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按分类查找All 系统设计方案(16) 
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[系统设计方案] WWY

基于protues放真的倒计时器dsn文件 电路图
To based protues dsn file schematic put really countdown (2012-11-21, Asm, 16KB, 下载6次)

http://www.pudn.com/Download/item/id/2054885.html

[系统设计方案] liquid-level-control-device

介绍了一种液位自动控制器的设计,包括各模块的具体实施方案的论证、硬件设计和软件开发流程。
An automatic level controller design, including the demonstration of the specific implementation plan for each module, the hardware design and software development process. (2012-06-19, Asm, 60KB, 下载5次)

http://www.pudn.com/Download/item/id/1917936.html

[系统设计方案] Satellite-antenna-controller

本文介绍了一种用AT89C51单片机实现的卫星天线跟踪控制器的控制原理,硬件结构及软件设计方法.
This paper introduces the control principle of a satellite antenna tracking controller with AT89C51 microcontroller, the hardware architecture and software design methods. (2012-06-19, Asm, 27KB, 下载19次)

http://www.pudn.com/Download/item/id/1917935.html

[系统设计方案] multi-channel-real-time-acquisition-

多路压力参数实时采集与处理系统设计可以采集两路参数、参数分辨率为8位的实时数据采集与处理系统。假定两路压力参数对应的直流电压在0~5V范围内变化,输出显示为0~2000Pa,要求对通道0每隔1s采样一次,共采集20次;对通道1每隔2s采样一次,共采集10次。并要求将不同通道采集的数据进行相应的处理后以电压值的形式分别显示在显示器的不同区域上。
The pressure parameters of the multi-channel real-time acquisition and processing system design (2012-04-18, Asm, 551KB, 下载9次)

http://www.pudn.com/Download/item/id/1834789.html

[系统设计方案] 1

此文本是关于储水箱水温显示控制器的设计与制作
Water storage tank design and production of display controller (2011-11-06, Asm, 302KB, 下载2次)

http://www.pudn.com/Download/item/id/1690089.html

[系统设计方案] Microsoft-Word--(2)

微机原理 波形发生器的课程设计 希望对大家有用
Microcomputer Principle waveform generator hope useful for curriculum design (2011-06-24, Asm, 1052KB, 下载8次)

http://www.pudn.com/Download/item/id/1579304.html

[系统设计方案] honghuaitongxun

本文介绍了红外遥控的基本工作原理;红外发光二极管的特性;红外接收头详解;红外编码方式;单片机的应用;红外遥控程序流程图及通过对红外遥控器各按键发送中波形的分析可以识别码型,从而为软件解码提供依据。本文以实例介绍红外遥控器与单片机的硬件接口,并从原理出发给出软件解码的方法。这是一个可以直接引用的成功例子,同时也为各类红外遥控器在单片机控制产品中的开发应用提供了一个非常实用的参考。
This article describes the basic working principle of infrared remote control infrared light-emitting diode characteristics infrared receiver head Xiang Jie infrared encoding microcomputer applications infrared remote control program flow diagram and through the various buttons on the infrared remote control to send the waveform analysis can identify code type, and thus provide a basis for software decoding. This paper describes examples of infrared remote control with the MCU hardware interface and software decoder is given starting from the principle of the method. This is an example of success can be directly referenced, but also for all kinds of infrared remote control products in the SCM in the development and application provides a very useful reference. (2010-03-26, Asm, 284KB, 下载79次)

http://www.pudn.com/Download/item/id/1100472.html

[系统设计方案] DSPSControlUPS

功率变换器的数字化实时控制是电力电子技术的一个重要发展方向。提出了一种新型的基于电感电流模式的双环数字控制器,给出了详细的设计过程,仿真和实验结果验证了数字控制器设计的正确性。
DSP Controlled UPS (2010-01-23, Asm, 43KB, 下载24次)

http://www.pudn.com/Download/item/id/1049137.html

[系统设计方案] DigitalPFC

数字控制逐渐和电力电子应用紧密结合,功率因数校正是电子技术的一个重要应用. 在高压大 功率的应用场合,为了减少电磁干扰和提高系统的效率,研究了数字控制的有源功率因数校正(Active Power Factor Correction ,APFC) 的基本原理及实现方法,详细分析了在连续调制模式下的升压型有源功率 因数校正技术整体控制方案. 为了验证该方案的正确性,本文搭建了一台试验样机,实验证明了该功率 因数校正电路可以稳定地将功率因数提高到0. 99 以上,并将总谐波畸变率降至5 以下,在结果中给出 了实验的输入端波形.
Digital control of PFC (2010-01-23, Asm, 193KB, 下载76次)

http://www.pudn.com/Download/item/id/1049135.html

[系统设计方案] abc

基于单片机的交通灯控制器的设计与实现 系统设计方案
Microcontroller-based traffic light controller design and implementation of (2009-09-03, Asm, 190KB, 下载5次)

