A method for charging a battery set of an autonomous vehicle including: determining charging requirements of the battery set of the autonomous vehicle via a communication from the autonomous vehicle to a charging station, in response to the communication from the autonomous vehicle, connecting a plurality of batteries of the charging station in a first combination to match the charging requirements of the battery set of the autonomous vehicle; and charging the battery set of the autonomous vehicle using the plurality of batteries of the charging station in the first combination.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60L 53/30 - Constructional details of charging stations
B60L 53/68 - Off-site monitoring or control, e.g. remote control
B60L 58/19 - Switching between serial connection and parallel connection of battery modules
Systems and methods for enhanced blazed array and/or phased array sonar systems are described herein. In one aspect, a sonar system includes a blazed sonar array and/or phased sonar array having: at least one transducer connected to a housing of a vehicle; a transmitter, in electrical communication with the at least one transducer, causing the transducer to emit at least one sonar signal, the sonar signal having a Doppler sharpening pulse length and the vehicle having a Doppler sharpening velocity; a receiver, in electrical communication with the at least one transducer, for receiving signals from at least one transducer, the received signals corresponding to acoustic signals captured by the at least one transducer; and a processor, in electrical communication with the transmitter and receiver, arranged to control the Doppler sharpening pulse length and generate a 3D image based on the received signals, Doppler sharpening pulse length, and Doppler sharpening velocity.
The application relates to bi-static or multi-static holographic navigation systems, including methods of localizing an emitter or receiver with high precision relative to the sea floor. The system and methods can be used with a fully active sonar or radar system using well synchronized transmitters and receivers. The system and methods can be used with a passive sonar or radar system localizing a transmitter or a receiver based on poorly timed received signals.
Systems and methods are disclosed herein for a pressure tolerant energy system. According to one aspect, an underwater vehicle may comprise one or more buoyancy elements, a pressure tolerant cavity, and an energy system enclosed in the pressure tolerant cavity configured to provide electrical power to the vehicle. The energy system may include one or more neutrally buoyant battery cells. In some aspects, the battery cells may have an average density that is about equal to the density of the fluid in which the vehicle is immersed. The vehicle may also comprise a pressure tolerant, programmable management circuit.
Systems and methods are described herein for a multi-level battery protection system. In some embodiments, a multi-level battery protection system can include multiple levels at the junction box level and multiple levels at the battery level. In some embodiments, at the junction box level, the multi-level battery protection system can include junction box fuses and a current limiting circuit. In some embodiments, at the battery level, the multi-level battery protection system can include battery fuses and a microprocessor circuit.
A mooring system including a plurality of connected floats and weights being positively buoyant on a water surface and being negatively buoyant at a depth below the water surface. The mooring system also includes a trigger mechanism arranged to reduce the buoyancy of a portion of the connected floats and weights from a being positively buoyant to negatively buoyant to cause the portion of the connected floats and weights to sink below the water surface where the trigger mechanism changes the buoyance of the portion of the connected floats and weights by either adding a weight to one end or separating the end from a buoyant element.
B63B 73/00 - Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
B64U 101/60 - UAVs specially adapted for particular uses or applications for transporting passengersUAVs specially adapted for particular uses or applications for transporting goods other than weapons
7.
System and methods for regulating charging rate based on environmental conditions
Systems and methods are described herein for regulating a charging rate of a battery module for an autonomous vehicle. In some aspects, the method comprises measuring a first battery cell temperature using a first temperature sensor located at a first battery cell of a plurality of batter cells in a battery module, determining whether the first battery cell temperature corresponds to a lowest temperature of the plurality of battery cells, determining a first charging rate corresponding to the first battery cell temperature, determining a first charging current and a first charging voltage corresponding to the first charging rate, and adjusting a charging current to the first charging current and a charging voltage to the first charging voltage for the battery module.
Systems, methods, and apparatuses are described herein for providing electrical power to a marine vehicle. In some aspects, a marine vehicle includes a power system arranged to receive and store electrical power delivered from a solar panel assembly. The power system may include one or more batteries. The vehicle also includes a processor arranged to determine an extension time and an retraction time for a solar panel assembly and a controller that, in response to instructions from the processor, is arranged to extend the solar panel assembly and retract the solar panel assembly. The solar panel assembly is arranged to be configured in at least one of an extended position and a retracted position. The solar panel assembly includes one or more solar panels where the solar panel assembly is in electrical communication with the power system.
Systems, methods, and apparatuses are described herein for providing electrical power to a marine vehicle. In some aspects, a marine vehicle includes a power system arranged to receive and store electrical power delivered from a solar panel assembly. The power system may include one or more batteries. The vehicle also includes a processor arranged to determine an extension time and an retraction time for a solar panel assembly and a controller that, in response to instructions from the processor, is arranged to extend the solar panel assembly and retract the solar panel assembly. The solar panel assembly is arranged to be configured in at least one of an extended position and a retracted position. The solar panel assembly includes one or more solar panels where the solar panel assembly is in electrical communication with the power system.
Systems, methods, and apparatuses are described herein for providing electrical power to a marine vehicle. In some aspects, a marine vehicle includes a power system arranged to receive and store electrical power delivered from a solar panel assembly. The power system may include one or more batteries. The vehicle also includes a processor arranged to determine an extension time and an retraction time for a solar panel assembly and a controller that, in response to instructions from the processor, is arranged to extend the solar panel assembly and retract the solar panel assembly. The solar panel assembly is arranged to be configured in at least one of an extended position and a retracted position. The solar panel assembly includes one or more solar panels where the solar panel assembly is in electrical communication with the power system.
