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1.
模糊控制的典型结构   总被引:10,自引:1,他引:10  
本文研究了评述了模糊控制的典型结构方案,包括模糊控制器的一般结构,PID模糊控制器,自组织模糊控制器,自校正模糊控制器,自学习模糊控制器和专家模型控制器等。文中着重讨论了控制结构机理。许多结构方案都获得应用验证。  相似文献   

2.
PCI总线是一种高带宽、独立于CPU的新型总线,总线接口控制器是其应用的关键所在。在讨论PCI总线技术特性与接口技术的基础上,介绍一种高性能PCI接口控制器芯片集—─AMCC的S593X系列芯片,详细分析其总线接口与数据路径以及直传特性与客户化支持。  相似文献   

3.
参数自调整PID控制器在自动浇铸系统中的应用   总被引:3,自引:1,他引:2  
田涛  李江红 《自动化仪表》2000,21(11):19-21
浇铸过程中,由于浇包液位的变化,采用固定参数PID控制器进行控制时,控制效果会逐渐变差,导致产品质量下降。介绍采用参数自调整PID控制器后,克服了液位的变化,仿真研究表明了该算法的有效性。  相似文献   

4.
介绍一种新型的可编程通用控制器(PGC),这种控制器具有功能完整,通用性强,应用灵活等显优点。PGC在硬件和软件技术上都有新颖的特色,不仅可以单独用作机电设备的智能控制核心,还可作为前端机同上位PC机及其他控制器的构成DCS系统。  相似文献   

5.
现代控制系统的内在核心问题仍然是控制算法的设计和实现问题。如果控制器在运行过程中,能随着被控特性的变化而在线实时自整定控制器的参数,将是保证控制器优良性能的关键措施之一。本文对PID参数在线实时自整定技术进行了详细阐述。  相似文献   

6.
本文针对一高精度电液伺服系统,利用PSS设计了控制器,仿真及实验表明,该控制器具有良好的控制特性。  相似文献   

7.
多变量自校正解耦PID控制器   总被引:4,自引:1,他引:3  
余文  柴天佑 《控制与决策》1995,10(2):175-178,183
将前馈解耦控制与自校正PID控制相结合,提出了多变量自校正解耦PID控制器。该控制器适于具有任意延时结构和非最小相位系统,本文利用根轨变法证明了这一算法的全局收敛性。  相似文献   

8.
水下自航器航迹控制系统仿真研究   总被引:1,自引:1,他引:0  
段富海  章卫国 《计算机仿真》1999,16(1):37-38,29
该文提出了一种带优化修正函数的非线性PID控制器设计方法,用它设计 控制器能对复杂非线性对象进行简单而有效的控制。用它为某型自抗器设计的航迹控制器在不同入水条件下进行了仿真研究。仿真结果表明,用带优化修正函数的非线性PID控制器设计方法设计的自航器航迹控制系统,在不同入水条件下都具有良好的动、静态特性。说明非线性PID控制方案较好地解决了空投入水自航器的航迹控制问题。  相似文献   

9.
本文通过在指标函数中引入加权多项式,为由脉冲响应模型描述的系统提出一种基于多步预测的极点配置自校正控制器,这种控制器能确保控制系统的稳定性,并能消除控制系统的稳态误差,算法的计算也比其它的预测控制算法如MAC,GPC等小。  相似文献   

10.
增益模糊自整定PID控制器设计   总被引:2,自引:0,他引:2  
本文提出了一种模糊自整定PID控制器及设计方法,仿真结果表明与PID系统比较,模糊自整定PID超调量减小,抗环境变化能力强。较好地解决了对象结构时变系统控制适应能力  相似文献   

11.
Abstract This paper describes an approach to the design of interactive multimedia materials being developed in a European Community project. The developmental process is seen as a dialogue between technologists and teachers. This dialogue is often problematic because of the differences in training, experience and culture between them. Conditions needed for fruitful dialogue are described and the generic model for learning design used in the project is explained.  相似文献   

12.
European Community policy and the market   总被引:1,自引:0,他引:1  
Abstract This paper starts with some reflections on the policy considerations and priorities which are shaping European Commission (EC) research programmes. Then it attempts to position the current projects which seek to capitalise on information and communications technologies for learning in relation to these priorities and the apparent realities of the marketplace. It concludes that while there are grounds to be optimistic about the contribution EC programmes can make to the efficiency and standard of education and training, they are still too technology driven.  相似文献   

