The influence of polygon effect on the displacement error of timing belt linear transmission was analyzed, and an error expression was obtained.
分析了多边形效应对同步带直线传动移动误差的影响，得出误差计算的表达式。
Big error occurs when such plastic strain is simplified as the linear function of displacement.
若将其应变简化为位移的线性表达式，则存在着很大的误差。
Due to the non linear error and micro-displacement, its application is limited.
但压电陶瓷的非线性误差与位移量小，一直影响其应用范围的扩大。
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