Journal
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
Volume 12, Issue 5, Pages 849-858Publisher
ELSEVIER
DOI: 10.1016/j.cnsns.2005.06.005
Keywords
Muskingum model; Global optimization; Gray-encoded genetic algorithm; Accelerating convergence
Categories
Funding
- National Key Project for Basic Research [2003CB415204]
- Chinese National High-Tech Research Program [2003AA601060]
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In order to reduce the computational amount and improve the computational precision for parameter optimization of Muskingum model, a new algorithm, Gray-encoded accelerating genetic algorithm (GAGA) is proposed. With the shrinking of searching range, the method gradually directs to an optimal result with the excellent individuals obtained by Gray genetic algorithm (GGA). The global convergence is analyzed for the new genetic algorithm. Its efficiency is verified by application of Muskingum model. Compared with the nonlinear programming methods, least residual square method and the test method, GAGA has higher precision. And compared with GGA and BGA (binary-encoded genetic algorithm), GAGA has rapider convergent speed. (C) 2005 Elsevier B.V. All rights reserved.
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