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Active Vibration Control Of Plate Structure Using Electromagnetic Transducer Based On H_∞ Optimized Positive Position Feedback

Title: Active Vibration Control Of Plate Structure Using Electromagnetic Transducer Based On H_∞ Optimized Positive Position Feedback

Research Paper (postgraduate) , 2015 , 18 Pages

Autor:in: Zhonghui Wu (Author)

Engineering - Computer Engineering
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Summary Excerpt Details

In this paper active vibration control (AVC) methodology is presented by the author using self-sensing magnetic transducers for a flexible plate structure. H_∞ Optimized positive position feedback (HOPPF) controller is tested and verified for multi-modes multi-input-multi-output (MIMO) vibration suppression through simulation and experiment implement. Genetic algorithm (GA) searching is applied to obtain the optimal parameters of the controllers according to the minimization criterion solution to the H_∞ norm of the whole closed-loop system.

Excerpt


Table of Contents

  • Abstract
  • 1. Introduction
  • 2. Flexible Plate Structure Modeling
    • 2.1 Experimental Model
    • 2.2 Analytical Model
    • 2.3 Modal Analysis
    • 2.4 Numerical Model
    • 2.5 Simulation Model of The Plate
  • 3. Multi-modes MIMO HOPPF
    • 3.1 PPF Controller
    • 3.2. Multi-modes MIMO HOPPF Controller Parameter Selection
  • 4. Simulation
  • 5. Experiment
  • 6. Summary
  • Acknowledgement
  • Conflict of interest statement
  • References

Objectives and Key Themes

This paper investigates the application of active vibration control (AVC) using self-sensing magnetic transducers to mitigate vibrations in a flexible plate structure. The study focuses on implementing and validating a H∞ Optimized Positive Position Feedback (HOPPF) controller for multi-mode, multi-input-multi-output (MIMO) vibration suppression using both simulation and experimental methods. Genetic Algorithm (GA) optimization is employed to determine optimal controller parameters based on minimizing the H∞ norm of the closed-loop system.

  • Active Vibration Control (AVC) of flexible plate structures
  • Self-sensing magnetic transducers
  • H∞ Optimized Positive Position Feedback (HOPPF) controller
  • Multi-mode, Multi-Input-Multi-Output (MIMO) vibration suppression
  • Genetic Algorithm (GA) optimization for controller parameter selection

Chapter Summaries

The paper begins by introducing the challenges of unwanted vibration in lightweight structures and outlines the need for vibration control methods. It then presents an overview of existing vibration control techniques, including modal control, independent modal space control (IMSC), resonant control, and Positive Position Feedback (PPF). The paper highlights the advantages of PPF and its application in various studies.

Chapter 2 focuses on modeling the flexible plate structure. It describes the experimental setup, which includes a thin plate mounted with electromagnetic transducers. The chapter also presents the analytical model of the thin plate and explores the derivation of the partial differential equation (PDE) that governs its transverse vibration. The chapter concludes with a discussion of modal analysis and its application to solve the PDE.

Chapter 3 introduces the multi-mode MIMO HOPPF controller and details the PPF controller design. It also explains the process of selecting optimal controller parameters using the Genetic Algorithm (GA) based on H∞ optimization criteria.

Keywords

The main keywords and focus topics of this research include H∞ Optimized Positive Position Feedback, Multi-Input-Multi-Output, Genetic Algorithm, and Active Vibration Control. These terms represent the core concepts and methodologies employed in the study of vibration suppression in flexible plate structures using self-sensing magnetic transducers.

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Details

Title
Active Vibration Control Of Plate Structure Using Electromagnetic Transducer Based On H_∞ Optimized Positive Position Feedback
College
Flinders University  (School of Computer Science, Engineering and Mathematics, Faculty of Science and Engineering)
Course
Master of engineering by research
Author
Zhonghui Wu (Author)
Publication Year
2015
Pages
18
Catalog Number
V323077
ISBN (eBook)
9783668229518
ISBN (Book)
9783668229525
Language
English
Tags
active vibration control plate structure using electromagnetic transducer based optimized positive position feedback
Product Safety
GRIN Publishing GmbH
Quote paper
Zhonghui Wu (Author), 2015, Active Vibration Control Of Plate Structure Using Electromagnetic Transducer Based On H_∞ Optimized Positive Position Feedback, Munich, GRIN Verlag, https://www.grin.com/document/323077
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