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   intelligent control of biped robots: optimal fuzzy tracking control via multi- objective particle swarm optimization and genetic algorithms  
   
نویسنده mahmoodabadi m.j. ,taherkhorsandi m.
منبع aut journal of mechanical engineering - 2020 - دوره : 4 - شماره : 2 - صفحه:183 -192
چکیده    This paper is concerned with fuzzy tracking control optimized via multiobjective particle swarm optimization for stable walking of biped robots. to present an optimal control approach, multiobjective particle swarm optimization is used to design the parameters of the control method     in comparison to three effectual multiobjective optimization algorithms in the literature. in particle swarm optimization, 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 multiobjective optimization algorithms in the present investigation. by contrasting the pareto front of multiobjective particle swarm optimization with the pareto fronts of other methods, it is illustrated that multiobjective particle swarm optimization 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.
کلیدواژه fuzzy tracking control ,multi-objective optimization ,particle swarm optimization ,genetic algorithm optimization ,biped robots
آدرس sirjan university of technology, department of mechanical engineering, iran, university of texas at san antonio, department of mechanical engineering, usa
پست الکترونیکی milad.taherkhorsandi@utsa.edu
 
     
   
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