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介绍一种模型水轮机机械测功的力矩测试系统,其基本原理是用特殊的控制方法来调节摩擦阻力,使砝码重力与旋转力自动保持平衡。以较高的精度实时地测出旋转力矩。
This paper introduces a torque testing system of model dynamometer mechanical measurement. The basic principle is to adjust the frictional resistance by a special control method so that the weight of gravity and the rotational force are automatically balanced. Rotating torque is measured in real time with high accuracy.