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1、智能導(dǎo)盲拐杖2016年10月智能導(dǎo)盲拐杖摘要:針對(duì)市場(chǎng)上供盲人使用的導(dǎo)盲拐杖結(jié)構(gòu)簡(jiǎn)單，功能單一，無(wú)法實(shí)現(xiàn)較好的導(dǎo)盲效果的弱點(diǎn)，本作品設(shè)計(jì)為盲人提供行走時(shí)，遇到前方障礙物提前躲避的預(yù)警系統(tǒng)。以STM32F103C8T6作為核心處理器，具有GPS坐標(biāo)定位，GSM短信發(fā)送，超聲波避障，警報(bào)提示等功能的智能拐杖；介紹了智能拐杖的組成結(jié)構(gòu)和工作原理，通過(guò)MPU6050獲取姿態(tài)數(shù)據(jù)和HC-SR04模塊獲取超聲波回波時(shí)間差，進(jìn)行姿態(tài)數(shù)據(jù)計(jì)算，判斷人是否摔倒并測(cè)量人與物體之間的安全距離，實(shí)現(xiàn)了提前預(yù)警使用者避讓障礙物，起

2、到避免安全隱患的作用；通過(guò)GPS模塊，獲取當(dāng)前坐標(biāo)，通過(guò)語(yǔ)音播報(bào)導(dǎo)航，通過(guò)GSM模塊進(jìn)行短信發(fā)送，獲取實(shí)時(shí)位置，起到導(dǎo)航和快速救助的作用。關(guān)鍵詞：智能避障；超聲波測(cè)距；GPS定位；STM32F103C8T6；語(yǔ)音提示ABSTRACT:Aimingattheweaknessofblindguidecaneonthemarketwithsimplestructureandfunctionwhichisunabletoachieveagoodblindguidingfunction,Thisdesignstud

3、yfortheblindtowalk,meetobstaclesaheadofearlywarningsystem.STM32F103C8T6asthecoreprocessor,whichhasthefunctionofGPSpositioningandGSMSMSsent,ultrasonicdetectionofobstaclesandvoiceprompting.Describedthecompositionandworkingprincipleoftheintelligentcane;TheMP

4、U6050obtainstheattitudedataandtheHC-SR04toobtaintheultrasonicechotimedifference,carriesontheposturedatacalculation,judgeswhetherthepersonfallsandmeasuresthesafedistancebetweenthehumanandtheobject,implementtheearlywarningusersavoidobstacles,avoidsafehidden

5、trouble.ThroughtheGPSmodule,getthe1currentcoordinates,throughthevoicebroadcastnavigation,throughtheGSMmodulefortextmessagestosend,accesstoreal-timelocation,playaroleinnavigationandrapidrelief.Keywords:Intelligentobstacleavoidance;ultrasonicranging;GPSposi

6、tioning;STM32F103C8T6;voiceprompts2目錄1．引言............................................................................................................................11.1設(shè)計(jì)研究的背景及意義............................................................................

7、.........11.2設(shè)計(jì)研究的內(nèi)容.................................................................................................11.3本章小結(jié).............................................................................................................22．智能導(dǎo)盲拐杖系統(tǒng)設(shè)計(jì)........

8、....................................................................................32.1設(shè)計(jì)實(shí)現(xiàn)的功能.................................................................................................32.2設(shè)計(jì)思路...............