The application relates to bi-static or multi-static holographic navigation systems, including methods of localizing an emitter or receiver with high precision relative to the sea floor. The system and methods can be used with a fully active sonar or radar system using well synchronized transmitters and receivers. The system and methods can be used with a passive sonar or radar system localizing a transmitter or a receiver based on poorly timed received signals.
Systems and methods are disclosed herein for a modular buoy deployment system including modules arranged to be assembled at a destination location and an aerial delivery apparatus arranged to deliver the buoy modules (202, 204, 206, 220) to the destination location. The modules are connectable to at least one other module and form a buoy (101) when assembled. The module buoy deployment system also optionally includes a platform (104) arranged to receive one or more aerial delivery apparatuses. Each module conforms to a delivery criteria of the aerial delivery apparatus. The module buoy deployment system also optionally includes a power system arranged to recharge the aerial delivery apparatus.
F03B 13/18 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member and another member wherein the other member is fixed, at least at one point, with respect to the sea bed or shore
Systems and methods are disclosed herein for a modular buoy deployment system including modules arranged to be assembled at a destination location and an aerial delivery apparatus arranged to deliver the buoy modules (202, 204, 206, 220) to the destination location. The modules are connectable to at least one other module and form a buoy (101) when assembled. The module buoy deployment system also optionally includes a platform (104) arranged to receive one or more aerial delivery apparatuses. Each module conforms to a delivery criteria of the aerial delivery apparatus. The module buoy deployment system also optionally includes a power system arranged to recharge the aerial delivery apparatus.
F03B 13/18 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member and another member wherein the other member is fixed, at least at one point, with respect to the sea bed or shore
Systems and methods are disclosed herein for a modular buoy deployment system including modules arranged to be assembled at a destination location and an aerial delivery apparatus arranged to deliver the buoy modules (202, 204, 206, 220) to the destination location. The modules are connectable to at least one other module and form a buoy (101) when assembled. The module buoy deployment system also optionally includes a platform (104) arranged to receive one or more aerial delivery apparatuses. Each module conforms to a delivery criteria of the aerial delivery apparatus. The module buoy deployment system also optionally includes a power system arranged to recharge the aerial delivery apparatus.
Systems and methods are disclosed herein for a modular buoy deployment system including modules arranged to be assembled at a destination location and an aerial delivery apparatus arranged to deliver the buoy modules to the destination location. The modules are connectable to at least one other module and form a buoy when assembled. The module buoy deployment system also optionally includes a platform arranged to receive one or more aerial delivery apparatuses. Each module conforms to a delivery criteria of the aerial delivery apparatus. The module buoy deployment system also optionally includes a power system arranged to recharge the aerial delivery apparatus.
Systems and methods are disclosed herein for a charging system. The charging system may be implemented within an independent charging station or within an autonomous vehicle. Boolean charging can be used to obtain the desired charge or discharge voltage for charging an autonomous vehicle at a charging station. By combining multiple battery arrays together in series, where each battery array includes multiple battery cells, a voltage may be obtained which is equal to the sum. of the voltages across each battery array. This voltage may be used in turn to charge additional battery arrays. The process may be repeated until the desired amount of battery arrays has been charged and the desired voltage has been achieved.
Systems and methods are described herein for a dual-voltage power system. In some aspects, a dual-voltage power system can include a first battery module and a second battery module. In some aspects, the first battery module operates at a first voltage and the second batten' module operates at a second voltage. In some aspects, the first battery module delivers power to a plurality of primary systems. In some aspects, the second battery module delivers power to a plurality of parasitic systems.
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60L 15/00 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train
Systems and methods are disclosed herein for a charging system. The charging system may be implemented within an independent charging station or within an autonomous vehicle. Boolean charging can be used to obtain the desired charge or discharge voltage for charging an autonomous vehicle at a charging station. By combining a subset of a sequence of batteries arrays that differ in voltage by powers of two in series, where each battery array may include multiple batteries or battery cells, a voltage may be obtained which is equal to the sum of the voltages across each battery array. This voltage may be used in turn to charge additional batteries or battery arrays. The process may be repeated until the desired amount of battery arrays has been charged and the desired voltage has been achieved.
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
B60L 53/68 - Off-site monitoring or control, e.g. remote control
B60L 53/30 - Constructional details of charging stations
Systems and methods are described herein for a dual-voltage power system. In some aspects, a dual-voltage power system can include a first battery module and a second battery module. In some aspects, the first battery module operates at a first voltage and the second battery module operates at a second voltage. In some aspects, the first battery module delivers power to a plurality of primary systems. In some aspects, the second battery module delivers power to a plurality of parasitic systems.
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
B60L 53/00 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles
20.
SYSTEMS AND METHODS FOR CONFIGURABLE BATTERY CHARGING
Systems and methods are disclosed herein for a charging system. The charging system may be implemented within an independent charging station or within an autonomous vehicle. Boolean charging can be used to obtain the desired charge or discharge voltage for charging an autonomous vehicle at a charging station. By combining multiple battery arrays together in series, where each battery array includes multiple battery cells, a voltage may be obtained which is equal to the sum. of the voltages across each battery array. This voltage may be used in turn to charge additional battery arrays. The process may be repeated until the desired amount of battery arrays has been charged and the desired voltage has been achieved.
Systems and methods are disclosed herein for a sensory compensation device including a position and orientation sensor arranged to generate position and orientation data based on one or more of detected velocity', angular rate, gravity, motion, position and orientation associated with the device. The device also optionally includes an optical sensor arranged to capture real-time images and generate real-time image data of an area adjacent to the device. The device includes a processor arranged to: i) optionally receive the real-time image data, ii) receive the position and orientation data and iii) generate compensated image data based on the real-time image data and the position and orientation data. Furthermore, the device includes a display arranged to display compensated images derived from the compensated image data where a portion of the compensated images includes the captured real-time images, if captured, with adjusted positions and orientations in relation to the captured real-time images.
