A new steering angle sensor which is composed of a 3-turn angular potentiometer and an encoder has been developed. The 3-turn angular potentiometer includes a spiral carbon film, the width of which varies with the steering angle and produces an analog signal that is directly proportional to the steering angle over the range of -540 deg to +540 deg. The encoder has 75 slits on the rotating disc which is a part of the 3-turn angular potentiometer. It produces 3-phase pulses which have resolutions of 1.2 deg for the steering angle and which are useful for control systems. When a failure occurs at the sensor, it can be detected directly by comparing the steering angle values of the 3-turn angular potentiometer and the encoder.
Development of a steering sensor for vehicle control systems
Entwicklung eines Lenkwinkelsensors für Fahrzeugregelsysteme
1998
5 Seiten, 8 Bilder, 1 Tabelle, 6 Quellen
Aufsatz (Konferenz)
Englisch
Development of a Steering Sensor for Vehicle Control Systems
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