With the application of real - time multi - tasks mechanism and modulization software structure , the controller can set and modify the parameters on - line , collect and process the real - time data of the four - battery charge / discharge devices , termly and digitally regulate the closed loop and monitor the real - time faults , so that the system can control different styles of charging and discharging operate mode such as in constant current style , constant voltage with limited current style and static style 控制器软件采用实时多任务机制和模块化的设计思想，通过对蓄电池化成充放电过程中工艺参数的在线设定修改、实时数据的采集处理、定时的数字闭环调节和故障的监测，实现对蓄电池静电、恒流、恒压限流等多种充放电工作方式的控制。
This article analyses the operation principle of the semiconductor laser power in detail , and demonstrates the feasible scheme of the main part of the power according to the special request under the quasi - successive working way , designs the corresponding hardware circuits and software procedures which implement the accurate automatic control of timing , steady voltage and invariable current power supply without pulse voltage and surge current for digital display semiconductor laser power 本文深入分析了半导体激光电源的工作原理，根据准连续工作方式下的特殊要求，论证了电源的主要环节的可行性方案，设计了相应的硬件电路与软件程序， (实现了定时的精密自动化控制、数字式显示机半导体激光电源的无脉冲电压、无浪涌电流的稳压恒流供电。
Firstly , the thesis studies the characteristic and the key of the design of the control system of short circuit test bench . secondly , we discuss the different ways to control the initial fault current angle , and give some different design projects based on pc 然后对合闸角控制的不同方法进行了研究，并根据合闸角控制的方法不同提出了基于pc机的不同设计方案，并对各种方案进行了详细说明，特别是windows和dos环境下精确短定时的实现以及在电力系统短路试验控制系统中的应用。
Based on developing and research of the vi , the timing methods to adopting and controlling in vi are summarized . and the timing method with timer in main board is compared with one in the a / d board , at last the theory and the method to real - time adopting with dll are stated in this paper 本文在虚拟仪器开发和研制的基础上，总结出虚拟仪器采样和控制定时的方法和措施，并对利用主板定时器和a / d板上的定时器定时进行了比较和研究，最后阐述利用动态链接库( dll )实现实时数据采集的原理和方法。
The task is to undertake a research on a control system applied to ultrasound instrument which performs the functions as follows . firstly , it can output a pwm wave which duty ( 0 ~ 100 % ) and frequency ( 0 . 1 - 10hz ) are adjustable . secondly , it can output a switch and timing signal . thirdly , it can detect the frequency of signal generator ( 20k ~ 100khz ) 本课题任务是进行一个超声仪的控制系统的研究，主要实现以下技术指标：输出占空比( 0 100 )和频率( 0 . 1 10hz )可调的pwm信号；产生可控定时的开关量信号；检测信号源的频率值( 20k 100khz ) ；在pc机监控软件界面和控制器液晶显示屏上显示其工作状态和参数。
The concept of " timing " in the article is not the clock in our ordinary living , but syntheses which is made up of some frequency source in the signal generator ( such as cs atom frequency standard , rb clock & high accuracy quartz crystal oscillator ) which produces the primary frequency , the matching input interface and the matching output interface and controlling circuit etc . for example , bits is a kind of timing equipment , which is used to control the timing of some functions 本文论及的“时钟”概念不是指日常生活中使用的钟表，而是由产生基准频率的信号发生器(如铯原子频率标准、铷钟及高精度石英晶体振荡器等)中的某种频率源以及相配套的输入、输出接口和控制电路等组成的一整套具有特定同步定时功能的综合体。如bits就是一种时钟设备，它提供用在通信系统中控制某些功能的定时的时间基准设备，时钟提供的信号称为基准信号、定时信号或同步信号。
