Systems, devices, and methods including a processor having addressable memory, the processor configured to: determine coordinates of one or more equipment groups; determine coordinates of one or more flight lines about the determined coordinates of the one or more equipment groups; generate one or more waypoints along the determined coordinates of the one or more flight lines; and generate a flight path along the generated one or more waypoints.
Systems, devices, and methods for receiving, by a ground control station (GCS) having a processor with addressable memory, a plurality of point source gas concentration measurements; receiving, by the GCS, a meteorological data corresponding to each point source concentration gas measurement; determining, by the GCS, if each point source gas concentration measurement is an elevated ambient gas concentration; generating, by the GCS, a back trajectory for each elevated ambient gas concentration; storing, by the GCS, the position of each generated back trajectory in a grid; determining, by the GCS, a probability of a gas source location corresponding to the stored positions in the grid; and generating, by the GCS, an overlay showing the probability of the gas source location.
Systems, devices, and methods including: modelling digital twin representations of one or more potential emission sources located in a physical domain, in a simulation domain corresponding to the physical domain (3202); collecting physical data by measuring one or more physical emission signals in the physical domain and digital twin data by measuring one or more digital twin emission signals in the simulation domain, using a sensor trajectory path (3204); and estimating the location of a true emission source in the physical domain by rapid simultaneous optimization and behavior matching (3206); where the rapid simultaneous optimization comprises machine learning and artificial intelligence automatic differentiation via forward atmospheric model simulations involving sparse tensors (3208).
Systems, devices, and methods including an aerial vehicle having a global positioning system (GPS) and at least one trace-gas sensor configured to generate gas data; and a processor having addressable memory, the processor configured to: determine a flight envelope based on a received spatial location, a received spatial location of the one or more potential gas sources, a received desired level of confidence, and a received wind data; determine a flight path for the aerial vehicle, where the flight path covers a portion of the determined flight envelope; and determine based on a received gas data whether a gas leak is present in the received spatial location to the received desired level of confidence.
Systems, devices, and methods for a laser assembly including a first mirror defining at least one groove extending radially outwardly from a first center hole towards an outer edge of the first mirror and a second mirror having at least one slot extending radially outwardly from a second center hole towards an outer edge of the second mirror; a center rod having a first end portion configured to support the first mirror and defining at least one first keyway; a first mount configured to engage the first mirror and the first end portion; where the first mount has at least one key adapted to engage at least one first keyway and a second mount has at least one protrusion adapted to engage with at least one second keyway.
Systems, devices, and methods for scanning a laser into wings of an absorption feature; fitting a polynomial to the edges of the scan; dividing a transmitted signal by a fit-derived baseline to compute a transmission of the light; fitting a spectral model with the transmitted signal; and solving for a mole fraction.
G01M 3/20 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
7.
TUNABLE LASER DIODE ASSEMBLY FOR HEAT DISSIPATION AND COLLIMATION
Systems, devices, and methods for a laser diode assembly including: a laser diode configured to emit a laser beam; and a housing configured to receive at least a portion of the laser diode, where the housing includes: a first cylindrical portion defining a first chamber, where the laser diode is at least partially disposed in the first chamber; and a flange structure connected to the first cylindrical portion, where the flange structure comprises a base extending radially outwardly from the first cylindrical portion and a plurality of fins arranged linearly along the base and extending outwardly from the base, where the plurality of fins facilitates in dissipating a heat generated by the laser diode.
Systems, devices, and methods including a processor having addressable memory, the processor configured to: receive a trace-gas data packet, where the trace-gas data packet comprises a trace-gas concentration data from a trace-gas sensor and a location data for the trace-gas sensor from a location sensor, where the location data for the trace-gas sensor comprises a trajectory of the trace-gas sensor in space; receive at least one Meteorological data packet from one or more weather stations, where each weather station is distal from the trace-gas sensor, where each weather station generates a corresponding Meteorological data packet, where each Meteorological data packet comprises weather data; combine the trace-gas data packet with a selected spatial and temporal Meteorological data packet; and determine a trace-gas emission rate of a trace-gas source based on the combined trace-gas data packet and the selected Meteorological data packet.
Systems, devices, and methods for a gas sensor comprising one or more optical cells; a processor having addressable memory, the processor configured to: detect gas from the one or more optical cells of the gas sensor, where the detected gas is one or more of: methane, carbon dioxide, hydrogen sulfide, water, ammonia, sulfur oxides, and nitrogen; record data corresponding to the detected gas, where the recorded data comprises at least one of: an ambient temperature from a temperature sensor, an ambient pressure from a pressure sensor, an aerial vehicle telemetry, and an aerial vehicle location from a global positioning system (GPS); and generate a map of atmospheric greenhouse gas concentration on a map based on the detected gas and the recorded data.
G01N 21/39 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
B64U 10/14 - Flying platforms with four distinct rotor axes, e.g. quadcopters
B64U 101/00 - UAVs specially adapted for particular uses or applications
G01N 21/85 - Investigating moving fluids or granular solids
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
10.
