Design of fan frequency conversion governor is introduced from four respects of converter capacity selection, running control method selection, parameter presetting and circuit block diagram. 从变频器的容量选择、运行控制方式选择、参数预置及电路原理图等4个方面介绍了风机变频调速系统的设计;
Based on the mathematical model of cascaded converter, the running characteristic of pseudo-sliding variable structure control and the relation between this running characteristic and circuit parameters are analyzed. 基于级联型换流器数学模型,分析了伪滑模变结构控制的工作特性及其与电路参数之间的关系。
The parallel running control circuit design of the middle-frequency generating sets for a type of radar 某雷达配套中频电站并联运行电路设计
OPC server running results indicates that OPC server can communicate with OPC client software through DCOM mode, monitor and control the Modbus network of the communicated circuit breaker. OPC服务器的运行结果表明:OPC服务器通过DCOM方式与OPC客户端进行远程通信、监控由可通信断路器组成的Modbus网络。研究成果已通过验收,达到了预期的设计要求。
Through on-line running of converter, main control computer and DSO debugging, we complete the debugging work of integration the hardware circuit of GPIB and monitor system software. The GPIB programming function of main control computer to DSO is achieved. 通过GPIB-RS232程控转换器、主控机以及DSO联机运行调试,完成了转换器的硬件电路和监控系统软件的调试工作,实现了主控机对DSO的GPIB程控功能。
It has been indicated in the whole running test result that the control function of system has reached the design request, main circuit and transformer are work normally, and the chopped-wave is concordance with the theory. 整机运行测试结果表明,系统的控制功能已达到设计要求,主电路及焊接变压器工作正常,输出的斩波波形与理论波形基本相同。
This paper promotes a field-bus-based Check-Mode urban train running control system to support those ur-ban rail transit system that is not very busy and can not use the track circuit to check out the train. It is also analyzed the reliability of this control system. 针对行车密度小、无法应用轨道电路作为列车检测手段的城市轨道交通系统,提出了一种基于现场总线技术的CHECK方式城市轨道交通列车运行监控系统,并就其可靠性设计作了重点阐述。
Realizing stopping, alarm and run indication of the variable-bit. 2. Running control circuit. 实现变位器的故障急停、报警和运行状态指示;2.运行控制电路。