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<meta name="generator" content="Asciidoctor 2.0.10">
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<title>Smart & Autonomous Parking</title>
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table.linenotable{border-collapse:separate;border:0;margin-bottom:0;background:none}
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pre.pygments .lineno{border-right:1px solid currentColor;opacity:.35;display:inline-block;margin-right:.75em}
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table.tableblock{max-width:100%;border-collapse:separate}
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table.tableblock,th.tableblock,td.tableblock{border:0 solid #dedede}
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table.grid-cols>*>tr>.tableblock{border-width:0 1px 0 0}
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table.grid-rows>tfoot>tr>.tableblock{border-width:1px 0 0}
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table.grid-all>tbody>tr:last-child>.tableblock,table.grid-all>thead:last-child>tr>.tableblock,table.grid-rows>tbody>tr:last-child>.tableblock,table.grid-rows>thead:last-child>tr>.tableblock{border-bottom-width:0}
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table.frame-all{border-width:1px}
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table.frame-sides{border-width:0 1px}
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table.frame-topbot,table.frame-ends{border-width:1px 0}
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table.stripes-all tr,table.stripes-odd tr:nth-of-type(odd),table.stripes-even tr:nth-of-type(even),table.stripes-hover tr:hover{background:#f8f8f7}
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th.halign-left,td.halign-left{text-align:left}
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table thead th,table tfoot th{font-weight:bold}
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tbody tr th{display:table-cell;line-height:1.6;background:#f7f8f7}
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tbody tr th,tbody tr th p,tfoot tr th,tfoot tr th p{color:rgba(0,0,0,.8);font-weight:bold}
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p.tableblock{font-size:1em}
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ol{margin-left:1.75em}
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ul li ol{margin-left:1.5em}
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dl dd{margin-left:1.125em}
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ol>li p,ul>li p,ul dd,ol dd,.olist .olist,.ulist .ulist,.ulist .olist,.olist .ulist{margin-bottom:.625em}
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ul.checklist,ul.none,ol.none,ul.no-bullet,ol.no-bullet,ol.unnumbered,ul.unstyled,ol.unstyled{list-style-type:none}
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ul.no-bullet,ol.no-bullet,ol.unnumbered{margin-left:.625em}
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ul.unstyled,ol.unstyled{margin-left:0}
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ul.checklist{margin-left:.625em}
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ul.checklist li>p:first-child>.fa-square-o:first-child,ul.checklist li>p:first-child>.fa-check-square-o:first-child{width:1.25em;font-size:.8em;position:relative;bottom:.125em}
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ul.checklist li>p:first-child>input[type="checkbox"]:first-child{margin-right:.25em}
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ul.inline{display:-ms-flexbox;display:-webkit-box;display:flex;-ms-flex-flow:row wrap;-webkit-flex-flow:row wrap;flex-flow:row wrap;list-style:none;margin:0 0 .625em -1.25em}
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ul.inline>li{margin-left:1.25em}
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ol.arabic{list-style-type:decimal}
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ol.decimal{list-style-type:decimal-leading-zero}
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ol.loweralpha{list-style-type:lower-alpha}
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ol.upperalpha{list-style-type:upper-alpha}
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ol.lowerroman{list-style-type:lower-roman}
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ol.upperroman{list-style-type:upper-roman}
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ol.lowergreek{list-style-type:lower-greek}
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td.hdlist1,td.hdlist2{vertical-align:top;padding:0 .625em}
