基于W77E58单片机的图形液晶显示的设计与应用

详细论述了W77E58单片机,MG-12232图形点阵式液晶显示器的硬件接口电路特点和接口软件编程方法,设计了液晶动态显示信息的算法,利用该算法可左右、上下滚动显示信息。给出了液晶显示模块在智能车载终端应用的实例,该车载终端集成了GPS定位模块、GPRS通信模块,为车辆的调度指挥提供了强有力的技术支持和可视化依据。     

基于手机准超声波控制的智能灯

本文简述了手机与智能灯准超声波通信系统的原理。使用该通信系统,用户可以通过手机APP发射声波来控制智能灯的彩色变换以及定时关机时间。文中介绍了手机和智能灯模块的设计思路、算法设计以及硬件电路。算法设计主要是快速傅里叶变换算法。硬件设计主要包括电源滤波电路、高增益信号放大电路、四阶切比雪夫带通滤波电路等。综合了软件与硬件的设计,系统的通信距离得到了有效的提高,最远距离可达10米。相比起其他其他通信方式有显著的优势。     

北斗通信与导航一体化车载智能网络终端的开发

为了实现对各类车辆的有效调度、协调控制和管理,提高物流运输的效率和安全性,针对物流系统应用环境,基于STM32微控制器设计开发了一种北斗导航与通信一体化的智能车载网络终端。该终端以STM32F103ZET6微控制器为核心,由北斗定位模块UM220、GPRS模块SIM900A和ZigBee无线网络模块组成。其中,UM220模块负责接收北斗卫星信号定位;SIM900A模块与物流中心通信;无线ZigBee模块用于传输车载物流相关信息。实验表明,该终端能自动完成车载网络数据的采集、处理和传输等功能,满足物流环境下的应用需求。     

基于XC164CS的车载TTCAN网络通信设计

阐述Infineon XC164CS单片机TwinCAN模块结构原理和CAN总线网络通信的设计方法.根据XC164CS的应用特性设计了适用于TTCAN的车载动力系统的CAN通信网络,开发了相应的硬件接口电路,并在μC/OS-Ⅱ嵌入式系统平台上设计了通信模块的底层驱动软件以及多任务应用程序.     

车载断电仪的无线通信功能的设计与实现

针对综采机上车载断电仪与分站之间无法通信的难题,提出了采用无线智能模块建立无线通信的解决方案,详细阐述了系统的软、硬件设计.通过井下实验表明,作为有线通信的延伸,该无线智能模块系统具有较好的通信效果,实现井上对综采机工作状况的实时监测.     

基于现场总线的万能式断路器通信从站设计

针对Profibus-DP现场总线和万能式断路器控制器技术要求,给出了一种基于Profibus-DP现场总线的断路器智能通信从站设计方案。阐述了信号采集电路、温度检测与实时时钟电路、Profibus-DP总线通信接口模块和万能式断路器控制器用户模块之间通信转换的硬件和软件的设计方法以及Profibus-DP总线通信的主要技术指标。对Profibus这种接口模块的物理层、数据链路层及具体的硬件连接和软件设计都作了较详细的阐述,为以后实现模块组态、设备互连以及设备管理等功能的现场总线系统铺平了道路。     

车载感知与智能终端的硬件设计

以S3C2440为核心,以WinCE操作系统作为平台,设计了基于CAN总线的车载感知硬件电路,运用微惯性测量单元实现对汽车自身运动状态的在线测量,并实现信息在智能终端的显示。融合当前流行的智能车载终端模块,实现GPS车载导航、GPRS无线通信、无线上网和智能报警等功能。     

GPS车辆监控系统车载终端的设计与实现

依据GPS车辆监控系统车载终端的工作原理及其基本功能,对车载终端硬件和软件提出了具体的设计方案和实现方法。详细介绍了主要功能模块及各模块与控制器的硬件接口电路,列举了GPS定位数据接收与处理的部分代码,给出了车载终端主程序设计流程。     

智能车载终端的GPRS多路连接通信的研究

随着人们对车辆的监控和调度的需求更加迫切,GPS车辆监控系统的发展迅速,智能车载终端会被要求与多个应用中心进行数据交互.提出并实现了智能车载终端的GPRS多路连接通信,根据终端需求,硬件上采用STM32作为终端的微控制器,SIM900A作为GPRS通信模块,终端还包括GPS模块、CAN收发电路、DS1302实时时钟等部分;软件上与单路连接作分析比较,实现了GPRS模块的启动及初始化、GPRS初始设置、连接多路IP、收发数据以及断线处理.经测试,终端能够实现所要求的功能,且稳定性好、工作效率高.     

基于电力线通信的智能语音通信模块设计

介绍了基于电力线载波通信的室内智能语音通信模块的设计思路和过程。以电力线载波收发模块为核心,采用AT89S52微控制器作为语音播放的控制单元,设计了电力线载波收发电路,语音录放电路和液晶显示电路。详细阐述了智能语音模块的硬件设计和软件设计。首端发送的数据可以在终端上通过12864液晶显示出来。     

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.