A collision warning device (1), comprises a camera (100) configured to capture a plurality of image frames covering a field of view (A); a depth sensor (200) configured to capture a plurality of depth data points at least partially covering the field of view (B); an object detection module (300) adapted to detect one or more rail vehicles in the field of view (A, B) and map the location of the detected rail vehicle to the depth data points to calculate an output depth at that location; and an output unit (400) configured to generate an output in response to the detection of a rail vehicle based on the output depth.
Method of Forecasting Operational Lifespan A computer-implemented method of forecasting the operational lifespan of an apparatus includes sensing at least one real-time workload parameter indicating current workload; sensing at least one real-time condition parameter indicating current condition; determining an effective age of the apparatus using an apparatus health model; and determining for output a remaining operational lifespan based on the effective age of the apparatus.
G06F 11/34 - Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
G06F 119/04 - Ageing analysis or optimisation against ageing
G06Q 10/20 - Administration of product repair or maintenance
3.
METHOD AND DEVICE FOR INSPECTING A MOVING APPARATUS
An inspection device (2) for an apparatus with one or more moving components includes an illumination module (10) with an LED array (11) comprising a plurality of LEDs (110) and a co-focus lens array (12) comprising a corresponding plurality of total internal reflection, TIR, lenses (120) each configured to receive light from one of the LEDs (110) and output collimated light directed at a fixed illumination point in a path of the moving components. An image capturing module (20) includes two or more cameras (21) arranged to capture images of the illumination point, and a processing module (30) is configured to determine a gap size between two adjacent components at the illumination point using the images captured by the cameras (21).There is also provided a method for inspecting an apparatus.
G01B 11/14 - Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
A monitoring system (1) for detecting the state of a signal installation (2) comprises a vibration sensing unit (10) at a location proximate to the signal installation (2) to detect a railway vehicle (4) moving upon the railway track (3) proximate to the vibration sensing unit (10) and broadcast a unique sensor identifier, a state detecting unit (20) to receive visible light emitted from the signal installation (2) and broadcast a state indication of the signal installation (2) and a unique detector identifier, and an on-board computer (30) in the railway vehicle (4) to verify the association between the unique sensor identifier and the unique detector identifier and output the state of the signal installation (2) if the association is verified. A computer-implemented method of detecting the state of a signal installation (2) and a computer-readable medium are also provided.
A safe speed for a train (310) is determined based on detection range (340) of a sensor system (210) of the train (310). The detection range (340) is determined based on the current location (A, B, C) of the train (310) and a data store (230) comprising information from which the detection range (340) at a plurality of locations (A, B, C) on the railway (300) can be determined.
A method for determining a safe speed of a train is presented. The safe speed is determined based on the detection range of a sensor system of the train (130). The detection range is determined based on the current location of the train and a data store comprising information from which the detection range at a plurality of locations on the railway can be determined (120).
An air amplifier ventilation system for providing efficient spot cooling in multiple locations for various applications, such as railway station platforms, includes compressed air plants (8) at remote locations, which may be located at one or both ends of the railway station platform, and air amplifier units (1) located at various cooling locations, such as automatic platform gateway doorways located on a railway station platform. Compressed air generated by the plants (8) is provided to the air amplifier units (1) through delivery pipes and respective pressure reducing valves (2). The air amplifier units (1) generate an amplified and evenly distributed air stream via air induction principles and Coanda effect to provide spot cooling based on compressed air, and without the use of conventional bladed fans or physical air movers.
F04F 5/16 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
An escalator monitoring system and escalator step for use with an escalator which comprises a plurality of steps and a chain for moving the steps, each step including at least one wheel. The system includes a plurality of vibration sensors, each sensor attached to a different step of the escalator. The vibration sensors are communicatively coupled to one or more wireless transmitters for transmission of vibration data to a wireless receiver of a computing device. The computing device receives vibration data for each step on which a vibration sensor is located and determines based on the vibration data, a parameter for each said step on which a vibration sensor is located. The parameter indicates a level of wear of at least one wheel of said step, and generates an alert in relation to a step in response to the parameter exceeding a threshold.
A video content analysis module (40), a system, an apparatus and a method for detecting a dangerous object on an escalator (100) or moving walkway, which may damage the escalator (100) or moving walkway by jamming in the comb section (10), the video content analysis module (40) receives a video stream from a video camera (30) that monitors the comb section (10) and is configured to analyze the video stream to identify objects, determine whether any of the identified objects is a dangerous object and generate an alert in response to determine that an identified object is a dangerous object.
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