MOTOR CONTROL DEVICE

A motor control device includes a movement command generator that outputs a movement command of a motor, a filter that performs filter processing of the movement command and outputs the filtered movement command, and a position controller that performs a position control of the motor. The filter is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HASHIMOTO, Atsumi, YAMAMOTO, Ryosuke, NAKATA, Hiroyuki, HONUCHI, Yasuyoshi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GENERATION MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING
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Beschreibung
Zusammenfassung:	A motor control device includes a movement command generator that outputs a movement command of a motor, a filter that performs filter processing of the movement command and outputs the filtered movement command, and a position controller that performs a position control of the motor. The filter is an infinite impulse response digital filter that is represented by a transfer function H(z) : H(z)=(b0+b1¢z -1 +b2¢z -2 )/{1-(a1¢z -1 +a2¢z -2 )} with filter coefficients a1, a2, b0, b1, and b2. The filter is configured to change the filter coefficient b0 in a first sample period, to change the filter coefficients a1 and b1 in a second sample period which follows the first sample period, and to change the filter coefficients a2 and b2 in a third sample period which follows the second sample period.