A new method for a piezoelectric energy harvesting system using a backtracking search algorithm-based pi voltage controller

Mahidur R. Sarker, Azah Mohamed, Ramizi Mohamed

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This paper presents a new method for a vibration-based piezoelectric energy harvesting system using a backtracking search algorithm (BSA)-based proportional-integral (PI) voltage controller. This technique eliminates the exhaustive conventional trial-and-error procedure for obtaining optimized parameter values of proportional gain (Kp), and integral gain (Ki) for PI voltage controllers. The generated estimate values of Kp and Ki are executed in the PI voltage controller that is developed through the BSA optimization technique. In this study, mean absolute error (MAE) is used as an objective function to minimize output error for a piezoelectric energy harvesting system (PEHS). The model for the PEHS is designed and analyzed using the BSA optimization technique. The BSA-based PI voltage controller of the PEHS produces a significant improvement in minimizing the output error of the converter and a robust, regulated pulse-width modulation (PWM) signal to convert a MOSFET switch, with the best response in terms of rise time and settling time under various load conditions.

Original languageEnglish
Article number171
JournalMicromachines
Volume7
Issue number10
DOIs
Publication statusPublished - 23 Sep 2016

Fingerprint

Energy harvesting
Controllers
Electric potential
Pulse width modulation
Vibrations (mechanical)
Switches

Keywords

  • Controller
  • Energy harvesting
  • Low voltage
  • Micro devices
  • Optimization

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

A new method for a piezoelectric energy harvesting system using a backtracking search algorithm-based pi voltage controller. / Sarker, Mahidur R.; Mohamed, Azah; Mohamed, Ramizi.

In: Micromachines, Vol. 7, No. 10, 171, 23.09.2016.

Research output: Contribution to journalArticle

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