A61M 21/02 - Other devices or methods to cause a change in the state of consciousnessDevices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis for inducing sleep or relaxation, e.g. by direct nerve stimulation, hypnosis, analgesia
A61B 19/00 - Instruments, implements or accessories for surgery or diagnosis not covered by any of the groups A61B 1/00-A61B 18/00, e.g. for stereotaxis, sterile operation, luxation treatment, wound edge protectors(protective face masks A41D 13/11; surgeons' or patients' gowns or dresses A41D 13/12; devices for carrying-off, for treatment of, or for carrying-over, body liquids A61M 1/00)
Systems and methods are disclosed herein for a sensory compensation device including a position and orientation sensor arranged to generate position and orientation data based on one or more of detected velocity', angular rate, gravity, motion, position and orientation associated with the device. The device also optionally includes an optical sensor arranged to capture real-time images and generate real-time image data of an area adjacent to the device. The device includes a processor arranged to: i) optionally receive the real-time image data, ii) receive the position and orientation data and iii) generate compensated image data based on the real-time image data and the position and orientation data. Furthermore, the device includes a display arranged to display compensated images derived from the compensated image data where a portion of the compensated images includes the captured real-time images, if captured, with adjusted positions and orientations in relation to the captured real-time images.
G09G 5/36 - Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of individual graphic patterns using a bit-mapped memory
A61M 21/00 - Other devices or methods to cause a change in the state of consciousnessDevices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
A pressure tolerant energy system may comprise a pressure tolerant cavity and an energy system enclosed in the pressure tolerant cavity configured to provide electrical power to the vehicle. The energy system may include one or more battery cells and a pressure tolerant, programmable management circuit. The pressure tolerant cavity may be filled with an electrically-inert liquid, such as mineral oil. In some embodiments, the electrically-inert liquid may be kept at a positive pressure relative to a pressure external to the pressure tolerant cavity. The energy system may further comprise a pressure venting system configured to maintain the pressure inside the pressure tolerant cavity within a range of pressures. The pressure tolerant cavity may be sealed to prevent water ingress.
H01M 14/00 - Electrochemical current or voltage generators not provided for in groups Manufacture thereof
B63B 35/40 - Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels
B22D 31/00 - Cutting-off surplus material after casting, e.g. gates
F17C 1/00 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
B63B 27/16 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
B63B 27/36 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for floating cargo
G01S 7/52 - Details of systems according to groups , , of systems according to group
G01S 15/10 - Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
G01S 15/60 - Velocity or trajectory determination systemsSense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
Systems and methods are disclosed herein for a sensory compensation device including a position and orientation sensor arranged to generate position and orientation data based on one or more of detected velocity, angular rate, gravity, motion, position and orientation associated with the device. The device also optionally includes an optical sensor arranged to capture real-time images and generate real-time image data of an area adjacent to the device. The device includes a processor arranged to: i) optionally receive the real-time image data, ii) receive the position and orientation data and iii) generate compensated image data based on the real-time image data and the position and orientation data. Furthermore, the device includes a display arranged to display compensated images derived from the compensated image data where a portion of the compensated images includes the captured real-time images, if captured, with adjusted positions and orientations in relation to the captured real-time images.
G06T 3/60 - Rotation of whole images or parts thereof
G09G 5/00 - Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
G06F 3/0346 - Pointing devices displaced or positioned by the userAccessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
G06T 11/60 - Editing figures and textCombining figures or text
G06F 3/147 - Digital output to display device using display panels
A61M 21/00 - Other devices or methods to cause a change in the state of consciousnessDevices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
25.
SYSTEMS AND METHODS FOR REDUCING PARASITIC POWER LOSSES BY AN ENERGY SOURCE
Systems and methods are described herein for a dual-voltage power system. In some aspects, a dual-voltage power system can include a first battery module and a second battery module. In some aspects, the first battery module operates at a first voltage and the second batten' module operates at a second voltage. In some aspects, the first battery module delivers power to a plurality of primary systems. In some aspects, the second battery module delivers power to a plurality of parasitic systems.
B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
B60L 11/00 - Electric propulsion with power supplied within the vehicle (B60L 8/00, B60L 13/00 take precedence;arrangements or mounting of prime-movers consisting of electric motors and internal combustion engines for mutual or common propulsion B60K 6/20)
26.
Systems and methods for transmitting data from an underwater station
The systems and methods described herein include releasable storage devices that can surface with data. The devices include data storage, an antenna, battery and means to propel the device to the surface or into the atmosphere. In certain embodiments, it is a USB memory stick, a battery, suitable buoyancy, and an antenna. In certain embodiments, the systems and methods described herein include a rocket to boost the system out of the water to a higher altitude. Once the system is airborne, it can transmit data to a ship or satellite via radio communications, via other line of site methods such as optical, or may be captured by an aircraft such as a UAV.
Systems and methods are disclosed herein for a pressure tolerant energy system. The pressure tolerant energy system may comprise a pressure tolerant cavity and an energy system enclosed in the pressure tolerant cavity configured to provide electrical power to the vehicle. The energy system may include one or more battery cells and a pressure tolerant, programmable management circuit. The pressure tolerant cavity may be filled with an electrically-inert liquid, such as mineral oil. In some embodiments, the electrically-inert liquid may be kept at a positive pressure relative to a pressure external to the pressure tolerant cavity. The energy system may further comprise a pressure venting system configured to maintain the pressure inside the pressure tolerant cavity within a range of pressures. The pressure tolerant cavity may be sealed to prevent water ingress.
