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  • C8051F320列车安全巡检仪的设计

    提出了一种基于C8051F320的列车安全巡检仪的设计方案,详细阐述了巡检仪的各个模块的硬、软件设计。巡检仪集信息采集、轴温检测、照明和记录存储等功能于一体,实现了对列车安全巡检工作有效的监督和科学管理。系统软件采用C51编写,对单片机进行有效的电源管理,保证了巡检仪的稳定性、可靠性和低功耗性。 Abstract:  This paper puts forward a design of train safety inspection based on C8051F320,describes all modules hardware and software design of inspection instrument.The inspection instrument has the function of information collection, axle’s temperature detection, lighting and records storage.It can supervise and administer train safety inspection work effectively.The system software using C51 can manage the power of single chip microcomputer, and guarantee the stability, reliability and low power consumption of the inspection instrument.

    标签: C8051F320 列车 仪的设计 巡检

    上传时间: 2013-12-22

    上传用户:落花无痕

  • 基于DSP的车载雷达测速系统设计

    针对运行中火车测速运用多普勒效应采用DSP 设计雷达测速系统并阐述了其基本设计思想与工作原理给出系统硬件软件设计结构和原理图改善了原有光电测速精度提高了系统工作稳定性和可靠性经实验证明DSP 采集板工作稳定测速效果好关键词DSP; 雷达测速; 多普勒效应 On Board DSP-Based Radar Speed Measurement System TANG Wei, SUN Zhi-fang, CHEN Quan (Dept.of computer Science,Yangtze University,Jingzhou 434023,China)Abstract: This paper presents a DSP-based train speed measurement by using Doppler radar. The structure of the system is introduced.The hardware and software are also discussed.Key words: DSP; rader speed measurement; doppler principle

    标签: DSP 车载 系统设计 雷达测速

    上传时间: 2013-10-27

    上传用户:003030

  • 采用TÜV认证的FPGA开发功能安全系统

    This white paper discusses how market trends, the need for increased productivity, and new legislation have accelerated the use of safety systems in industrial machinery. This TÜV-qualified FPGA design methodology is changing the paradigms of safety designs and will greatly reduce development effort, system complexity, and time to market. This allows FPGA users to design their own customized safety controllers and provides a significant competitive advantage over traditional microcontroller or ASIC-based designs. Introduction The basic motivation of deploying functional safety systems is to ensure safe operation as well as safe behavior in cases of failure. Examples of functional safety systems include train brakes, proximity sensors for hazardous areas around machines such as fast-moving robots, and distributed control systems in process automation equipment such as those used in petrochemical plants. The International Electrotechnical Commission’s standard, IEC 61508: “Functional safety of electrical/electronic/programmable electronic safety-related systems,” is understood as the standard for designing safety systems for electrical, electronic, and programmable electronic (E/E/PE) equipment. This standard was developed in the mid-1980s and has been revised several times to cover the technical advances in various industries. In addition, derivative standards have been developed for specific markets and applications that prescribe the particular requirements on functional safety systems in these industry applications. Example applications include process automation (IEC 61511), machine automation (IEC 62061), transportation (railway EN 50128), medical (IEC 62304), automotive (ISO 26262), power generation, distribution, and transportation. 图Figure 1. Local Safety System

    标签: FPGA 安全系统

    上传时间: 2013-11-05

    上传用户:维子哥哥

  • 轨道交通系统中列车定位技术

       阐述了轨道交通列车定位技术。介绍了在轨道交通系统中列车定位技术的功能,国内外轨道交通中主要采用的列车定位方法,重点论述了几种主要定位技术,并从定位精度、闭塞制式、维护投资成本、抗干扰等方面进行分析比较。提出目前轨道交通定位技术应综合运用,取长补短,多种方法相互融合,才能满足轨道交通中对安全可靠性的要求。 Abstract:  Rail train positioning technology is described. The paper introduces the funetions of the train positioning technology in the rail transit system, the main methods of train positioning do mestic and international rail, and focuses on several key methods, analyzes and compares from the positioning accuracy, block system, maintenance and investment cost, interference and so on, suggested that the current rail positioning technology should be integrated use of positioning method of meriging, learn from each other, to meet the reliability requirements of rail safety.