SYSTEMS AND METHODS OF AUTOMATED DETECTION OF GAS PLUMES USING OPTICAL IMAGING
Systems, devices, and methods including: an optical gas imaging (OGI) camera; a processor in communication with the OGI camera, the processor configured to: capture at least two images of a scene with the camera; compare the captured at least two images to determine at least one of: a motion associated with a movement of the camera and a motion associated with a movement of a gas plume; apply a color to each pixel of the captured images based on at least one of: a direction of movement and a velocity of movement between the at least two captured images; subtract pixels from the colored pixels associated with the movement of the camera; and generate an image of an output of a gas plume based on the subtracted pixels and the applied color pixels.
G01J 5/00 - Radiation pyrometry, e.g. infrared or optical thermometry
G01M 3/20 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
Systems, devices, and methods including a modified Herriot cell comprising: a laser configured to generate a single beam; a partially transmissive region (PTR) disposed in at least one of: a first mirror and a second mirror, where a first portion of the single beam is received through the PTR, and where a second portion of the single beam is reflected by the PTR; a first detector disposed proximate the PTR, where the first detector receives the first portion of the beam, and where the first portion of the beam has traveled a first path length from the laser to the first detector; and a second detector disposed proximate the exit hole, where the second detector receives the second portion of the beam, and where the second portion of the beam has traveled a second path length from the laser to the second detector.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
12.
MEASUREMENT-CORRECTED WIND PROFILE FOR INCREASED ACCURACY OF WIND FLOW FIELD
Systems, devices, and methods for generating a first wind model, wherein the first wind model is based on at least one or more key parameters; generating a second wind model, wherein the second wind model is based on a secondary wind measurement device, from at least one of: a second stationary anemometer, an aerial-based data from an onboard anemometer, a control-system derived wind vector during a flight of an unmanned aerial vehicle, and a third-party meteorological data service; adjusting the second wind model based on a comparison of two or more altitudes; and adjusting the one or more key parameters to achieve a solution convergence, where the solution convergence is achieved when at least one of: a determined error between a received wind data and the second wind model is minimized to within an accepted tolerance range and a number of minimization attempts exceeds a threshold.
G01W 1/04 - Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed giving only separate indications of the variables measured
G01W 1/08 - Adaptations of balloons, missiles, or aircraft for meteorological purposesRadiosondes
G01W 1/10 - Devices for predicting weather conditions
13.
CLOSED SURFACE FLIGHT PATTERN GENERATION FOR UNMANNED AERIAL VEHICLE (UAV) FLUX PLANE ASSESSMENT OF LARGE FACILITIES
Systems, devices, and methods including a processor having addressable memory, where the processor is configured to: determine one or more flight paths for an aerial vehicle, where the determined flight path creates a continuous surface about one or more potential gas sources of a survey site; receive a trace gas data from one or more trace gas sensors of the aerial vehicle of the continuous surface as the aerial vehicle flies the determined one or more flight paths; and determine based on the received trace gas data whether a gas leak is present in the received survey site and a rate of the gas leak if present in the survey site.
Systems, devices, and methods including: measuring, by a gas sensor, gas concentrations; transmitting, by the gas sensor, concentration signals corresponding to the measured gas concentrations to a processor; evaluating, by a feature identification module of the processor, each individual concentration signal with a plurality of criteria, where the evaluating includes identifying if the individual concentration signal is a peak signal based on whether a plurality of values extracted from the individual concentration signal according to the plurality of criteria are within thresholds and tagging the individual concentration signal as a feature if the individual concentration signal is the peak signal; and calculating, by an ambient background level calculator module of the processor, an ambient background gas level by removing the measured gas concentration corresponding to the concentration signal set as a feature from an original background level.
Systems, devices, and methods for an unmanned aerial vehicle (UAV); a trace gas sensor disposed on the UAV, where the gas sensor is configured to measure a gas point concentration; a wind sensor, where the wind sensor is configured to determine a discrete wind vector corresponding to the gas point concentration measurement; and where the discrete wind vector and gas point concentration measurement are acquired substantially concurrently and co-locally.
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
B64U 101/00 - UAVs specially adapted for particular uses or applications
G01W 1/02 - Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
16.
Serviceable Dust Filter for Optical Based Gaseous Sensors
Systems, devices, and methods including an optical cell assembly, comprising: an optical core based trace gas sensor configured to measure trace gas concentrations; and an optical cell sub assembly including: a housing configured to house the optical core based trace gas sensor; and a field-replaceable filter media configured to be detachably attached to a portion of the housing and allow ambient trace gas to enter into the optical cell sub assembly.
Systems, devices, and methods including a mobile platform comprising: an in situ trace gas sensor, and a device configured to receive an open path laser beam, where the device is at least one of: a retroreflector to receive and return the open path laser beam and a detection device having processing electronics configured to interpret at least one of: a laser dispersion and an absorption signal.
G01N 21/39 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
G01P 5/02 - Measuring speed of fluids, e.g. of air streamMeasuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
18.
