{"id":920,"date":"2020-07-17T08:40:00","date_gmt":"2020-07-17T06:40:00","guid":{"rendered":"http:\/\/noscollections.ddns.net\/carrerago\/?p=920"},"modified":"2020-07-17T08:40:00","modified_gmt":"2020-07-17T06:40:00","slug":"test-puissance-des-aimants","status":"publish","type":"post","link":"https:\/\/www.carrera-fun.com\/?p=920","title":{"rendered":"Test : Puissance des aimants"},"content":{"rendered":"\n<p>On dit que la puissance des aimants est un param\u00e8tre important pour les voitures de slot, car ils permettent aux voitures de coller \u00e0 la piste. J&rsquo;ai d\u00e9cid\u00e9 de mesurer les diff\u00e9rents champs magn\u00e9tiques des aimants de mes voitures GO. <\/p>\n\n\n\n<p>Pour cela, j&rsquo;ai fait appel \u00e0 un capteur \u00e0 effet hall qui mesure l&rsquo;intensit\u00e9 des champs magn\u00e9tique. Dans la mesure ou il renvoie une tension proportionnel au champs magn\u00e9tique, un module converti la tension en valeur num\u00e9rique pour le raspberry pi (mini PC sous linux). Sch\u00e9ma de principe ci-dessous.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"779\" height=\"1024\" src=\"https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2018\/04\/Analog_Hall-779x1024.png\" alt=\"\" class=\"wp-image-984\" srcset=\"https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2018\/04\/Analog_Hall-779x1024.png 779w, https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2018\/04\/Analog_Hall-228x300.png 228w, https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2018\/04\/Analog_Hall-768x1010.png 768w, https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2018\/04\/Analog_Hall-600x789.png 600w, https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2018\/04\/Analog_Hall.png 999w\" sizes=\"auto, (max-width: 779px) 100vw, 779px\" \/><\/figure>\n\n\n\n<p>L&rsquo;aimant a un effet sur les rails m\u00e9talliques de la piste, donc j&rsquo;ai d\u00e9cider de positionner le capteur sous ce rail en contacte.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"415\" src=\"https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2020\/03\/hall_1.png\" alt=\"\" class=\"wp-image-2741\" srcset=\"https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2020\/03\/hall_1.png 500w, https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2020\/03\/hall_1-300x249.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"602\" src=\"https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2020\/03\/hall_2.png\" alt=\"\" class=\"wp-image-2742\" srcset=\"https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2020\/03\/hall_2.png 500w, https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2020\/03\/hall_2-249x300.png 249w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"451\" src=\"https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2020\/03\/hall_3.png\" alt=\"\" class=\"wp-image-2743\" srcset=\"https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2020\/03\/hall_3.png 800w, https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2020\/03\/hall_3-300x169.png 300w, https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2020\/03\/hall_3-768x433.png 768w, https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2020\/03\/hall_3-600x338.png 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"558\" src=\"https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2020\/03\/hall_4.png\" alt=\"\" class=\"wp-image-2744\" srcset=\"https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2020\/03\/hall_4.png 500w, https:\/\/www.carrera-fun.com\/wp-content\/uploads\/2020\/03\/hall_4-269x300.png 269w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<p>Voici le relev\u00e9 des valeurs pour chaque v\u00e9hicules. On s&rsquo;aper\u00e7oit qu&rsquo;il y a une grande disparit\u00e9. Je pense que la position de l&rsquo;aimant est tr\u00e8s importante, notamment sa distance par rapport \u00e0 la piste (garde au sol du v\u00e9hicule).