The simulation test was completed through two mechanical design cases. The result shows that the algorithm has high efficiency, rapid speed of convergence and strong capability of global search.
最后通过对两个机械优化设计实例进行仿真试验，结果表明本算法求解效率高、收敛速度快、全局搜索能力强。
2
The test method of pressure loss, flow loss and frictional force loss etc. of the hydraulic pumping units is presented, from which the mechanicalefficiency and volumetric efficiency are obtained.