SCALE TRIGGERING OF EMISSIONS DETECTION, LOCALIZATION, QUANTIFICATION AND REPAIR
Systems, devices, and methods for an emissions characterization system comprising: one or more trace gas emission monitoring devices; where the one or more trace gas emission detection devices are configured to be connected via a communication network; and where the one or more emission detection devices are further configured to perform one or more of: alert, verify, and quantify anomalous trace gas emissions.
Systems, devices, and methods including one or more optical cavities; one or more light sources configured to emit a specified wavelength or band of wavelengths of light; and one or more photovoltaic detectors configured to receive the emitted light that has traveled over one or more path lengths, where the one or more photovoltaic detectors are configured to detect at least one of: a first trace gas species and a second trace gas species.
G01N 21/39 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
20.
ULTRA-LIGHTWEIGHT, HANDHELD GAS LEAK DETECTION DEVICE
Systems, devices and methods including a handheld sensing device comprising: a sensor configured to measure ambient methane, ethane, propane, butane, and/or pentane concentrations; and a handle, where the sensor is disposed on a first end of the handle; control electronics comprising: a processor having addressable memory, the processor in communication with the sensor, where the processor is configured to: receive the measured ambient gas concentrations; and detect elevated ambient gas concentrations that may be attributed to a natural gas emissions source based on the measured ambient gas concentrations.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
21.
ANALOG SIGNAL PROCESSING FOR A LIGHTWEIGHT AND COMPACT LASER-BASED TRACE GAS SENSOR
Systems, devices, and methods for a trace-gas sensor configured to generate a raw detector signal based on a gas sample; an analog processing configured to filter, amplify, lock-in, and/or normalize the generated raw detector signal; analog to digital converters configured to convert the filtered and amplified detector signal to a digital signal; and a drive computer configured to: receive the converted digital signal from the analog to digital converters; and apply a spectroscopic model to the received digital signal to extract one or more properties of the gas sample.
Systems, devices, and methods including a first band-pass filter configured to receive and filter a detector signal, where the first band-pass filter has a central frequency of 2f; a second band-pass filter configured to receive and filter the detector signal, where the second band-pass filter has a central frequency of 1f; a first logarithmic amplifier (Log Amp) configured to apply the filtered detector signal from the first band-pass filter; a second Log Amp configured to apply the filtered detector signal from the second band-pass filter; a differential amplifier configured to subtract the applied signal from the first Log Amp from the applied signal from the second Log Amp; and an Anti-Log Amplifier configured to determine an inverse logarithm of the subtracted signal from the differential amplifier.
Systems, devices, and methods for determining a placement of a gas collection well based on gathered trace gas data and/or wind speed data including to achieve enhanced gas production: gathering trace gas data over an area of interest (1102); generating at least one of: a heat map and a topographical map of gas concentration data based on the gathered trace gas data of the area of interest (1104); determining at least one of: a local maxima and a global maximum of increased gas concentration (1106); and placing one or more gas collection well proximal to the determined at least one of: the local maxima and the global maximum (1108).
Systems, devices, and methods including a processor having addressable memory, where the processor is configured to: determine one or more flight paths for an aerial vehicle, where the determined flight path creates a continuous surface about one or more potential gas sources of a survey site receive a trace gas data from one or more trace gas sensors of the aerial vehicle of the continuous surface as the aerial vehicle flies the determined one or more flight paths; and determine based on the received trace gas data whether a gas leak is present in the received survey site and a rate of the gas leak if present in the survey site.
Systems, devices, and methods for a sensor pair, where the sensor pair comprises: an emissions sensor configured to generate trace gas data; a wind sensor configured to generate wind data, where the wind data comprises wind speed and wind direction; and a position data, where the position data comprises a location corresponding to the generated trace gas data and generated wind data.
G01M 3/04 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
G01W 1/06 - Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed giving a combined indication of weather conditions
26.
Methods and apparatus for measuring methane emissions with an optical open-cavity methane sensor
Systems, devices, and methods including: an air inlet configured to receive air; an air outlet configured to expel air; a duct connected between the air inlet and the air outlet; and an open-cavity optical sensor disposed in the duct, where an air flow stream within the duct passes through the open-cavity optical sensor.
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
G01N 1/22 - Devices for withdrawing samples in the gaseous state
27.
TUNABLE LASER DIODE ASSEMBLY FOR HEAT DISSIPATION AND COLLIMATION
Systems, devices, and methods for a laser diode assembly (102) including: a laser diode (120) configured to emit a laser beam (200); and a housing (124) configured to receive at least a portion of the laser diode (120), where the housing (124) includes: a first cylindrical portion (126) defining a first chamber (134), where the laser diode (120) is at least partially disposed in the first chamber; and a flange structure (156) connected to the first cylindrical portion (126), where the flange structure comprises a base (160) extending radially outwardly from the first cylindrical portion (126) and a plurality of fins (170) arranged linearly along the base (160) and extending outwardly from the base (160), where the plurality of fins (170) facilitates in dissipating a heat generated by the laser diode (120).
