Detection device and detection method for detecting number of revolutions of sensorless EPB motor

A device and method for detecting the number of revolutions of a sensorless electric park brake (EPB) motor. The device for detecting the number of revolutions of a sensorless motor includes: an actuator driving motor used to set and release a parking brake of an EPB system; an electronic control mo...

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Bibliographische Detailangaben
Hauptverfasser: Noh, Seung Soo, Kang, Shin Deok, Ahn, Dae Ki, Song, Soo Hwan, Kim, Eung Soo
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A device and method for detecting the number of revolutions of a sensorless electric park brake (EPB) motor. The device for detecting the number of revolutions of a sensorless motor includes: an actuator driving motor used to set and release a parking brake of an EPB system; an electronic control module for controlling the motor, a vehicle battery for supplying power to the motor and the electronic control module; and a main processing unit for receiving an output signal of the electronic control module and estimating the number of revolutions of the motor, wherein the electronic control module further includes a ripple measuring unit for receiving an output signal of the motor and measuring a ripple of the motor.