An optimizing method with constant pressure ratio is initially applied to the mixed refrigerant cycle . this method greatly simplifies the calculation of the cycle , and is helpful in numerical optimization of various cycles , especially in the complex cycles 本文首次采用混合工质制冷机循环的定运行压比优化方法，大大减少了循环的计算量，为各种混合工质制冷机循环，尤其是复杂循环的数值优化奠定了基础。
Blade design optimization problems are multimodal and discontinuous problems , the use of gradient - based numerical optimization algorithms perform inefficiently and drop into local minimum prematurely . hence , the exploratory algorithms such as gas are required for global exploration . 4 4 .通过rsm方法拟合复杂的响应关系，平滑设计空间“噪声” ，能够防止数值优化方法陷入局部极值点，获得良好的鲁棒性和适应性。
On the basis of kinematics analysis and model transformation , an error equation of the robot kinematics parameter is established with numerical optimization , and the optimal design for kinematics parameter is realized , which effectively increases the repositioning precision of the robot 在运动学分析和模型变换的基础上，运用数值优化技术建立了机器人运动学参数的误差方程，实现了运动学参数的优化设计，有效提高了机器人的重复定位精度。
At first , based on the simple genetic algorithm , an improved ga which adopts a combination of emigration policy and adaptive operator is presented . results of numerical optimization show that the improved ga is effective on preventing premature problem 本文在基本遗传算法的基础上首先研究了浮点编码遗传算法在数值优化中的应用，通过引进“移民策略”和自适应算子相结合的方法，改进了基本遗传算法在后期进化缓慢的问题，极大地减少了早熟性收敛的现象。
In this paper , a mmc heat sink is fabricated and processed according to the results of numerical optimization of a mmc heat sink firstly , then thoroughly studies its flow characteristics and heat transfer characteristics by experimental methods , and de - ionized water and surfactant aqueous solution are used as working fluids 本文根据数值模拟优化结果设计和制作了歧管式微通道热沉,并采用实验的方法,以去离子水和表面活性剂水溶液作为实验工质,对热沉进行了流动特性与传热特性的实验研究。
The numerical optimization and the detailed exergy analysis of the cycles approved the conclusions rendered in the analysis of the cycle ' s features . we also obtained the optimum compositions of the mixture refrigerant for the rectification cycle under the pressure ratio of 8 , at the temperature levels of - 60 ? , - 80 ? , - 100 * c , and - 120 ? respectively . the method of equivalent entropy generation is initially used in this study 通过对混合工质节流制冷机诸循环进行的数值优化和较为详尽的循环粗(火用)分析，验证了循环的特性分析中所得到的主要结论，同时得到了压比为8 ，温度为- 60 、 - 80 、 - 100和- 120等四个温度位的混合工质精馏循环最优混合工质成浙江人学博十学位论文摘要分。
