Motor drive system
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United States of America Patent
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-
Apr 30, 1991
Grant Date -
N/A
app pub date -
Jul 6, 1989
filing date -
Jul 20, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A motor drive system used with industrial robots, processing machines, and the like comprising an external interface part ready for connecting a plurality of kinds of host controllers generating a command signal; a sensor interface part to which a motor rotation detecting sensor is connected; a main control part operating for feedback control of a motor according to signals provided by way of the interfaces; and a power amplification part for feeding a current to motor coils according to a control signal from the main control part and wherein the external interface part, the sensor interface part, the main control part, and the power amplification part are separate and modularized as cards. Advantageously, the various controllers, sensors and power systems are changeable to flexibly meet different user requirements.
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