This paper analyzes the error of torque sensor of strain-resistor which derives from the influences of bending moment on elastic axis, and discusses the Eliminating techniques.
本文对在应用应变式扭矩传感器时由于在弹性轴上的弯矩而引起的误差进行了力学分析，并提出了消除的方法。
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The characteristics of this sensor is analysed. It is concluded that for a certain refractive index range, the index of fibre core, the radius of core and bending radius need to be optimized.