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td.hdlist1{font-weight:bold;padding-bottom:1.25em}
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.imageblock.left{margin:.25em .625em 1.25em 0}
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.imageblock>.title{margin-bottom:0}
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.imageblock.thumb>.title,.imageblock.th>.title{padding:0 .125em}
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.image.left{margin-right:.625em}
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a.image{text-decoration:none;display:inline-block}
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a.image object{pointer-events:none}
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sup.footnote,sup.footnoteref{font-size:.875em;position:static;vertical-align:super}
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sup.footnote a,sup.footnoteref a{text-decoration:none}
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sup.footnote a:active,sup.footnoteref a:active{text-decoration:underline}
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#footnotes{padding-top:.75em;padding-bottom:.75em;margin-bottom:.625em}
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#footnotes hr{width:20%;min-width:6.25em;margin:-.25em 0 .75em;border-width:1px 0 0}
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#footnotes .footnote{padding:0 .375em 0 .225em;line-height:1.3334;font-size:.875em;margin-left:1.2em;margin-bottom:.2em}
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#content #footnotes{margin-top:-.625em;margin-bottom:0;padding:.75em 0}
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div.unbreakable{page-break-inside:avoid}
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.underline{text-decoration:underline}
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.overline{text-decoration:overline}
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.line-through{text-decoration:line-through}
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.aqua{color:#00bfbf}
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.black{color:#000}
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.blue{color:#0000bf}
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.gray{color:#606060}
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.green{color:#006000}
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.lime{color:#00bf00}
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.lime-background{background:#00fa00}
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.maroon{color:#600000}
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.maroon-background{background:#7d0000}
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.navy{color:#000060}
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.navy-background{background:#00007d}
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.olive{color:#606000}
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.olive-background{background:#7d7d00}
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.purple{color:#600060}
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.red{color:#bf0000}
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.red-background{background:#fa0000}
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.silver{color:#909090}
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pre .conum[data-value]{position:relative;top:-.125em}
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svg{max-width:100%}
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p,blockquote,dt,td.content{font-size:1em;orphans:3;widows:3}
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h2,h3,#toctitle,.sidebarblock>.content>.title{page-break-after:avoid}
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#toc,.sidebarblock,.exampleblock>.content{background:none!important}
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#toc{border-bottom:1px solid #dddddf!important;padding-bottom:0!important}
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body.book #header .details br{display:block}
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body.book #header .details br+span::before{content:none!important}
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body.book #toc{border:0!important;text-align:left!important;padding:0!important;margin:0!important}
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body.book #toc,body.book #preamble,body.book h1.sect0,body.book .sect1>h2{page-break-before:always}
