Abstract
It is very difficult to eliminate the mechanical hysteresis for positioning lnechanism. Weneed the allowable mechanical hysteresis magnitude, when we improve the mechanism performance.So that it has been proposed the evaluation methods of mechanical hysteresis influences on dynamic performance using the mechanical hysteresis test unit. In this report, these methodsare expanded to apply for positioning mechanism with reducer, which the mechanism includesthe mechanical hysteresis characteristics in these control system. Especially, the Amm parameter is newly defined to evaluate the influence on the system stability. And then it is testedand evaluated the closed looP Positioning mechanism system with the “No-backlash Gearing” reducer and the “Mechanical Hysteresis Test Unit”. It is proved that it can be quantified theseallowable mechanical hysteresis magnitude as like as the only Mechanical Hysteresis Test Unitcharacteristics.
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