Amended Disturbance Observer Compensation-Based Vibration Control for an All-Clamped Stiffened Plate

  • Shengquan Li
  • Juan Li
  • Jiawei Zhou
  • Yanqiu Shi
  • Shenghua Yuan
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10639)

Abstract

The design of an acceleration sensor based active vibration control for an all-clamped stiffened panel with boned piezoelectric patches is studied. The unmodeled error, harmonic effect and acceleration sensor noise, which degrade the performance of the system or even induce instability in real vibration control system, are considered. An amended disturbance observer plus linear feedback control strategy is developed to suppress these defects. First, the unmodeled error of the current controlled mode, harmonic effects, uncontrolled mode effects and high-frequency measurement noise, etc., are regarded as the lumped disturbances which can be estimated by the disturbance observe (DO), and the estimated value is used for the feed-forward compensation design. Then, a PID controller combing the acceleration sensor feedback is employed for the feedback design. A rigorous analysis is also given to show why the DO can effectively suppress the lumped disturbances. In order to verify the proposed algorithm, the dSPACE real-time simulation platform is used and an experimental platform for the all-clamped stiffened panel smart piezoelectric structure active vibration control is set up. The experimental results demonstrate the effectiveness, practicality and strong anti-disturbance ability of the proposed control strategy.

Keywords

Active vibration control Disturbance observer Stiffened plate Piezoelectric actuator 

Notes

Acknowledgments

This work was supported in part by the National Natural Science Foundation of China (Grant nos. 51405428, 61773335), Natural Science Foundation of Jiangsu Province (Grant nos. BK20140490, BK20171289), the Open Project Program of Ministry of Education Key Laboratory of Measurement and Control of CSE, (Grant nos. MCCSE2015A01 and MCCSE2016A01)

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Shengquan Li
    • 1
  • Juan Li
    • 1
    • 2
  • Jiawei Zhou
    • 1
  • Yanqiu Shi
    • 1
  • Shenghua Yuan
    • 1
  1. 1.School of Hydraulic, Energy and Power EngineeringYangzhou UniversityYangzhouChina
  2. 2.Key Laboratory of Measurement and Control of Complex Systems of Engineering, Ministry of EducationSoutheast UniversityNanjingChina

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