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#footer{padding:0 .9375em}
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.print-only{display:block!important}
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.hide-for-print{display:none!important}
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.show-for-print{display:inherit!important}}
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@media print,amzn-kf8{#header>h1:first-child{margin-top:1.25rem}
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.sect1{padding:0!important}
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.sect1+.sect1{border:0}
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#footer{background:none}
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#footer-text{color:rgba(0,0,0,.6);font-size:.9em}}
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@media amzn-kf8{#header,#content,#footnotes,#footer{padding:0}}
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</style>
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</head>
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<body class="article">
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<div id="header">
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<h1>Smart & Autonomous Parking</h1>
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</div>
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<div id="content">
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<div id="preamble">
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<div class="sectionbody">
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<div class="paragraph">
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<p><strong><em>Authors</em></strong></p>
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</div>
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<table class="tableblock frame-all grid-all stretch">
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<colgroup>
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<col style="width: 50%;">
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<col style="width: 50%;">
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</colgroup>
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<tbody>
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<tr>
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<td class="tableblock halign-left valign-top"><p class="tableblock">Ουλής Ευάγγελος</p></td>
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<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="mailto:cs151051@uniwa.gr">cs151051@uniwa.gr</a></p></td>
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</tr>
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<tr>
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<td class="tableblock halign-left valign-top"><p class="tableblock">Ουλής Νικόλαος</p></td>
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<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="mailto:cs161079@uniwa.gr">cs161079@uniwa.gr</a></p></td>
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</tr>
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<tr>
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<td class="tableblock halign-left valign-top"><p class="tableblock">Κατσίμπρας Δρόσος</p></td>
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<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="mailto:cs131110@uniwa.gr">cs131110@uniwa.gr</a></p></td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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|
<div class="sect1">
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|
<h2 id="_smart_parking">1. Smart Parking</h2>
|
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|
|
<div class="sectionbody">
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|
|
<div class="paragraph">
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|
|
<p>Το "Smart Parking" Έξυπνο πάρκινγκ βασίζεται στη διαδικασία όπου η κατάσταση του πάρκινγκ κοινοποιείται
|
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μέσω ενός συνόλου hardware και software στο διαδίκτυο και έτσι πετυχαίνουμε η κατάσταση του να είναι διαθέσιμη
|
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|
"accesable" από το διαδίκτυο. Αυτό το χαρακτηριστικό κάνει αυτό το αντικειμένο μέρος του διαδικτύου και του κόσμου IoT.</p>
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</div>
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|
