Full Text:   <4093>

CLC number: TU991.33

On-line Access: 2007-01-18

Received: 2007-08-23

Revision Accepted: 2007-11-01

Crosschecked: 0000-00-00

Cited: 13

Clicked: 6489

Citations:  Bibtex RefMan EndNote GB/T7714

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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.3 P.391-400


Multi-objective optimization of water supply network rehabilitation with non-dominated sorting Genetic Algorithm-II

Author(s):  Xi JIN, Jie ZHANG, Jin-liang GAO, Wen-yan WU

Affiliation(s):  School of Municipal and Environment Engineering, Harbin Institute of Technology, Harbin 150090, China; more

Corresponding email(s):   jinxi1978@126.com

Key Words:  Water supply system, Water supply network, Optimal rehabilitation, Multi-objective, Non-dominated sorting Genetic Algorithm (NSGA)

Xi JIN, Jie ZHANG, Jin-liang GAO, Wen-yan WU. Multi-objective optimization of water supply network rehabilitation with non-dominated sorting Genetic Algorithm-II[J]. Journal of Zhejiang University Science A, 2008, 9(3): 391-400.

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Through the transformation of hydraulic constraints into the objective functions associated with a water supply network rehabilitation problem, a non-dominated sorting Genetic Algorithm-II (NSGA-II) can be used to solve the altered multi-objective optimization model. The introduction of NSGA-II into water supply network optimal rehabilitation problem solves the conflict between one fitness value of standard genetic algorithm (SGA) and multi-objectives of rehabilitation problem. And the uncertainties brought by using weight coefficients or punish functions in conventional methods are controlled. And also by introduction of artificial inducement mutation (AIM) operation, the convergence speed of population is accelerated; this operation not only improves the convergence speed, but also improves the rationality and feasibility of solutions.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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