Abstract
In this paper, a two stage optimization technique is presented for optimum design of planar slider-crank mechanism. The slidercrank mechanism needs to be dynamically balanced to reduce vibrations and noise in the engine and to improve the vehicle performance. For dynamic balancing, minimization of the shaking force and the shaking moment is achieved by finding optimum mass distribution of crank and connecting rod using the equimomental system of point-masses in the first stage of the optimization. In the second stage, their shapes are synthesized systematically by closed parametric curve, i.e., cubic B-spline curve corresponding to the optimum inertial parameters found in the first stage. The multi-objective optimization problem to minimize both the shaking force and the shaking moment is solved using Teaching-learning-based optimization algorithm (TLBO) and its computational performance is compared with Genetic algorithm (GA).
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Recommended by Associate Editor Cheolung Cheong
Kailash Chaudhary received B.E. from University of Rajasthan Jaipur and M.E. from Jai Narain Vyas University Jodhpur both in Mechanical Engineering. He is currently a Ph.D. scholar in Mechanical Engineering department at Malaviya National Institute of Technology Jaipur, India. His research area is dynamic balancing and shape optimization of planar mechanisms.
Himanshu Chaudhary is an Associate Professor in Mechanical Engineering at Malaviya National Institute of Technology Jaipur (Rajasthan, India). He received his B.E. from Rajasthan Technical University Kota (erstwhile Engineering College Kota) and M.Tech. from Indian Institute of Technology (IIT) Kanpur both in Mechanical Engineering. He received his Ph.D. from Indian Institute of Technology (IIT) Delhi in 2007. His research interests include Multibody System Dynamics, Dynamic Balancing and Optimization of Machines and Mechanisms including Robotic Systems.
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Chaudhary, K., Chaudhary, H. Optimal design of planar slider-crank mechanism using teaching-learning-based optimization algorithm. J Mech Sci Technol 29, 5189–5198 (2015). https://doi.org/10.1007/s12206-015-1119-5
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DOI: https://doi.org/10.1007/s12206-015-1119-5