非零最小 meaning in English

minimum-bconfiguration

During the work of designing the structure of parallel machine tool , in allusion to the main shortcoming of stewart platform mat its workspace is strait , we decide to design a stewart type parallel machine tool which fulfill the given spherical position workspace and have the best dexterity , genetic algorithm is used in this paper . because the calculation of the fitness function is complex , backpropagation arithmetic is used to approach fitness function . the results show that mis method has good accuracy and computing efficiency
在并联机床的结构设计中，针对并联机床的工作空间有限且受刀具姿态影响大的弱点，提出了以保证非零最小可达章动角球形主工作空间的基础上，使操作灵敏度暨刚度分布最优化的设计目标，优化方法的选用了遗传算法，结合神经网络技术，该方法取得了很好的结果。