Abstract：By combining the idea of PID control and consensus control algorithm, a new consensus-PID (CPID) control algorithm has been proposed, which was used for vibration control of the piezoelectric smart structures. In this new approach, the inputs of PID controllers were the system output errors. Taking as the outputs of PID controllers and their variations in the sampling period were the inputs of the consensus controller. The input voltages of each actuator were the outputs of the consensus controller. The vibration control equations of piezoelectric smart structures were derived from the finite element dynamic equations of a linear elastic piezoelectric smart structure. The CPID control algorithm was numerically investigated for a smart structure, i.e., a piezoelectric smart beam that was simply supported at its both sides. The finite element model of a piezoelectric smart beam for vibration control was established by ANSYS. Numerical results demonstrated that the CPID control law can successfully control the vibration of the piezoelectric smart structure. Comparing with the centralized PID control algorithm, the new CPID control approach can maintain higher performance to vibration control in the system of piezoelectric smart structure, even though some sensors failed.
收稿日期: 2016-04-18
出版日期: 2017-11-15
引用本文:
白亮 冯蕴雯 薛小锋. 压电智能结构振动的一致性PID(CPID)控制[J]. 振动与冲击, 2017, 36(22): 192-198.
BAI Liang，FENG Yun-Wen,XUE Xiao-Feng. Consensus PID (CPID) control algorithm for vibration control of piezoelectric smart structures. JOURNAL OF VIBRATION AND SHOCK, 2017, 36(22): 192-198.
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