Systems, devices, and methods for a laser assembly including a first mirror (110) defining at least one groove (146) extending radially outwardly from a first center hole (140) towards an outer edge (132) of the first mirror (110) and a second mirror (112) having at least one slot (154) extending radially outwardly from a second center hole (142) towards an outer edge (136) of the second mirror (112); a center rod (114) having a first end portion (116) configured to support the first mirror (110) and defining at least one first keyway (120); a first mount (160) configured to engage the first mirror (110) and the first end portion (116); where the first mount (160) has at least one key (172) adapted to engage at least one first key way (120) and a second mount (162) has at least one protrusion (192) adapted to engage with at least one second keyway (124).
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
G01N 21/39 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
29.
Systems and methods of automated detection of gas plumes using optical imaging
Systems, devices, and methods including: an optical gas imaging (OGI) camera; a processor in communication with the OGI camera, the processor configured to: capture at least two images of a scene with the camera; compare the captured at least two images to determine at least one of: a motion associated with a movement of the camera and a motion associated with a movement of a gas plume; apply a color to each pixel of the captured images based on at least one of: a direction of movement and a velocity of movement between the at least two captured images; subtract pixels from the colored pixels associated with the movement of the camera; and generate an image of an output of a gas plume based on the subtracted pixels and the applied color pixels.
G01J 5/00 - Radiation pyrometry, e.g. infrared or optical thermometry
G01M 3/20 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
Systems, devices, and methods including a first band-pass filter configured to receive and filter a detector signal, where the first band-pass filter has a central frequency of 2f; a second band-pass filter configured to receive and filter the detector signal where the second band-pass filter has a central frequency of 1f; a first logarithmic amplifier (Log Amp) configured to apply the filtered detector signal from the first band-pass filter; a second Log Amp configured to apply the filtered detector signal from the second band-pass filter; a differential amplifier configured to subtract the applied signal from the first Log Amp from the applied signal from the second Log Amp; and an Anti-Log Amplifier configured to determine an inverse logarithm of the subtracted signal from the differential amplifier.
G06G 7/24 - Arrangements for performing computing operations, e.g. amplifiers specially adapted therefor for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
H03H 11/12 - Frequency selective two-port networks using amplifiers with feedback
H03H 11/04 - Frequency selective two-port networks
31.
MEASUREMENT-CORRECTED WIND PROFILE FOR INCREASED ACCURACY OF WIND FLOW FIELD
Systems, devices, and methods for generating a first wind model, wherein the first wind model is based on at least one or more key parameters; generating a second wind model, wherein the second wind model is based on a secondary wind measurement device, from least one of: a second stationary anemometer, an aerial-based data from an onboard anemometer, a control-system derived wind vector during a flight of an unmanned aerial vehicle (UAV), and a third-party meteorological data service; adjusting the second wind model base on a comparison of two or more altitudes; and adjusting the one or more key parameters to achieve a solution convergence, where the solution convergence is achieved when at least one of: a determined error between a received wind data and the second wind model is minimized to within an accepted tolerance range and a number of minimization attempts exceeds a threshold.
G01W 1/04 - Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed giving only separate indications of the variables measured
G01W 1/08 - Adaptations of balloons, missiles, or aircraft for meteorological purposesRadiosondes
G01W 1/10 - Devices for predicting weather conditions
Systems, devices, and methods including a processor having addressable memory, the processor configured to: determine coordinates of one or more equipment groups; determine coordinates of one or more flight lines about the determined coordinates of the one or more equipment groups; generate one or more waypoints along the determined coordinates of the one or more flight lines; and generate a flight path along the generated one or more waypoints.
Systems, devices, and methods for an unmanned aerial vehicle (UAV); a trace gas sensor disposed on the UAV, where the gas sensor is configured to measure a gas point concentration; a wind sensor, where the wind sensor is configured to determine a discrete wind vector corresponding to the gas point concentration measurement; and where the discrete wind vector and gas point concentration measurement are acquired substantially concurrently and co-locally.
G01W 1/02 - Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
B64U 101/00 - UAVs specially adapted for particular uses or applications
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
34.
Multiple path length optical cell for trace gas measurement
Systems, devices, and methods including a modified Herriot cell comprising: a laser configured to generate a single beam; a partially transmissive region (PTR) disposed in at least one of: a first mirror and a second mirror, where a first portion of the single beam is received through the PTR, and wherein a second portion of the single beam is reflected by the PTR; a first detector disposed proximate the PTR, wherein the first detector receives the first portion of the beam, and where the first portion of the beam has traveled a first path length from the laser to the first detector; and a second detector disposed proximate the exit hole, where the second detector receives the second portion of the beam, and wherein the second portion of the beam has traveled a second path length from the laser to the second detector.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
35.
SCALE TRIGGERING OF EMISSIONS DETECTION, LOCALIZATION, QUANTIFICATION AND REPAIR
Systems, devices, and methods for an emissions characterization system (800) comprising: one or more trace gas emission monitoring devices (802, 804, 806, 808, 810, 812, 814, 816, 818, 820); where the one or more trace gas emission detection devices are configured to be connected via a communication network (822); and where the one or more emission detection devices are further configured to perform one or more of: alert, verify, and quantify anomalous trace gas emissions.
