A more suitable control program was developed with plc ( programmable logic controller ) . the water source heat pump computer assistant design software was compiled to reduce time - period of product developments 在理论计算和设备选型的基础之上，编制了水源热泵机组计算机辅助设计软件，对建立产品设计理论和缩短开发周期具有一定的参考价值。
Fourthly , the implementing method of equipment purchasing is researched including analyzing stock decisions , investment planning , choosing type and inviting and bidding methods in equipments purchasing 第四,研究了设备采购管理具体实现方法,主要包括设备采购决策分析、设备投资规划、设备选型定货以及设备采购的招标和投标方法,提高了设备投资方案、选型方法等采购过程的科学性。
A short circuit calculation software has been developed by setting up visual mathematic model of power network , providing the criterion of the choosing of the equipments under high - handed electricity power transmission and distribution for ptcad2000 通过建立可视化的电网数学模型，程序实现了电力系统下短路故障的计算和分析，为在ptcad2000平台下高压输配电网的设备选型提供了依据。
This paper introduce the technology that is used to weld the frame of the motor by the robot . there are the overall design , the construction of the working station as well as positioner and clamping apparatus , it is be reference for other welding work 概要介绍了二维操作杆装配单元的构成、设备选型设计、装配方案、装配过程分析以及各设备间的协调动作，对推动机器人柔性装配的发展起到一定的作用。
