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1、沈陽理工大學(xué)學(xué)士學(xué)位論文摘要隨著電子技術(shù)的飛速發(fā)展，新型大規(guī)模遙控集成電路的不斷出現(xiàn)，使得遙控技術(shù)有了日新月異的發(fā)展。遙控裝置的中心控制部件已從早期的分立元件、集成電路逐步發(fā)展到現(xiàn)在的單片微型計(jì)算機(jī)，智能化程度大大提高。近年來，遙控技術(shù)在工業(yè)生產(chǎn)、家用電器、安全保衛(wèi)以及人們的日常生活中使用越來越廣泛。無線電遙控技術(shù)的誕生，起源于無線電通信技術(shù)，最初的構(gòu)想是無線電電報(bào)技術(shù)的建立，真空電子管的發(fā)明使得無線電技術(shù)的應(yīng)用和普及很快應(yīng)用在民用和軍用等各個領(lǐng)域。自從愛迪生發(fā)明電燈以來，人類對照明電器的開啟和關(guān)斷控制主要使用手動機(jī)械開關(guān)。隨著無線電的發(fā)展，從上個世紀(jì)60年代開始，相繼出現(xiàn)了無線電遙控
2、的小車。本次設(shè)計(jì)的無線遙控車系統(tǒng)以STC89C52單片機(jī)為核心。主要是有發(fā)射部分、接收部分和電機(jī)控制三部分組成。無線模PT2262制作的發(fā)射頻率為315MHz的無線波段來發(fā)送控制信號，通過無線接收解碼芯片PT2272解碼，單片機(jī)處理PT2272解碼后的電平信號對驅(qū)動芯片L298進(jìn)行相應(yīng)的控制小車的電機(jī)動作。發(fā)送和接收部分是采用專用的無線編碼和解碼芯片，實(shí)現(xiàn)小車能前進(jìn)、后退、左轉(zhuǎn)、右轉(zhuǎn)等相關(guān)動作。小車操作方便，控制可靠性高，性價比高等優(yōu)點(diǎn)。關(guān)鍵詞：無線遙控；STC89C52單片機(jī)；驅(qū)動芯片L298沈陽理工大學(xué)學(xué)士學(xué)位論文AbstractWiththerapiddevelopmentofe
3、lectronictechnology,theappearanceofnewlarge-scaleremotecontrolintegratedcircuits,makeremotecontroltechnologywiththerapiddevelopment.Thecenteroftheremotecontroldevicecontrolunithasbeenfromtheearlydiscretecomponent,integratedcircuitgraduallydevelopedtothepresentsinglechipmicrocomputer,intelligentd
4、egreeisgreatlyincreased.Inrecentyears,remotecontroltechnologyinindustrialproduction,householdappliances,security,andPeople'sDailylifemoreandmorewidelyused.Thebirthofthewirelessremotecontroltechnology,originatedintheradiocommunicationtechnology,theoriginalideaistheestablishmentofradiotelegraphy,t
5、heinventionofthevacuumtubetomaketheapplicationandpopularityofradiotechnologyquicklyappliedincivilandmilitaryandotherfields.SinceThomasEdisoninventedelectriclight,humanopenandshutoffthecontroloflightingismainlyusethemanualmechanicalswitch.Withthedevelopmentoftheradio,fromthelastcentury60s,thereap
6、pearedthewirelessremotecontrolcar.ThedesignofthewirelessremotecontrolcarsystemwithSTC89C52single-chipmicrocomputerasthecore.Mainlyhaslaunchpart,receivingpartandmotorcontrolofthreeparts.ProducedbythewirelessmodulePT2262emissionfrequencyto315MHzwirelessbandtosendcontrolsignal,throughthewirelessrec
7、eivingdecodingchipPT2272decoding,singlechipPT2272levelsignalafterdecodingtocontrolthecorrespondingdrivechipL298motorcar.Sendandreceivepartadoptsspecialwirelessencodinganddecodingchip,implementthecarcanmoveforward,backward,tu