Systems, devices, and methods for scanning a laser into wings of an absorption feature; fitting a polynomial to the edges of the scan; dividing a transmitted signal by a fit-derived baseline to compute a transmission of the light; fitting a spectral model with the transmitted signal; and solving for a mole fraction.
G01M 3/20 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
37.
MULTISPECIES MEASUREMENT PLATFORM USING ABSORPTION SPECTROSCOPY FOR MEASUREMENT OF CO-EMITTED TRACE GASES
Systems, devices, and methods including one or more optical cavities (102, 104, 206, 302, 402, 502, 602); one or more light sources (106, 116, 202, 304, 306, 404, 406, 504, 506) configured to emit a specified wavelength or band of wavelengths of light; and one or more photovoltaic detectors (114, 124, 204, 308, 408, 410, 508, 510, 606, 608) configured to receive the emitted light that has traveled over one or more path lengths (112, 122, 208, 310, 316, 412, 418, 516, 522), where the one or more photovoltaic detectors (114, 124, 204, 308, 408, 410, 508, 510, 606, 608) are configured to detect at least one of: a first trace gas species and a second trace gas species.
G01N 21/39 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
G06N 99/00 - Subject matter not provided for in other groups of this subclass
G06N 5/00 - Computing arrangements using knowledge-based models
38.
Rapidly deployable UAS system for autonomous inspection operations using a combined payload
Systems, devices, and methods for a mobile vehicle, the mobile vehicle comprising a base station; an unmanned aerial vehicle (UAV), where the UAV is launched from the base station; a payload disposed on the UAV, where the payload is configured to generate payload data of at least one infrastructure, and where the payload data comprises at least one of: a gas sensor data, an infrared imager for optical gas imaging (OGI) camera data, an infrared imager tuned for radiometric measurement camera data, a visible camera data, and a 3D mapping data; and a processor in communication with the UAV and the payload, where the processor is configured to determine an integrity of the at least one infrastructure based on payload data from the payload.
B64U 50/19 - Propulsion using electrically powered motors
B64U 80/25 - Transport or storage specially adapted for UAVs with arrangements for servicing the UAV for recharging batteriesTransport or storage specially adapted for UAVs with arrangements for servicing the UAV for refuelling
B64U 80/70 - Transport or storage specially adapted for UAVs in containers
B64U 101/26 - UAVs specially adapted for particular uses or applications for manufacturing or servicing for manufacturing, inspections or repairs
B64U 101/30 - UAVs specially adapted for particular uses or applications for imaging, photography or videography
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
Systems, devices, and methods for a trace-gas sensor configured to generate a raw detector signal (118) based on a gas sample; an analog processing configured to filter, amplify, lock-in, and/or normalize the generated raw detector signal; analog to digital converters configured to convert the filtered and amplified detector signal to a digital signal; and a drive computer configured to: receive the converted digital signal from the analog to digital converters; and apply a spectroscopic model to the received digital signal to extract one or more properties of the gas sample.
G01N 21/39 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
40.
Time-and data-efficient assurance of leak detection
Systems, devices, and methods including an aerial vehicle having a global positioning system (GPS) and at least one trace-gas sensor configured to generate gas data; and a processor having addressable memory, the processor configured to: determine a flight envelope based on a received spatial location, a received spatial location of the one or more potential gas sources, a received desired level of confidence, and a received wind data; determine a flight path for the aerial vehicle, where the flight path covers a portion of the determined flight envelope; and determine based on a received gas data whether a gas leak is present in the received spatial location to the received desired level of confidence.
Systems, devices, and methods including receiving, by a processor having addressable memory, a spatial location of one or more known assets; determining, by the processor, one or more clusters based on the received spatial location of the one or more known assets; determining, by the processor, a bound for each asset of the one or more known assets in each cluster; and determining, by the processor, a flight plan for an aerial vehicle for each cluster, where the flight plan surveys each asset in each cluster.
Systems, devices, and methods for a sensor pair (202), where the sensor pair (202) comprises: an emissions sensor (102) configured to generate trace gas data; a wind sensor (802) configured to generate wind data, where the wind data comprises wind speed and wind direction; and a position data (808), where the position data comprises a location corresponding to the generated trace gas data and generated wind data.
G01M 3/26 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
43.
METHODS AND APPARATUS FOR MEASURING METHANE EMISSIONS WITH AN OPTICAL OPEN-CAVITY METHANE SENSOR
Systems, devices, and methods including: an air inlet (202) configured to receive air; an air outlet (204) configured to expel air; a duct (210) connected between the air inlet (202) and the air outlet (204); and an open-cavity optical sensor (206) disposed in the duct (210), where an air flow stream (208) within the duct passes through the open-cavity optical sensor (206).
Systems, devices and methods including a handheld sensing device comprising: a sensor configured to measure ambient methane, ethane, propane, butane, and/or pentane concentrations; and a handle, where the sensor is disposed on a first end of the handle; control electronics comprising: a processor having addressable memory, the processor in communication with the sensor, where the processor is configured to: receive the measured ambient gas concentrations; and detect elevated ambient gas concentrations that may be attributed to a natural gas emissions source based on the measured ambient gas concentrations.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
45.
