An Inversion-free Fuzzy Predictive Control for Piezoelectric Actuators
Liu WC(刘伟川); Cheng L(程龙); Wang HM(王洪明); Hou ZG(侯增广); Tan M(谭民); long cheng
2015
会议名称2015 27th Chinese Control and Decision Conference
会议录名称中国青岛
会议日期2015-5-23至2015-5-25
会议地点中国青岛
摘要
Piezoelectric actuators (PEAs) are treated as the core component in the nano-posistioning applications. The
inherent hysteresis nonlinearity can dramatically degrade the tracking performance of PEAs. This paper presents an
inversion-free fuzzy predictive controller of the parallel distributed structure. A Takagi-Sugeno (T-S) based fuzzy model
of PEAs is developed first. With the aid of T-S based fuzzy model, explicit predictive control law can be obtained for
each fuzzy rule. Then these predictive control laws are combined by fuzzy inference to generate the overall predictive
controller. By the proposed method, the inverse hysteresis model of PEAs is no longer required. A notable feature of the
proposed method is that the predictive control law can be obtained before the real-time control of PEAs. Therefore, the
on-line computational burden is quite low, leading to a good tracking performance in the high frequency working conditions.
Experiments are conducted on a commercial PEA to verify the proposed method. Experiment results show that
the proposed method has a satisfactory tracking performance in both the low and high frequency conditions. Comparison
results illustrate that the proposed method outperforms some existing approaches such as the inversion-based method and
sliding mode control method.
关键词Piezoelectric Actuators Hysteresis Fuzzy Modeling Model Predictive Control
文献类型会议论文
条目标识符http://ir.ia.ac.cn/handle/173211/11668
专题复杂系统管理与控制国家重点实验室_先进机器人
通讯作者long cheng
推荐引用方式
GB/T 7714
Liu WC,Cheng L,Wang HM,et al. An Inversion-free Fuzzy Predictive Control for Piezoelectric Actuators[C],2015.
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