H01M 14/00 - Electrochemical current or voltage generators not provided for in groups Manufacture thereof
B63B 35/40 - Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels
B22D 31/00 - Cutting-off surplus material after casting, e.g. gates
F17C 1/00 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
B63B 27/16 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
B63B 27/36 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for floating cargo
G01S 7/52 - Details of systems according to groups , , of systems according to group
G01S 15/10 - Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
G01S 15/60 - Velocity or trajectory determination systemsSense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
G01S 15/02 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
G01S 15/58 - Velocity or trajectory determination systemsSense-of-movement determination systems
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
28.
Systems and methods for bi-static or multi-static holographic navigation
The application relates to bi-static or multi-static holographic navigation systems, including methods of localizing an emitter or receiver with high precision relative to the sea floor. The system and methods can be used with a fully active sonar or radar system using well synchronized transmitters and receivers. The system and methods can be used with a passive sonar or radar system localizing a transmitter or a receiver based on poorly timed received signals.
Systems and methods are described herein for launching, recovering, and handling a large number of vehicles on a ship to enable lower cost ocean survey. In one aspect, the system may include a shipping container based system with an oil services vessel. The vessel may include rolling systems through end to end shipping containers. One or more columns of containers may be accessed using a crane, an A-frame, or any other suitable transportation system. The system may enable the ability to launch or recover more than one vehicle using the launch and recovery system (e.g., AUVs, buoys, seaplanes, autonomous surface vessels, etc.). In one configuration, the system includes a stacking/elevator system to place the vehicles onto a second or higher layer of containers. The system may allow for modularized deployment of the vehicles, launch and recovery system, operation center, and more from self-contained shipping containers.
B63B 35/40 - Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels
B22D 31/00 - Cutting-off surplus material after casting, e.g. gates
F17C 1/00 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
B63B 27/16 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
B63B 27/36 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for floating cargo
G01S 7/52 - Details of systems according to groups , , of systems according to group
G01S 15/10 - Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
G01S 15/60 - Velocity or trajectory determination systemsSense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
G01S 15/02 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
G01S 15/58 - Velocity or trajectory determination systemsSense-of-movement determination systems
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
30.
Systems and methods for navigating autonomous underwater vehicles
Systems and methods are described herein for a variable-depth sonar. A null in the frequency response between a first and second operating frequency band is identified. A center operating frequency for each of the first and the second operating band is adjusted based on the ambient pressure. Furthermore, the velocity state of a vehicle may be calculated using periodic velocity updates. At least one transducer transmits a first signal in a first direction, and a Doppler sensor receives an echo of the first signal. The vehicle is turned in a second direction, and the at least one transducer transmits a second signal in the second direction. Using the first and the second velocity measurement, a vehicle velocity state is calculated.
G01S 15/00 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
B63B 35/40 - Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels
B22D 31/00 - Cutting-off surplus material after casting, e.g. gates
F17C 1/00 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
B63B 27/16 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
B63B 27/36 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for floating cargo
G01S 7/52 - Details of systems according to groups , , of systems according to group
G01S 15/10 - Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
G01S 15/60 - Velocity or trajectory determination systemsSense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
G01S 15/02 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
G01S 15/58 - Velocity or trajectory determination systemsSense-of-movement determination systems
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
31.
SYSTEMS AND METHODS FOR IMPROVING BUOYANCY IN UNDERWATER VEHICLES
Systems and methods for adding buoyancy to an object are described herein. A buoyant material may be enclosed inside a flexible container, heated, and inserted into a free flooded cavity inside the object. The fiexible container may then be formed to the shape of the cavity. After the flexible container is formed to the shape of the cavity, the flexible container may be cooled. The flexible container may hold a pre-determined amount of the syntactic material that provides a fixed amount of buoyancy. According to another aspect, systems and methods for packing a vehicle are described herein. In some embodiments, a buoyant material may be molded into the shape of a hull of a vehicle, and a plurality of cutouts may be extracted from the buoyant material which are specifically designed to incorporate one or more instruments.
Systems and methods are described herein for launching, recovering, and handling a large number of vehicles on a ship to enable lower cost ocean survey. In one aspect, the system may include a shipping container based system with an oil services vessel. The vessel may include rolling systems (308) through end to end shipping containers (304, 306, 310). One or more columns of containers may be accessed using a crane, an A-frame, or any other suitable transportation system. The system may enable the ability to launch or recover more than one vehicle using the launch and recovery system (e.g., AUVs, buoys, seaplanes, autonomous surface vessels, etc.). In one configuration, the system includes a stacking/elevator system to place the vehicles onto a second or higher layer of containers. The system may allow for modularized deployment of the vehicles, launch and recovery system, operation center, and more from self-contained shipping containers.
Systems and methods are disclosed herein for a pressure tolerant energy system. The pressure tolerant energy system may comprise a pressure tolerant cavity and an energy system enclosed in the pressure tolerant cavity configured to provide electrical power to the vehicle. The energy system may include one or more battery cells and a pressure tolerant, programmable management circuit. The pressure tolerant cavity may be filled with an electrically-inert liquid, such as mineral oil. In some embodiments, the electrically-inert liquid may be kept at a positive pressure relative to a pressure external to the pressure tolerant cavity. The energy system may further comprise a pressure venting system configured to maintain the pressure inside the pressure tolerant cavity within a range of pressures. The pressure tolerant cavity may be sealed to prevent water ingress.