Systems and methods of automated detection of gas plumes using optical imaging
Systems, devices, and methods including: an optical gas imaging (OGI) camera; a processor in communication with the OGI camera, the processor configured to: capture at least two images of a scene with the camera; compare the captured at least two images to determine at least one of: a motion associated with a movement of the camera and a motion associated with a movement of a gas plume; apply a color to each pixel of the captured images based on at least one of: a direction of movement and a velocity of movement between the at least two captured images; subtract pixels from the colored pixels associated with the movement of the camera; and generate an image of an output of a gas plume based on the subtracted pixels and the applied color pixels.
G01J 5/00 - Radiation pyrometry, e.g. infrared or optical thermometry
G01M 3/20 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
Systems, devices, and methods including a processor (1124) having addressable memory (1127), the processor configured to: determine coordinates of one or more equipment groups (310); determine coordinates of one or more flight lines (302) about the determined coordinates of the one or more equipment groups (310); generate one or more waypoints (312, 314, 316) along the determined coordinates of the one or more flight lines (302); and generate a flight path along the generated one or more waypoints (312, 314, 316).
G05D 1/08 - Control of attitude, i.e. control of roll, pitch, or yaw
B64C 39/02 - Aircraft not otherwise provided for characterised by special use
G01N 27/62 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosolsInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electric discharges, e.g. emission of cathode
47.
UAV-borne, high-bandwidth, lightweight point sensor for quantifying greenhouse gases in atmospheric strata
Systems, devices, and methods for a gas sensor comprising one or more optical cells; a processor having addressable memory, the processor configured to: detect gas from the one or more optical cells of the gas sensor, where the detected gas is one or more of: methane, carbon dioxide, hydrogen sulfide, water, ammonia, sulfur oxides, and nitrogen; record data corresponding to the detected gas, where the recorded data comprises at least one of: an ambient temperature from a temperature sensor, an ambient pressure from a pressure sensor, an aerial vehicle telemetry, and an aerial vehicle location from a global positioning system (GPS); and generate a map of atmospheric greenhouse gas concentration on a map based on the detected gas and the recorded data.
G01N 21/39 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
B64U 101/00 - UAVs specially adapted for particular uses or applications
G01N 21/85 - Investigating moving fluids or granular solids
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
B64U 10/14 - Flying platforms with four distinct rotor axes, e.g. quadcopters
48.
Multispecies measurement platform using absorption spectroscopy for measurement of co-emitted trace gases
Systems, devices, and methods including one or more optical cavities; one or more light sources configured to emit a specified wavelength or band of wavelengths of light; and one or more photovoltaic detectors configured to receive the emitted light that has traveled over one or more path lengths, where the one or more photovoltaic detectors are configured to detect at least one of: a first trace gas species and a second trace gas species.
G01N 21/39 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
49.
LOGARITHMIC DEMODULATOR FOR LASER WAVELENGTH-MODULATON SPECTROSCOPY
Systems, devices, and methods including a first band-pass filter (128) configured to receive and filter a detector signal (101), where the first band-pass filter (128) has a central frequency of 2f; a second band-pass filter (130) configured to receive and filter the detector signal (101), where the second band-pass filter has a central frequency of If; a first logarithmic amplifier (Log Amp) (129) configured to apply the filtered detector signal (302) from the first band-pass filter (128); a second Log Amp (131) configured to apply the filtered detector signal (304) from the second band-pass filter (130); a differential amplifier (132) configured to subtract the applied signal (306) from the first Log Amp (129) from the applied signal (308) from the second Log Amp (131); and an Anti-Log Amplifier (133) configured to determine an inverse logarithm (127) of the subtracted signal (310) from the differential amplifier.
G01R 23/165 - Spectrum analysisFourier analysis using filters
G06G 7/24 - Arrangements for performing computing operations, e.g. amplifiers specially adapted therefor for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
H03G 3/00 - Gain control in amplifiers or frequency changers
Systems, devices, and methods including a processor having addressable memory, the processor configured to: receive an unmanned aerial vehicle (UAV) data packet, where the UAV data packet comprises methane concentration data and UAV information from a UAV flight path; receive at least one Meteorological data packet, where the Meteorological data packet comprises weather data; combine the UAV data packet with a nearest Meteorological data packet; and determine a methane emission rate of a methane source based on the combined UAV data packet and the nearest Meteorological data packet.
Systems, devices, and methods for receiving, by a ground control station (GCS) having a processor with addressable memory, a plurality of point source gas concentration measurements; receiving, by the GCS, a meteorological data corresponding to each point source concentration gas measurement; determining, by the GCS, if each point source gas concentration measurement is an elevated ambient gas concentration; generating, by the GCS, a back trajectory for each elevated ambient gas concentration; storing, by the GCS, the position of each generated back trajectory in a grid; determining, by the GCS, a probability of a gas source location corresponding to the stored positions in the grid; and generating, by the GCS, an overlay showing the probability of the gas source location.
