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جلد 12 شماره 1 صفحات 47-67 برگشت به فهرست نسخه ها
Integrating Differential Evolution Algorithm with Modified Hybrid GA for Solving Nonlinear Optimal Control Problems
چکیده:  

‎Here‎, ‎we give a two phases algorithm based on integrating differential evolution (DE) algorithm with modified hybrid genetic algorithm (MHGA) for solving the associated nonlinear programming problem of a nonlinear optimal control problem‎. ‎In the first phase‎, ‎DE starts with a completely random initial population where each individual‎, ‎or solution‎, ‎is a random matrix of control input values in time nodes‎. ‎After phase 1‎, ‎to achieve more accurate solutions‎, ‎we increase the number of time nodes‎. ‎The values of the associated new control inputs are estimated by linear or spline interpolations using the curves computed in the phase 1‎. ‎In addition‎, ‎to maintain the diversity in the population‎, ‎some additional individuals are added randomly‎. ‎Next‎, ‎in the second phase‎, ‎MHGA starts by the new population constructed by the above procedure and tries to improve the obtained solutions at the end of phase 1‎. ‎We implement our proposed algorithm on some well-known nonlinear optimal control problems‎. ‎The numerical results show the proposed algorithm can find almost better solution than other proposed algorithms‎.

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نوع مطالعه: كاربردي | موضوع مقاله: تخصصي
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DOI: DOI: 10.7508/ijmsi.2017.01.005


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Nezhadhosein S, Heydari A, Ghanbari R. Integrating Differential Evolution Algorithm with Modified Hybrid GA for Solving Nonlinear Optimal Control Problems. IJMSI. 2017; 12 (1) :47-67
URL: http://ijmsi.ir/article-1-595-fa.html
Integrating Differential Evolution Algorithm with Modified Hybrid GA for Solving Nonlinear Optimal Control Problems. مجله علوم ریاضی و انفورماتیک ایرانیان. 1396; 12 (1) :47-67

URL: http://ijmsi.ir/article-1-595-fa.html

دوره 12، شماره 1 - ( 1-1396 ) برگشت به فهرست نسخه ها
نشریه علوم ریاضی و انفورماتیک Iranian Journal of Mathematical Sciences and Informatics
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