在汽車發動機起動時,若發動機起動后起動機不能及時斷電,將會燒毀起動機或損壞飛輪齒環;若變速器不在空檔位置起動,則起動機的瞬間動力將使汽車位移,還可能引起交通事故和人身安全。為此介紹一種利用NXP P89LPC901單片機控制的汽車起動保護控制器,通過檢測汽車起動開關、變速箱檔位、發動機轉速,實現對汽車發動機起動過程檢測和保護。起動保護控制器在發動機起動過程中通過采用逐個關閉打開負載系統,解決汽車發動機過程中因起動電流大而對汽車電源的沖擊影響,延長了電瓶壽命。 Abstract: When the automotive engine is started, the engine start motor and flywheel gear may be damaged, even traffic accidents and personal safeties may be caused by wrong operation or other factors.In order to ensure the automotive engine can be started normally and safely,it is necessary that the protecting measures and methods are considered in the automotive electrical control system.This paper introduces a kind of the automotive engine starting protect controller based on NXP P89LPC901 MCU.The controller can protect the engine starting process by detecting the starter key switch,transmission stall and engine speed.Through the use of close and open load system,the controller can solve the impact on automotive power because of the high-current load in the process of the automobile engine starting, and extend battery life.
上傳時間: 2013-10-15
上傳用戶:mikesering
針對目前燃氣灶市場的狀況,提出一種基于PIC16C711單片機的燃氣灶脈沖點火控制器設計,具體包括有系統的組成和功能介紹、硬件電路設計及軟件功能實現。 Abstract: Aiming at today’s gas cooker market, a pulse ignition controler design based on PIC16C711 is presented.The specific descriptions of system components and functions,hardware circuit design and software function are given.
上傳時間: 2013-10-31
上傳用戶:zhqzal1014
利用MAXQ2000微控制器實現快速傅里葉變換
上傳時間: 2013-11-06
上傳用戶:llandlu
介紹一種應用于長城賽弗SUV汽車后門車窗多功能控制器,能實現對電動玻璃車窗、車窗雨刮器、噴水器以及電加熱除霜器等控制。介紹了基于NXP P89LPC922單片機多功能汽車后車窗控制器的控制功能、硬件電路原理和軟件設計方法。 Abstract: This paper presents a multipurpose automotive rear windows controller for CHANGCHENG SAFE SUV.The controller can control rear power-operated window,rear wiping,washing water pump and rear defroster of the windows. In this paper, it is introduced in detail that the functions and the design of the circuit and program of the controller based on NXP P89LPC922 MCU.
上傳時間: 2013-11-13
上傳用戶:z754970244
采用單片機技術,設計了一種車用空調控制器。控制器可對空調的各個部件進行控制,實現制冷制熱、調整風量及控制風口的變換等操作。系統采用液晶顯示屏顯示,由程序控制實現各個環節的功能,方便了汽車駕駛員的操作。該設計具有很高的實用價值,可適用于現有的大多數汽車以及工程車。
上傳時間: 2013-10-19
上傳用戶:mnacyf
介紹了電力操作電源與智能電池巡檢系統的特點,給出了一種基于超低功耗單片機MSP430 F149針對中小型變電站自動化運行的專用設備的基本設計原理及實現方法,最后給出了詳細硬件構成和軟件實現。該系統能滿足中小型變電站安全、可靠、自動運行的要求,并通過與上位機的串行通信實現變電站的遠程管理和控制。 Abstract: The characters of the intelligent battery data logging system of the electric operation power are introduced.The basic design principle and the implemented methods of the special equipment which only designed for the middle or small transformer substation based on MSP430F149 are prescribed. Finally, the hardware block diagram and the software flow chart are also given. The function that the system finally needs to realize can basically meet with the middle or small transformer substation’s satisfy, reliably,and automatic running.And it can also realize the transformer substation long-distance management and control by serial communicating with the host computer.
上傳時間: 2013-11-25
上傳用戶:黃華強
出了一種利用ATmega8單片機對ISD2500系列語音芯片進行控制的智能語音系統,此系統使用靈活,易于功能升級,具有良好的應用前景。提供了硬件連接電路和關鍵源程序。 Abstract: An intelligent voice system using ISD2500 series voice chips based on ATmega8 MCU is described.This system is flexible and easy to upgrade for users,and it has pretty good using foreground. The circuit diagram and the key program are also provided.
上傳時間: 2014-01-22
上傳用戶:Artemis
DS1991是一種多密鑰信息紐扣,文章介紹了DS1991的主要特點、工作原理及讀寫方法。給出了一種基于DS1991和PIC單片機的智能水卡設計方案,同時給出了整個系統的硬件組成原理和軟件設計方法。 Abstract: DS1991 is a multikey iButton. The characteristic operation principle and the way of read/write of DS1991 are introduced in the paper. A smart water card based on DS1991 and PIC singlechip is presented the design of hardware and software are also given
上傳時間: 2013-11-06
上傳用戶:李彥東
對智能儀器系統中的在系統編程(ISP)技術及其在儀器系統中在線編程的實現、應用前景等進行了分析。介紹了P89C669相對于傳統51系列單片機的增強特性,并給出P89C669快閃存儲器的ISP實現電路和具體方法。結合實際介紹了一種可以在系統編程的智能鍵盤、數碼管顯示系統。
上傳時間: 2013-12-27
上傳用戶:LouieWu
介紹了一種基于BF561的智能視頻監控器的設計和實現。給出了系統的總體結構、系統各部分的硬件組成以及系統的主要算法和軟件實現。測試結果表明,本設計具有良好的實時性、穩定性和準確性,可用于視頻監控業務。
上傳時間: 2013-11-15
上傳用戶:baitouyu