| 压电自感知柔性悬臂梁振动控制系统研究 |
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| 引用本文： | 缑新科,李大鹏. 压电自感知柔性悬臂梁振动控制系统研究[J]. 压电与声光, 2011, 33(5) |
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| 作者姓名： | 缑新科 李大鹏 |
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| 作者单位： | 1. 兰州理工大学电气工程与信息工程学院,甘肃兰州730050;甘肃省工业过程先进控制重点实验室,甘肃兰州730050
2. 兰州理工大学电气工程与信息工程学院,甘肃兰州,730050 |
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| 摘 要： | 将压电悬臂梁系统离散化的状态空间方程作为预测模型,设计了预测函数控制器.采用电桥电路法分离出压电自感知执行器的感知信号,经过预测函数控制器处理后输出的控制信号作用于自感知执行器,产生相应的执行力来抑制悬臂梁的振动,从而达到振动控制的目的.仿真结果表明,所设计的振动控制系统对柔性悬臂梁振动抑制是非常有效的.
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| 关 键 词： | 压电自感知执行器 电桥电路法 预测函数控制 柔性悬臂梁 振动控制 |
Study on Flexible Cantilever Beam Vibration Control System Based on Piezoelectric Self-sensing Actuator |
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| GOU Xinke,LI Dapeng. Study on Flexible Cantilever Beam Vibration Control System Based on Piezoelectric Self-sensing Actuator[J]. Piezoelectrics & Acoustooptics, 2011, 33(5) |
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| Authors: | GOU Xinke LI Dapeng |
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| Affiliation: | GOU Xinke1,2,LI Dapeng1(1.College of Electrical and Information Engineering,Lanzhou University of Technology,Lanzhou 730050,China,2.Key Lab.of Gansu Advanced Control for Industrial Processes,China) |
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| Abstract: | Regarding the discrete state-space equation as prediction model,the paper designs the predictive functional controller.The sense signal of piezoelectric self-sensing actuator is separated by the bridge circuit.After processing the sense signal with the predictive functional controller,the control signal is outputted to control piezoelectric self-sensing actuator.The stress is produced from the self-sensing actuator to control the flexible cantilever beam vibration.The simulation results show the designed sy... |
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| Keywords: | piezoelectric self-sensing actuator bridge circuit predictive functional control flexible cantilever beam vibration control |
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