Systems, devices, and methods including a modified Herriot cell (100) comprising: a laser (108) configured to generate a single beam (115); a partially transmissive facet (PTF) (112) disposed in at least one of: a first mirror (102) and a second mirror (104), where a first portion of the single beam is received through the PTF, and wherein a second portion of the single beam is reflected by the PTF; a first detector (106a) disposed proximate the PTF, wherein the first detector receives the first portion of the beam, and where the first portion of the beam has traveled a first path length (126) from the laser to the first detector; and a second detector (106b) disposed proximate the exit hole, where the second detector receives the second portion of the beam, and wherein the second portion of the beam has traveled a second path length (128) from the laser to the second detector.
G01N 21/00 - Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
G01N 21/39 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
Systems, devices, and methods for an optical head enclosure of a sensor; one or more imbedded nozzles disposed on a surface of the optical head enclosure; an inlet of the one or more imbedded nozzles, where the inlet comprises a nozzle channel for receiving a cleaning solution; a flow channel internal to the optical head enclosure, where the nozzle channel is connected to the flow channel, and where the flow channel comprises an outlet for dispersing the cleaning solution received from the nozzle channel; wherein the inlet comprises a break to stop a nozzle of a cleaning device from reaching a mirror of the sensor; where the outlet directs the cleaning solution from the inlet onto the mirror.
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
54.
Concurrent in-situ measurement of wind speed and trace gases on mobile platforms for localization and qualification of emissions
Systems, devices, and methods for an unmanned aerial vehicle (UAV); a trace gas sensor disposed on the UAV, where the gas sensor is configured to measure a gas point concentration; a wind sensor, where the wind sensor is configured to determine a discrete wind vector corresponding to the gas point concentration measurement; and where the discrete wind vector and gas point concentration measurement are acquired substantially concurrently and co-locally.
G01W 1/02 - Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
B64U 101/00 - UAVs specially adapted for particular uses or applications
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
B64C 39/02 - Aircraft not otherwise provided for characterised by special use
Systems, devices, and methods including a processor having addressable memory, the processor configured to: receive a trace-gas data packet, where the trace-gas data packet comprises a trace-gas concentration data from a trace-gas sensor and a location data for the trace-gas sensor from a location sensor, where the location data for the trace-gas sensor comprises a trajectory of the trace-gas sensor in space; receive at least one Meteorological data packet from one or more weather stations, where each weather station is distal from the trace-gas sensor, where each weather station generates a corresponding Meteorological data packet, where each Meteorological data packet comprises weather data; combine the trace-gas data packet with a selected spatial and temporal Meteorological data packet; and determine a trace-gas emission rate of a trace-gas source based on the combined trace-gas data packet and the selected Meteorological data packet.
Systems, devices, and methods including: an unmanned vehicle; a gas sensor attached to the unmanned vehicle, where the gas sensor is configured to measure ambient gas concentrations; and a ground control system (GCS), where the GCS is configured to display a location of the unmanned vehicle and a corresponding real-time ambient gas concentration detected by the gas sensor; and where the gas sensor is attached to the unmanned vehicle such that the gas sensor does not impair movement of the unmanned vehicle.
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
B25J 13/08 - Controls for manipulators by means of sensing devices, e.g. viewing or touching devices
B25J 19/00 - Accessories fitted to manipulators, e.g. for monitoring, for viewingSafety devices combined with or specially adapted for use in connection with manipulators
B62D 57/032 - Vehicles characterised by having other propulsion or other ground-engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members with alternately or sequentially lifted supporting base and legVehicles characterised by having other propulsion or other ground-engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members with alternately or sequentially lifted feet or skid
G05D 1/00 - Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
Systems, devices, and methods including a processor (402) having addressable memory (426), where the processor is configured to: determine one or more flight paths (204) for an aerial vehicle (202, 408), where the determined flight path (204) creates a continuous surface (206) about one or more potential gas sources of a survey site (210); receive a trace gas data from one or more trace gas sensors (412) of the aerial vehicle of the continuous surface (206) as the aerial vehicle (202, 408) flies the determined one or more flight paths (204); and determine based on the received trace gas data whether a gas leak is present in the received survey site (210, 404) and a rate of the gas leak if present in the survey site (210, 404).
G01M 3/04 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
G05D 1/00 - Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
Systems, devices, and methods for scanning a laser into wings of an absorption feature (302); fitting a polynomial to the edges of the scan; dividing a transmitted signal by a fit-derived baseline to compute a transmission of the light (306); fitting a spectral model with the transmitted signal (308); and solving for a mole fraction (308).
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
G01N 21/17 - Systems in which incident light is modified in accordance with the properties of the material investigated
Systems, devices, and methods for a mobile vehicle (102), the mobile vehicle comprising a base station (104); an unmanned aerial vehicle (UAV) (106), where the UAV is launched from the base station; a payload (108) disposed on the UAV, where the payload is configured to generate payload data of at least one infrastructure (112, 158, 160), and where the payload data comprises at least one of: a gas sensor (146) data, an infrared imager for optical gas imaging (OGI) camera (148) data, an infrared imager tuned for radiometric measurement camera data, a visible camera (150) data, and a 3D mapping (156) data; and a processor (154, 164, 114) in communication with the UAV and the payload, where the processor is configured to determine an integrity of the at least one infrastructure based on payload data from the payload.