<div class="paragraph">
|
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|
|
<p><strong>Η υλοποίηση του Smart Parking χωρίζεται σε 3 βασικά μέρη:</strong></p>
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|
</div>
|
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|
<div class="ulist">
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|
|
<ul>
|
|
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|
|
<li>
|
|
|
|
|
<p>Το 1<sub>ο</sub> μέρος αποτελείται από ένα σύνολο αισθητήρων που εγκαθιστούντε σε κάθε θέση parking (sensor), τα οποία αποτελούνται
|
|
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|
|
από έναν αισθητήρα μέτρησης απόστασης (ultrasonic) και έναν μικροελεγκτή (Arduino Uno), έτσι ώστε να ανιχνεύει και να κωδικοποιεί
|
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|
για μία συγκεκριμένη θέση έαν υπάρχει κάποιο όχημα ή όχι.</p>
|
|
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|
|
</li>
|
|
|
|
|
<li>
|
|
|
|
|
<p>Το 2<sub>ο</sub> μέρος αποτελείται από την συσκευή gateway σε Raspberry Pi1, η οποία διαβάζει στη σειριακή του
|
|
|
|
|
τη πληροφορία από το Arduino Uno, που κάνει sense μία θέση parking, και στέλνει αυτή την πληροφορία
|
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|
|
σε έναν web server με χρήση REST API.</p>
|
|
|
|
|
</li>
|
|
|
|
|
<li>
|
|
|
|
|
<p>To 3<sub>o</sub> μέρος αποτελείται από τον WEB Server ο οποίος αποτελείται από ένα process γραμμένο σε python που υλοποιεί
|
|
|
|
|
ένα REST API έτσι ώστε να μπορεί να αποθηκεύει την κατάσταση κάθε θέσης parking σε μία δομή λίστας με χαρακτηριστικό
|
|
|
|
|
κλειδί τον κωδικό κάθε θέσης parking.</p>
|
|
|
|
|
</li>
|
|
|
|
|
<li>
|
|
|
|
|
<p>Το 4<sub>o</sub> μέρος αποτελείται από την διεπαφή (Interface), με την οποία μέσω web σελίδας βλέπει κανείς την κατάσταση
|
|
|
|
|
του parking, δηλαδή πόσες και ποιές θέσεις μέσα στον χώρο είναι ελεύθερες.</p>
|
|
|
|
|
</li>
|
|
|
|
|
</ul>
|
|
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|
|
</div>
|
|
|
|
|
<div class="sect2">
|
|
|
|
|
<h3 id="_parking_sensor_node">1.1. Parking Sensor Node</h3>
|
|
|
|
|
<div class="sect3">
|
|
|
|
|
<h4 id="_υλικά_κόμβου">1.1.1. Υλικά Κόμβου</h4>
|
|
|
|
|
<div class="ulist">
|
|
|
|
|
<ul>
|
|
|
|
|
<li>
|
|
|
|
|
<p>1 x Bread-Board</p>
|
|
|
|
|
</li>
|
|
|
|
|
<li>
|
|
|
|
|
<p>1 x Arduino Uno</p>
|
|
|
|
|
</li>
|
|
|
|
|
<li>
|
|
|
|
|
<p>1 x Red led</p>
|
|
|
|
|
</li>
|
|
|
|
|
<li>
|
|
|
|
|
<p>1 x Blue led</p>
|
|
|
|
|
</li>
|
|
|
|
|
<li>
|
|
|
|
|
<p>8 x links</p>
|
|
|
|
|
</li>
|
|
|
|
|
<li>
|
|
|
|
|
<p>1 x Ultrasonic Sensor</p>
|
|
|
|
|
</li>
|
|
|
|
|
</ul>
|
|
|
|
|
</div>
|
|
|
|
|
</div>
|
|
|
|
|
<div class="sect3">
|
|
|
|
|
<h4 id="_υλοποίηση_του_parking_sensor">1.1.2. Υλοποίηση του Parking Sensor</h4>
|
|
|
|
|
<div class="paragraph">
|
|
|
|
|
<p>Σε κάθε θέση parking υπάρχει ένας κόμβος απότελούμενος από ένα Arduino και έναν αισθητήρα
|
|
|
|
|
απόστασης (ultrasonic) εγκατεστημένος πάνω στο Arduino. Η λειτουργία αυτού βασίζεται στη
|
|
|
|
|
μέτρηση της απόστασης από τον κόμβο μέχρι κάποιο αντικείμενο (αυτοκίνητο) που εμποδίζει τη θέση του parking
|
|
|
|
|
και την εξαγωγή της κατάσταασης της αυτής της θέσης στη σειριακή θύρα του Arduino.</p>
|
|
|
|
|
</div>
|
|
|
|
|
<div class="openblock float-group">
|
|
|
|
|
<div class="content">
|
|
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|
|
<div class="imageblock left">
|
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|
<div class="content">
|
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<img src="data:image/jpg;base64,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</div>
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<div class="title">Figure 1. Ο κόμβος αντιλαμβάνεται παρουσία οχήματος στη θέση.</div>
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</div>
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<div class="imageblock right">
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<div class="content">