13.
融合集成方法已经广泛应用在模式识别领域,然而一些基分类器实时性能稳定性较差,导致多分类器融合性能差,针对上述问题本文提出了一种新的基于多分类器的子融合集成分类器系统。该方法考虑在度量层融合层次之上通过对各类基多分类器进行动态选择,票数最多的类别作为融合系统中对特征向量识别的类别,构成一种新的自适应子融合集成分类器方法。实验表明,该方法比传统的分类器以及分类融合方法识别准确率明显更高,具有更好的鲁棒性。  相似文献   

14.
为了设计一种具有低成本、低功耗、易操作、功能强且可靠性高的煤矿井下安全分站,针对煤矿安全生产实际,文章提出了采用MCS-51系列单片机为核心、具有CAN总线通信接口的煤矿井下安全监控分站的设计方案;首先给出煤矿井下安全监控分站的整体构架设计,然后着重阐述模拟量输入信号处理系统的设计过程,最后说明单片机最小系统及其键盘、显示、报警、通信等各个组成部分的设计;为验证设计方案的可行性与有效性,使用Proteus软件对设计内容进行仿真验证,设计的煤矿井下安全监控分站具有瓦斯、温度等模拟量参数超标报警功能和电机开停、风门开闭等开关量指示功能;仿真结果表明:设计的煤矿井下安全监控分站具有一定的实际应用价值.  相似文献   

15.
Development of software intensive systems (systems) in practice involves a series of self-contained phases for the lifecycle of a system. Semantic and temporal gaps, which occur among phases and among developer disciplines within and across phases, hinder the ongoing development of a system because of the interdependencies among phases and among disciplines. Such gaps are magnified among systems that are developed at different times by different development teams, which may limit reuse of artifacts of systems development and interoperability among the systems. This article discusses such gaps and a systems development process for avoiding them.  相似文献   

16.
蒙古语言是中国蒙古族使用的通用语言,由于蒙古文区别于其他文字的书写方式和其自身变形机制等特点,在很多通用的文字处理引擎中都不被支持。在嵌入式产品开发与应用领域中Linux加QTE已经成为流行方式。该文给出了一种在QTE环境上实现基于标准Unicode的蒙古文点阵显示和变形算法, 并自定义了支持蒙古文的QTE组件,扩展了QTE功能,为在Linux加QTE方式的嵌入式体系结构中处理蒙古文提供了一种解决方法。  相似文献   

17.
This paper presents control charts models and the necessary simulation software for the location of economic values of the control parameters. The simulation program is written in FORTRAN, requires only 10K of main storage, and can run on most mini and micro computers. Two models are presented - one describes the process when it is operating at full capacity and the other when the process is operating under capacity. The models allow the product quality to deteriorate to a further level before an existing out-of-control state is detected, and they can also be used in situations where no prior knowledge exists of the out-of-control causes and the resulting proportion defectives.  相似文献   

18.
自然界的绝大部分信号都是以模拟的形式存在,因此模拟信号的采集转换存储在数字时代十分关键。文章讨论了在雷达信号处理领域基于AD9626的AD采集存储卡的设计原理、硬件结构和程序设计与芯片配置等问题,为今后相关领域的研究提供了可参考的方案。  相似文献   

19.
Going through a few examples of robot artists who are recognized worldwide, we try to analyze the deepest meaning of what is called “robot art” and the related art field definition. We also try to highlight its well-marked borders, such as kinetic sculptures, kinetic art, cyber art, and cyberpunk. A brief excursion into the importance of the context, the message, and its semiotics is also provided, case by case, together with a few hints on the history of this discipline in the light of an artistic perspective. Therefore, the aim of this article is to try to summarize the main characteristics that might classify robot art as a unique and innovative discipline, and to track down some of the principles by which a robotic artifact can or cannot be considered an art piece in terms of social, cultural, and strictly artistic interest. This work was presented in part at the 13th International Symposium on Artificial Life and Robotics, Oita, Japan, January 31–February 2, 2008  相似文献   

20.
Jacob Palme 《Software》1979,9(9):741-747
The COM teleconferencing system was designed to be easy to use for both beginners and people with much computer experience. A number of design choices in organizing the human-computer interface were considered very carefully. These design problems are not unique for teleconferencing applications, but will appear in many other developments of human-computer interfaces for non-computer specialists. This report discusses naming conventions, menu format, user commands, help facility and the treatment of ‘type ahead’ from the users.  相似文献   

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