本文提出一种模糊遗传算法的优化设计方法，能够迅速找到全局最优解，并加快收敛速度和减少计算工作量。
A new optimal design based on fuzzy genetic algorithms is proposed in this paper, which can help to find the optimal value overall situation and reduce the calculating work.
对于高度非线性的城市污水处理厂区间数优化设计模型（IPODM） ，若采用传统的方法求解，不仅计算繁琐，且难以有效地寻找全局最优解。
As we know, classic optimization techniques are not only troublesome in calculation, but also low efficient for the highly non-linear interval parameter optimal design model (IPODM).
本文提出了一种在光学自动设计中寻求全局最优化的新方法：随机制抽样法。
Exploring an approach to the search fot global minmum in the multidimensional design space of a lens design with the method of random sampling is presented in the paper.
因此，对衡重式挡土墙的设计进行优化，得到满足各种条件的全局最优解，就显得比较重要。
Therefore, optimizing weight retaining wall design to meet the global optimal solution becomes more important.
工程实践表明，已不能通过单从电主轴单元或变频器单元的设计与优化来实现系统整体性能指标的最优化，而需要从机电全局角度来设计与优化变频调速系统。
Enigeering practices indicated that can't achieve optimization of the system overall performance only by improving the motorized -spindle or the frequency changer, but needing improving both.
介绍了一种新的优化设计方法——模拟退火算法，其突出的优点是可以求得全局最优解。
The outstanding advantage of SA is that it can find the global optimum solution.
数值计算结果表明，此法不但收敛速度快、精度高、可靠性好，而且还具有程序结构简单，能获得全局最优解等特点，是弹簧优化设计的一种实用方法。
Results show that it is featured by advantages such as good convergence at high speed, higher accuracy, better reliability, and simple program construction. It is more practical optimal design method.
数值计算结果表明，此法不但收敛速度快、精度高、可靠性好，而且还具有程序结构简单，能获得全局最优解等特点，是弹簧优化设计的一种实用方法。
Results show that it is featured by advantages such as good convergence at high speed, higher accuracy, better reliability, and simple program construction. It is more practical optimal design method.
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