提出一種基于凌陽(yáng)單片機(jī)的步進(jìn)電機(jī)加減速的控制方法。采用凌陽(yáng)科技推出的16位結(jié)構(gòu)工控單片機(jī)SPMC75F2413A為控制器，由Allegro公司生產(chǎn)的兩相步進(jìn)電機(jī)專(zhuān)用驅(qū)動(dòng)器件SLA7042M構(gòu)成步進(jìn)電機(jī)的驅(qū)動(dòng)電路，在傳統(tǒng)的3段直線加減速控制算法基礎(chǔ)上增加至7段S形曲線加減速過(guò)程，控制步進(jìn)電機(jī)的啟動(dòng)和停止。實(shí)驗(yàn)結(jié)果表明，該控制方法克服了直線加減速中不連續(xù)、易造成系統(tǒng)沖擊的問(wèn)題，整個(gè)系統(tǒng)實(shí)現(xiàn)柔性控制，電機(jī)啟動(dòng)、停止連續(xù)性能提高30%。 Abstract: The method of controlled stepping MOTOR is referred based on SPMC75F2413A MCU， which adopts the 16 knots SPMC75F2413A MCU as the controller. The special-purpose actuation chip SLA7042M of two stepping MOTOR produced by Allegro Corporation constituted to actuation electric circuit. The purpose of increasing to seven section of S shape curve based on the traditional three sections of straight line is to control the start and stop process of stepping MOTOR. The experimental results show that the control method solves easy to pull-out and overshot problems. The overall system realizes flexible control， and the performance of MOTOR start or stop continuity is increased 30%
標(biāo)簽： 凌陽(yáng)單片機(jī) 步進(jìn)電機(jī) 減 控制方法
上傳時(shí)間： 2013-12-08
上傳用戶(hù)：jiangfire
首先研究CAN總線和SAE J1939協(xié)議，提出一種基于MC9S12HZ256微控制器的總線式汽車(chē)數(shù)字儀表解決方案。詳細(xì)介紹SAE J1939協(xié)議的報(bào)文幀格式及應(yīng)用層協(xié)議中發(fā)動(dòng)機(jī)相關(guān)參數(shù)的定義，以及步進(jìn)電機(jī)及其驅(qū)動(dòng)和車(chē)速信號(hào)的處理方法。該數(shù)字儀表系統(tǒng)硬件平臺(tái)由微處理器和信號(hào)采集和信息處理及顯示等模塊組成。軟件設(shè)計(jì)部分編程實(shí)現(xiàn)了對(duì)CAN總線和各傳感器數(shù)據(jù)的讀取、處理。該系統(tǒng)能夠?qū)崟r(shí)反映車(chē)輛工況。 Abstract: In this paper，CAN bus and SAE J1939protocol are researched，and a vehicle digital instrument solution based on MC9S12HZ256MCU is proposed.The message frame format and some engine-related parameters’definition in SAE J1939application layer protocol are introduced in detail.Stepper MOTOR and its driver，the methods of speed signal process-ing are also introduced.The hardware platform of vehicle digital instrument is composed by MCU，signal acquisition mod-ule，and signal processing and displaying module.Data receiving and processing from CAN bus and sensors are accom-plished by programming，and vehicle condition can be reflected in real-time.
上傳時(shí)間： 2013-10-20
上傳用戶(hù)：huannan88
應(yīng)用德國(guó)Micronas公司的CDC3207G微控制器開(kāi)發(fā)了一款汽車(chē)儀表板系統(tǒng)。詳細(xì)地介紹了該系統(tǒng)的硬件原理，以及步進(jìn)電機(jī)，音頻控制，LCD顯示，LED指示燈和報(bào)警燈等幾個(gè)模塊的實(shí)現(xiàn)方法。應(yīng)用μC/OS-II實(shí)時(shí)操作系統(tǒng)開(kāi)發(fā)軟件。著重介紹了啟動(dòng)代碼的設(shè)計(jì)和任務(wù)的規(guī)劃。 Abstract: A dashboard system is developed by using CDC3207G microcontroller made by Micronas.The hardware of the sys-tem and the realization of the step MOTOR module,audio module,LCD display and LED indicator and alarm module are ex-plained in detail.The μC/OS-II real-time operating system is used for the software development and the starting code design and the task planning is explained specifically.
標(biāo)簽： 3207G 3207 CDC 汽車(chē)儀表板
上傳時(shí)間： 2013-10-26
上傳用戶(hù)：x4587
介紹了采用ATmega48單片機(jī)實(shí)現(xiàn)三相無(wú)刷直流電機(jī)控制器的方法。利用Atmega48獲得帶死區(qū)的脈寬調(diào)制（PWM）、霍爾傳感器的換相處理、正弦驅(qū)動(dòng)信號(hào)的產(chǎn)生和電機(jī)轉(zhuǎn)速的控制等功能。采用該方法的優(yōu)點(diǎn)是所需的外圍器件少，成本低。 Abstract: The method of 3-phase brushless DC MOTOR control based on ATmega48 is presented in this paper.The system uses ATmega48 to generate PWM signals with dead-time, hall sensors signals commutation，sine driving signal and rotational speed of MOTOR.Using this method，the needed external devices are few, the cost is low.