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<img src="data:image/jpg;base64,/9j/4SESRXhpZgAATU0AKgAAAAgACQEyAAIAAAAUAAAAeoglAAQAAAABAAACwQEQAAIAAAAJAAAAjgITAAMAAAABAAEAAAEoAAMAAAABAAIAAAEbAAUAAAABAAAAl4dpAAQAAAABAAAArgEaAAUAAAABAAAAnwEPAAIAAAAHAAAApwAAAxYyMDE5OjEyOjA1IDE3OjQ3OjE3AFJlZG1pIDRYAAAAAEgAAAABAAAASAAAAAFYaWFvbWkAAB2gAQADAAAAAQABAACCnQAFAAAAAQAAAhCQBAACAAAAFAAAAhiSCgAFAAAAAQAAAiySAgAFAAAAAQAAAjSZmQACAAAAJgAAAjykAgADAAAAAQAAAACSkgACAAAABwAAAmKgAwAEAAAAAQAAEECkBQADAAAAAQAAAACkBgADAAAAAQAAAACjAQAHAAAAAQEAAACSkQACAAAABwAAAmmIIgADAAAAAQAAAACkAwADAAAAAQAAAACgAgAEAAAAAQAACSSSkAACAAAABwAAAnCSAQAKAAAAAQAAAneSBwADAAAAAQACAACQAwACAAAAFAAAAn+RAQAHAAAABAECAwCQAAAHAAAABDAyMjCSCQADAAAAAQAQAACgBQAEAAAAAQAAAqOSAwAKAAAAAQAAApOIJwADAAAAAQLQAACiFwADAAAAAQACAACgAAAHAAAABDAxMDCCmgAFAAAAAQAAApsAAAAAAAAAyAAAAGQyMDE5OjEyOjA1IDE3OjQ3OjE3AAAAAZwAAABkAAAAyAAAAGR7InNlbnNvcl90eXBlIjoicmVhciIsIm1pcnJvciI6ZmFsc2V9ADYzNjcyNAA2MzY3MjQANjM2NzI0AAAAEiMAAAPoMjAxOToxMjowNSAxNzo0NzoxNwD///9kAAAAZAAAAAEAAAAZAAIAAQACAAAABFI5OAAAAgAHAAAABDAxMDAAAAAAAAMABwAFAAAAAwAAAusABQAFAAAAAQAAAwMAHQACAAAACwAAAwsAAAAAAAAADwAAAAEAAAAvAAAAAQAAABEAAAABAAAAyAAAAGQyMDE5OjEyOjA1AAAGARsABQAAAAEAAANkAgIABAAAAAEAAB2WAgEABAAAAAEAAAN0AQMAAwAAAAEABgAAASgAAwAAAAEAAgAAARoABQAAAAEAAANsAAAAAAAAAEgAAAABAAAASAAAAAH/2P/bAIQACAYGBwYFCAcHBwkJCAoMFA0MCwsMGRITDxQdGh8eHRocHCAkLicgIiwjHBwoNyksMDE0NDQfJzk9ODI8LjM0MgEJCQkMCwwYDQ0YMiEcITIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIy/8AAEQgBAACQAwEiAAIRAQMRAf/EAaIAAAEFAQEBAQEBAAAAAAAAAAABAgMEBQYHCAkKCxAAAgEDAwIEAwUFBAQAAAF9AQIDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRolJicoKSo0NTY3ODk6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eXqDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uHi4+Tl5ufo6erx8vP09fb3+Pn6AQADAQEBAQEBAQEBAAAAAAAAAQIDBAUGBwgJCgsRAAIBAgQEAwQHBQQEAAECdwABAgMRBAUhMQYSQVEHYXETIjKBCBRCkaGxwQkjM1LwFWJy0QoWJDThJfEXGBkaJicoKSo1Njc4OTpDREVGR0hJSlNUVVZXWFlaY2RlZmdoaWpzdHV2d3h5eoKDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uLj5OXm5+jp6vLz9PX29/j5+v/dAAQACf/aAAwDAQACEQMRAD8AXacUAYqQDijr7V5DOsQDvSge1OC04DFQMUAUEDNJzTgme9ADcc07bRs68mlHSkA3FG00/vSYpgVbhiiGsS4ldmNa96flrEc8mtIoBmSaRVCA44yc07gUnUVYgyaTNLRgUAMzmgHtS4FGKYH/0LAFJt5p3ejnNeOzsFFLimlsdad2pAL3paiZ8D3pgkOOaQFjNITUauSOtKM8c0ASA8c0p6U3ORSE0wKF+fkNYjHLVsXzDByaxmPNaRACKbS5HrQMZqhCE0ueKDTT0oAXOBTc01jim5qhH//Rs1VvL23sEWW6nWKMnaC3c+lXGFYPinSH1fShHG4Vo3EmDwDwR/WvIgk5JM629CyPEejNk/b4fxNP/wCEg0jA/wCJhb/99ivKptN8mXyy4Yg4ypyKgNqvYtg12fVI9zH2rPUrvxBpwQ+XewsenDiqUWrCckQ3CuRyQpzXm5gA559KsWN4+lXBkQbweGBNP6qktGHte53P/CRW6sVN5GCDg81Ul8T3k1+LXTgk+1N7tnj6CuFb95M7HqTn86v6QzWmpRSKe+KqWHjGLaBVLux2L+N7cW8CRh5J3HzKo+7V+HWzJEr+aFyOjHkV5vqcZt9VuDH8o3lhj0PP9ari+mQ/e6U/qsWk4lRqRWkj0qXUI5W+edM/7wpEdJRlGDDPUHNedjVZMYKA1ctNWuQm2EsD12qKUsK0tGXz031O6KcU3BFccnie6U4L5+oq8vid0bZPCAfyNZOhNDTi9pHRHBFJnArO/tiHyxmKRXIyFbjP0qsdft1OGgmB9MVKpyfQUvd3NZ2zwKZzjmss+IbX/nnMP+A05NctJFc5ddqljuXFV7OXYnnif//SuHmuM8X6jetdR6TZqx8xNzBBlm68fTiuhjviz428d65XVdcbS/FUt0sAlxAI8E4wOua86gry0RvUdkYn2Exwx+eJo7gybCpwMD+eaSWwjRrpd037j7nA/XnpVXUdT/tG6kupFYTSHJC42gdABSWmppbR7Wt0lBOfnUE132lY57FkabE00cfmTYZN7nZ0Pt6jJqrcWATThc7mJdymNvHHv+FWDrNuWYmxi2+mzpzTLjVYZrZoVtEUn7pAPH601zXBop29qsiPIzbdu0Y9STXcHQtKWTCRNlcYYPxmuQttQtobcJJaq5/iJzyc1L/aViVKmzAODyGYH2qakZS2HDQbrlqDNHLuGZMLj6d/5ViSQbWkGfue3WtnVXDWlnKMBiOD+VZXmk+Zu+Zm5JxWlG/IgqL32V/IZmVVBYsOAK0bS1lh3Bkcb125ximWkyLeRM3yrjbn0yMZrpJrZUgjkDrgEFmzwQKqXN0Q4pHKfYp0uXiZSGjPzYHSr8kc9zdifYxkXBw4+9irVncJe3l0pcK0jqVY98DGKs3iizzNkBVB4z1JqZXTs0NJWK2reIW1S3ig8kIwYEuTk/QVnrcedmNjhx901HG0aWRfAMhbBzVLeQ+4dc5pqmktBxqvaWxYa4lRirdRTZLl3Tb0FLP+8iSUdehqtmmkKas7H//TmMKBuEHJ5wK828T4/wCEg1DnhUA/8dH+Nenn1FeVa+xm1rU2GcbsE+gBA/pXFhF7zNa2yMACjFXDa2/+kYvoj5QynyN+847ccfjinCxiaSBBf2371cljuAQ+h+Xr9M16aRiUaMVZa0CwSyi5gPlvs2hjubnqBjpT/wCz2+0+QLi1J2b93nAL9MnvRYClilqcWshgilDxbZW2KPNXOfcZyB7mnmxnDzJiMmFdzkSoQBjPBzz+FOwE2oDOkWR+o/SsntW1coZNJsowMsxyB+FZ5tJSrsI22x/fOOF+tVh6MpU7rzHVklIqHJxzVoyTNCiKWJPHT+VQvG8UgV1KnGcEdqfvXy0BQnGc89a0V46GYyEOH3L268Zp9zKzuVydo9RimBtikEdfTtSyuskjMAQD0BNTfoBARxioypq9aErOSrxr8p5ccVHdHM3MqycDlRgfSobGloNi+a3kX2zS2NlLeyskW3KjJyasGFYrNHH3nQk1c8PjbNIf9n+tYydk2jZrWKZ//9Sa7lMNrLIuNyoSM9OleMS3d1JLcTS
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</div>
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<div class="title">Figure 2. Ο κόμβος αντιλαμβάνεται κενή θέση.</div>
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</div>
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</div>
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</div>
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<div class="paragraph">
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<p>Ο κόμβος διαθέτει επιπλέον δύο leds ένα κόκκινο και ένα μπλε, σαν έξοδο της κατάστασης
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της θέσης του parking για τον οποίο είναι υπεύθυνος. Με κόκκινο χαρακτηρίζεται η θέση που είναι
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δεσμευμένη από ένα όχημα και με μπλε η ελεύθερη θέση, όπως φαίνεται στις παραπάνω εικόνες.</p>
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</div>