Systems and methods for a robust underwater vehicle are described herein. A robust underwater vehicle may include a force-limiting coupler connecting an actuation system to an actuation fin. The force-limiting coupler may be configured to break away from the actuation system upon receiving a threshold force. The robust underwater vehicle may also comprise hull sections connected by a threaded turnbuckle. Carbon-fiber axial strength members may mate with the threaded turnbuckle to pull the hull sections together to a specified preload tension. The robust underwater vehicle may also include a blazed sonar array protected by a carbon fiber bow including a plurality of slits. The plurality of slits may provide significant protection to the sonar array while simultaneously allowing one or more transducers to transmit sonar signals in a two-dimensional plane.
G01S 7/52 - Details of systems according to groups , , of systems according to group
G01S 15/10 - Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
G01S 15/60 - Velocity or trajectory determination systemsSense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
G10K 11/00 - Methods or devices for transmitting, conducting or directing sound in generalMethods or devices for protecting against, or for damping, noise or other acoustic waves in general
35.
SYSTEMS AND METHODS FOR NAVIGATING AUTONOMOUS UNDERWATER VEHICLES
Systems and methods are described herein for a variable-depth sonar. A null in the frequency response between a first and second operating frequency band is identified. A center operating frequency for each of the first and the second operating band is adjusted based on the ambient pressure. Furthermore, the velocity state of a vehicle may be calculated using periodic velocity updates. At least one transducer transmits a first signal in a first direction, and a Doppler sensor receives an echo of the first signal. The vehicle is turned in a second direction, and the at least one transducer transmits a second signal in the second direction. Using the first and the second velocity measurement, a vehicle velocity state is calculated.
B22D 31/00 - Cutting-off surplus material after casting, e.g. gates
B29C 44/34 - Component parts, details or accessoriesAuxiliary operations
B63B 3/13 - Hulls built to withstand hydrostatic pressure when fully submerged, e.g. submarine hulls
B63B 27/16 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
B63B 27/36 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for floating cargo
B63G 8/39 - Arrangements of sonic watch equipment, e.g. low-frequency, sonar
F17C 1/00 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
G01C 21/00 - NavigationNavigational instruments not provided for in groups
G01C 21/16 - NavigationNavigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigatedDead reckoning by integrating acceleration or speed, i.e. inertial navigation
G01S 7/52 - Details of systems according to groups , , of systems according to group
G01S 15/02 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
G01S 15/10 - Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
G01S 15/60 - Velocity or trajectory determination systemsSense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
36.
SYSTEMS AND METHODS FOR PRESSURE TOLERANT ENERGY SYSTEMS
87888614 ABSTRACT Systems and methods are disclosed herein for a pressure tolerant energy system. The pressure tolerant energy system may comprise a pressure tolerant cavity and an energy system enclosed in the pressure tolerant cavity configured to provide electrical power to the vehicle. The energy system may include one or more battery cells and a pressure tolerant, programmable management circuit. The pressure tolerant cavity may be filled with an electrically-inert liquid, such as mineral oil. In some embodiments, the electrically-inert liquid may be kept at a positive pressure relative to a pressure external to the pressure tolerant cavity. The energy system may further comprise a pressure venting system configured to maintain the pressure inside the pressure tolerant cavity within a range of pressures. The pressure tolerant cavity may be sealed to prevent water ingress. Date Recue/Date Received 2021-02-10
88032103 ABSTRACT Systems and methods are described herein for a variable-depth sonar. A null in the frequency response between a first and second operating frequency band is identified. A center operating frequency for each of the first and the second operating band is adjusted .. based on the ambient pressure. Furthermore, the velocity state of a vehicle may be calculated using periodic velocity updates. At least one transducer transmits a first signal in a first direction, and a Doppler sensor receives an echo of the first signal. The vehicle is turned in a second direction, and the at least one transducer transmits a second signal in the second direction. Using the first and the second velocity measurement, a vehicle velocity state is calculated. Date Recue/Date Received 2021-03-01
Systems and methods for a robust underwater vehicle are described herein. A robust underwater vehicle may include a force-limiting coupler connecting an actuation system to an actuation fin. The force-limiting coupler may be configured to break away from the actuation system upon receiving a threshold force. The robust underwater vehicle may also comprise hull sections connected by a threaded turnbuckle. Carbon-fiber axial strength members may mate with the threaded turnbuckle to pull the hull sections together to a specified preload tension. The robust underwater vehicle may also include a blazed sonar array protected by a carbon fiber bow including a plurality of slits. The plurality of slits may provide significant protection to the sonar array while simultaneously allowing one or more transducers to transmit sonar signals in a two- dimensional plane.
Systems and methods for adding buoyancy to an object are described herein. A buoyant material may be enclosed inside a flexible container, heated, and inserted into a free flooded cavity inside the object. The flexible container may then be formed to the shape of the cavity. After the flexible container is formed to the shape of the cavity, the flexible container may be cooled. The flexible container may hold a pre-determined amount of the syntactic material that provides a fixed amount of buoyancy. According to another aspect, systems and methods for packing a vehicle are described herein. In some embodiments, a buoyant material may be molded into the shape of a hull of a vehicle, and a plurality of cutouts may be extracted from the buoyant material which are specifically designed to incorporate one or more instruments.
B63B 35/40 - Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels
B22D 31/00 - Cutting-off surplus material after casting, e.g. gates
F17C 1/00 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
B63B 27/16 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
B63B 27/36 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for floating cargo
G01S 7/52 - Details of systems according to groups , , of systems according to group
G01S 15/10 - Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
G01S 15/60 - Velocity or trajectory determination systemsSense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
G01S 15/02 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
G01S 15/58 - Velocity or trajectory determination systemsSense-of-movement determination systems
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
40.
