SJA1000在CAN总线系统节点的应用

介绍CAN总线控制器SJA1000;给出其在CAN总线系统节点中的应用方法、节点电路原理图及初始化程序;针对应用SJA1000容易出现的问题进行了解说.     

凌阳单片机CAN总线智能节点的开发

介绍了一种以凌阳单片机作为控制器、SJA1000作为可编程CAN通信控制器的CAN总线智能节点并给出了硬件设计和软件设计.     

SJA1000在CAN总线系统节点的应用

介绍CAN总线控制器SJA1000;给出其在CAN总线系统节点中的应用方法、节点电路原理图及初始化程序;针对应用SJA1000容易出现的问题进行了解说。     

基于SJA1000的CAN总线通讯模块的实现

介绍了一种采用独立CAN总线控制器SJA1000和8位单片机89C51组成的CAN总线通讯模块的实现方法。详细描述了模块的硬件电路组成及抗干扰设计,给出了SJA1000的初始化、报文的发送和接收程序代码。     

基于CAN总线智能节点设计

CAN总线是一种应用极为普及的现场总线.文中提出了一种CAN总线通信接口的设计方案.CAN总线智能节点用单片机AT89S52和SJA1000控制器为核心组成.分别从硬件电路设计和SJA1000软件初始化、发送、接收设计方面进行了分析,实现了相应的网络控制功能,具有较高的实用性.     

基于AT89S52型单片机的CAN总线智能通信节点设计

介绍CAN(控制局域网)总线的特点,对CAN总线智能通信节点的工作原理进行了分析,给出了采用AT89S52型单片机构成的通信节点电路原理图和应用单片机汇编语言编写的SJA1000初始化程序,通过节点的软硬件设计,说明了CAN总线的技术优势和应用前景.     

基于Intel 80C196KC的CAN总线系统智能节点设计

论文详细介绍了基于Intel80c196kc的CAN总线系统智能节点设计,包括硬件设计和软件设计,其中在软件设计中给出了SJA1000初始化、报文发送、报文接收的流程图。该智能节点已应用在混合动力汽车总成控制器中,满足了总成控制需要。     

基于SJA1000的CAN总线智能控制系统设计

本文介绍了一种新型的现场总线控制器SJA1000的基本原理结构及功能特点。重点叙述了基于CAN控制器SJA1000的智能控制系统硬件电路及软件设计．给出了初始化程序和部分通信程序。     

基于Arm CAN现场总线的油库实时监控系统

针对油库管理的实时性和可靠性等要求,在论述CAN总线驱动程序的基础上提出了基于CAN总线的分布式控制系统方案.主要介绍了在核心数据处理单元S3C2410上利用扩展设备CAN控制器实现总线报文的过滤与收发.其中包括CAN控制器SJA1000的工作原理,以及CAN总线访问控制的一般方法,CAN总线驱动程序的设计.实验证明,...     

基于AT89S52型单片机的CAN总线智能通信节点设计

介绍CAN（控制局域网）总线的特点,对CAN总线智能通信节点的工作原理进行了分析,给出了采用AT89S52型单片机构成的通信节点电路原理图和应用单片机汇编语言编写的SJA1000初始化程序,通过节点的软硬件设计,说明了CAN总线的技术优势和应用前景。     

Only connect: teaching, technology and telesis

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.     

European Community policy and the market

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.     

一种自适应子融合集成多分类器方法

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。     

Avoiding semantic and temporal gaps in developing software intensive systems

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.     

基于QTE的蒙古文显示机制研究与实现

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。     

Designing economic np control charts: A programmed simulation approach

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.     

基于AD9626的模拟信号采集存储卡设计

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。     

The development of robot art

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     

煤矿井下安全监控分站的设计及其仿真实现

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.     

A human-computer interface for non-computer specialists

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.