磁流变阻尼器建模及阻尼力跟踪控制实验研究

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振动与冲击 ›› 2024, Vol. 43 ›› Issue (12) : 260-265.

论文

磁流变阻尼器建模及阻尼力跟踪控制实验研究

张记杨1，张泽1，崔龙2，杜昊1

作者信息 +

An experimental study on modelling and damping force tracking control of a magnetorheological damper

ZHANG Jiyang1, ZHANG Ze1, CUI Long2 , DU Hao1

Author information +

文章历史 +

摘要

为了提升磁流变阻尼器阻尼力跟踪控制的精度，采用向量加权平均算法（INFO）和贝叶斯非线性回归（BP）网络分别建立阻尼器的正向和逆向动力学模型；构建前馈逆模型与模糊控制反馈相结合的复合控制策略来实现半主动阻尼力跟踪控制。开展实验比较逆模型前馈控制与复合控制策略的跟踪效果以及复合控制策略在各个频率段的跟踪适用性。结果表明，复合控制策略能够达到较好的跟踪效果且比前馈逆模型控制策略的跟踪精度提高了6.4%；复合控制策略在0-7Hz的频率段逼近精度基本在95%以上；在7-10Hz，也能达到85%以上的逼近精度，验证了力跟踪控制算法的有效性。

Abstract

In order to improve the accuracy of damping force tracking control of magnetorheological damper, the forward and inverse dynamic models of magnetorheological fluid damper are established by using vector weighted average algorithm (INFO) and Bayesian nonlinear regression (BP) network respectively. The compound control strategy of feedforward inverse model and fuzzy control feedback is constructed, and the semi-active tracking control of damping force is realized. The tracking effects of inverse model feedforward control and compound control strategy and the tracking applicability of compound control strategy in each frequency band are compared by experiments. The results show that the compound control strategy can achieve better tracking effect, and the tracking accuracy is 6.4% higher than that of the feedforward inverse model control strategy; the approximation accuracy of the composite control strategy is more than 95% in the 0-7 Hz frequency band; in the 7-10 Hz frequency band, it can also achieve 85% approximation accuracy, which verifies the effectiveness of the force tracking control algorithm.

导出引用

张记杨1, 张泽1, 崔龙2, 杜昊1. 磁流变阻尼器建模及阻尼力跟踪控制实验研究[J]. 振动与冲击, 2024, 43(12): 260-265

ZHANG Jiyang1, ZHANG Ze1, CUI Long2, DU Hao1. An experimental study on modelling and damping force tracking control of a magnetorheological damper[J]. Journal of Vibration and Shock, 2024, 43(12): 260-265

参考文献

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