초록 ▼

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

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.

대표청구항 ▼

In a motor drive system operating for feedback control of a motor having one or more coils, the improvement comprising a first interface part comprising a plurality of interfaces according to the kind of host controller for generating command signals; a sensor interface part comprising an interface

In a motor drive system operating for feedback control of a motor having one or more coils, the improvement comprising a first interface part comprising a plurality of interfaces according to the kind of host controller for generating command signals; a sensor interface part comprising an interface of a sensor for detecting rotations of said motor and generating a detection signal; a main control part for generating a control signal to effect feedback control of said motor according to a command signal received from said first interface part and a detection signal received from said sensor interface part; and a power control part for amplifying a current according to said control signal and for feeding the amplified current to said one or more coils of said motor; wherein said first interface part, said sensor interface part, said main control part and said power control part are separate and modularized as cards; and wherein said motor comprises a stator provided with a salient pole with a plurality of teeth formed on a tip thereof; and a rotor with a plurality of teeth formed at positions opposite to said plurality of teeth formed on said salient pole of said stator; and wherein a permanent magnet is provided and wherein said one or more coils and said permanent magnet together generate a magnetic field; and wherein each component of said motor is modularized.