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1.
科海测控工程公司与航空航天部五○一部合作,共同研究开发了新一代工业自动控制系统——分级分布式容错微机测控管理系统(CMCM)。该系统分为三级:生产管理层(厂级)可以是各种形式的微机局部网络,测控数据自动进入局网使测控与管理融为一体;过程监控层(车间级)采用自行研制的工业测控微机(CMCM-180)通过交叉支持形成高可靠的容错组合;现场测控层(生产现场)是由自行研制的现场测控单元(CMCM-FMCU)构成分布式系  相似文献   

2.
基于单片机测控系统抗干扰的硬件设计   总被引:7,自引:6,他引:7  
以80C51系列单片机作为下位机的分布式微机测控系统为研究对象,在提出干扰主要窜入渠道的基础上,从供电系统、输入输出通道等方面介绍了抗干扰的硬件设计方法。  相似文献   

3.
应用分布式微机测控技术研制煤矿综采设备制造及维修后的微机检测控制系统,阐述本测控系统软硬件的原理结构及功能特点及改进提高建议。  相似文献   

4.
如何采用89C51单片机、MAX1490B、MOXA-C168P等,与微机结合实现分布式测控系统,并重点介绍RS-422串行通信的设计与实现。  相似文献   

5.
本文分析了微机测控系统干扰的来源及其对微机的作用方式,提出了从系统总体设计、电源、接地、隔离、光纤传输和传感以及软件等方面可采取的各种抗干扰方法。在实际应用中,设计合适的抗干扰方法,可大大提高微机测控系统的抗干扰能力。  相似文献   

6.
分布式测控系统以其测控范围广、构建成本低等优势而得到广泛的应用,本文针对嵌入式控制系统在分布式测控系统中的应用展开了分析讨论,给出了完整的分布式测控系统的系统架构与系统层次功能的设计方案,并在此基础上重点对嵌入式控制系统,从硬件设计和软件设计两个角度完成了嵌入式分布测控系统的构建方案,对于进一步提高分布式测控系统,以及嵌入式控制系统在分布式网络中的应用均具有一定的借鉴和指导意义。  相似文献   

7.
汽车综合性能检测线软件系统的远程诊断与维护技术   总被引:3,自引:0,他引:3  
在分析研究汽车综合性能分布式网络测控系统结构及工作原理的基础上,采用基于拨号网络和基于专线入网两种方式的远程控制技术,研究并实现了对汽车综合性能检测线软件系统的远程诊断与维护。论文对实际的远程诊断与维护系统的整体设计思路与具体实现方法进行了详细的分析和论述。应用情况表明,采用该方法开发研制的远程诊断与维护系统能够较好地满足汽车综合性能检测线微机测控系统的实际使用需要。  相似文献   

8.
本文介绍了计量现场站的分布式微机测控系统的功能、硬件组成、资源分配和软件设计。并对上下位机的RS—422A通信接口电路原理、软件实现方法进行了阐述。  相似文献   

9.
本文提出了一种以微机控制的数字化测控系统为核心的喷油器性能试验台的设计方法,叙述了它的工作原理及测控系统软硬件设计,并详细介绍了以LabVIEW为平台所开发的测控系统软件各模块的功能。  相似文献   

10.
本文设计并实现了一种面向输电线路的全分布式的微机保护和测控装置.该装置以可靠性为原则,硬件上采用AT91RM9200处理器,软件上选用嵌入式实时操作系统μC/OS-II.文中重点讨论了微机保护系统的硬件结构和软件结构.在结构和软硬件设计方面,采用了多种抗干扰措施,大大提高了装置的可靠性.  相似文献   

11.
本文介绍了由多级计算机系统和局域网及无线网络构成的以CIPS为目标的管控一体化的计算机集成过程监控系统-城市自来水生产调度微机四遥系统,它实现了生产调度的实时监控和动态管理。  相似文献   

12.
fms is traditionally used for production problems for which a high level of flexibility is required. These traditional fms systems are frequently controlled by a hierarchical control system implemented on a central computer. An implementation of a control system on one (big) computer has some disadvantages:
  • •• The system is vulnerable. If the central control system breaks down, the whole system will become inoperative.
  • •• It is difficult to adapt the capacity of the central computer system, when the fms is extended. It will be difficult to add control power in small steps on a ‘as needed’ basis.
Distributed fms (dfms) is a system architecture that can be implemented on a number of small control units: station managers. A complex central computer system is not needed. Advantages of the dfms concept include:
  • •• reliability
  • •• simplicity
  • •• extensibility.
The dfms concept can be used for production problems for which a limited flexibility is required (‘limited’ flexibility as opposed to the virtually unlimited flexibility, which is aimed at by designers of traditional fms).Station Managers can be implemented on programmable cncs (Computer Numerical Controls). These programmable cncs offer the user, apart from a set of defined standard functions, the possibility to add user written code. The programmable part of the cnc will be used to implement functions as pallet control, tool control and data communication. Furthermore, specific station manager tasks will be implemented. Programmable cncs will enable system integrators to implement fms control systems on user specification.An alternative implementation uses small computer systems like ibm pcs to implement the Station Manager functionality. Each pc is connected through a serial link to the cnc it controls.  相似文献   

