Car_parking_Sensor_Using_8051_Microcontr.rar

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Car parking sensor document
Car_parking_Sensor_Using_8051_Microcontr.rar
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<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/62532e3c74bc5c0105ea4e25/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62532e3c74bc5c0105ea4e25/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">International Journal of<span class="_"> </span>Engineering, Management <span class="_ _0"></span>&amp;<span class="_"> </span>Sciences<span class="_ _1"> </span>(IJEMS)</div><div class="t m0 x2 h3 y3 ff1 fs0 fc0 sc0 ls0 ws0">ISSN-2348<span class="_"> </span>&#8211;<span class="_ _2"></span>3733,<span class="_ _3"> </span>Volume-2,<span class="_"> </span>Issue-6, June<span class="_ _3"> </span>2015</div><div class="t m0 x3 h3 y4 ff1 fs0 fc0 sc0 ls0 ws0">1<span class="_ _4"> </span><span class="fc1">www<span class="_ _2"></span>.alliedjourna<span class="_ _2"></span>ls.com</span></div><div class="t m0 x4 h4 y5 ff2 fs1 fc0 sc0 ls0 ws0">&#61472;</div><div class="t m0 x5 h5 y6 ff3 fs1 fc0 sc0 ls0 ws0">Abstract<span class="ff1">&#8212;<span class="_ _5"> </span>As <span class="_ _6"></span>the <span class="_ _6"></span>pop<span class="_ _0"></span>ulation <span class="_ _6"></span>is <span class="_ _6"></span>inc<span class="_ _0"></span>reasing, <span class="_ _6"></span>the <span class="_ _6"></span>veh<span class="_ _0"></span>icles <span class="_ _6"></span>are</span></div><div class="t m0 x4 h5 y7 ff1 fs1 fc0 sc0 ls0 ws0">also <span class="_ _7"> </span>increasin<span class="_ _0"></span>g <span class="_ _7"> </span>and <span class="_ _7"> </span>so <span class="_ _7"> </span>the <span class="_ _7"> </span>park<span class="_ _0"></span>ing <span class="_ _7"> </span>problem<span class="_ _0"></span> <span class="_ _6"> </span>arises. <span class="_ _7"> </span>There <span class="_ _7"> </span>is <span class="_ _8"> </span>a</div><div class="t m0 x4 h5 y8 ff1 fs1 fc0 sc0 ls0 ws0">chanc<span class="_ _0"></span>e <span class="_"> </span>that <span class="_"> </span>a <span class="_ _9"> </span>car <span class="_"> </span>ma<span class="_ _0"></span>y <span class="_"> </span>bump<span class="_ _0"></span> <span class="_"> </span>into <span class="_"> </span>other <span class="_"> </span>car <span class="_"> </span>w<span class="_ _2"></span>hile <span class="_"> </span>park<span class="_ _0"></span>ing.</div><div class="t m0 x4 h5 y9 ff1 fs1 fc0 sc0 ls0 ws0">Although <span class="_ _7"> </span>the <span class="_ _a"> </span>rear <span class="_ _8"> </span>view <span class="_ _a"> </span>mirr<span class="_ _0"></span>or <span class="_ _8"> </span>gives <span class="_ _8"> </span>a <span class="_ _8"> </span>rough <span class="_ _7"> </span>estimate <span class="_ _7"> </span>of <span class="_ _8"> </span>the</div><div class="t m0 x4 h5 ya ff1 fs1 fc0 sc0 ls0 ws0">distance<span class="_ _0"></span> <span class="_"> </span>w<span class="_ _2"></span>ith <span class="_"> </span>the <span class="_ _9"> </span>obsta<span class="_ _0"></span>cle <span class="_"> </span>behind, <span class="_"> </span>there <span