Railroad object detection systems and methods include radar sensors detecting object presence, speed and heading in a different manner. A controller compares signal outputs from the different sensors to make real time health assessments and self-diagnose sensor problems in a railroad application. The sensor devices may include an ultra-wideband (UWB) impulse radar device and at least one reflective device providing failsafe object presence detection and object non-presence detection in redundant fashion with at least a second sensor device such as a side-fired radar device.
REDUNDANT, SELF-DETERMINISTIC, FAILSAFE SENSOR SYSTEMS AND METHODS FOR OBJECT DETECTION, SPEED AND HEADING
09.05.2019
Patent
Elektronische Ressource
Englisch
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