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Microc-Os-Ii-The-Real-<b>time</b>-Kerne

  • Control Systems

    Control Systems Engineering is an exciting and challenging field and is a multidisciplinary subject. This book is designed and organized around the concepts of control systems engineering using MATLAB, as they have been developed in the frequency and time domain for an introductory undergraduate or graduate course in control systems for engineer- ing students of all disciplines.

    标签: Control Systems

    上传时间: 2020-06-10

    上传用户:shancjb

  • Introduction to Dynamical Systems_Rainer Klages

    There exist two essentially different approaches to the study of dynamical systems, based on the following distinction: time-continuous nonlinear differential equations ⇋ time-discrete maps One approach starts from time-continuous differential equations and leads to time-discrete maps, which are obtained from them by a suitable discretization of time. This path is pursued, e.g., in the book by Strogatz [Str94]. 1 The other approach starts from the study of time-discrete maps and then gradually builds up to time-continuous differential equations, see, e.g., [Ott93, All97, Dev89, Has03, Rob95]. After a short motivation in terms of nonlinear differential equations, for the rest of this course we shall follow the latter route to dynamical systems theory. This allows a generally more simple way of introducing the important concepts, which can usually be carried over to a more complex and physically realistic context.

    标签: Systems_Rainer Introduction Dynamical Klages to

    上传时间: 2020-06-10

    上传用户:shancjb

  • Linear Control System Analysis and Design Fifth

    The countless technological advances of the twentieth century require that futureengineering educationemphasizebridging thegapbetweentheoryand the real world.Thisedition hasbeenprepared withparticular attentiontothe needs of undergraduates, especially those who seek a solid foundation in control theory aswellas an ability tobridgethe gapbetween control theory and itsreal- world applications.To help the reader achieve this goal, computer-aided design accuracy checks (CADAC) are used throughout the text to encourage good habits of computerliteracy.Each CADAC uses fundamentalconcepts to ensure the viability of a computer solution.

    标签: Analysis Control Linear Design System Fifth and

    上传时间: 2020-06-10

    上传用户:shancjb

  • PW1555-2.0.pdf规格书

    PW1555 is a programmable current limit switch with input voltage range selection and outputvoltage clamping. Extremely low RDS(ON) of the integrated protection N-channel FET helps toreduce power loss during the normal operation. Programmable soft-start time controls the slew rateof the output voltage during the start-up time. Independent enable control allows the complicatedsystem sequencing control. It integrates the over-temperature protection shutdown andautorecovery with hystersis

    标签: pw1555

    上传时间: 2022-02-14

    上传用户:

  • linux内核编程指南

    因此,您想编写一个内核模块。您知道C,您已经编写了一些可以作为进程运行的常规程序,现在您想知道真正的动作在哪里,一个通配指针可以擦掉文件系统,核心转储意味着重新启动。内核模块到底是什么?模块是可以根据需要加载和卸载的代码段。它们扩展了内核的功能,而无需重新引导系统。例如。模块驱动程序的一种类型是设备驱动程序,它允许内核访问没有模块的系统硬件,我们将不得不构建单片内核并将新功能直接添加到内核映像中,除了具有更大的内核之外,这还具有缺点每次我们想要新功能时都要求我们重建并重新启动内核的过程So, you want to write a kernel module. You know C, you, ve written a few normal programs to run as processes, and now you want to get to where the real action is, to where a single wild pointer can wipe out your file system and a core dump means a reboot.What exactly is a kernel module? Modules are pieces of code that can be loaded and unloaded into th upon demand. They extend the functionality of the kernel without the need to reboot the system. For example.one type of module is the device driver, which allows the kernel to access hardware connected to the syste without modules, we would have to build monolithic kernels and add new functionality directly into the em ernel image, Besides having larger kernels

    标签: linux

    上传时间: 2022-03-30

    上传用户:

  • 基于STM32的嵌入式语音识别模块设计

    基于STM32的嵌入式语音识别模块设计摘要:介绍了一种以ARM 为核心的嵌入式语音识别模块的设计与实现。模块的核心处理单元选用ST公司的基于ARM Cortex—M3内核的32位处理器STM32F103C8T6。本模块以对话管理单元为中心,通过以LD3320芯片为核心的硬件单元实现语音识别功能,采用嵌入式操作系统~c/os—II来实现统一的任务调度和外围设备管理。经过大量的实验数据验证,本文设计的语音识别模块具有高实时性、高识别率、高稳定性的优点。关键词:ARM;语音识别;对话管理;LD3320;~,c/os—II引 言服务机器人以服务为目的,冈此人们需要一种更方便、更自然、更加人性化的方式与机器人交互,而不再满足于复杂的键盘和按钮操作。基于听觉的人机交互是该领域的一个重要发展方向 ]。目前主流的语音识别技术是基于统计模式。然而,由于统计模型训练算法复杂,运算量大,一般由工控机、PC机或笔记本来完成,这无疑限制了它的运用。嵌入式语音交互已成为目前研究的热门课题l2 ]。嵌入式语音识别系统和PC机的语音识别系统相比,虽然其运算速度和内存容量有一定限制,但它具有体积小、功耗低、可靠性高、投入小、安装灵活等优点,特别适用于智能家居、机器人及消费电子等领域。1 模块整体方案及架构语音识别的基本原理 如图1所示。语音识别包括