class="_"> </span>is <span class="_"> </span>still <span class="_"> </span>a <span class="_"> </span>chance <span class="_"> </span>of</div><div class="t m0 x4 h5 yb ff1 fs1 fc0 sc0 ls0 ws0">collision. There is <span class="_ _2"></span>need<span class="_ _0"></span> <span class="_ _2"></span>to alert <span class="_ _2"></span>the driver w<span class="_ _2"></span>hen the <span class="_ _2"></span>car is <span class="_ _2"></span>about</div><div class="t m0 x4 h5 yc ff1 fs1 fc0 sc0 ls0 ws0">to <span class="_ _b"></span>collide <span class="_ _b"></span>with <span class="_ _b"></span>a <span class="_ _b"></span>nearby <span class="_ _b"></span>obstacle <span class="_ _b"></span>so <span class="_ _b"></span>that <span class="_ _6"></span>necessar<span class="_ _0"></span>y <span class="_ _b"></span>precautions</div><div class="t m0 x4 h5 yd ff1 fs1 fc0 sc0 ls0 ws0">can be ta<span class="_ _0"></span>ken<span class="_ _0"></span> to avoid<span class="_ _0"></span> any dam<span class="_ _0"></span>age.</div><div class="t m0 x5 h5 ye ff1 fs1 fc0 sc0 ls0 ws0">Our <span class="_ _2"></span>system<span class="_ _0"></span> <span class="_ _b"></span>constitu<span class="_ _0"></span>tes <span class="_ _2"></span>of <span class="_ _b"></span>a <span class="_ _b"></span>sensor <span class="_ _2"></span>w<span class="_ _2"></span>hich <span class="_ _2"></span>senses <span class="_ _b"></span>the <span class="_ _2"></span>distance</div><div class="t m0 x4 h5 yf ff1 fs1 fc0 sc0 ls0 ws0">of <span class="_ _7"> </span>the <span class="_ _7"> </span>nearby <span class="_ _7"> </span>obstacle. <span class="_ _7"> </span>This <span class="_ _7"> </span>sensor <span class="_ _8"> </span>when <span class="_ _7"> </span>installed <span class="_ _8"> </span>on <span class="_ _7"> </span>the <span class="_ _7"> </span>car</div><div class="t m0 x4 h5 y10 ff1 fs1 fc0 sc0 ls0 ws0">alerts the dr<span class="_ _0"></span>iver when he is m<span class="_ _0"></span>ovin<span class="_ _0"></span>g close to nearby obstacle and</div><div class="t m0 x4 h5 y11 ff1 fs1 fc0 sc0 ls0 ws0">there <span class="_ _b"></span>is <span class="_ _b"></span>a <span class="_ _b"></span>chan<span class="_ _0"></span>ce <span class="_ _b"></span>of <span class="_ _b"></span>collision. <span class="_ _b"></span>The <span class="_ _2"></span>sy<span class="_ _2"></span>stem<span class="_ _0"></span> <span class="_ _b"></span>can <span class="_ _b"></span>hence <span class="_ _b"></span>help <span class="_ _b"></span>avoid</div><div class="t m0 x4 h5 y12 ff1 fs1 fc0 sc0 ls0 ws0">collision, dam<span class="_ _c"></span>age and th<span class="_ _0"></span>ereby help sa<span class="_ _c"></span>ve mone<span class="_ _0"></span>y</div><div class="t m0 x5 h5 y13 ff3 fs1 fc0 sc0 ls0 ws0">Index Term<span class="_ _2"></span>s<span class="ff1">&#8212;Sensor, Microcontr<span class="_ _0"></span>oller, Collision<span class="_"> </span>.</span></div><div class="t m0 x6 h6 y14 ff4 fs0 fc0 sc0 ls0 ws0">I.