http://www.pudn.com/Download/item/id/899143.html

[系统设计方案] STC12C5410AD-based-on-the-DDS-signal-generator

内容:包含原程序代码和protel99格式的原理图。 工作模式:扫频、点频、跳频。 实现功能:液晶显示频率值、工作模式。 硬件资源:STC12C5410AD、ad9850、LCD12232F。
Content: contains the original program code and schematics protel99 format. Working modes: Sweep, point-frequency, frequency hopping. Implementation features: LCD frequency value, the working mode. Hardware resources: STC12C5410AD, ad9850, LCD12232F. (2009-02-24, Asm, 96KB, 下载157次)

http://www.pudn.com/Download/item/id/652072.html

[系统设计方案] 1325

系统主要由单片机和GSM短信模块组成,借助最可靠、最成熟的GSM移动网络,以最直观的中文短消息或电话形式,直接把报警地点的情况反映到您的手机屏幕上。它采用主动式红外传感器进行检测,变有形的传统防盗网防盗窗为无形,给火灾时的逃生提供方便。并配备烟雾传感器和燃气泄漏传感器,实现防火、防燃气泄漏的作用。
System is mainly composed of SCM and GSM SMS modules, with the most reliable, most mature GSM mobile networks in the most intuitive of the Chinese short message or telephone, directly to the alarm location is reflected to your cell phone screen. It uses active infrared sensors to detect physical changes the traditional anti-theft anti-theft window for an invisible net to fire escape with ease. And equipped with smoke sensors and gas leakage sensors, to achieve fire safety, the role of anti-gas leakage. (2008-12-28, Asm, 171KB, 下载94次)

http://www.pudn.com/Download/item/id/618354.html

[系统设计方案] diannaoshizhongchengxu

通过控制单片机内部的定时器来产生不同频率的方波,驱动喇叭发出不同音调的音乐,再利用延迟来控制发音时间的长短。把乐谱转化成相应的定时常数就可以从发音设备中演奏出悦耳动听的音乐。对于不同型号的单片机只需要相应的改变一下地址即可。
Single-chip by controlling the internal timer to generate a square wave of different frequencies, different tone horn-driven music, re-use the delay to control the length of pronunciation. The scores from time to time into the corresponding constant can be played from the sound equipment out of enchanting music. For different models of single-chip only need to change the corresponding address. (2008-11-23, Asm, 4KB, 下载8次)

http://www.pudn.com/Download/item/id/586350.html

[系统设计方案] diandongzhinengxiaoche

采用单片机为控制核心,利用超声波传感器检测道路障碍,控制电动小汽车的自动避障,快慢速行驶,自动停车,并自动记录时间、里程和速度,自动寻迹和寻光功能。
Single-chip computer to control the core, the use of ultrasonic sensors detect obstacles roads, control of electric cars automatic obstacle avoidance, fast low traffic speeds, automatic parking, and automatically record time, mileage and speed, automatic ray tracing and searching functionality. (2008-05-09, Asm, 369KB, 下载32次)

http://www.pudn.com/Download/item/id/457776.html

[系统设计方案] tafficlinght

该控制器能实现城市“十字”路口正常情况下以及特殊情况和紧急情况下交通信号灯的模拟控制。 1、在十字路口东西南北各设置红、黄、绿三种信号灯,如图1所示。正常情况下,东西、南北方向轮流放行。当东西方向(A线)放行、南北方向(B线)禁行时,东西方向(A线)绿灯亮25秒,然后黄灯亮5秒,南北方向(B线)红灯亮30秒;当南北方向(B线)放行、东西方向(A线)禁行时,南北方向(B线)绿灯亮25秒,然后黄灯亮5秒,东西方向(A线)红灯亮30秒。如此循环,实现交通灯定时控制。 2、有急救车优先通过功能。当有急救车到达时,路口的信号灯全部变红灯,以便急救车通过,急救车的通行时间为10秒,急救车过后,交通灯恢复先前状态。 3、交通灯在红、绿灯交替点亮中,用两个数码管显示点亮的灯还能持续的时间。 (2008-05-07, Asm, 4258KB, 下载223次)

http://www.pudn.com/Download/item/id/455405.html

[系统设计方案] SensorlessMotorDrivewithST62MCU

无刷电机是在嵌入式系统中广泛使用的动作机,文章给出了一种巧妙的无刷电机驱动方法,并且提供了驱动电机所需的汇编代码,用便捷廉价的方法,实现了无刷电机的驱动,而且有一个关键优势:不需要传感器!
brushless motor is in embedded system widely used in aircraft movements. The article gives a deceptively brushless motor drive, and provides the necessary drive motor assembly code, with convenient and cheap method to achieve a brushless motor drive, but is a key advantage : no need for sensors! (2006-08-01, Asm, 218KB, 下载53次)

http://www.pudn.com/Download/item/id/206930.html
总计:16