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</div>
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<div class="sect3">
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<h4 id="_λειτουργία_του_parking_sensor">1.1.3. Λειτουργία του Parking Sensor</h4>
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<div class="paragraph">
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<p>Κάθε κόμβος στέλνει στην σειριακή του τον κωδικό της θέσης, με τον οποίο έχει προγραμματιστεί το Arduino,
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και την κατάσταση του parking, κωδικοποιημένα με τον διαχωριστή "#". Για την κατάσταση του parking ορίζουμε
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με "1" ότι η θέση είναι ελεύθεση και με "0" ότι η θέση είναι δεσμευμένη. Ο έλεγχος του sensor γίνεται κάθε
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500ms. Η έξοδος στη σειριακή γίνεται με την μορφή ενός string.</p>
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</div>
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<div class="paragraph">
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<p><κωδικός θέσης>#<διαθεσιμότητα 0 ή 1></p>
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</div>
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</div>
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<div class="sect3">
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<h4 id="_διασύνδεση_κόμβου">1.1.4. Διασύνδεση Κόμβου</h4>
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<div class="paragraph">
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<p>Ο κόμβος αυτός συνδέεται με ένας "Gateway" κόμβο (βασισμένος σε Raspberry Pi) ο οποίος είναι υπεύθυνος για την
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μετάδοση της πληροφορίας που αφορά την διαθεσιμότητα της θέσης του parking στο διαδίκτυο. Η πληροφορία αυτή
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λαμβάνεται στον "Gateway" κόμβο οποίος στη συνέχεια την αποκωδικοποιεί και την αποστέλει στον WEB server μέσω του διαδικτύου.</p>
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</div>
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</div>
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</div>
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<div class="sect2">
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<h3 id="_gateway_node">1.2. Gateway Node</h3>
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<div class="sect3">
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<h4 id="_υλικά_κόμβου_2">1.2.1. Υλικά Κόμβου</h4>
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<div class="ulist">
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<ul>
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<li>
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<p>1 x Raspberry Pi 1</p>
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</li>
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<li>
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<p>1 x Serial Link (Connects to Arduino)</p>
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</li>
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<li>
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<p>1 x Power Link (Micro Usb)</p>
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</li>
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<li>
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<p>1 x micro SD (Loaded with Raspbian OS)</p>
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</li>
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<li>
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<p>1 x Ethernet Link (Connects to nearest Network)</p>
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</li>
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</ul>
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</div>
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</div>
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<div class="sect3">
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<h4 id="_υλοποίηση_και_προγραμματισμός">1.2.2. Υλοποίηση και Προγραμματισμός</h4>
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<div class="paragraph">
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<p>Η υλοποίηση αποτελείται από την εγκατάσταση του Raspbian OS στο Raspberry και τη δημιουργία ενός proccess
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σε γλώσσα python το οποίο διαβάζει από την σειριακή θύρα του την πληροφορία που λαμβάνει από το Arduino με