<span class="_ _d"> </span>I<span class="fs2">NTRODUCT<span class="_ _0"></span>I<span class="_ _0"></span>ON</span></div><div class="t m0 x4 h6 y15 ff4 fs0 fc0 sc0 ls0 ws0">In em<span class="_ _0"></span>bedded<span class="_ _2"></span> sy<span class="_ _c"></span>stems it is<span class="_ _0"></span> essential that m<span class="_ _c"></span>icr<span class="_ _2"></span>ocontroller takes</div><div class="t m0 x4 h6 y16 ff4 fs0 fc0 sc0 ls0 ws0">along <span class="_"> </span>input <span class="_ _e"> </span>sensors <span class="_"> </span>and <span class="_ _e"> </span>transducers <span class="_"> </span>used <span class="_"> </span>in <span class="_ _9"> </span>industry <span class="_"> </span>are</div><div class="t m0 x4 h6 y17 ff4 fs0 fc0 sc0 ls0 ws0">analog <span class="_ _b"></span>in <span class="_ _6"></span>nature.we <span class="_ _b"></span>need <span class="_ _b"></span>to <span class="_ _6"> </span>c<span class="_ _2"></span>onvert <span class="_ _b"></span>the <span class="_ _6"> </span>analog <span class="_ _6"> </span>o<span class="_ _2"></span>utput <span class="_ _b"></span>from</div><div class="t m0 x4 h6 y18 ff4 fs0 fc0 sc0 ls0 ws0">the <span class="_ _1"> </span>sensors <span class="_ _a"> </span>to <span class="_"> </span>digital <span class="_ _a"> </span>so <span class="_ _1"> </span>that <span class="_ _a"> </span>co<span class="_ _2"></span>rresponding <span class="_ _a"> </span>signal <span class="_ _1"> </span>can <span class="_ _a"> </span>b<span class="_ _2"></span>e</div><div class="t m0 x4 h6 y19 ff4 fs0 fc0 sc0 ls0 ws0">processed by the m<span class="_ _c"></span>icroco<span class="_ _2"></span>ntroller.this paper <span class="_ _2"></span>is an exam<span class="_ _c"></span>p<span class="_ _2"></span>le for</div><div class="t m0 x4 h6 y1a ff4 fs0 fc0 sc0 ls0 ws0">real <span class="_ _f"> </span>time <span class="_ _10"> </span>measurem<span class="_ _c"></span>ent <span class="_ _f"> </span>sy<span class="_ _0"></span>stem <span class="_ _10"> </span>w<span class="_ _0"></span>hich <span class="_ _10"> </span>takes <span class="_ _10"> </span>input <span class="_ _f"> </span>from</div><div class="t m0 x4 h6 y1b ff4 fs0 fc0 sc0 ls0 ws0">physical <span class="_ _2"></span>word <span class="_ _b"></span>pro<span class="_ _2"></span>cesses <span class="_ _b"></span>the <span class="_ _b"></span>input <span class="_ _b"></span>and <span class="_ _b"></span>respo<span class="_ _2"></span>nds <span class="_ _b"></span>accordingly</div><div class="t m0 x4 h6 y1c ff4 fs0 fc0 sc0 ls0 ws0">with<span class="_ _0"></span> <span class="_ _2"></span>the <span class="_ _2"></span>requirement <span class="_ _2"></span>of <span class="_ _2"></span>the <span class="_ _2"></span>system<span class="_ _0"></span>.Here <span class="_ _2"></span>we <span class="_ _2"></span>are <span class="_ _b"></span>making<span class="_ _c"></span> <span class="_ _b"></span>uses</div><div class="t m0 x4 h6 y1d ff4 fs0 fc0 sc0 ls0 ws0">8051 <span class="_ _6"></span>microcontroller<span class="_ _2"></span>,Led <span class="_ _6"></span>monitor,ADC <span class="_ _b"></span>ans <span class="_ _6"></span>distance <span class="_ _6"></span>sensor</div><div class="t m0 x4 h6 y1e ff4 fs0 fc0 sc0 ls0 ws0">for <span class="_ _6"></span>fnding <span class="_ _b"></span>the <span class="_ _6"></span>distance.As <span class="_ _6"></span>the <span