標(biāo)簽： ATmega 48 無(wú)刷電機(jī) 控制方法
上傳時(shí)間： 2013-12-09
上傳用戶(hù)：330402686
在汽車(chē)發(fā)動(dòng)機(jī)起動(dòng)時(shí)，若發(fā)動(dòng)機(jī)起動(dòng)后起動(dòng)機(jī)不能及時(shí)斷電，將會(huì)燒毀起動(dòng)機(jī)或損壞飛輪齒環(huán)；若變速器不在空檔位置起動(dòng)，則起動(dòng)機(jī)的瞬間動(dòng)力將使汽車(chē)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(jī)控制的汽車(chē)起動(dòng)保護(hù)控制器，通過(guò)檢測(cè)汽車(chē)起動(dòng)開(kāi)關(guān)、變速箱檔位、發(fā)動(dòng)機(jī)轉(zhuǎn)速，實(shí)現(xiàn)對(duì)汽車(chē)發(fā)動(dòng)機(jī)起動(dòng)過(guò)程檢測(cè)和保護(hù)。起動(dòng)保護(hù)控制器在發(fā)動(dòng)機(jī)起動(dòng)過(guò)程中通過(guò)采用逐個(gè)關(guān)閉打開(kāi)負(fù)載系統(tǒng)，解決汽車(chē)發(fā)動(dòng)機(jī)過(guò)程中因起動(dòng)電流大而對(duì)汽車(chē)電源的沖擊影響,延長(zhǎng)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(shí)間： 2013-10-15
上傳用戶(hù)：mikesering
基于AT89C52單片機(jī)的步進(jìn)電機(jī)控制系統(tǒng)設(shè)計(jì) 摘 要: 提出了一個(gè)由AT89C52單片機(jī)控制步進(jìn)電機(jī)的實(shí)例。可以通過(guò)鍵盤(pán)輸入相關(guān)數(shù)據(jù), 并根據(jù)需要, 實(shí)時(shí)對(duì)步進(jìn)電機(jī)工作方式進(jìn)行設(shè)置, 具有實(shí)時(shí)性和交互性的特點(diǎn)。該系統(tǒng)可應(yīng)用于步進(jìn)電機(jī)控制的大多數(shù)場(chǎng)合。實(shí)踐表明, 系統(tǒng)性能優(yōu)于傳統(tǒng)的步進(jìn)電機(jī)控制器。 關(guān)鍵詞: 單片機(jī); 步進(jìn)電動(dòng)機(jī); 直流固態(tài)繼電器; 實(shí)時(shí)控制 ABSTRACT: A stepp ing MOTOR control system based on AT89C52 chip microcomputer was described.The data can be inputwith keyboard, and stepp ingMOTORwas controlled by these data. According to the demand, users can set the workingmodel of stepp ingMOTOR in real2time. This system can be widely used in stepp ing MOTOR controlling. The p ractice showed that the performance of this system outdid the tradi-tional stepp ing MOTOR controller.
上傳時(shí)間： 2013-11-22
上傳用戶(hù)：vodssv
基于單片機(jī)的步進(jìn)電機(jī)開(kāi)環(huán)控制系統(tǒng):通過(guò)ATMEL89C51單片機(jī)對(duì)步進(jìn)電機(jī)進(jìn)行控制,主要介紹了步進(jìn)電機(jī)控制器、驅(qū)動(dòng)電路和LED顯示電路的設(shè)計(jì),實(shí)現(xiàn)了步進(jìn)電機(jī)的開(kāi)環(huán)控制。在步進(jìn)電機(jī)控制器的設(shè)計(jì)中,重點(diǎn)闡述了脈沖產(chǎn)生電路以及對(duì)速度的控制。該系統(tǒng)具有成本低、控制方便的特點(diǎn)。關(guān)鍵詞: 單片機(jī); 步進(jìn)電機(jī); 開(kāi)環(huán)控制 Abstract: The design using ATMEL89C51 single chip to control the step2MOTOR with its controller, driving circuit and LED disp lay circuit to realize step MOTOR open2loop controlwere introduced. For the controller in this design,the circuit to p roduce pulse and the speed controlwere expatiated emphatically. This system possesses features of lower cost, easier control.Key words: single ch ip; step2MOTOR; open2loop con trol
標(biāo)簽： 單片機(jī) 步進(jìn)電機(jī) 開(kāi)環(huán) 控制系統(tǒng)
上傳時(shí)間： 2013-10-13
上傳用戶(hù)：cicizoe