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την μορφή <κωδικός θέσης>#<διαθεσιμότητα 0 ή 1>. Ύστερα αποκωδικοποιεί αυτή την πληροφορία η οποία περιγράφει τον κωδικό της θέσης
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και την διαθεσιμότητα της και την αποστέλει μέσω ενός REST API με την μέθοδο POST σε έναν WEB Server.</p>
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</div>
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</div>
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<div class="sect3">
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<h4 id="_διασύνδεηση_στο_διαδίκτυο">1.2.3. Διασύνδεηση στο Διαδίκτυο</h4>
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<div class="paragraph">
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<p>Ο κόμβος Gateway έχει διασύνδεση με το διαδίκτυο μέσω ενός καλωδίου Ethernet (UTP) έτσι ώστε να μπορέσει
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να στείλει την πληροφορία</p>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="sect1">
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<h2 id="_autonomous_parking">2. Autonomous Parking</h2>
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<div class="sectionbody">
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<div class="paragraph">
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<p>Το αυτότομο πρκάριμα αποτελείται από το όχημα με εκατεστημένους τους απάραίτητους αισθητήρες και ελεγκτές
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καθός και έναν μικροελεγκτή (Arduino) για τον έλεγχο αυτών των ελεγκτών. Σκοπός είναι το όχημα να μπορεί
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να μάθει μέσω του διαδικτύου το "Status" του parking και να παρκάρει στην 1η διαθέσιμη θέση εφ' όσων
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υπάρχει μία τουλάχιστων διαθέσιμη θέση στον χώρο στάθμευσης.</p>
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</div>
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<div class="paragraph">
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<p><strong>Η υλοποίηση του αυτόνομου parking χωρίζεται σε δύο βασικά μέρη.</strong></p>
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</div>
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<div class="ulist">
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<ul>
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<li>
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<p>Το 1<sub>ο</sub> μέρος αποτελείται από τον μικροελεγκτή για τον έλεγχο των αισθητήρων και των κινητήρων του οχήματος και
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εκτελώντας τα απαραίτητα βήματα, να μπορέσει να παρκάρει το όχημα.</p>
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</li>
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<li>
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<p>Το 2<sub>ο</sub> μέρος αποτείται από τον κόμβο ο οποίος θα έχει πρόσβαση στο διαδίκτυο, όπου αφού ελέγξει αν υπάρχει
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διαθέσιμη θέση και γνωρίζει ποια είναι η πρώτη ελεύθερη θέση, να δώσει εντολή στον μικροελεγκτή να παρκάρει σε αυτή.</p>
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</li>
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</ul>
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</div>
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<div class="sect2">
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<h3 id="_microcotroller_and_car">2.1. Microcotroller and Car</h3>
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<div class="sect3">
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<h4 id="_υλικά_κόμβου_3">2.1.1. Υλικά Κόμβου</h4>
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<div class="ulist">
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<ul>
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<li>
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<p>1 x Arduino Uno</p>
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</li>
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<li>
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<p>1 x Servo Motor</p>
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</li>
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<li>
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<p>1 x Motor Driver</p>
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</li>
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<li>
