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FPGA实现正交编码器控制电路

更新时间：2019-12-28 17:56:12 大小：2M 上传用户：xuzhen1查看TA发布的资源 标签：fpga正交编码器 下载积分：0分 评价赚积分 （如何评价?） 打赏 收藏 评论(0) 举报

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FPGA实现正交编码器控制电路

In high-performance digital motor control systems with wide speed control range, certain interface integrated circuits(ICs) are still required through which to get the motor feedback position or speed signals, although sensorless control has got much attention recently [1].

There are many types of motor scnsors, such as tachometers, potentiometers, resolvers, and optical encoders, for getting the motor rotation angle or speed.

Among them, the optical encoder is the most commonly used because its output signal is digital with high noise immunity and high resolution.

There are three types of optical encoder commonly used in motion control. They are clockwise/counterclockwise(CW/CCW), pulse direction

(pulse/DIR), and quadrature A/B phase. Among them, the last one is the most popular because it can produce 4-time rate resolution.

Over the past two decades, mostly the digital motor control was done by using microprocessors


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