An abrasion inspection apparatus includes: a first imaging unit that is installed on a side of a track, a vehicle traveling along the track, a guide wheel being installed on a side of the vehicle, the first imaging unit imaging an inside of the track via a telecentric lens; a second imaging unit that is installed in a vehicle traveling direction with respect to the first imaging unit on the side of the track and images the inside of the track via a telecentric lens; an image acquisition unit that acquires an image which is an image of a boundary of the guide wheel captured by the first imaging unit and is an image of a boundary on a first direction side in the vehicle traveling direction and an image which is an image of the boundary of the guide wheel captured by the second imaging unit at the same time as the capturing of the image by the first imaging unit and is an image of a boundary on an opposite side to the first direction side; and a guide wheel detection unit that detects an abrasion situation of the guide wheel according to a position of a boundary indicated in the images acquired by the image acquisition unit.

A vehicle sensor system reduces power obtained from a first power-generating component of a power-generating system based on a temperature variation between the first power-generating component and one or more additional power-generating components of the power-generating system at different operating speeds of the power-generating system. The power is reduced to prevent or reduce damage to the first power-generating component. The power-generating components can be axles of a vehicle.

A vehicle sensor system reduces power obtained from a first power-generating component of a power-generating system based on a temperature variation between the first power-generating component and one or more additional power-generating components of the power-generating system at different operating speeds of the power-generating system. The power is reduced to prevent or reduce damage to the first power-generating component. The power-generating components can be axles of a vehicle.

Described herein is a system and method that can accurately determine the presence of defects in the wheelset of a railcar during active use of the railcar.

Described herein is a system and method that can accurately determine the presence of defects in the wheelset of a railcar during active use of the railcar.

A method for monitoring a transport vehicle is provided. The method includes the operations as follows. A transport vehicle is scanned by a monitor during the transport vehicle is operated on a rail to acquire a vehicle pattern of the transport vehicle. The vehicle pattern of the transport vehicle is analyzed. An abnormal transport vehicle is determined based on the vehicle pattern. The monitor is placed nearby the rail. A method for transport vehicle maintenance is also provided.

A wheel-mounted sensor ring is configured to be removably attachable to a hub portion of a railcar wheel of a railcar wheelset for use in determining anomalies associated with the railcar wheel, or a railcar bogie assembly that the railcar wheelset is part of, or a track, during motion of the railcar wheelset on a track. The sensor ring includes one or more sensors, such as inertial measurement units (IMU's), mounted thereto to measure parameters that are used for determining the anomalies during motion of the railcar wheel on the track.

A wheel-mounted sensor ring is configured to be removably attachable to a hub portion of a railcar wheel of a railcar wheelset for use in determining anomalies associated with the railcar wheel, or a railcar bogie assembly that the railcar wheelset is part of, or a track, during motion of the railcar wheelset on a track. The sensor ring includes one or more sensors, such as inertial measurement units (IMU's), mounted thereto to measure parameters that are used for determining the anomalies during motion of the railcar wheel on the track.

A method of detecting defects in a mechanical system, the method comprising the steps of: a. providing a mechanical system; b. subjecting the mechanical system to random, optionally broadband, vibration by a vibration device to cause the mechanical system to vibrate and output an output vibration spectrum; c. detecting the output vibration spectrum using a vibration detection device; d. using a processing system to carry out the substeps of: i. selecting a plurality of frequencies within the output vibration spectrum; ii. analysing the plurality of frequencies to extract phase information for the plurality of frequencies; iii. generating a continuous phase waveform representing modulation in phase over time for one or more frequencies of the plurality of frequencies; and iv. detecting peaks in the spectrum of the continuous phase waveform at multiples of the input vibration frequency to produce output data representing defects in the mechanical system.

A method of detecting defects in a mechanical system, the method comprising the steps of: a. providing a mechanical system; b. subjecting the mechanical system to random, optionally broadband, vibration by a vibration device to cause the mechanical system to vibrate and output an output vibration spectrum; c. detecting the output vibration spectrum using a vibration detection device; d. using a processing system to carry out the substeps of: i. selecting a plurality of frequencies within the output vibration spectrum; ii. analysing the plurality of frequencies to extract phase information for the plurality of frequencies; iii. generating a continuous phase waveform representing modulation in phase over time for one or more frequencies of the plurality of frequencies; and iv. detecting peaks in the spectrum of the continuous phase waveform at multiples of the input vibration frequency to produce output data representing defects in the mechanical system.