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<p>4 x Moter για τους 4 τροχούς</p>
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</li>
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<li>
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<p>1 x Ultrasonic</p>
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</li>
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<li>
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<p>1 x 9V Battery</p>
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</li>
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<li>
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<p>1 x 4,8V Battery</p>
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</li>
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<li>
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<p>1 x Car</p>
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</li>
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<li>
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<p>1 x Raspberry Pi</p>
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</li>
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</ul>
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</div>
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</div>
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<div class="sect3">
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<h4 id="_υλοποίηση_και_προγραμματισμός_2">2.1.2. Υλοποίηση και Προγραμματισμός</h4>
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<div class="paragraph">
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<p>Ο motor driver, το Servo motor καθώς και ο Ultrasonic αισθητήρας κουμπώνουν στον μικροελεγκτή Arduino Uno που χρησιμοποιούμε,
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τον οποίο τον εγκαθηστούμε πάνω στο καλούπι του οχήματος το οποίο έχει εγκατεστημένα 4 τροχούς. Οι τροχοί οδηοούνται από 4 moters
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τα οποία τροφοδοτούνται από τον motor driver.</p>
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</div>
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<div class="paragraph">
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|
<p>Η συνδεσμολογία έχει την διάταξη που παρουσιάζεται παρακάτω:</p>
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</div>
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<div class="openblock float-group">
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<div class="content">
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<div class="imageblock center">
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<div class="content">
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<img src="data:image/png;base64,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</div>
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|
|
<div class="title">Figure 3. Συνδεσμολογία moter, motor driver, arduino, ultrasonic sensor και servo motor.</div>
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</div>
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</div>
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</div>
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<div class="admonitionblock note">
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<table>
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<tr>
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<td class="icon">
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|
|
<i class="fa icon-note" title="Note"></i>
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</td>
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<td class="content">
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|
<div class="title">Reminder</div>
|
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|
|
SLOW SUCCESS BUILDS CHARACTER, FAST SUCCESS BUILDS EGO.
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</td>
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</tr>
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</table>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div id="footer">
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<div id="footer-text">
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|
|
Last updated 2020-01-03 12:17:20 +0200
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</div>
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</div>
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</body>
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</html>
|
