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AUT Journal of Mechanical Engineering
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Volume Volume 4 (2020)
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Mahmoodabadi, M., Taherkhorsandi, M. (2020). Intelligent control of biped robots: optimal fuzzy tracking control via multi-objective particle swarm optimization and genetic algorithms. AUT Journal of Mechanical Engineering, 4(2), 183-192. doi: 10.22060/ajme.2019.16171.5808
Mohammad Javad Mahmoodabadi; Milad Taherkhorsandi. "Intelligent control of biped robots: optimal fuzzy tracking control via multi-objective particle swarm optimization and genetic algorithms". AUT Journal of Mechanical Engineering, 4, 2, 2020, 183-192. doi: 10.22060/ajme.2019.16171.5808
Mahmoodabadi, M., Taherkhorsandi, M. (2020). 'Intelligent control of biped robots: optimal fuzzy tracking control via multi-objective particle swarm optimization and genetic algorithms', AUT Journal of Mechanical Engineering, 4(2), pp. 183-192. doi: 10.22060/ajme.2019.16171.5808
Mahmoodabadi, M., Taherkhorsandi, M. Intelligent control of biped robots: optimal fuzzy tracking control via multi-objective particle swarm optimization and genetic algorithms. AUT Journal of Mechanical Engineering, 2020; 4(2): 183-192. doi: 10.22060/ajme.2019.16171.5808

Intelligent control of biped robots: optimal fuzzy tracking control via multi-objective particle swarm optimization and genetic algorithms

Article 3, Volume 4, Issue 2, Summer and Autumn 2020, Page 183-192  XML PDF (773.82 K)
Document Type: Research Article
DOI: 10.22060/ajme.2019.16171.5808
Authors
Mohammad Javad Mahmoodabadi email 1; Milad Taherkhorsandiorcid 2
1Department of Mechanical Engineering, Sirjan University of Technology, Sirjan, Iran.
2Department of Mechanical Engineering, University of Texas at San Antonio, San Antonio, TX 78249, USA.
Abstract
This paper is concerned with fuzzy tracking control optimized via multi-objective particle swarm optimization for stable walking of biped robots. To present an optimal control approach, multi-objective particle swarm optimization (PSO) is used to design the parameters of the control method in comparison to three effectual multi-objective optimization algorithms in the literature, i.e. MATLAB Toolbox MOGA, Modified NSGA II, and the Sigma method. In PSO, a dynamic elimination technique is utilized as a novel approach to prune the archive effectively. Moreover, a turbulence operator is used to skip the local optima and the personal best position of each particle is determined by making use of the Sigma method. Normalized summation of angles errors and normalized summation of control efforts are two conflicting objective functions addressed by dint of multi-objective optimization algorithms in the present investigation. By contrasting the Pareto front of multi-objective particle swarm optimization with the Pareto fronts of MATLAB Toolbox MOGA, Modified NSGA II, and the Sigma method, it is illustrated that multi-objective PSO performs with high accuracy, convergence and diversity of solutions in the design of fuzzy tracking control for nonlinear dynamics of biped robots. Finally, the proper performance of the proposed controller is demonstrated by the results presenting an appropriate tracking system and optimal control inputs. Indeed, the appropriate tracking system and optimal control inputs prove the efficiency of optimal fuzzy tracking control in dealing with the nonlinear dynamics of biped robots.
Keywords
Fuzzy Tracking Control; Optimal Control; Multi-objective Particle Swarm Optimization; Genetic Algorithm Optimization; Biped Robots
Main Subjects
Control of Dynamical System; Design and Control of Robots and Mechanisms
Statistics
Article View: 379
PDF Download: 255
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