Systems and methods for a robust underwater vehicle
Systems and methods for a robust underwater vehicle are described herein. A robust underwater vehicle may include a force-limiting coupler connecting an actuation system to an actuation fin. The force-limiting coupler may be configured to break away from the actuation system upon receiving a threshold force. The robust underwater vehicle may also comprise hull sections connected by a threaded turnbuckle. Carbon-fiber axial strength members may mate with the threaded turnbuckle to pull the hull sections together to a specified preload tension. The robust underwater vehicle may also include a blazed sonar array protected by a carbon fiber bow including a plurality of slits. The plurality of slits may provide significant protection to the sonar array while simultaneously allowing one or more transducers to transmit sonar signals in a two-dimensional plane.
B63B 35/40 - Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels
B22D 31/00 - Cutting-off surplus material after casting, e.g. gates
F17C 1/00 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
B29C 44/34 - Component parts, details or accessoriesAuxiliary operations
B63B 3/13 - Hulls built to withstand hydrostatic pressure when fully submerged, e.g. submarine hulls
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
B63B 27/16 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
B63B 27/36 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for floating cargo
G01S 7/52 - Details of systems according to groups , , of systems according to group
G01S 15/10 - Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
G01S 15/60 - Velocity or trajectory determination systemsSense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
G01S 15/02 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
G01S 15/58 - Velocity or trajectory determination systemsSense-of-movement determination systems
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
41.
SYSTEMS AND METHODS FOR DEPLOYING AUTONOMOUS UNDERWATER VEHICLES FROM A SHIP
Systems and methods are described herein for launching, recovering, and handling a large number of vehicles on a ship to enable lower cost ocean survey. In one aspect, the system may include a shipping container based system with an oil services vessel. The vessel may include rolling systems (308) through end to end shipping containers (304, 306, 310). One or more columns of containers may be accessed using a crane, an A-frame, or any other suitable transportation system. The system may enable the ability to launch or recover more than one vehicle using the launch and recovery system (e.g., AUVs, buoys, seaplanes, autonomous surface vessels, etc.). In one configuration, the system includes a stacking/elevator system to place the vehicles onto a second or higher layer of containers. The system may allow for modularized deployment of the vehicles, launch and recovery system, operation center, and more from self-contained shipping containers.
Systems and methods for a robust underwater vehicle are described herein. A robust underwater vehicle may include a force-limiting coupler connecting an actuation system to an actuation fin. The force-limiting coupler may be configured to break away from the actuation system upon receiving a threshold force. The robust underwater vehicle may also comprise hull sections connected by a threaded turnbuckle. Carbon-fiber axial strength members may mate with the threaded turnbuckle to pull the hull sections together to a specified preload tension. The robust underwater vehicle may also include a blazed sonar array protected by a carbon fiber bow including a plurality of slits. The plurality of slits may provide significant protection to the sonar array while simultaneously allowing one or more transducers to transmit sonar signals in a two-dimensional plane.
G10K 11/00 - Methods or devices for transmitting, conducting or directing sound in generalMethods or devices for protecting against, or for damping, noise or other acoustic waves in general
G01S 15/10 - Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
G01S 15/60 - Velocity or trajectory determination systemsSense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
B22D 31/00 - Cutting-off surplus material after casting, e.g. gates
B29C 44/34 - Component parts, details or accessoriesAuxiliary operations
B63B 27/16 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
B63B 27/36 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for floating cargo
F17C 1/00 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
G01S 7/52 - Details of systems according to groups , , of systems according to group
43.
SYSTEMS AND METHODS FOR IMPROVING BUOYANCY UNDERWATER VEHICLES
Systems and methods for adding buoyancy to an object are described herein. A buoyant material may be enclosed inside a flexible container, heated, and inserted into a free flooded cavity inside the object. The fiexible container may then be formed to the shape of the cavity. After the flexible container is formed to the shape of the cavity, the flexible container may be cooled. The flexible container may hold a pre-determined amount of the syntactic material that provides a fixed amount of buoyancy. According to another aspect, systems and methods for packing a vehicle are described herein. In some embodiments, a buoyant material may be molded into the shape of a hull of a vehicle, and a plurality of cutouts may be extracted from the buoyant material which are specifically designed to incorporate one or more instruments.
Systems and methods are described herein for manufacturing a pressure vessel component. The pressure vessel component may be made from a metal that is cast to produce a gross pressure vessel component. Casting the metal may comprise sintering the metal followed by a hot isostatic press (HIP) process. In other embodiments, casting the metal may comprise pouring molten metal into a mold. Portions of the gross pressure vessel component may have an increased thickness located at predetermined positions on the gross pressure vessel component. These portions may include bosses or other designed features intended for the finalized pressure vessel component. The gross pressure vessel may be indexed to select the portions, and these selected portions may then be machined to produce the final pressure vessel component.
An underwater vehicle including a first hull section having a first axial strength member, where the first hull section is aligned adjacent to the first axial strength member. The underwater vehicle also includes a second hull section having a second axial strength member, where the second hull section is aligned adjacent to the second axial strength member. The underwater vehicle further includes a threaded turnbuckle that is configured to mate with the first and the second axial strength members. The threaded turnbuckle includes pins that enable the turnbuckle to be separated from the first axial strength member and the second axial strength member without being completely unscrewed from the first and the second axial strength members.
