MOTOR CONTROL

PROBLEM TO BE SOLVED: To provide a method of monitoring a brushless motor capable of compensating for some sort of drift in output signals during motor operation. SOLUTION: The method comprises the steps of monitoring a current flowing into and out of windings 1, 2, and 3 of a motor 10 by using a cu...

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Bibliographische Detailangaben
Hauptverfasser:	BURTON ANTONY WALTER, WILLIAMS ANDREW JAMES STEPHEN
Format:	Patent
Sprache:	eng
Schlagworte:	CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method of monitoring a brushless motor capable of compensating for some sort of drift in output signals during motor operation. SOLUTION: The method comprises the steps of monitoring a current flowing into and out of windings 1, 2, and 3 of a motor 10 by using a current measuring means 30 and generating an output signal indicating the current and measuring an output of the current measuring means when an instantaneous carrying current flowing through the current measuring means is known to be substantially zero, and generating a correction output signal that compensates for a difference of some sort between an actual measured output signal value and an optimal output signal value. COPYRIGHT: (C)2011,JPO&INPIT