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发明名称
永久磁铁马达之位置判断及去磁化现象检测技术
摘要
在一马达驱动系统中回应于一高频率载波信号之注入的一回馈反应信号提供资讯用于决定马达位置与去磁化现象检测。该高频率载波信号激发可以电压或电流为基础。该回馈信号用各种滤波技术与相位检测被处理以获得所欲的资讯。该马达之均匀与区域去磁化现象藉由就缺乏与位置相关的资讯或大的DC偏差检查定子铁之饱和显极性而被检测。该技术为该马达提供优良的位置资讯而提供马达健康之指标。
申请公布号
TW200411170
申请公布日期
2004.07.01
申请号
TW092123151
申请日期
2003.08.22
申请人
国际整流器公司
发明人
麦可哈克
分类号
G01N27/00
主分类号
G01N27/00
代理机构
代理人
恽轶群;陈文郎
主权项
地址
美国
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