13.
凌钢中宽热轧带钢生产线自动化系统改造   总被引:6,自引:6,他引:0  
凌钢中宽热轧带钢生产线R2轧机、热卷箱、飞剪部分“三电”改造工程以高性能工控机、PLC及全数字传动控制系统为核心,传动系统与PLC之间通过Profibus进行通讯,从而改变了原系统装置水平低下,技术落后的状况;并且通过对软件系统即控制模型的优化和改进,弥补了原系统存在的缺陷,提高了系统整体工艺控制水平。系统改造后控制准确,运行可靠。由此又提出了对整条轧线自动化系统做进一步改造的必要性。  相似文献   

14.
An optimal proportional-plus-integral/tracking control law is formulated. The control law has a command augmentation system configuration suitable for implementation on a digital computer on-board an aircraft. The proposed configuration offers the flexibility for choosing a feedforward matrix incorporating a set of additional control elements and for shaping the transient response without affecting the steady-state tracking property. Assuming the system is open-loop stable, then in the presence of a "jam" the disengaged system will maintain the steady-state tracking property which is desirable for aircraft continuing their mission.  相似文献   

15.
介绍了化工间歇聚合反应釜先进控制与管理软件包的系统结构、功能设计与开发。软件包由"化工间歇聚合反应过程的辨识与控制"和"化工间歇聚合反应釜生产管理系统"两个子系统组成。前者用来对生产过程进行监测并实现聚合反应过程从升温、反应、恒温、回收全过程自动控制;后者用来完成聚合釜的生产管理和优化指导任务。它已在某生产装置上得到应用,取得了显著的经济效益和社会效益。  相似文献   

16.
设计了一款基于Android手机的智能家居语音控制系统,通过Android手机的APP"语音"按钮实现一键式控制、智能应答,语音识别模块和语音合成模块整合到上位机上,减少了在语音识别和语音合成方面的硬件开支.下位机由STC89C52单片机、HC-06蓝牙模块、1602液晶显示模块及相应的电路组成.系统能够实现语音控制家居照明系统的开关、定时、状态查询与显示,电视的开关、音量和频道切换等功能.  相似文献   

17.
The control system of a mobile robot has a number of issues to deal with in real time, including motion control, mapping, localization, path planning, and sensor processing. Intelligent reasoning, task-oriented behaviors, human–robot interfaces, and communications add more tasks to be solved. This naturally leads to a complex hierarchical control system where various tasks have to be processed concurrently. Many low-level tasks can be handled by a robots onboard (host) computer. However, other tasks, such as speech recognition or vision processing, are too computationally intensive for one computer to process. In this case, it is better to consider a distributed design for the control system in networked environments. In order to achieve maximum use of the distributed environment, it is important to design and implement the distributed system and its communication mechanisms in an effective and flexible way. This article describes our approach to designing and implementing a distributed control system for an intelligent mobile robot. We present our implementation of such a distributed control system for a prototype mobile robot. We focus our discussion on the system architecture, distributed communication mechanisms, and distributed robot control.This work was presented, in part, at the 8th International Symposium on Artificial Life and Robotics, Oita, Japan, January 24–26, 2003  相似文献   

18.
排爆机器人控制可分为小车的行走控制和机械手的运动控制。小车的行走控制需要进行“路程规划”以实现小车避障和向目标物(可疑爆炸物)靠近,而机械手的运动控制需要进行“轨迹规划”以避开障碍物实现避碰,顺利抓取、搬运目标物。此机器人控制系统是开放式系统,实现了智能化和网络化。远程管理机房电脑可以显示现场机器人手爪、目标物、障碍物。  相似文献   

19.
对计算机控制系统的面向对象设计进行了叙述,给出了实现计算机控制系统的具体设计思想,为将来计算机控制系统的实现做准备,并为计算机控制系统的实现提供了基础.  相似文献   

20.
Intelligent robotic control   总被引:2,自引:0,他引:2  
A theoretical approach is developed to deal with man-machine interactive systems requiring advanced decision making in unpredictable environments. The hierarchical method consists of a three-layer control of "increasing intelligence and decreasing precision." The lowest level consists of several controllers designed for effective control with existing hardware using an approximation theory of optimal control. The next level is that of a coordinator which utilizes new computer architectures to effectively control the overall hardware system. The highest level is the organizer which supervises the performance of the overall system. Both highest levels are computer implemented and the research involved is in developing the appropriate architecture and software to accommodate others. The lowest level, aimed for end-point control tasks, is dominated by typical hardware control methods. The coexistence of the two approaches makes the method novel. Application of intelligent control techniques to robotics and manipulative systems is considered.  相似文献   

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