Vehicle Speed Warning System based on Mobile Device

Öz

Traffic jam caused by the increasing number of vehicles has required that the driver should be more carefull to provide a safe transportation. With the developing technology, mobile devices have been used in applications such as ensure of the traffic flow in the road transport, drivers be informed in advance about traffic, road and environmental against possible accidents. In this study an application for informing and warning the driver was developed by accessing to a vehicle's network information via iphone The data received through the ELM327 from CAN bus that one of the data buses used in vehicle was monitored on a mobile application. Diagnostic device supposed with wifi technology is chosen to access vehicle data traffic via iphone. Also GPS (Global Positioning System)sensor located on mobile device is to used inform the driver with placement datas application. Upon the highways, drivers were provided to warn by exceeding the selected value in situations requiring speed limits. It is assumed to contribute to the Traffic Management System that the variable data of vehicle such as position, speed, route, failure can be shared.

Anahtar Kelimeler

• CAN
• OBD-II
• ELM32
• iPhone

Mobil Cihaz Temelli Araç Hız Uyarı Sistemi

Öz

Artan araç sayısının neden olduğu trafik yoğunluğu sürücülerin güvenli bir ulaşım sağlaması için daha dikkatli olmasını gerektirmiştir. Gelişen teknoloji içerisinde mobil cihazlar özellikle görüntüleme ve kablosuz haberleşme yetenekleri ile akıllı trafik uygulamalarında kullanılmaya başlanmıştır. Örneğin, karayolu ulaşımında trafik akışının sağlanması, sürücülerin olası kazalara karşı yol, trafik ve çevre hakkında önceden bilgilendirilmesi, araç hakkında bilgilerin paylaşılması gibi uygulamalar yer almaktadır. Bu çalışmada, iPhone ile bir aracın network bilgisine erişim sağlanarak, sürücüyü bilgilendirme ve uyarma amaçlı bir uygulama geliştirilmiştir. Araçlarda kullanılan veri yollarından biri olan CAN (Controller Area Network) veri yolu üzerinden ELM327 cihazı ile hız verileri alınarak mobil bir uygulama üzerinde izlenmiştir. iPhone ile araç veri trafiğine erişim sağlamak için wi-fi teknoloji ile desteklenen diagnostik cihazı  seçilmiştir. Ayrıca mobil cihaz üzerinde  yer alan GPS (Global Positioning System) sensörü ile konum verileri uygulamada sürücü bilgilendirme amaçlı kullanılmıştır. Karayollarında hız sınırı gerektiren durumlarda seçilen değerin aşılması ile sürücünün uyarılması sağlanmıştır. Trafikte araçların anlık değişken verilerinin paylaşıma açık olması ile Trafik Yönetim ve Denetim (TMS-Traffic Management System) sistemlerine katkı sağlayacağı öngörülmüştür.

Anahtar Kelimeler

• CAN
• OBD-II
• ELM32
• iPhone

Kaynakça

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