    标签: 轨道交通 列车 定位技术

    上传时间: 2013-11-25

    上传用户:franktu

  • 采用TÜV认证的FPGA开发功能安全系统

    This white paper discusses how market trends, the need for increased productivity, and new legislation have accelerated the use of safety systems in industrial machinery. This TÜV-qualified FPGA design methodology is changing the paradigms of safety designs and will greatly reduce development effort, system complexity, and time to market. This allows FPGA users to design their own customized safety controllers and provides a significant competitive advantage over traditional microcontroller or ASIC-based designs. Introduction The basic motivation of deploying functional safety systems is to ensure safe operation as well as safe behavior in cases of failure. Examples of functional safety systems include train brakes, proximity sensors for hazardous areas around machines such as fast-moving robots, and distributed control systems in process automation equipment such as those used in petrochemical plants. The International Electrotechnical Commission’s standard, IEC 61508: “Functional safety of electrical/electronic/programmable electronic safety-related systems,” is understood as the standard for designing safety systems for electrical, electronic, and programmable electronic (E/E/PE) equipment. This standard was developed in the mid-1980s and has been revised several times to cover the technical advances in various industries. In addition, derivative standards have been developed for specific markets and applications that prescribe the particular requirements on functional safety systems in these industry applications. Example applications include process automation (IEC 61511), machine automation (IEC 62061), transportation (railway EN 50128), medical (IEC 62304), automotive (ISO 26262), power generation, distribution, and transportation. 图Figure 1. Local Safety System

    标签: FPGA 安全系统

    上传时间: 2013-11-14

    上传用户:zoudejile

  • 无密码

    无密码,按CLOSE就可。 第一章是神经网络的基本介绍,第二章包括了由工具箱指定的有关网络结构和符号的基本材料以及建立神经网络的一些基本函数,例如new、init、adapt和train。第三章以反向传播网络为例讲解了反向传播网络的原理和应用的基本过程。

    标签: 密码

    上传时间: 2014-01-12

    上传用户:lwwhust

  • 首先确认您的机器上已经安装了VC6.0以上版本

    首先确认您的机器上已经安装了VC6.0以上版本,要编译生成可执行文件,需打开后缀名为dsw的文件,系统会默认用VC打开,然后选择Build菜单下的Set Active Configuration选项,选择Project Configuration为Win32 Release,然后编译项目,得到可执行文件。连接数据库请参照第2章的方法,在ODBC数据源内添加Microsoft Access数据库train.mdb,并将数据源名设定为train即可实现数据库和应用程序的正常连接,程序才能正常实现数据库的访问。另外,如果用户自己编写了.chm的帮助文档只要和可执行文件放在同一个目录下就可以了。 用户要修改程序源码可以选择相应的.h和.cpp文件,本实例使用的命名规则基本是:DIALOG_***** 为管理对话框资源, *****Info为数据输入窗口资源, *****Set为结果集对应的类

    标签: 6.0 VC 机器 版本

    上传时间: 2013-11-29

    上传用户:gyq

  • 员工培训系统,首先确认您的机器上已经安装了VC6.0以上版本

    员工培训系统,首先确认您的机器上已经安装了VC6.0以上版本,要编译生成可执行文件,需打开后缀名为dsw的文件,系统会默认用VC打开,然后选择Build菜单下的Set Active Configuration选项,选择Project Configuration为Win32 Release,然后编译项目,得到可执行文件。连接数据库请参照第2章的方法,在ODBC数据源内添加Microsoft Access数据库train.mdb,并将数据源名设定为train即可实现数据库和应用程序的正常连接,程序才能正常实现数据库的访问。另外,如果用户自己编写了.chm的帮助文档只要和可执行文件放在同一个目录下就可以了。 用户要修改程序源码可以选择相应的.h和.cpp文件,本实例使用的命名规则基本是:DIALOG_***** 为管理对话框资源, *****Info为数据输入窗口资源, *****Set为结果集对应的类

    标签: 6.0 VC 机器

    上传时间: 2015-08-26

    上传用户:wmwai1314

  • MULTIDIMENSIONAL SCALING in matlab by Mark Steyvers 1999 %needs optimization toolbox %Modified b

    MULTIDIMENSIONAL SCALING in matlab by Mark Steyvers 1999 %needs optimization toolbox %Modified by Bruce Land %--Data via globals to anaylsis programs %--3D plotting with color coded groups %--Mapping of MDS space to spike train temporal profiles as described in %Aronov, et.al. "Neural coding of spatial phase in V1 of the Macaque" in %press J. Neurophysiology

    标签: MULTIDIMENSIONAL optimization Modified Steyvers

    上传时间: 2015-08-26

    上传用户:kytqcool

  • ApMl provides users with the ability to crawl the web and download pages to their computer in a dire

    ApMl provides users with the ability to crawl the web and download pages to their computer in a directory structure suitable for a Machine Learning system to both train itself and classify new documents. Classification Algorithms include Naive Bayes, KNN

    标签: the provides computer download

    上传时间: 2015-11-29

    上传用户:ywqaxiwang