Systems and methods are disclosed herein for a pressure tolerant energy system. The pressure tolerant energy system may comprise a pressure tolerant cavity and an energy system enclosed in the pressure tolerant cavity configured to provide electrical power to the vehicle. The energy system may include one or more battery cells and a pressure tolerant, programmable management circuit. The pressure tolerant cavity may be filled with an electrically-inert liquid, such as mineral oil. In some embodiments, the electrically-inert liquid may be kept at a positive pressure relative to a pressure external to the pressure tolerant cavity. The energy system may further comprise a pressure venting system configured to maintain the pressure inside the pressure tolerant cavity within a range of pressures. The pressure tolerant cavity may be sealed to prevent water ingress.
H01M 14/00 - Electrochemical current or voltage generators not provided for in groups Manufacture thereof
B63B 35/40 - Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels
B22D 31/00 - Cutting-off surplus material after casting, e.g. gates
F17C 1/00 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
B63B 27/16 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
B63B 27/36 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for floating cargo
G01S 7/52 - Details of systems according to groups , , of systems according to group
G01S 15/10 - Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
G01S 15/60 - Velocity or trajectory determination systemsSense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
G01S 15/02 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
G01S 15/58 - Velocity or trajectory determination systemsSense-of-movement determination systems
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
47.
SYSTEMS AND METHODS FOR PRESSURE TOLERANT ENERGY SYSTEMS
Systems and methods are disclosed herein for a pressure tolerant energy system. The pressure tolerant energy system may comprise a pressure tolerant cavity and an energy system enclosed in the pressure tolerant cavity configured to provide electrical power to the vehicle. The energy system may include one or more battery cells and a pressure tolerant, programmable management circuit. The pressure tolerant cavity may be filled with an electrically-inert liquid, such as mineral oil. In some embodiments, the electrically-inert liquid may be kept at a positive pressure relative to a pressure external to the pressure tolerant cavity. The energy system may further comprise a pressure venting system configured to maintain the pressure inside the pressure tolerant cavity within a range of pressures. The pressure tolerant cavity may be sealed to prevent water ingress.
Systems and methods are described herein for a variable-depth sonar. A null in the frequency response between a first and second operating frequency band is identified. A center operating frequency for each of the first and the second operating band is adjusted based on the ambient pressure. Furthermore, the velocity state of a vehicle may be calculated using periodic velocity updates. At least one transducer transmits a first signal in a first direction, and a Doppler sensor receives an echo of the first signal. The vehicle is turned in a second direction, and the at least one transducer transmits a second signal in the second direction. Using the first and the second velocity measurement, a vehicle velocity state is calculated.
G01S 7/52 - Details of systems according to groups , , of systems according to group
G01S 15/10 - Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
G01C 21/00 - NavigationNavigational instruments not provided for in groups
G01C 21/16 - NavigationNavigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigatedDead reckoning by integrating acceleration or speed, i.e. inertial navigation
G01S 15/60 - Velocity or trajectory determination systemsSense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
B63B 27/16 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
B63B 27/36 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for floating cargo
B22D 31/00 - Cutting-off surplus material after casting, e.g. gates
B29C 44/34 - Component parts, details or accessoriesAuxiliary operations
B63B 3/13 - Hulls built to withstand hydrostatic pressure when fully submerged, e.g. submarine hulls
B63G 8/39 - Arrangements of sonic watch equipment, e.g. low-frequency, sonar
F17C 1/00 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
G01S 15/02 - Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
42 - Scientific, technological and industrial services, research and design
Goods & Services
Sonar equipment and parts and components therefor; software used to image and map the ocean floor. Autonomous underwater vehicles and parts, components and equipment therefor. Cartography and mapping services.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Sonar equipment and parts and components therefor; software used to image and map the ocean floor.
(2) Autonomous underwater vehicles and parts and components therefor; equipment for autonomous underwater vehicles, namely, launch systems, namely, devices used to deploy autonomous underwater vehicles into water, and recovery systems, namely, devices used to recover autonomous underwater vehicles from water. (1) Cartography and mapping services.
51.
Systems and methods for atmospheric modeling based on GPS measurement
Systems and methods described herein include improved data gathering, climate modeling and weather forecasting techniques. In particular, the systems include using Global Positioning System (GPS) measurements obtained from a network of GPS devices for simultaneously determining atmospheric parameters such as water vapor content, temperature and pressure, and correcting for errors in the GPS measurements, themselves. The systems and methods described herein include a central processor for receiving data from a plurality of GPS devices and updating a computerized climate or weather forecasting model. Advantageously, by using data from a plurality, and in some embodiments a very large number of GPS devices, the systems and methods described herein may solve for both propagation velocity of electromagnetic signals through the atmosphere (used for calculating atmospheric parameters useful in climate modeling) and GPS position error values (used for error correction at each GPS device).
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Sonar equipment and parts and components therefor; software used to image and map the ocean floor; parts and components for unmanned underwater vehicles, namely, batteries and electric actuators; sonars; hard drives for computers featuring operating systems that can be used underwater Autonomous underwater vehicles, namely, unmanned underwater vehicles; parts and components for unmanned underwater vehicles, namely, hulls, propellers, fins, pressure vessels, and buoyancy foam being a structural part of the underwater vehicles; equipment for unmanned underwater vehicles, namely, launch and recovery systems primarily comprised of platforms with a sliding pivoting sled used to launch underwater vehicles into the water from the deck of a ship and retrieve underwater vehicles from the water onto the deck of a ship
53.
