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Frequency domain identification of a tapered beam embedded by piezoelectric layer

Banazadeh, A ; Sharif University of Technology | 2017

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  1. Type of Document: Article
  2. DOI: 10.1109/ICAMechS.2016.7813466
  3. Publisher: IEEE Computer Society , 2017
  4. Abstract:
  5. This study is conducted aiming to identify the dynamics of a tapered beam, embedded by piezoelectric layer. Narrowing the tip of the beam equipped with piezoelectric patches leads to optimize the output power after excitation by the frequency sweep input. An accelerometer is installed on the beam base, which measures the acceleration that is applied to the system. Piezoelectric sensors also measure the generated voltage. The experimental test data is handled through CIFER software, using Fourier transform and Bode plot in the frequency domain, to obtain appropriate transfer functions. MATLAB is used for nonlinear simulation and validation of discrete transfer functions by a set of data that is different from the identification data and the error value is computed. Least square estimator and ARX1 function are also employed in order to evaluate the derived transfer function in time domain. © 2016 IEEE
  6. Keywords:
  7. CIFER software ; Frequency domain identification ; Piezoelectric layer ; Tapered beam ; Frequency domain analysis ; MATLAB ; Piezoelectric devices ; Piezoelectricity ; Software testing ; Discrete transfer functions ; Frequency-domain identification ; Least square estimators ; Nonlinear simulations ; Piezoelectric layers ; Piezoelectric patch ; Piezoelectric sensors ; Transfer functions
  8. Source: 2016 International Conference on Advanced Mechatronic Systems, ICAMechS 2016, 30 November 2016 through 3 December 2016 ; 2017 , Pages 312-317 ; 23250682 (ISSN); 9781509053469 (ISBN)
  9. URL: https://ieeexplore.ieee.org/document/7813466