<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>v\u00e9hicule<\/strong><\/td><td><strong>Nom<\/strong><\/td><td><strong>Min<\/strong><\/td><td><strong>Moyenne<\/strong><\/td><td><strong>Max<\/strong><\/td><td><strong>Etoiles \/5<\/strong><\/td><\/tr><tr><td>61286<\/td><td>Turtle Trike Raphael<\/td><td>23<\/td><td>30,33<\/td><td>35<\/td><td>5<\/td><\/tr><tr><td>61274<\/td><td>AMG Mercedes C-Coupe DTM Jamie Green, No.5<\/td><td>17<\/td><td>29,00<\/td><td>57<\/td><td>5<\/td><\/tr><tr><td>61287<\/td><td>Turtle Trike Leonardo<\/td><td>15<\/td><td>27,00<\/td><td>40<\/td><td>5<\/td><\/tr><tr><td>61239<\/td><td>MINI Countryman WRC Daniel Sordo \u00ab\u00a0No. 37\u00a0\u00bb, RMC 2012<\/td><td>9<\/td><td>26,33<\/td><td>37<\/td><td>5<\/td><\/tr><tr><td>61271<\/td><td>Audi A5 DTM Timo Scheider, No.4<\/td><td>18<\/td><td>20,33<\/td><td>23<\/td><td>4<\/td><\/tr><tr><td>61109<\/td><td>Carforce Predator<\/td><td>13<\/td><td>19,33<\/td><td>25<\/td><td>3<\/td><\/tr><tr><td>61116<\/td><td>Audi A4 DTM 2008 Audi Sport Team Abt Sportsline \u00ab\u00a0M.Ekstr\u00f6m\u00a0\u00bb<\/td><td>17<\/td><td>19,33<\/td><td>23<\/td><td>3<\/td><\/tr><tr><td>64008<\/td><td>Formule E Venturi Racing Nick Heidfeld, No.23<\/td><td>17<\/td><td>17,33<\/td><td>18<\/td><td>3<\/td><\/tr><tr><td>64084<\/td><td>Jackson Storm<\/td><td>16<\/td><td>17,00<\/td><td>18<\/td><td>3<\/td><\/tr><tr><td>61102<\/td><td>BMW Sauber F107 Livery 2008 \u00ab\u00a0Nr.3\u00a0\u00bb<\/td><td>13<\/td><td>16,50<\/td><td>21<\/td><td>3<\/td><\/tr><tr><td>61110<\/td><td>Carforce Rapier<\/td><td>9<\/td><td>16,00<\/td><td>24<\/td><td>3<\/td><\/tr><tr><td>61145<\/td><td>Spider Man Webslinger 6000<\/td><td>9<\/td><td>16,00<\/td><td>27<\/td><td>3<\/td><\/tr><tr><td>61146<\/td><td>Spider Man \u00ab\u00a0Carnage Parasite RS\u00a0\u00bb<\/td><td>7<\/td><td>15,67<\/td><td>22<\/td><td>3<\/td><\/tr><tr><td>64007<\/td><td>Formule E Audi Sport ABT Lucas di Grassi, No.11<\/td><td>15<\/td><td>15,67<\/td><td>17<\/td><td>3<\/td><\/tr><tr><td>61213<\/td><td>Citroen DS3 WRC 2011<\/td><td>8<\/td><td>14,00<\/td><td>18<\/td><td>2<\/td><\/tr><tr><td>61112<\/td><td>Porsche GT3 Polizei<\/td><td>6<\/td><td>13,67<\/td><td>18<\/td><td>2<\/td><\/tr><tr><td>61183<\/td><td>Martin<\/td><td>10<\/td><td>13,33<\/td><td>16<\/td><td>2<\/td><\/tr><tr><td>61194<\/td><td>Cars 2 Francesco Bernoulli<\/td><td>9<\/td><td>13,33<\/td><td>17<\/td><td>2<\/td><\/tr><tr><td>64082<\/td><td>Flash McQueen Rust ece<\/td><td>13<\/td><td>13,33<\/td><td>14<\/td><td>2<\/td><\/tr><tr><td>61268<\/td><td>Mario Kart 7 &#8211; Yoshi<\/td><td>6<\/td><td>13,00<\/td><td>19<\/td><td>2<\/td><\/tr><tr><td>64000<\/td><td>Flash McQueen Neon<\/td><td>5<\/td><td>12,33<\/td><td>20<\/td><td>2<\/td><\/tr><tr><td>64001<\/td><td>Francesco Bernoulli Neon<\/td><td>5<\/td><td>12,00<\/td><td>18<\/td><td>2<\/td><\/tr><tr><td>61147<\/td><td>Flash McQueen<\/td><td>6<\/td><td>11,33<\/td><td>16<\/td><td>2<\/td><\/tr><tr><td>61169<\/td><td>Volkswagen Race Tuareg 2 Rally Dakar 2009<\/td><td>9<\/td><td>11,00<\/td><td>12<\/td><td>2<\/td><\/tr><tr><td>61266<\/td><td>Mario Kart 7 &#8211; Mario<\/td><td>8<\/td><td>10,33<\/td><td>12<\/td><td>2<\/td><\/tr><tr><td>61149<\/td><td>Chick Hicks<\/td><td>8<\/td><td>10,00<\/td><td>12<\/td><td>2<\/td><\/tr><tr><td>61170<\/td><td>BMW X3 CC Rally Dakar 2009<\/td><td>8<\/td><td>9,33<\/td><td>11<\/td><td>1<\/td><\/tr><tr><td>61037<\/td><td>MarioKart &#8211; Mario<\/td><td>8<\/td><td>9,00<\/td><td>10<\/td><td>1<\/td><\/tr><tr><td>61118<\/td><td>AMG Mercedes C Klasse DTM 2007 Livery 2008 AMG-Mercedes Bank 2008 \u00ab\u00a0Bruno Spengler\u00a0\u00bb<\/td><td>6<\/td><td>9,00<\/td><td>12<\/td><td>1<\/td><\/tr><tr><td>61178<\/td><td>F1 Renault R30 Showcar 2010<\/td><td>5<\/td><td>8,00<\/td><td>12<\/td><td>1<\/td><\/tr><tr><td>61195<\/td><td>Finn Mcmissile<\/td><td>6<\/td><td>7,67<\/td><td>9<\/td><td>1<\/td><\/tr><tr><td>61193<\/td><td>Cars 2 Flash McQueen<\/td><td>4<\/td><td>6,67<\/td><td>11<\/td><td>1<\/td><\/tr><tr><td>61176<\/td><td>F1 Ferrari 2010 Fernando Alonso<\/td><td>3<\/td><td>4,67<\/td><td>6<\/td><td>1<\/td><\/tr><tr><td>61179<\/td><td>F1 Red Bull RB5 Sebastian Vettel Nr.15<\/td><td>4<\/td><td>4,33<\/td><td>5<\/td><td>1<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>On dit que la puissance des aimants est un param\u00e8tre important pour les voitures de slot, car ils permettent aux voitures de coller \u00e0 la piste. J&rsquo;ai d\u00e9cid\u00e9 de mesurer&hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"categories":[18,46,54,62],"tags":[],"class_list":["post-920","post","type-post","status-publish","format-standard","hentry","category-articles","category-tag_go","category-test","category-voiture"],"_links":{"self":[{"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=\/wp\/v2\/posts\/920","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=920"}],"version-history":[{"count":0,"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=\/wp\/v2\/posts\/920\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=920"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=920"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.carrera-fun.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=920"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}