{"id":54231,"date":"2020-06-03T04:31:44","date_gmt":"2020-06-03T04:31:44","guid":{"rendered":"https:\/\/\/capteur-time-of-flight-permettant-de-detecter-plusieurs-objets\/"},"modified":"2020-06-03T04:31:44","modified_gmt":"2020-06-03T04:31:44","slug":"capteur-time-of-flight-permettant-de-detecter-plusieurs-objets","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/capteur-time-of-flight-permettant-de-detecter-plusieurs-objets\/","title":{"rendered":"Capteur Time-of-Flight permettant de d\u00e9tecter plusieurs objets"},"content":{"rendered":"

Cette technologie permet aux concepteurs d\u2019introduire de puissantes fonctions dans leurs produits, par exemple en dotant les capteurs de pr\u00e9sence d\u2019une capacit\u00e9 de d\u00e9tection sans erreur qui ignore les objets ind\u00e9sirables situ\u00e9s au premier plan ou en arri\u00e8re-plan, ou en indiquant la distance exacte de chacun des diff\u00e9rents objets qui se trouvent dans le champ de vision du capteur.<\/p>\n

Les algorithmes d\u2019histogramme brevet\u00e9s de ST augmentent l\u2019immunit\u00e9 aux r\u00e9flexions optiques parasites lorsque des vitres de protection sont utilis\u00e9es, et permettent de compenser les salissures en temps r\u00e9el en emp\u00eachant qu\u2019une contamination externe n\u2019affecte la pr\u00e9cision d\u2019appareils tels que des aspirateurs ou des \u00e9quipements utilis\u00e9s dans des environnements industriels poussi\u00e9reux. La capacit\u00e9 de d\u00e9tection en conditions de forte luminosit\u00e9 ambiante est \u00e9galement am\u00e9lior\u00e9e.<\/p>\n

Par ailleurs, le capteur VL53L3CX se distingue par une lin\u00e9arit\u00e9 sup\u00e9rieure qui accro\u00eet la pr\u00e9cision de mesure sur les courtes distances, am\u00e9liorant ainsi la capacit\u00e9 de d\u00e9tection et de guidage le long des murs (Wall tracking), la d\u00e9tection rapide des marches d\u2019escalier (Cliff detection) et optimisant l\u2019\u00e9vitement des obstacles dans des \u00e9quipements tels que les robots d\u2019entretien ou les aspirateurs \u2014 des march\u00e9s o\u00f9 ST rencontre d\u00e9j\u00e0 un succ\u00e8s commercial important. \u00c0 l\u2019image des autres capteurs de la famille FlightSense, la r\u00e9f\u00e9rence VL53L3CX se caract\u00e9rise par une conception compacte tout-en-un qui facilite son int\u00e9gration dans les produits des clients, ainsi que par une faible consommation d\u2019\u00e9nergie qui contribue \u00e0 prolonger l\u2019autonomie de batterie.<\/p>\n

La d\u00e9tection par mesure du temps de vol \u00e9l\u00e8ve le niveau de performances d\u2019un large \u00e9ventail d\u2019applications. Par exemple, cette technique augmente la fiabilit\u00e9 de la d\u00e9tection des utilisateurs devant des syst\u00e8mes de contr\u00f4le d\u2019acc\u00e8s ou devant des \u00e9crans de contr\u00f4le domotiques, rend la d\u00e9tection de proximit\u00e9 plus intelligente dans les terminaux connect\u00e9s \u00e0 Internet (IoT), facilite la fonction de r\u00e9veil automatique dans les appareils portables ou am\u00e9liore la d\u00e9tection des mains des utilisateurs de distributeurs de savon ou robinets d\u2019eau automatiques. Gr\u00e2ce \u00e0 leur pr\u00e9cision \u00e9lev\u00e9e et \u00e0 leur grande r\u00e9activit\u00e9, les capteurs ToF maximisent \u00e9galement les performances de tous les appareils qui n\u00e9cessitent un contr\u00f4le des mouvements de haute pr\u00e9cision, tels que les robots et les drones.<\/p>\n

www.st.com\/vl53l3cx-pr<\/a><\/p>\n

www.st.com<\/a><\/p>\n

STMicroelectronics et TSMC veulent acc\u00e9l\u00e9rer l\u2019adoption du GaN<\/a><\/h3>\n

L’accord avec ST ne prot\u00e9gera pas Huawei mais pourrait aider<\/a><\/h3>\n

STMicro va r\u00e9duire de moiti\u00e9 sa production en France suite au Covid-19<\/a><\/h3>\n

STMicro se renforce dans le GaN avec Exagan <\/a><\/h3>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

STMicroelectronics \u00e9tend les capacit\u00e9s de ses capteurs de d\u00e9tection ToF de la famille FlightSense avec la r\u00e9f\u00e9rence VL53L3CX. Ce nouveau capteur utilise des algorithmes d\u2019histogramme brevet\u00e9s pour mesurer la proximit\u00e9 de plusieurs objets tout en augmentant le niveau de pr\u00e9cision. Le VL53L3CX mesure la proximit\u00e9 d\u2019un objet entre 2,5 cm et 3 m, sans \u00eatre affect\u00e9 par la r\u00e9flectance ou la couleur de la cible, contrairement aux capteurs infrarouges classiques.<\/p>\n","protected":false},"author":9,"featured_media":54232,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-54231","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Capteur Time-of-Flight permettant de d\u00e9tecter plusieurs objets ...<\/title>\n<meta name=\"description\" content=\"STMicroelectronics \u00e9tend les capacit\u00e9s de ses capteurs de d\u00e9tection ToF de la famille FlightSense avec la r\u00e9f\u00e9rence VL53L3CX. 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