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Synthesis Optimization of Piezo Driven Four Bar Mechanism Using Genetic Algorithm

Laith Sawaqed1, Khaled S. Hatamleh1,2, Mohammad A. Jaradat1,2, Qais Khasawneh1,3

1 Mechanical Engineering Department, Jordan University of Science & Technology, P.O.Box 3030 Irbid, Jordan,,
2 Mechanical Engineering Department, American University of Sharjah, P.O. Box (2666) Sharjah, UAE,
3 Electromechanical Engineering technology department, Institute of Applied Technology, Abu-Dhabi, UAE

* Corresponding Author: Laith Sawaqed,

Intelligent Automation & Soft Computing 2018, 24(3), 507-515.


Over the past few years, there has been a growing demand to develop efficient precision mechanisms for fine moving applications. Therefore, several piezoelectric driven mechanisms have been proposed for such applications. In this work an optimal synthesis of a four-bar mechanism with three PEAs is proposed. Two evolutionary multi-objective Genetic Algorithms (GAs) are formulated and applied; A Genetic Algorithm Synthesis method (GAS) is first used to obtain a synthesis solution for the mechanism regardless of power consumption. Then another Genetic Algorithm Minimum Power Synthesis method (GAMPS) is used to obtain the synthesis solution of minimum power consumption. For that purpose, the study performs simulation investigation of the aforementioned algorithms for each point along sinusoidal and kidney shaped paths of motion. Results show capability of both methods in obtaining a synthesis solution. However, GAMPS outperformed GAS in terms of driving power consumption as it is minimized by 99% ratio.


Cite This Article

L. Sawaqed, . K. S. Hatamleh, . M. A. Jaradat and . Q. Khasawneh, "Synthesis optimization of piezo driven four bar mechanism using genetic algorithm," Intelligent Automation & Soft Computing, vol. 24, no.3, pp. 507–515, 2018.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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