{"id":2747,"date":"2020-07-10T10:34:36","date_gmt":"2020-07-10T08:34:36","guid":{"rendered":"https:\/\/noscollections.ddns.net\/carrerago\/?p=2747"},"modified":"2025-01-08T13:11:51","modified_gmt":"2025-01-08T12:11:51","slug":"determination-du-centre-de-gravite-dun-vehicule","status":"publish","type":"post","link":"https:\/\/www.carrera-fun.com\/?p=2747","title":{"rendered":"D\u00e9termination du centre de gravit\u00e9 d’un v\u00e9hicule"},"content":{"rendered":"\n

Plus le centre de gravit\u00e9 d’un v\u00e9hicule est bas, plus il pourra passer un virage dans de bonne condition. Vous pouvez consulter l’article d\u00e9di\u00e9 <\/a>V\u00e9hicules \u2013 Centre de gravit\u00e9 \u2013 Centre d\u2019inertie<\/a>.<\/p>\n\n\n\n

Le centre de gravit\u00e9 est sur la centrale du v\u00e9hicule, on consid\u00e8re le v\u00e9hicule comme sym\u00e9trique. Pour connaitre sa hauteur, il suffit de d\u00e9termin\u00e9 l’angle du v\u00e9hicule quand celui-ci bascule.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Pour cela on r\u00e9alise un montage. Le v\u00e9hicule repose sur une plaque (avec un trou pour laisser passer tresses et guide. Ainsi la voiture repose sur ses 4 roues. Fix\u00e9 sur un axe pour la faire pivoter, l’objectif est de donner de l’angle \u00e0 la voiture et lorsqu’elle bascule noter l’angle. Comment connaitre l’angle en temps r\u00e9el ? Pas question d’utiliser un rapporteur, il faut une solution plus fiable. J’ai donc utilis\u00e9 un gyroscope comme capteur. Le m\u00eame \u00e9l\u00e9ment que l’on trouve sur les drones. Il permet de connaitre tous les angles du capteur. Branch\u00e9 sur un rapsberry pi, on a l’angle de la plaque en temps r\u00e9el sur l’\u00e9cran.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Sur le cot\u00e9 des pneus, une barre ou but\u00e9, permet au v\u00e9hicule de ne pas glisser mais le force \u00e0 basculer. On d\u00e9cale le point de basculement, il faut donc penser \u00e0 le prendre en compte dans nos calculs.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Ci dessous les informations d’angle en direct.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Voici donc le r\u00e9sultat. Grace a l’angle, et la largeur du v\u00e9hicule, avec quelques calculs, on trouve la hauteur du centre de gravit\u00e9.<\/p>\n\n\n\n

