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Paper Information

Journal:   INTERNATIONAL JOURNAL OF ENGINEERING   SEPTEMBER 2012 , Volume 25 , Number 3 (TRANSACTIONS C: ASPECTS); Page(s) 197 To 204.
 
Paper: 

CONSTRAINED NONLINEAR OPTIMAL CONTROL VIA A HYBRID BA-SD

 
 
Author(s):  ALFI A.*, KHOSRAVI A.
 
* FACULTY OF ELECTRICAL AND ROBOTIC ENGINEERING, SHAHROOD UNIVERSITY OF TECHNOLOGY, SHAHROOD, IRAN
 
Abstract: 

The non-convex behavior presented by nonlinear systems limits the application of classical optimization techniques to solve optimal control problems for these kinds of systems. This paper proposes a hybrid algorithm, namely BA-SD, by combining Bee algorithm (BA) with steepest descent (SD) method for numerically solving nonlinear optimal control (NOC) problems. The proposed algorithm includes the merits of BA and SD simultaneously. The motivation of presenting the proposed algorithm includes that BA is showed to converge to the region that global optimum is settled, rapidly during the initial stages of its search. However, around global optimum, the search process will become slowly. In contrast, SD method has low ability to convergence to local optimum, but it can achieve faster convergent speed around global optimum and the convergent accuracy can be higher. In the proposed algorithm, at the beginning step of search procedure, BA is utilized to find a near optimum solution. In this case, the hybrid algorithm is used to enhance global search ability. When the change in fitness value is smaller than a predefined value, the searching procedure is switched to SD to accelerate the search procedure and find an accurate solution. In this way, the algorithm finds an optimum solution more accurately. Simulations demonstrate the feasibility of the proposed algorithm.

 
Keyword(s): CONSTRAINED OPTIMIZATION, SWARM INTELLIGENCE, BEES ALGORITHM, STEEPEST DESCENT, DIFFERENTIAL EVOLUTION, GENETIC ALGORITHM
 
 
References: 
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Citations: 
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APA: Copy

ALFI, A., & KHOSRAVI, A. (2012). CONSTRAINED NONLINEAR OPTIMAL CONTROL VIA A HYBRID BA-SD. INTERNATIONAL JOURNAL OF ENGINEERING, 25(3 (TRANSACTIONS C: ASPECTS)), 197-204. https://www.sid.ir/en/journal/ViewPaper.aspx?id=275533



Vancouver: Copy

ALFI A., KHOSRAVI A.. CONSTRAINED NONLINEAR OPTIMAL CONTROL VIA A HYBRID BA-SD. INTERNATIONAL JOURNAL OF ENGINEERING. 2012 [cited 2021July26];25(3 (TRANSACTIONS C: ASPECTS)):197-204. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=275533



IEEE: Copy

ALFI, A., KHOSRAVI, A., 2012. CONSTRAINED NONLINEAR OPTIMAL CONTROL VIA A HYBRID BA-SD. INTERNATIONAL JOURNAL OF ENGINEERING, [online] 25(3 (TRANSACTIONS C: ASPECTS)), pp.197-204. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=275533.



 
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