Systems and methods for transmitting data from an underwater station
The systems and methods described herein include releasable storage devices that can surface with data. The devices include data storage, an antenna, battery and means to propel the device to the surface or into the atmosphere. In certain embodiments, it is a USB memory stick, a battery, suitable buoyancy, and an antenna. In certain embodiments, the systems and methods described herein include a rocket to boost the system out of the water to a higher altitude. Once the system is airborne, it can transmit data to a ship or satellite via radio communications, via other line of site methods such as optical, or may be captured by an aircraft such as a UAV.
The systems and methods described herein relate to systems and methods for synthetic aperture sonar (SAS) or radar including seismic surveying. The systems may include a first number of a plurality of acoustic transmitter elements mounted on one or more vehicles, and a second number of a plurality of acoustic receiver elements mounted on one or more vehicles. Each of the vehicles may include a processor having a synthetic aperture image of a portion of the underwater terrain. The synthetic aperture image may include acoustic data obtained from prior synthetic aperture sonar imaging of the underwater terrain. The plurality of vehicles are arranged to form a planar synthetic aperture sonar array having a third number of phase centers. The third number of phase centers is equal to the first number multiplied by the second number. The transmitters in such systems may be configured to generate orthogonal acoustic signals.
The systems and methods described herein relate to systems and methods for synthetic aperture sonar (SAS) or radar including a pressure compensated fuse for a sensor, holographic navigation, the use of orthogonal signals with SAS, overpinging with multiple SAS transmitters, simultaneous localization and mapping (SLAM) for holographic navigation, high-coverage SAS using orthogonal signals, bistatic gapfilling, and high-frequency holographic navigation using, e.g., grazing angle compensations.
A system for surveying an underwater terrain includes a first number of acoustic transmitter elements mounted on one or more first vehicles and a second number of acoustic receiver elements mounted on one or more second vehicles. Each of the first and second vehicles includes a processor having a synthetic aperture image of a portion of the underwater terrain where the synthetic aperture image includes acoustic data obtained from prior synthetic aperture sonar imaging of the portion of the underwater terrain. The first and second vehicles are arranged to form a planar synthetic aperture sonar array having a third number of phase centers that is equal to the first number multiplied by the second number.
Systems and methods for generating a synthetic aperture sonar image include providing a synthetic aperture sonar (SAS) array having at least one transmitter element and multiple receiver elements arranged along an axis where each transmitter element generates a set of signals having multiple orthogonal acoustic signals. The systems and methods include: calculating effective spacing of the SAS array, representing an effective distance between the transmitter element and the receiver elements during motion; simultaneously moving the SAS array along the axis and generating a first acoustic signal from the set of signals; calculating a threshold distance as the effective spacing divided by the number of acoustic signals in the set of signals; and, in response to determining that the SAS array has moved the threshold distance, generating a second acoustic signal from the set of signals, wherein the second acoustic signal is orthogonal to the first acoustic signal.
An underwater relative orientation system includes a first blazed array with elements arranged in a first direction and a second blazed array with elements arranged in a second direction such that the second direction is substantially orthogonal to the first direction. The first blazed array and second blazed array each emit sonic outputs for receipt by an underwater vehicle, where the underwater vehicle can change position relative to the first blazed array and second blazed array and orient itself relative to the underwater relative orientation system.
G01S 5/18 - Position-fixing by co-ordinating two or more direction or position-line determinationsPosition-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
B63G 8/39 - Arrangements of sonic watch equipment, e.g. low-frequency, sonar
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
A high frequency sonar system includes a phase error corrector configured to: receive and estimate a range varying phase error of a sonar image and determine that a variation in the range varying phase error is greater than a first error threshold. The phase error corrector is also configured to, in response to determining that the variation in the range varying phase error is greater than the first error threshold: split the sonar image into multiple sub-regions; estimate, for each sub-region, a respective range varying phase error; and determine, for a sub-region, that a variation in the range varying phase error across a respective sub-region is less than a second error threshold. The phase error corrector is further configured to, in response to determining that the variation across the respective sub-region is less than the second error threshold, correct the sub- region to reduce the variation across the respective sub-region.
A system and method of generating a synthetic aperture sonar (SAS) signal includes: providing a sonar array having a receiver array comprising a plurality of receiver elements arranged along a first axis, and including a first end and a second end, a first transmitter element, and a second transmitter element, where the first transmitter element, the second transmitter element and the plurality of receiver elements each have a first width; generating, using the second transmitter element, a first acoustic signal at a first position and moving the sonar array to a second position along the first axis in a direction, where the second position is at a distance of one-half the first width from the first position and; generating, using the first transmitter element, a second acoustic signal at the second position, where the second acoustic signal is orthogonal to the first acoustic signal.
The systems and methods described herein relate to systems and methods for synthetic aperture sonar (SAS) or radar including a pressure compensated fuse for a sensor, holographic navigation, the use of orthogonal signals with SAS, overpinging with multiple SAS transmitters, simultaneous localization and mapping (SLAM) for holographic navigation, high-coverage SAS using orthogonal signals, bistatic gapfilling, and high-frequency holographic navigation using, e.g., grazing angle compensations.
The systems and methods described herein relate to systems and methods for synthetic aperture sonar (SAS) or radar including the use of orthogonal signals with SAS.
The systems and methods described herein relate to systems and methods for synthetic aperture sonar (SAS) or radar including overpinging with multiple SAS transmitters.
The systems and methods described herein relate to systems and methods for synthetic aperture sonar (SAS) or radar including high-frequency holographic navigation.
The systems and methods described herein relate to systems and methods for synthetic aperture sonar (SAS) having multiple transmitters and generating orthogonal pinging sequences configured to enhance performance.
The systems and methods described herein relate to systems and methods for synthetic aperture sonar (SAS) or radar including simultaneous localization and mapping (SLAM) for holographic navigation.