class="_ _6"></span>input <span class="_ _6"></span>from <span class="_ _b"></span>d<span class="_ _2"></span>istance <span class="_ _6"></span>sensor <span class="_ _6"> </span>is</div><div class="t m0 x4 h6 y1f ff4 fs0 fc0 sc0 ls0 ws0">getting <span class="_ _7"> </span>lesser <span class="_ _8"> </span>than <span class="_ _8"> </span>threshold <span class="_ _a"> </span>fixed <span class="_ _8"> </span>value <span class="_ _7"> </span>the <span class="_ _8"> </span>anlog <span class="_ _8"> </span>input <span class="_ _8"> </span>is</div><div class="t m0 x4 h6 y20 ff4 fs0 fc0 sc0 ls0 ws0">converted <span class="_ _11"> </span>into <span class="_ _3"> </span>d<span class="_ _2"></span>igital <span class="_ _3"> </span>by <span class="_ _3"> </span>ADC <span class="_ _3"> </span>and <span class="_ _11"> </span>it <span class="_ _3"> </span>is <span class="_ _3"> </span>pa<span class="_ _2"></span>ssed <span class="_ _3"> </span>to</div><div class="t m0 x4 h6 y21 ff4 fs0 fc0 sc0 ls0 ws0">microcontrollerand <span class="_ _c"></span>the <span class="_ _c"></span>led<span class="_ _2"></span> <span class="_ _c"></span>monitor <span class="_ _c"></span>turns <span class="_ _c"></span>to <span class="_ _c"></span>r<span class="_ _2"></span>ed <span class="_ _c"></span>in <span class="_ _0"></span>color w<span class="_ _c"></span>hich</div><div class="t m0 x4 h6 y22 ff4 fs0 fc0 sc0 ls0 ws0">is an indication that there is some other objec<span class="_ _2"></span>t there.</div><div class="t m0 x7 h6 y23 ff4 fs0 fc0 sc0 ls0 ws0">Fig.1<span class="_ _12"> </span>Block Diagram</div><div class="t m0 x5 h7 y24 ff1 fs2 fc1 sc0 ls0 ws0">Manuscript received May<span class="_ _f"> </span>27, 20<span class="_ _2"></span>15<span class="ff4 fc0">.</span></div><div class="t m0 x5 h7 y25 ff1 fs2 fc0 sc0 ls0 ws0">B.Vishnu <span class="_ _c"></span>Siddhardha<span class="ff4">,<span class="_"> </span>De<span class="_ _c"></span>p<span class="_ _2"></span>artment <span class="_ _c"></span>of <span class="_ _c"></span>Compu<span class="_ _2"></span>ter <span class="_ _c"></span>Science <span class="_ _0"></span>K <span class="_ _c"></span>L <span class="_ _c"></span>University</span></div><div class="t m0 x4 h7 y26 ff4 fs2 fc0 sc0 ls0 ws0">Vaddeswaram</div><div class="t m0 x8 h6 y27 ff4 fs0 fc0 sc0 ls0 ws0">II.<span class="_ _1"> </span>8051<span class="_"> </span><span class="fs2">MI<span class="_ _c"></span>CROCONTROL<span class="_ _0"></span>LER</span></div><div class="t m0 x9 h6 y28 ff4 fs0 fc0 sc0 ls0 ws0">The <span class="_ _a"> </span>8051 <span class="_ _a"> </span>microcontroller <span class="_ _8"> </span>is <span class="_ _a"> </span>a <span class="_ _8"> </span>8bit <span class="_ _8"> </span>co<span class="_ _2"></span>ntroller <span class="_ _8"> </span>made <span class="_ _8"> </span>by <span class="_ _8"> </span>the</div><div class="t m0 x9 h6 y29 ff4 fs0 fc0 sc0 ls0 ws0">Intel <span class="_ _2"></span>family<span class="_ _c"></span> <span class="_ _b"></span>wh<span class="_ _0"></span>ich <span class="_ _2"></span>contains <span class="_ _b"></span>128 <span class="_ _b"></span>bytes<span class="_ _0"></span> <span class="_ _2"></span>o<span