| 摘要 |
The alternating current servo motor control circuit for maximizing a motor's efficiency includes a coder having a position information signal generator, a decoder for decoding a position information signal, an edge detector for detecting an edge of the position information signal, a frequency multiplier, a counter, a rotation direction detector, a speed operator, an analog digital converter, a power factor computer for computing a power factor, an adder, a memory, a digital analog converter and a motor driver for generating a motor control signal, thereby getting an efficient control at low cost and improving a control response.
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