一种高精度数字式带传动试验机转速测量电路

Dogotal Circuit of Motor Speed Measurement on the Belt Driven Machine

在详细分析目前常用的三种数字式测速方法的基础上,提出了一种新型数字式测速电路,并对其电路原理图的设计及软件流程的编制给出了详细说明。该测速电路已经成功地运用于带传动试验机滑差率的测量,结果表明该测速电路能够实现宽范围、高精度的转速测量,具有较好的应用前景。

A novel digital circuit of motor speed measurement is designed on the base of analyzing three methods of speed measurement.This paper describes the design of circuit principle and software in detail.This digital circuit has been applied into testing system of belt driven machine.The experimental results show that the circuit will be widely used, the measuring speed range wide and the accuracy high.