ch2-Performances.rar

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it is a document that give an explication of performance of systems
ch2-Performances.rar
  • ch2-Performances.pdf
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内容介绍
<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/622bae3615da9b288b763120/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/622bae3615da9b288b763120/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">Ch.II &#8211; Perform<span class="_ _0"></span>ances des syst&#232;mes ass<span class="_ _0"></span>ervis - p1</div><div class="t m1 x2 h3 y2 ff2 fs1 fc0 sc0 ls0 ws0">PERFORMA<span class="_ _1"></span>NCES DES SYSTEMES</div><div class="t m1 x3 h3 y3 ff2 fs1 fc0 sc0 ls0 ws0">A<span class="_ _1"></span>UTOMA<span class="_ _1"></span>TISES</div><div class="t m1 x4 h4 y4 ff1 fs1 fc0 sc0 ls0 ws0">I &#8211; Analyse d'un syst&#232;me &#8211; D&#233;marches <span class="_ _0"></span>d'&#233;tude</div><div class="t m2 x5 h5 y5 ff3 fs2 fc0 sc0 ls0 ws0">Le <span class="_ _2"> </span>chapitre <span class="_ _2"> </span>pr&#233;c&#233;dent <span class="_ _2"> </span>a <span class="_ _2"> </span>mis <span class="_ _2"> </span>en <span class="_ _2"> </span>&#233;vidence <span class="_ _2"> </span>la <span class="_ _2"> </span>sch&#233;matisation <span class="_ _2"> </span>structurelle <span class="_ _3"> </span>de <span class="_ _2"> </span>la <span class="_ _2"> </span>commande <span class="_ _2"> </span>d'un</div><div class="t m2 x6 h5 y6 ff3 fs2 fc0 sc0 ls0 ws0">sy<span class="_ _1"></span>st&#232;me <span class="_ _4"></span>asservi, <span class="_ _4"></span>le <span class="_ _5"></span>sch&#233;ma-blocs <span class="_ _4"></span>ou <span class="_ _5"></span>diagramm<span class="_ _1"></span>e <span class="_ _5"></span>fonctionnel. <span class="_ _4"></span>Cette <span class="_ _5"></span>&#233;tape <span class="_ _4"></span>est <span class="_ _5"></span>le <span class="_ _4"></span>point <span class="_ _5"></span>de <span class="_ _4"></span>d&#233;part <span class="_ _5"></span>de</div><div class="t m2 x6 h5 y7 ff3 fs2 fc0 sc0 ls0 ws0">l'analy<span class="_ _1"></span>se d'un sy<span class="_ _1"></span>st&#232;me asservi.</div><div class="t m2 x5 h5 y8 ff3 fs2 fc0 sc0 ls0 ws0">Les <span class="_ _6"></span>sy<span class="_ _1"></span>st&#232;mes <span class="_ _6"></span>asservis <span class="_ _6"></span>sont <span class="_ _6"></span>des <span class="_ _6"></span>sy<span class="_ _1"></span>st&#232;mes <span class="_ _6"></span>com<span class="_ _1"></span>mand&#233;s, <span class="_ _6"></span>&#233;lectrom&#233;caniques, <span class="_ _6"></span>r&#233;gis <span class="_ _6"></span>par <span class="_ _6"></span>les <span class="_ _6"></span>lois <span class="_ _6"></span>de <span class="_ _6"></span>la</div><div class="t m2 x6 h5 y9 ff3 fs2 fc0 sc0 ls0 ws0">dy<span class="_ _1"></span>namique, <span class="_ _6"></span>et <span class="_ _4"></span>de<span class="_ _0"></span> <span class="_ _4"></span>l'&#233;lectricit&#233;. <span class="_ _4"></span>La <span class="_ _4"></span>mise <span class="_ _4"></span>en <span class="_ _5"></span>&#233;quation <span class="_ _6"></span>d'un <span class="_ _4"></span>syst&#232;me <span class="_ _6"></span>conduit <span class="_ _4"></span>&#224; <span class="_ _5"></span>un <span class="_ _6"></span>syst&#232;me <span class="_ _6"></span>d'&#233;quations</div><div class="t m2 x6 h5 ya ff3 fs2 fc0 sc0 ls0 ws0">diff<span class="_ _0"></span>&#233;rentielles. <span class="_"> </span>Le <span class="_ _7"> </span>but <span class="_"> </span>de <span class="_ _7"> </span>la <span class="_"> </span>mod&#233;lisation <span class="_ _7"> </span>d'un <span class="_ _7"> </span>asservissement, <span class="_"> </span>est <span class="_ _7"> </span>de <span class="_ _7"> </span>parvenir <span class="_ _7"> </span>&#224; <span class="_ _7"> </span>d&#233;terminer <span class="_ _7"> </span>la</div><div class="t m2 x6 h5 yb ff3 fs2 fc0 sc0 ls0 ws0">commande <span class="_ _2"> </span>du <span class="_ _3"> </span>sy<span class="_ _1"></span>st&#232;me <span class="_ _2"> </span>qui <span class="_"> </span>remplisse <span class="_ _2"> </span>les <span class="_"> </span>exigences <span class="_"> </span>du <span class="_ _2"> </span>cahier <span class="_"> </span>des <span class="_ _3"> </span>charges <span class="_"> </span>fonctionnel <span class="_"> </span>(<span class="ff4 fc1">Analyse</span></div><div class="t m2 x6 h5 yc ff4 fs2 fc1 sc0 ls0 ws0">fonctionnelle, caract&#233;risation des fonctions de service attendues, et fonctions de se<span class="_ _0"></span>rvice r&#233;alis&#233;es<span class="ff3 fc0">).</span></div><div class="t m2 x5 h5 yd ff3 fs2 fc0 sc0 ls0 ws0">Le <span class="_ _6"></span>sch&#233;ma <span class="_ _6"></span>ci-dessous <span class="_ _4"></span>pr&#233;sente <span class="_ _4"></span>la <span class="_ _4"></span>d&#233;marche <span class="_ _6"></span>globale <span class="_ _4"></span>d'&#233;tude <span class="_ _4"></span>d'un <span class="_ _4"></span>sy<span class="_ _1"></span>st&#232;me <span class="_ _6"></span>asservi, <span class="_ _4"></span>avec <span class="_ _4"></span>les <span class="_ _4"></span>deux</div><div class="t m2 x6 h5 ye ff3 fs2 fc0 sc0 ls0 ws0">m&#233;thodes <span class="_ _2"> </span>conduisant <span class="_ _8"> </span>au <span class="_ _8"> </span>diagramme <span class="_ _8"> </span>f<span class="_ _0"></span>onctionnel <span class="_ _8"> </span>(la <span class="_ _2"> </span>m&#233;thode <span class="_ _8"> </span>th&#233;orique <span class="_ _2"> </span>qui <span class="_ _2"> </span>passe <span class="_ _8"> </span>par <span class="_ _2"> </span>la <span class="_ _2"> </span>mise <span class="_ _8"> </span>en</div><div class="t m2 x6 h5 yf ff3 fs2 fc0 sc0 ls0 ws0">&#233;quations, et la m&#233;thode "pratique" qui consiste &#224; eff<span class="_ _0"></span>ectuer des essais).</div><div class="t m3 x7 h6 y10 ff5 fs3 fc0 sc0 ls0 ws0">SY<span class="_ _0"></span>ST<span class="_ _0"></span>EM<span class="_ _0"></span>E</div><div class="t m3 x8 h6 y11 ff5 fs3 fc0 sc0 ls0 ws0">MA<span class="_ _0"></span>TE<span class="_ _0"></span>RI<span class="_ _0"></span>EL</div><div class="t m3 x9 h6 y12 ff5 fs3 fc0 sc0 ls0 ws0">AS<span class="_ _0"></span>SER<span class="_ _0"></span>VI</div><div class="t m3 xa h6 y13 ff5 fs3 fc0 sc0 ls0 ws0">Mis<span class="_ _0"></span>e <span class="_ _0"></span>en <span class="_ _0"></span>&#233;qua<span class="_ _0"></span>ti<span class="_ _0"></span>on<span class="_ _0"></span>s</div><div class="t m4 xa h7 y14 ff5 fs4 fc0 sc0 ls0 ws0">Sy<span class="_ _0"></span>st&#232;m<span class="_ _0"></span>e d<span class="_ _0"></span>'&#233;qu<span class="_ _0"></span>ati<span class="_ _0"></span>ons</div><div class="t m3 xb h6 y15 ff5 fs3 fc0 sc0 ls0 ws0">Exp<span class="_ _0"></span>&#233;ri<span class="_ _0"></span>me<span class="_ _0"></span>nt<span class="_ _0"></span>atio<span class="_ _0"></span>n</div><div class="t m4 xc h7 y16 ff5 fs4 fc0 sc0 ls0 ws0">So<span class="_ _0"></span>llici<span class="_ _0"></span>tatio<span class="_ _0"></span>n d<span class="_ _0"></span>u sy<span class="_ _0"></span>st<span class="_ _0"></span>&#232;me</div><div class="t m4 xd h7 y17 ff5 fs4 fc0 sc0 ls0 ws0">par<span class="_ _0"></span> un<span class="_ _0"></span> sig<span class="_ _0"></span>nal</div><div class="t m3 xe h6 y18 ff5 fs3 fc0 sc0 ls0 ws0">Sc<span class="_ _0"></span>h&#233;m<span class="_ _0"></span>ati<span class="_ _0"></span>sat<span class="_ _0"></span>ion<span class="_ _0"></span> f<span class="_ _0"></span>on<span class="_ _0"></span>ctio<span class="_ _0"></span>nn<span class="_ _0"></span>ell<span class="_ _0"></span>e</div><div class="t m4 xf h7 y19 ff5 fs4 fc0 sc0 ls0 ws0">(sc<span class="_ _0"></span>h&#233;ma<span class="_ _0"></span>-b<span class="_ _0"></span>locs)</div><div class="t m3 x10 h6 y1a ff5 fs3 fc0 sc0 ls0 ws0">R&#233;g<span class="_ _0"></span>la<span class="_ _0"></span>ge e<span class="_ _0"></span>t c<span class="_ _0"></span>or<span class="_ _0"></span>rec<span class="_ _0"></span>tion<span class="_ _0"></span>, <span class="_ _0"></span>en</div><div class="t m3 x11 h6 y1b ff5 fs3 fc0 sc0 ls0 ws0">fon<span class="_ _0"></span>ct<span class="_ _0"></span>ion<span class="_ _0"></span> de<span class="_ _0"></span>s <span class="_ _0"></span>per<span class="_ _0"></span>for<span class="_ _0"></span>m<span class="_ _0"></span>ance<span class="_ _0"></span>s</div><div class="t m3 x9 h6 y1c ff5 fs3 fc0 sc0 ls0 ws0">sou<span class="_ _0"></span>hai<span class="_ _0"></span>t&#233;e<span class="_ _0"></span>s</div><div class="t m5 x12 h8 y1d ff6 fs5 fc0 sc0 ls0 ws0">Si l<span class="_ _0"></span>e sy<span class="_ _0"></span>st&#232;<span class="_ _0"></span>me</div><div class="t m5 x13 h8 y1e ff6 fs5 fc0 sc0 ls0 ws0">est<span class="_ _0"></span> sim<span class="_ _0"></span>ple</div><div class="t m5 x14 h8 y1d ff6 fs5 fc0 sc0 ls0 ws0">Si<span class="_ _0"></span> le <span class="_ _0"></span>syst&#232;<span class="_ _0"></span>me</div><div class="t m5 x14 h8 y1e ff6 fs5 fc0 sc0 ls0 ws0">est<span class="_ _0"></span> com<span class="_ _0"></span>ple<span class="_ _0"></span>xe</div><div class="t m5 x15 h8 y1f ff6 fs5 fc0 sc0 ls0 ws0">Id<span class="_ _0"></span>entif<span class="_ _0"></span>ica<span class="_ _0"></span>tion<span class="_ _9"></span>Mod<span class="_ _0"></span>&#233;li<span class="_ _0"></span>sati<span class="_ _0"></span>on</div><div class="t m5 x16 h8 y20 ff6 fs5 fc0 sc0 ls0 ws0">Sol<span class="_ _0"></span>licit<span class="_ _0"></span>atio<span class="_ _0"></span>n p<span class="_ _0"></span>ar <span class="_ _0"></span>un</div><div class="t m5 x17 h8 y21 ff6 fs5 fc0 sc0 ls0 ws0">sig<span class="_ _0"></span>nal<span class="_ _0"></span> typ<span class="_ _0"></span>iqu<span class="_ _0"></span>e</div><div class="t m3 x11 h6 y22 ff5 fs3 fc0 sc0 ls0 ws0">Co<span class="_ _0"></span>mp<span class="_ _0"></span>or<span class="_ _0"></span>tem<span class="_ _0"></span>en<span class="_ _0"></span>t <span class="_ _0"></span>du s<span class="_ _0"></span>ys<span class="_ _0"></span>t&#232;<span class="_ _0"></span>me</div><div class="t m4 x18 h7 y23 ff5 fs4 fc0 sc0 ls0 ws0">R&#233;<span class="_ _0"></span>pons<span class="_ _0"></span>e d<span class="_ _0"></span>u sy<span class="_ _0"></span>st&#232;<span class="_ _0"></span>me</div><div class="t m5 x19 h8 y24 ff6 fs5 fc0 sc0 ls0 ws0">An<span class="_ _0"></span>alys<span class="_ _0"></span>e d<span class="_ _0"></span>es</div><div class="t m5 x1a h8 y25 ff6 fs5 fc0 sc0 ls0 ws0">per<span class="_ _0"></span>for<span class="_ _0"></span>man<span class="_ _0"></span>ces</div><div class="t m5 x1b h8 y26 ff6 fs5 fc0 sc0 ls0 ws0">Sim<span class="_ _0"></span>ulati<span class="_ _0"></span>on</div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div> </body> </html>
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