On active vibration suppression of a piezoelectric beam

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Abstract

Piezoelectric beam's dynamics are characterized by elastic properties, nonlinearities, uncertain dynamics and unknown disturbances, making it a challenging control problem. In this paper, a method of Active Disturbance Rejection Control (ADRC) for piezoelectric beam control is proposed. Unique to this approach, the complex piezoelectric beam dynamics, known or unknown, linear or nonlinear, and all external disturbances are treated in their totality as an input disturbance, and is subsequently estimated and canceled. Simulation and experimental results in this paper demonstrate the significant advancement of the ADRC as an easier, simpler and better control method that is ready to be deployed in practice. © 2013 AACC American Automatic Control Council.
Original languageEnglish
Title of host publicationProceedings of the American Control Conference
Place of Publicationusa
Pages6613-6618
Number of pages6
StatePublished - Sep 11 2013
Event2013 1st American Control Conference, ACC 2013 - , United States
Duration: Jun 17 2013Jun 19 2013

Conference

Conference2013 1st American Control Conference, ACC 2013
Country/TerritoryUnited States
Period06/17/1306/19/13

Keywords

  • active disturbance rejection control
  • extended state observer
  • piezoelectric beam control

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