介绍了北京钢铁研究总院采用计算机仿真技术与计算机辅助设计技术，开发出具有优化功能的钢管冷拔过程CAD系统通用软件。
The paper introduces CAD system of steel tube cold drawing process which is a software with optimum function developed by Iron & steel General Institute on basis of computer imitation technology.
讨论了模糊pid控制器的设计方法，同时利用MATLAB软件中的模糊控制工具箱进行了系统的辅助设计与仿真实验。
A designing method of fuzzy PID controller is given, then an example of how to design and simulate the system by using the software MATLAB is introduced.
数控加工仿真集制造技术、机床数控理论、计算机辅助设计(CAD)、计算机辅助制造(CAM)、建模与仿真技术于一体。
NC machining simulation integrates manufacturing technology, machine numerical control theory, computer aided design (CAD), computer aided manufacturing (CAM), model building and simulation.
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