Based on a plenty of researching in the technology of the field bus , blue tooth , e - link etc . , the problems of embedded control system and the communication method were discussed in detail 本文首先对现场总线技术、蓝牙技术、 e ? link等技术进行了大量的研究,在此基础之上,对嵌入式控制系统的发展现状和不足之处进行了深刻分析,提出了本文的研究目标。
Following the development of the computer and the semiconductor technology , embedded control system has revolutionary changed and is changing the control mode , net topology structure , control strategy of the traditional dcs 摘要随着计算机技术和半导体技术的发展,嵌入式拉制系统已经和正在改变着传统的集散控制系统的拉制模式、网络拓扑结构、控制策略。
At last , a sum - up and prospect of the electronic card embeded control system are gived . syncretizing virtues of arm and uclinux and developing a new controller , and creating jffs2 partition on the diskonchip are the innovation of this paper 融合arm硬件平台和uclinux软件平台的优点,开发一个新型电子提花控制嵌入式系统,以及在doc上实现文件系统,是论文的创新之处。
Abstract : various measures for anti - interference for embedded control system are stated for enhancing the capability of the system . these include power supply , grounding , isolated input and output channels and circuit design 文摘:主要对嵌入式控制系统在抗干扰方面提出了各种措施,包括电源、接地、隔离输入、输出通道,以及在电路设计上采取了措施,以求提高系统的抗干扰能力。
With the development of remote control system and internet technology , more and more devices controlled via network corned forth . it has become a focus on control field how to connect the serial - interface - device , realize the remote control , even directly control the simulant signal via network . in this paper , a design based on embedded control system via network was provided , it can connect the serial - interface - devices via internet , and realize the control of the stimulant signal 随着远程控制系统的深入发展和网络技术的进步,越来越多的设备以串口的形式出现在远程控制网络当中,如何将这些串口设备以简单的方式快速地接入网络实现基于网络的远程控制,成为当今控制领域的研究重点,本文从远程控制的网络接入方式出发,研究了对现场模拟量实施的远程控制技术,提出了将串口设备接入网络的方案? ?基于网络的嵌入式远程控制系统。
There is a pretty strict limit of reliability , cost , volume and energy - consuming . real - time embedded control system is applied for firm real - time and responding circumstance . aiming at direct current servo electromotor , a set of servo experiment system is designed , exploitation flow and process of real - time embedded control system are advanced , some issues of them are paid much more attention , the satisfied effects are obtained in the real circumstance , these issues include : exploitation of embedded system , analysis of superiority of the exploitation , the exploitation of embedded linux operation system from kernel customizing and file system cutting out to system starting up is researched , some factors which effect the system ' s capability are analyzed , the settled real - time schemes of linux os and the arithmetic of preemptive priority scheduling and round - robin scheduling and latest and rapid arithmetic are researched 本文围绕着针对直流伺服电机设计一套伺服试验系统,对于嵌入式实时控制系统应用技术进行了比较全面的研究,提出了嵌入式实时控制系统的开发流程和步骤,并对其中的一些问题进行了专门研究,在实物实验中获得了比较好的效果,这些问题包括:嵌入式操作系统开发,分析了使用linux操作系统进行嵌入式操作系统软件开发的优越性,并且从内核定制、文件系统裁剪、系统启动等几个方面研究嵌入式linux操作系统的开发;实时性研究,分析了在操作系统中影响系统实时性能的因素,研究了linux操作系统的几种实时解决方案,并且研究了基于优先级的可抢占式与可选择的同优先级按时间片轮转相结合的调度算法以及最迟响应与最快处理的可抢占式调度算法。
All the evidences point that the new embed control system of pizeo actuator gets excellent performance . it can be used in both quick and stable positioning area . still the embed control system contributes a lot for the research of smaller nano - positioning system based on pizeoceramic in the future 本文研制的压电陶瓷嵌入式控制系统适用于静态稳定、动态高速定位等不同应用场合,为进一步研制小型化、集成化、通用化的压电陶瓷微定位系统提供了理论和实践经验。
In the recent years , embedded control system is applied for office automation , consumption , communication , intelligent facility , robot , industry and military domains , particularly in the fields of office automation , consumption , communication it accounts for about more than 90 % of share 近几十年来,随着数字计算机技术的发展和应用,嵌入式控制系统被广泛地应用于办公自动化,消费,通信,智能设备,机器人,工业和军事领域,其中,办公自动化,消费,通信领域占的份额约90以上。
Particularly characteristics of driver of linux os are introduced , the date - collecting card ' s driver has been written , causes of using minigui are explained , actualizing principles of minigui are studied and the program which actualizes minigui has been compiled . f inally a complete set of real - time embedded control system is debugged , all kinds of parameters are measured and amended , the causes of difference between real experiment and computer simulation are analyzed 详细介绍了linux下外设驱动程序的特点,编写了数据采集卡在linux操作系统下的设备驱动程序;解释了采用minigui的原因,研究了minigui的实现原理,以及如何进行基于minigui进行图形应用程序的开发;最后进行了整套嵌入式实时控制伺服试验系统的联合调试,检测并且修改各种参数的设置,分析实物实验和计算机仿真结果之间的差异原因。
Considering the embedded control system is been progressively used in these fields , such as industry control , apparatus and instrument , the configuration control system will be widely applied in such as machine and electronic equipment , intelligent instrument , and smart house , etc . we designed such embedded configuration control system conformed to the international standard iec611131 - 3 , which has not only logical control function , but also graphical monitoring function 结合嵌入式测控系统在工业控制、仪器仪表等行业的不断推广应用,这样的嵌入式组态控制系统在大型机电设备的单机控制、智能化仪器以及智能家居等小型嵌入式控制领域中有广泛应用前景。本课题中设计的符合iec61131 - 3标准的嵌入式组态控制系统,其硬件平台的设计主要适用于大型机电设备单机、实验室环境、智能家居系统等小型、嵌入式控制的应用场合,它不但可以实现传统小型plc的功能,还把监控功能集成在一起。