?According to the requirement of rotor speed test during the dynamic balancing process,a computer assistant testing(CAT) method which utilizes PC and Hall sensor to test the rotor speed on-line is introduced.

• 根据动平衡过程中对转子转速测量的要求,介绍了一种采用PC机和霍尔元件对转速进行实时检测的计算机辅助测试方法。