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US6140789A Method of detecting, diagnosing and automatically correcting abnormalities in servo control system 失效
伺服控制系统检测,诊断和自动纠正异常的方法

Method of detecting, diagnosing and automatically correcting
abnormalities in servo control system
摘要:
According to the present invention, in a first acceleration after power is turned ON, currents flowing through U-phase and V-phase of a servo motor output terminal are detected, and misconnection of the motor output terminal is detected by monitoring a pattern of the current wave form.
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