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Observer-Based H-2-Robust Controller for Active Vibration Control of Laminated Composite Plates with an Optimally Placed IDE-PFC Actuator

机译：基于观察者的H-2-Robust控制器，用于通过最佳放置的IDE-PFC执行器对层压复合板进行主动振动控制

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摘要

An attempt is made in this work to develop an observer-based modal H-2-optimal controller for active vibration control of laminated composite plates subjected to external excitation. Collocated piezoelectric patches are used as distributed sensors (polyvinylidene fluoride, PVDF) and actuators (interdigitated electrode-piezofiber composites, IDE-PFC) along with multiple point observers. The structural modal model is developed based on finite-element methodology and is coded in a MATLAB environment. Optimal positioning of the sensor/actuator pairs is evaluated based on the H-2 norm of the sensor/actuator for a few selected structural modes and the piezo patches are accordingly placed. Response analysis is then carried out for both open-and closed-loop systems, and the effectiveness of the developed model is established. Piezoelectric actuation voltage is also calculated based on the closed-loop performance of the developed system. (C) 2015 American Society of Civil Engineers.
机译：在这项工作中，人们试图开发一种基于观察者的模态H-2-最优控制器，用于主动控制外部激励下的叠层复合板的振动。并置的压电贴片与多点观测器一起用作分布式传感器（聚偏二氟乙烯，PVDF）和致动器（指状电极-皮法纤维复合材料，IDE-PFC）。结构模态模型是基于有限元方法开发的，并在MATLAB环境中进行了编码。基于传感器/执行器的H-2规范，针对几种选定的结构模式，评估传感器/执行器对的最佳位置，并相应地放置压电片。然后针对开环和闭环系统进行响应分析，并建立了开发模型的有效性。压电驱动电压也基于所开发系统的闭环性能来计算。 （C）2015年美国土木工程师学会。

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  • 来源
    《Journal of aerospace engineering》 |2016年第3期|04015075.1-04015075.14|共14页
  • 作者

    Ghosh S.; Sahu A.; Bhattacharya P.;

  • 作者单位

    Jadavpur Univ, Dept Civil Engn, Kolkata 700032, India;

    Jadavpur Univ, Dept Civil Engn, Kolkata 700032, India;

    Jadavpur Univ, Dept Civil Engn, Kolkata 700032, India;

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