At the same time , the sources and effects of system errors were analyzed . based on the two ports vector error calibration of the network analyzer , the optimum scheme of removing system errors was decided and the program flow charts of it were presented 同时,详细分析了射频训练系统的误差来源及其对测量结果产生的影响,结合网络分析仪二端口矢量误差校准模型,给出了消除仪器系统误差的具体方案及其实现程序流程图。
On the basis of analysis of the theory of mechanical - hydraulic power match system an electro - hydraulic proportional power match system which was suitable for matching tlc900 transporting girder vehicle of the engine was developed according to the driving force - speed curve and parameter , and the control rule and program flow chart about the system were also given 摘要在分析了机械液压功率匹配系统原理的基础上,根据液压系统驱动力速度曲线及参数,提出了适用于tlc900型运梁车液压驱动系统与发动机功率匹配的电液比例功率匹配系统,并给出了控制规律及程序流程图。
The characters , advantages , domestic and foreign status and developing direction of virtual instrument , are inroduced briefly . and the design process of control software of hptimi in the environment of labwindows / cvi is also presented . the primary data exchang mechanism among the contol units of hptimi and the corresponding program flow charts and their programmimg approaches are expatiated 论文通过简单分析虚拟仪器的特点及国内外研究现状和发展方向,详细阐述在labwindows / cvi环境下,高分辨率时间间隔测量仪控制软件设计过程,说明其主要的数据交互机制,给出相应的程序流程图和编程方法。
In this paper , the state of the art of upfc is first presented , which include the control methodology and its influence on power system operation . after analyzing the basic principle , the series connection states and parallel connection states are both discussed and then the control methods are designed . furthermore , a program flow chart and its implementation are given based on dsp 分析了统一潮流控制器的工作原理,分别讨论其并联侧和串联侧的工作方式和作用,以此为基础设计了它的基本控制方式和主电路结构,并且完成了以数字信号处理器为基础的控制软件的流程图和具体实现方法。
Referring to mcu - dsp as control scheme and i2c bus as communication interface of mcu between dsp , basing on the simple introduction of i2c bus , the author recommends the achievement of mcu software of system servo control in length , gives the main program frame of system ' s mcu software and corresponding program flow chart to each servo module , and analyzes the working process of program while programming essential servo control mcu software 以mcu - dsp为控制方案,以i ~ 2c总线做为mcu与dsp的通讯接口,在简单介绍了i ~ 2c总线的基础上,对系统伺服控制的mcu软件的实现做了详细的介绍,给出了系统mcu软件的主程序框图,对各个伺服模块也相应给出了程序流程图,同时对程序的工作过程也做了详细的分析,并且编写了初步的伺服控制mcu软件。
Centering on this , the paper analyses the phase - locked loop , the characteristics and application of hef - 4046bt , the circuit constitute of 8254 , and the elimination of interference in the control system . furthermore , the paper introduces some other characteristics of the soft starter , the hardware experimental circuits of its mcu control system and the whole design philosophy of its software , together with the main program flow chart 围绕这两项技术,本文从锁相环的基本知识入手,对微功耗cmos集成锁相环hef - 4046bt的工作特性和应用电路,本相高频互补对称脉冲序列芯片8254的电路组成,以及解决高压电场和起动大电流造成的磁场对弱电控制信号的干扰问题,一一做了系统的分析。