Systems, devices, and methods for a trace-gas sensor (114) configured to generate a raw detector signal (118) based on a gas sample; an analog processing (120, 108, 110, 112, 124, 126) configured to filter, amplify, lock-in, and/or normalize the generated raw detector signal; analog to digital converters (116) configured to convert the filtered and amplified detector signal to a digital signal (128); and a drive computer (102) configured to: receive the converted digital signal from the analog to digital converters; and apply a spectroscopic model to the received digital signal to extract one or more properties of the gas sample.
Systems, devices, and methods including an aerial vehicle (816) having a global positioning system (GPS) (824) and at least one trace-gas sensor (822) configured to generate gas data; and a processor (802) having addressable memory (830), the processor configured to: determine a flight envelope (200) based on a received spatial location (804), a received spatial location of the one or more potential gas sources (806, 808, 810), a received desired level of confidence (812), and a received wind data (814); determine a flight path (300) for the aerial vehicle, where the flight path covers a portion (212) of the determined flight envelope; and determine based on a received gas data whether a gas leak is present in the received spatial location to the received desired level of confidence.
G01M 3/04 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
G01M 3/02 - Investigating fluid tightness of structures by using fluid or vacuum
G05D 1/00 - Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
G01M 3/00 - Investigating fluid tightness of structures
G01W 1/02 - Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
64.
ROUTE OPTIMIZATION FOR ENERGY INDUSTRY INFRASTRUCTURE INSPECTION
Systems, devices, and methods including receiving, by a processor (302) having addressable memory (340), a spatial location of one or more known assets (102, 306, 308, 310); determining, by the processor, one or more clusters (202) based on the received spatial location of the one or more known assets; determining, by the processor, a bound (312) for each asset of the one or more known assets in each cluster; and determining, by the processor, a flight plan (204) for an aerial vehicle (316) for each cluster, where the flight plan surveys each asset in each cluster.
G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
65.
A UAV-BORNE, HIGH-BANDWIDTH, LIGHTWEIGHT POINT SENSOR FOR QUANTIFYING GREENHOUSE GASES IN ATMOSPHERIC STRATA
Systems, devices, and methods for a gas sensor (102) comprising one or more optical cells (110, 112, 114); a processor (136) having addressable memory (138), the processor (136) configured to: detect gas from the one or more optical cells (110, 112, 114) of the gas sensor (102), where the detected gas is one or more of: methane, carbon dioxide, hydrogen sulfide, water, ammonia, sulfur oxides, and nitrogen; record data corresponding to the detected gas, where the recorded data comprises at least one of: an ambient temperature from a temperature sensor (124), an ambient pressure from a pressure sensor (122), an aerial vehicle telemetry (106), and an aerial vehicle location from a global positioning system (GPS) (108); and generate a map of atmospheric greenhouse gas concentration on a map based on the detected gas and the recorded data.
G01N 21/00 - Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
G01N 21/85 - Investigating moving fluids or granular solids
66.
ULTRA-LIGHTWEIGHT, HANDHELD GAS LEAK DETECTION DEVICE
Systems, devices, and methods including a handheld sensing device (114) comprising: a sensor (102) configured to measure ambient methane, ethane, propane, butane, and/or pentane concentrations; and a handle (116), where the sensor is disposed on a first end of the handle; control electronics (119) comprising: a processor (128) having addressable memory (806), the processor in communication with the sensor, where the processor is configured to: receive the measured ambient gas concentrations; and detect elevated ambient gas concentrations that may be attributed to a natural gas emissions source based on the measured ambient gas concentrations.
G01M 3/00 - Investigating fluid tightness of structures
G01N 21/00 - Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
G01N 21/39 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
Systems, devices, and methods including a processor (122) having addressable memory, the processor configured to: receive an unmanned aerial vehicle (UAV) data packet (152), where the UAV data packet comprises methane concentration data and UAV information from a UAV flight path (104); receive at least one Meteorological data packet (174), where the Meteorological data packet comprises weather data; combine the UAV data packet with a nearest Meteorological data packet; and determine a methane emission rate of a methane source (108) based on the combined UAV data packet and the nearest Meteorological data packet.
Systems, devices, and methods for receiving, by a ground control station (GCS) (106) having a processor (1702) with addressable memory (1706), a plurality of point source gas concentration measurements; receiving, by the GCS, a meteorological data corresponding to each point source concentration gas measurement; determining, by the GCS, if each point source gas concentration measurement is an elevated ambient gas concentration; generating, by the GCS, a back trajectory (904) for each elevated ambient gas concentration; storing, by the GCS, the position of each generated back trajectory in a grid; determining, by the GCS, a probability of a gas source location corresponding to the stored positions in the grid; and generating, by the GCS, an overlay (1302) showing the probability of the gas source location.