class="_ _2"></span>f <span class="_ _2"></span>RAM <span class="_ _2"></span>4kb <span class="_ _b"></span>of <span class="_ _2"></span>ROM</div><div class="t m0 x9 h6 y2a ff4 fs0 fc0 sc0 ls0 ws0">and <span class="_ _7"> </span> <span class="_ _7"> </span>2<span class="_ _2"></span> <span class="_ _7"> </span>timers <span class="_ _8"> </span>40 <span class="_ _8"> </span>pins <span class="_ _8"> </span>and <span class="_ _7"> </span>6<span class="_ _2"></span> <span class="_ _7"> </span>interrupt <span class="_ _8"> </span>sources <span class="_ _8"> </span>classified <span class="_ _8"> </span>as</div><div class="t m0 x9 h6 y2b ff4 fs0 fc0 sc0 ls0 ws0">internal <span class="_ _0"></span>sorurces and ex<span class="_ _c"></span>te<span class="_ _2"></span>rnal sources .On<span class="_ _0"></span>e greater advantage</div><div class="t m0 x9 h6 y2c ff4 fs0 fc0 sc0 ls0 ws0">with<span class="_ _0"></span> <span class="_ _b"></span>this <span class="_ _b"></span>is <span class="_ _b"></span>it <span class="_ _b"></span>has <span class="_ _b"></span>inbult <span class="_ _b"></span>serial <span class="_ _b"></span>communication <span class="_ _b"></span>UAR<span class="_ _0"></span>T <span class="_ _b"></span>which</div><div class="t m0 x9 h6 y2d ff4 fs0 fc0 sc0 ls0 ws0">can <span class="_ _c"></span>be <span class="_ _c"></span>easily <span class="_ _c"></span>program<span class="_ _0"></span>med <span class="_ _c"></span>to <span class="_ _c"></span>work <span class="_ _c"></span>at <span class="_ _c"></span>several <span class="_ _c"></span>b<span class="_ _2"></span>aud <span class="_ _c"></span>rates.It <span class="_ _0"></span>also</div><div class="t m0 x9 h6 y2e ff4 fs0 fc0 sc0 ls0 ws0">has <span class="_ _8"> </span>four <span class="_ _a"> </span>serial <span class="_ _8"> </span>po<span class="_ _2"></span>rst <span class="_ _8"> </span>po<span class="_ _2"></span>rt <span class="_ _8"> </span>1<span class="_ _2"></span> <span class="_ _8"> </span>and <span class="_ _8"> </span>p<span class="_ _2"></span>orto <span class="_ _8"> </span>ar<span class="_ _2"></span>e <span class="_ _8"> </span>for <span class="_ _8"> </span>input <span class="_ _8"> </span>output</div><div class="t m0 x9 h6 y2f ff4 fs0 fc0 sc0 ls0 ws0">functions and <span class="_ _2"></span>port <span class="_ _2"></span>2 <span class="_ _2"></span>and <span class="_ _2"></span>3 <span class="_ _2"></span>are <span class="_ _b"></span>for <span class="_ _2"></span>external <span class="_ _2"></span>purposes.Another</div><div class="t m0 x9 h6 y30 ff4 fs0 fc0 sc0 ls0 ws0">good <span class="_ _7"> </span>future <span class="_ _7"> </span>is <span class="_ _6"> </span>it <span class="_ _7"> </span>can <span class="_ _7"> </span>be <span class="_ _8"> </span>interfaced <span class="_ _7"> </span>easily <span class="_ _7"> </span>with <span class="_ _6"> </span>all<span class="_ _10"> </span>the <span class="_ _8"> </span>other</div><div class="t m0 x9 h6 y31 ff4 fs0 fc0 sc0 ls0 ws0">devices <span class="_ _2"></span>here it <span class="_ _b"></span>is <span class="_ _2"></span>interfaced <span class="_ _2"></span>with ADC <span class="_ _2"></span>for <span class="_ _2"></span>co<span class="_ _2"></span>nverting analog</div><div class="t m0 x9 h6 y32 ff4 fs0 fc0 sc0 ls0 ws0">input <span class="_ _b"></span>to <span class="_ _b"></span>digital <span class="_ _b"></span>output <span class="_ _b"></span>wh<span class="_ _c"></span>ich <span class="_ _b"></span>is <span class="_ _6"></span>required <span class="_ _b"></span>for<span class="_ _2"></span> <span class="_ _b"></span>determining <span class="_ _2"></span>the</div><div class="t m0 x9 h6 y33 ff4 fs0 fc0 sc0 ls0 ws0">object <span class="_ _6"></span>nearer <span class="_ _b"></span>to <span class="_ _6"></span>our <span class="_ _b"></span>car.As <span class="_ _b"></span>a <span class="_ _b"></span>result <span class="_ _b"></span>accid<span class="_ _2"></span>ent <span class="_ _b"></span>can <span class="_ _b"></span>be <span class="_ _b"></span>r<span class="_ _2"></span>educed</div><div class="t m0 x9 h6 y34 ff4 fs0 fc0 sc0 ls0 ws0">easily by<span class="_ _0"></span> makin<span class="_ _0"></span>g use of the sensor.</div><div class="t m0 xa h6 y35 ff4 fs0 fc0 sc0 ls0 ws0">.<span class="_ _3"> </span>Fig<span class="_ _c"></span>.<span class="_ _2"></span> 2</div><div class="t m0 xb h6 y36 ff4 fs0 fc0 sc0 ls0 ws0">III.<span class="_ _1"> </span>D<span class="fs2">IST<span class="_ _c"></span>ANCE<span class="_"> </span>SENSOR</span></div><div class="t m0 x9 h6 y37 ff4 fs0 fc0 sc0 ls0 ws0">The <span class="_ _2"></span>GP<span class="_ _2"></span>2D120 <span class="_ _b"></span>is <span class="_ _2"></span>a <span class="_ _2"></span>infrared <span class="_ _b"></span>sensor <span class="_ _2"></span>which<span class="_ _0"></span> <span class="_ _2"></span>has <span class="_ _b"></span>the <span class="_ _2"></span>capacity <span class="_ _2"></span>to</div><div class="t m0 x9 h6 y38 ff4 fs0 fc0 sc0 ls0 ws0">measure the <span class="_ _2"></span>d<span class="_ _2"></span>istance <span class="_ _2"></span>from <span class="_ _2"></span>4-30<span class="_ _2"></span> <span class="_ _2"></span>cm <span class="_ _2"></span>but <span class="_ _b"></span>consum<span class="_ _0"></span>es <span class="_ _2"></span>very <span class="_ _2"></span>more</div><div class="t m0 x9 h6 y39 ff4 fs0 fc0 sc0 ls0 ws0">power.Hence <span class="_ _6"> </span>making <span class="_ _6"></span>use <span class="_ _7"> </span>of <span class="_ _8"> </span>capacitor <span class="_ _8"> </span>energy <span class="_ _6"> </span>for <span class="_ _8"> </span>this <span class="_ _7"> </span>is <span class="_ _7"> </span>an</div><div class="t m0 x9 h6 y3a ff4 fs0 fc0 sc0 ls0 ws0">ideal solution anf this can min<span class="_ _0"></span>imize the us<span class="_ _0"></span>age of power</div></div><div class="c xc y3b w3 h8"><div class="t m0 xd h9 y3c ff4 fs3 fc0 sc0 ls0 ws0">Car parking Sensor <span class="_ _2"></span>Using 8051 M<span class="_ _2"></span>icrocontroller</div></div><div class="c xe y3d w4 ha"><div class="t m0 xf hb y3e ff1 fs4 fc0 sc0 ls0 ws0">B.Vishnu Siddhardha</div></div></div><div class="pi" data-data='{"ctm":[1.611792,0.000000,0.000000,1.611792,0.000000,0.000000]}'></div></div> </body> </html>
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