STRAIGHT DRIVING DEVICE OF IN-WHEEL SYSTEM AND CONTROL METHOD USING THE SAME

A control method for straight driving of an in-wheel system includes: a) measuring a vehicle alignment; b) calculating a yaw rate based on a vehicle misalignment level; c) determining whether the yaw rate calculated in the step b) is more than a predetermined allowable yaw rate; d) maintaining strai...

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Bibliographische Detailangaben
Hauptverfasser: HWANG, Jun Ha, KIM, Byong Sung, AHN, Jae Hyun
Format: Patent
Sprache:eng
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Zusammenfassung:A control method for straight driving of an in-wheel system includes: a) measuring a vehicle alignment; b) calculating a yaw rate based on a vehicle misalignment level; c) determining whether the yaw rate calculated in the step b) is more than a predetermined allowable yaw rate; d) maintaining straight moving of the vehicle by using vectoring when the yaw rate calculated in the step b) is more than the predetermined allowable yaw rate; e) calculating an equivalent steering angle of each wheel based on the vehicle misalignment level and a deviation between left and right torques of motors that is acquired while the vectoring is performed; and f) determining whether each wheel is defective based on the equivalent steering angle.