Research on 3D Photoelectric Torque Sensor with High Integration


For 3D (three dimensions) photoelectric torque sensor with high Integration, there are two problems. One is the optimization of the layout of multi-measurement units, the other is mismatch of stiffness among the dimensions. According to optimize the layout of multi-measurement units, a scheme is proposed, which is based on the method of dividing into two groups, horizontal and vertical, and differential layout. According to mismatch stiffness among the dimensions, a solution is proposed, which is "turn straight beams into curved". First of all, the layout of multi-measurement units was designed. By means of dividing into two groups, the coupling among the dimensions is reduced, and partial coupling is eliminated by differential layout. At the same time, improve the anti-noise and reduce drift on temperature. Then, elastic element based on cross beam was designed. To solve mismatch of stiffness among the dimensions, cartesian curve replaced straight to design beams. Through finite element analysis, result shows "turn straight beams into curved" can optimize to match stiffness among the dimensions, reduce the maximum stress and improve reliability

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Shenyang Institute of Automation,Chinese Academy Of Sciences

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oaioai:ir.sia.cn/:173321/21242Last time updated on 2/12/2018

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