PROBLEM TO BE SOLVED: To provide a brake device capable of reducing motor drive noise at the time of self diagnosis of a motor without depending on any situation: and to provide a brake control method and a motor lock abnormality determination method.SOLUTION: A brake control method includes: a drive command step for driving a motor M by repeating on-off drive so that the number of rotation of the motor at the drive-off time does not become zero and also the peak of the number of rotation of the motor is more increased at a subsequent drive-on time; a terminal voltage detection step for detecting a terminal voltage of the motor M at the time of on-off drive by the drive command step; and a motor lock abnormality determination step for determining presence or absence of lock abnormality on the basis of the characteristics of the terminal voltage at the drive-off time in the on-off drive, detected in the terminal voltage detection step.SELECTED DRAWING: Figure 2
【課題】 状況に依らずモータの自己診断時におけるモータ駆動音を低減できるブレーキ装置、ブレーキ制御方法およびモータロック異常判定方法を提供する。【解決手段】 オンオフ駆動を繰り返して、オフ時のモータ回転数がゼロにならないように、かつ、後のオン時ほどモータ回転数のピークが上昇するようにモータMを駆動させる駆動指令ステップと、駆動指令ステップによるオンオフ駆動時におけるモータMの端子電圧を検出する端子電圧検出ステップと、端子電圧検出ステップで検出されたオンオフ駆動のオフ時の端子電圧の特性に基づきロック異常有無を判定するモータロック異常判定ステップと、を備えた。【選択図】 図2
BRAKE DEVICE, BRAKE CONTROL METHOD AND MOTOR LOCK ABNORMALITY DETERMINATION METHOD
ブレーキ装置、ブレーキ制御方法およびモータロック異常判定方法
2017-09-28
Patent
Electronic Resource
Japanese
BRAKE DEVICE, BRAKE CONTROL METHOD, AND MOTOR LOCK ABNORMALITY DETERMINING METHOD
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