Ref<\/strong><\/td>V\u00e9hicule<\/strong><\/td>L largeur<\/strong><\/td>Z angle \u00b0<\/strong><\/td>Hauteur G<\/strong><\/td>\u00c9toiles<\/strong><\/td><\/tr>
64007<\/td>Formule E Audi Sport ABT Lucas di Grassi, No.11<\/td>40,30<\/td>68,0<\/td>10,04<\/td>5<\/td><\/tr>
61178<\/td>F1 Renault R30 Showcar 2010<\/td>42,60<\/td>69,0<\/td>10,08<\/td>5<\/td><\/tr>
61102<\/td>BMW Sauber F107 Livery 2008 \u00ab\u00a0Nr.3\u00a0\u00bb<\/td>42,80<\/td>69,0<\/td>10,11<\/td>5<\/td><\/tr>
61176<\/td>F1 Ferrari 2010 Fernando Alonso<\/td>40,90<\/td>68,0<\/td>10,16<\/td>5<\/td><\/tr>
61094<\/td>McLaren-Mercedes MP4-22 Livery 2008 \u00ab\u00a0Nr.22\u00a0\u00bb<\/td>43,50<\/td>68,5<\/td>10,47<\/td>5<\/td><\/tr>
61146<\/td>Spider Man \u00ab\u00a0Carnage Parasite RS\u00a0\u00bb<\/td>39,50<\/td>66,0<\/td>10,69<\/td>5<\/td><\/tr>
61145<\/td>Spider Man Webslinger 6000<\/td>39,50<\/td>66,0<\/td>10,69<\/td>5<\/td><\/tr>
61194<\/td>Cars 2 Francesco Bernoulli<\/td>45,90<\/td>69,0<\/td>10,71<\/td>5<\/td><\/tr>
64001<\/td>Francesco Bernoulli Neon<\/td>45,90<\/td>68,5<\/td>10,94<\/td>5<\/td><\/tr>
61149<\/td>Chick Hicks<\/td>38,00<\/td>64,0<\/td>11,17<\/td>5<\/td><\/tr>
61179<\/td>F1 Red Bull RB5 Sebastian Vettel Nr.15<\/td>41,60<\/td>65,0<\/td>11,60<\/td>5<\/td><\/tr>
64008<\/td>Formule E Venturi Racing Nick Heidfeld, No.23<\/td>40,15<\/td>64,0<\/td>11,69<\/td>5<\/td><\/tr>
64082<\/td>Flash McQueen Rust ece<\/td>40,90<\/td>64,0<\/td>11,87<\/td>5<\/td><\/tr>
61147<\/td>Flash McQueen<\/td>41,55<\/td>64,0<\/td>12,03<\/td>5<\/td><\/tr>
61195<\/td>Finn Mcmissile<\/td>40,70<\/td>61,0<\/td>13,18<\/td>4<\/td><\/tr>
61118<\/td>AMG Mercedes C Klasse DTM 2007 Livery 2008 AMG-Mercedes Bank 2008 \u00ab\u00a0Bruno Spengler\u00a0\u00bb<\/td>43,35<\/td>62,5<\/td>13,18<\/td>4<\/td><\/tr>
61271<\/td>Audi A5 DTM Timo Scheider, No.4<\/td>44,60<\/td>63,0<\/td>13,26<\/td>4<\/td><\/tr>
61274<\/td>AMG Mercedes C-Coupe DTM Jamie Green, No.5<\/td>44,90<\/td>63,0<\/td>13,34<\/td>4<\/td><\/tr>
61193<\/td>Cars 2 Flash McQueen<\/td>44,90<\/td>63,0<\/td>13,34<\/td>4<\/td><\/tr>
61268<\/td>Mario Kart 7 – Yoshi<\/td>46,40<\/td>63,0<\/td>13,72<\/td>4<\/td><\/tr>
64084<\/td>Jackson Storm<\/td>46,95<\/td>63,0<\/td>13,86<\/td>4<\/td><\/tr>
61213<\/td>Citroen DS3 WRC 2011<\/td>41,50<\/td>59,5<\/td>14,12<\/td>4<\/td><\/tr>
61116<\/td>Audi A4 DTM 2008 Audi Sport Team Abt Sportsline \u00ab\u00a0M.Ekstr\u00f6m\u00a0\u00bb<\/td>43,20<\/td>60,0<\/td>14,37<\/td>4<\/td><\/tr>
61266<\/td>Mario Kart 7 – Mario<\/td>45,85<\/td>61,0<\/td>14,61<\/td>3<\/td><\/tr>
61239<\/td>MINI Countryman WRC Daniel Sordo \u00ab\u00a0No. 37\u00a0\u00bb, RMC 2012<\/td>42,80<\/td>59,0<\/td>14,76<\/td>3<\/td><\/tr>
64000<\/td>Flash McQueen Neon<\/td>44,55<\/td>60,0<\/td>14,76<\/td>3<\/td><\/tr>
61112<\/td>Porsche GT3 Polizei<\/td>40,40<\/td>57,0<\/td>15,02<\/td>3<\/td><\/tr>
61110<\/td>Carforce Rapier<\/td>46,50<\/td>60,0<\/td>15,32<\/td>3<\/td><\/tr>
61109<\/td>Carforce Predator<\/td>46,50<\/td>60,0<\/td>15,32<\/td>3<\/td><\/tr>
61037<\/td>MarioKart – Mario<\/td>49,50<\/td>61,0<\/td>15,62<\/td>3<\/td><\/tr>
61169<\/td>Volkswagen Race Tuareg 2 Rally Dakar 2009<\/td>46,20<\/td>55,0<\/td>18,07<\/td>2<\/td><\/tr>
61183<\/td>Martin<\/td>39,60<\/td>47,0<\/td>20,36<\/td>1<\/td><\/tr>
61170<\/td>BMW X3 CC Rally Dakar 2009<\/td>45,85<\/td>51,0<\/td>20,46<\/td>1<\/td><\/tr>
61286<\/td>Turtle Trike Raphael<\/td>44,90<\/td>49,0<\/td>21,42<\/td>1<\/td><\/tr>
61287<\/td>Turtle Trike Leonardo<\/td>44,90<\/td>49,0<\/td>21,42<\/td>1<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"

Plus le centre de gravit\u00e9 d’un v\u00e9hicule est bas, plus il pourra passer un virage dans de bonne condition. Vous pouvez consulter l’article d\u00e9di\u00e9 V\u00e9hicules \u2013 Centre de gravit\u00e9 \u2013… <\/p>\n","protected":false},"author":1,"featured_media":673,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"categories":[18,62],"tags":[],"class_list":["post-2747","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-voiture"],"_links":{"self":[{"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=\/wp\/v2\/posts\/2747","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2747"}],"version-history":[{"count":1,"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=\/wp\/v2\/posts\/2747\/revisions"}],"predecessor-version":[{"id":7123,"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=\/wp\/v2\/posts\/2747\/revisions\/7123"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=\/wp\/v2\/media\/673"}],"wp:attachment":[{"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}