    标签: stm32 嵌入式 语音识别

    上传时间: 2022-04-30

    上传用户:d1997wayne

  • 基于TMS320F28335的超声波流量计硬件原理图+软件源码

    基于TMS320F28335的超声波流量计硬件原理图+软件源码本文以TMS320F28335 处理器为核心,设计一种用于管道流量测量的超声波流量计。系统硬件由核心板,超声波发射和接收电路,切换电路,超声换能器,基于ADS805 的高速信号采集电路,人机交互以及电源等模块构成。采用时差法进行管道流量测量,时差测量采用SCOT 加权的广义互相关时延估计算法。本论文设计的超声波流量计具有测量速度快、准确性好、成本低等优点。关键字:C2000,超声波,流量,广义互相关算法AbstractA kind of ultrasonic flowmeter using for the pipe flow measurement is designed based onTMS320F28335 in this paper. The system hardware consists of the following parts: the core board,ultrasonic signal transmitter and receiver circuits, switch circuit, ultrasonic transducer, signalacquisition circuit based on ADS805, human-computer interaction module and power supplymodule, etc. The system use the method of time difference for pipeline flow measurement and thetime difference is calculated by the time-delay algorithm of SCOT weighted generalizedcross-correlation. The ultrasonic flowmeter has the features of high testing speed, high precisionand low cost, etc.Keywords: C2000,Ultrasonic, Flow, Generalized Cross-Correlation Algorithm

    标签: tms320f28335 超声波流量计

    上传时间: 2022-05-06

    上传用户:

  • uCOS和uCGUI在s3c2410上的整合移植

    LC/0S-IT是Micrium公司专为微控制器系统和软件开发而设计的抢占式的实时多任务操作系统微内核,经过十几年的发展,已经在众多领域的应用中取得了成功。就uC/OS-I本身而言,它仅仅是一个内核,还不能直接用于一个具体的工程项目,还必须与其它一些模块如TCP/IP、文件系统(FS)、图形界面(GUI)等等整合,其中图形界面(GUI)是一个成熟的工程产品不可缺少的部分。目前较为流行的嵌入式GUI有miroWindows,MiniGUI,QT/Embedded,OpenGUI,ucGUI等,而基于uC/OS-II平台的用的较多的是uCGUI。uCGUI是Micrium开发的一种基于嵌入式系统的图形界面支持系统.可以用于任何使用LCD图形显示的应用,提供高效的独立于处理器及LCD控制器的图形用户接口,可以在单任务或是多任务系统上运行,并适用于任意LCD控制器和CPU下任何尺寸的真实显示或虚拟显示。本文研究的CGUI和LC/0S-II在S3C2410上的移植整合,不涉及文件系统的移植,后面论述的重点由以下几个部分组成,第一部分简要的介绍C/0S-1l在S3C2410上移植,第二部分介绍基于C/0S-II的.CGUI的移植,第三部分给出一个测试用例。

    标签: ucos ucgui

    上传时间: 2022-06-25

    上传用户:shjgzh

  • 安森美车规级1080P图像传感器AR0231手册

    AR0231AT7C00XUEA0-DRBR(RGB滤光)安森美半导体推出采用突破性减少LED闪烁 (LFM)技术的新的230万像素CMOS图像传感器样品AR0231AT,为汽车先进驾驶辅助系统(ADAS)应用确立了一个新基准。新器件能捕获1080p高动态范围(HDR)视频,还具备支持汽车安全完整性等级B(ASIL B)的特性。LFM技术(专利申请中)消除交通信号灯和汽车LED照明的高频LED闪烁,令交通信号阅读算法能于所有光照条件下工作。AR0231AT具有1/2.7英寸(6.82 mm)光学格式和1928(水平) x 1208(垂直)有源像素阵列。它采用最新的3.0微米背照式(BSI)像素及安森美半导体的DR-Pix™技术,提供双转换增益以在所有光照条件下提升性能。它以线性、HDR或LFM模式捕获图像,并提供模式间的帧到帧情境切换。 AR0231AT提供达4重曝光的HDR,以出色的噪声性能捕获超过120dB的动态范围。AR0231AT能同步支持多个摄相机,以易于在汽车应用中实现多个传感器节点,和通过一个简单的双线串行接口实现用户可编程性。它还有多个数据接口,包括MIPI(移动产业处理器接口)、并行和HiSPi(高速串行像素接口)。其它关键特性还包括可选自动化或用户控制的黑电平控制,支持扩频时钟输入和提供多色滤波阵列选择。封装和现状:AR0231AT采用11 mm x 10 mm iBGA-121封装,现提供工程样品。工作温度范围为-40℃至105℃(环境温度),将完全通过AEC-Q100认证。

    标签: 图像传感器

    上传时间: 2022-06-27

    上传用户:XuVshu

  • STM32F103 Mini板 FreeRTOS例程

    STM32F103 Mini板 FreeRTOS例程.FreeRTOS是一个迷你的实时操作系统内核。作为一个轻量级的操作系统,功能包括:任务管理、时间管理、信号量、消息队列、内存管理、记录功能、软件定时器、协程等,可基本满足较小系统的需要。由于RTOS需占用一定的系统资源(尤其是RAM资源),只有μC/OS-II、embOS、salvo、FreeRTOS等少数实时操作系统能在小RAM单片机上运行。相对μC/OS-II、embOS等商业操作系统,FreeRTOS操作系统是完全免费的操作系统,具有源码公开、可移植、可裁减、调度策略灵活的特点,可以方便地移植到各种单片机上运行,其最新版本为10.1.0版。

    标签: stm32f103 mini freertos

    上传时间: 2022-06-30

    上传用户: