考虑公差的扭转动力吸振器不确定性优化设计

Uncertain Optimization of Torsional Vibration Damper Considering Tolerant Design

建立了带扭转动力吸振器的动力传动系统模型,考虑了动力传动系统与后桥的耦合作用,推导了带扭转动力吸振器的动力传动系统振动动力学方程;对扭转动力吸振器的影响进行研究,分析了加入扭转动力吸振器后动力传动系统自由振动和强迫振动性能的变化及其原因;将区间不确定性优化模型引入动力传动系统振动分析中,保证了不同制造条件和使用工况下扭转动力吸振器均能最大程度发挥其作用,且允许扭转动力吸振器参数存在宽松的设计公差。

The driveline model with torsional vibration damper was build and the relationship of driveline and rear axle were considered in this model.The vibration equation of the model was formulated.The influence of torsional vibration damper on the free and forced vibration of driveline was systematically studied. The interval uncertain optimization model was introduced to the driveline vibration analysis.With the presented method,the torsional vibration damper can play its role effectively in different manufacture and use conditions with greater tolerances.