針對(duì)無(wú)位置傳感器無(wú)刷直流電機(jī)的位置檢測(cè)問(wèn)題，本文應(yīng)用單片機(jī)成功地實(shí)現(xiàn)了一種軟件檢測(cè)方法，并給出了實(shí)測(cè)波形加以驗(yàn)證。關(guān)鍵詞： 無(wú)刷直流電機(jī) 無(wú)傳感器 位置檢測(cè)Abstract: As to the position-detecting problem of sensorless brushless DC MOTOR, a softwarerealization by microcomputer is proposed successfully in the paper. Experiment results are also presented to verify the method.Keywords: brushless DC MOTOR, sensorless, position detecting
標(biāo)簽： BLDCM 無(wú)傳感器 位置檢測(cè) 單片機(jī)軟件
上傳時(shí)間： 2013-11-01
上傳用戶(hù)：aappkkee
該文介紹了開(kāi)關(guān)磁阻電機(jī)的基本原理，設(shè)計(jì)了一種用80C196 單片機(jī)實(shí)現(xiàn)的開(kāi)關(guān)磁阻電機(jī)驅(qū)動(dòng)系統(tǒng)，并對(duì)該開(kāi)關(guān)磁阻電機(jī)調(diào)速系統(tǒng)的性能進(jìn)行了實(shí)驗(yàn)與測(cè)試，實(shí)驗(yàn)證明該系統(tǒng)運(yùn)行可靠。開(kāi)關(guān)磁阻電動(dòng)機(jī)是磁阻電動(dòng)機(jī)與電子開(kāi)關(guān)驅(qū)動(dòng)控制器組成的控制裝置，又稱(chēng)開(kāi)關(guān)磁阻電機(jī)驅(qū)動(dòng)系統(tǒng)（Switched Reluctance MOTOR drive,簡(jiǎn)稱(chēng)SRD）。電機(jī)結(jié)構(gòu)簡(jiǎn)單堅(jiān)固，運(yùn)行可靠，系統(tǒng)具有啟動(dòng)轉(zhuǎn)矩高、啟動(dòng)電流低、調(diào)速范圍寬、運(yùn)行效率高，特別適用于頻繁啟停及正反轉(zhuǎn)運(yùn)行，使得SRD 成為交，直流電機(jī)驅(qū)動(dòng)系統(tǒng)以及無(wú)刷直流電機(jī)驅(qū)動(dòng)系統(tǒng)的強(qiáng)有力競(jìng)爭(zhēng)者。目前，SRD 已用于多個(gè)領(lǐng)域，如：電動(dòng)車(chē)驅(qū)動(dòng)、家用電器、伺服與調(diào)速系統(tǒng)等許多領(lǐng)域。本文設(shè)計(jì)了一個(gè)以 80C196 單片機(jī)為控制核心的SRD 的控制系統(tǒng)，充分利用了SRD 電機(jī)控制方式靈活的特點(diǎn)，采用數(shù)字化控制系統(tǒng)對(duì)SR 電機(jī)進(jìn)行控制，簡(jiǎn)化了硬件電路，提高了系統(tǒng)的可靠性。
標(biāo)簽： 單片機(jī) 開(kāi)關(guān)磁阻 電機(jī)驅(qū)動(dòng) 系統(tǒng)設(shè)計(jì)
上傳時(shí)間： 2013-11-05
上傳用戶(hù)：18711024007
提出了一個(gè)由AT89C52單片機(jī)控制步進(jìn)電機(jī)的實(shí)例。可以通過(guò)鍵盤(pán)輸入相關(guān)數(shù)據(jù), 并根據(jù)需要, 實(shí)時(shí)對(duì)步進(jìn)電機(jī)工作方式進(jìn)行設(shè)置, 具有實(shí)時(shí)性和交互性的特點(diǎn)。該系統(tǒng)可應(yīng)用于步進(jìn)電機(jī)控制的大多數(shù)場(chǎng)合。實(shí)踐表明, 系統(tǒng)性能優(yōu)于傳統(tǒng)的步進(jìn)電機(jī)控制器。關(guān)鍵詞: 單片機(jī); 步進(jìn)電動(dòng)機(jī); 直流固態(tài)繼電器; 實(shí)時(shí)控制Con trol System of Stepp ingMOTOR Ba sed on AT89C52 ChipM icrocomputerMENGWu2sheng, L ILiang (College of Automatization, Northwestern Polytechnical Unversity, Xipan 710072, China)ABSTRACT: A stepp ing MOTOR control system based on AT89C52 chip microcomputer was described.The data can be inputwith keyboard, and stepp ingMOTORwas controlled by these data. According to the demand, users can set the workingmodel of stepp ingMOTOR in real2time. This system can be widely used in stepp ing MOTOR controlling. The p ractice showed that the performance of this system outdid the tradi tional stepp ing MOTOR controller.KEY WORDS: Chip microcomputer; Stepp ingMOTOR; DCSSR; Real2time control
標(biāo)簽： Control System ingMot Stepp
上傳時(shí)間： 2013-11-19
上傳用戶(hù)：leesuper
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