no code implementations • 1 Mar 2018 • Bei Pang, Zhigang Ren, Yongsheng Liang, An Chen
As for the nonseparable sub-problems, the surrogate models are employed to evaluate the corresponding sub-solutions, and the original simulation model is only adopted to reevaluate some good sub-solutions selected by surrogate models.
no code implementations • 1 Mar 2018 • An Chen, Yi-Peng Zhang, Zhigang Ren, Yongsheng Liang, Bei Pang
On the one hand, by reducing the sensitivity of the indicator in DG to the roundoff error and the magnitude of contribution weight of subcomponent, we proposed a new indicator for two variables which is much more sensitive to their interaction.
no code implementations • 1 Mar 2018 • Yongsheng Liang, Zhigang Ren, Bei Pang, An Chen
As a model-based evolutionary algorithm, estimation of distribution algorithm (EDA) possesses unique characteristics and has been widely applied to global optimization.
no code implementations • 27 Feb 2018 • Zhigang Ren, Bei Pang, Yongsheng Liang, An Chen, Yi-Peng Zhang
It has been shown that cooperative coevolution (CC) can effectively deal with large scale optimization problems (LSOPs) through a divide-and-conquer strategy.