At last , we compare these two controllers and look forward the vista of the electronic jacquard embeded control system . syncretizing virtues of pc / 104 and linux and developing a new controller are the innovation of this paper 融合pc 104硬件平台和linux软件平台的优点,开发一个新型电子提花控制嵌入式系统,是论文的创新之处。
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。
This paper is backgrounded on “ dongzhongtong ” ( dzt for short ) satellite communication and television incepting system fixed on moving carrier , mainly researches the application of embedded control technology used on the satellite antenna stabilization platform 本文以“动中通”移动载体卫星通信与电视接收系统为背景,主要研究嵌入式控制技术在天线稳定平台中的应用。
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。
Such a control system can shorten the design periods of embedded control products , can provide a beautiful monitoring picture interface and logical control function conformed to the international standard iec61131 - 3 , and has the function of keeping sizeable history data 这样的嵌入式组态控制系统可大大缩短嵌入式控制产品投放市场的时间,而且具有丰富的监控界面,符合iec61131 - 3标准的逻辑控制功能,并且可以存储相当数量的历史数据。
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。