ساخت مدل‌های انتقال سلولی و مدل بهینه‌سازی به‌منظور تعیین فواصل مابین تابلوهای پیام متغیر

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانش‌آموخته کارشناسی ارشد راه و ترابری، دانشکده مهندسی عمران، دانشگاه علم و صنعت ایران، تهران

2 دانشجوی دکتری حمل و نقل، دانشکده مهندسی عمران، دانشگاه علم و صنعت ایران، تهران

3 دانشجوی دکتری راه و ترابری، دانشکده مهندسی عمران، دانشگاه علم و صنعت ایران، تهران

4 استاد، گروه راه و ترابری، دانشکده مهندسی عمران، دانشگاه علم و صنعت ایران، تهران

چکیده

امروزه استفاده از سامانه‌های هوشمند حمل‌ونقل باهدف روانی ترافیک و جانمایی مسافر و کالا و همچنین افزایش ایمنی و حفظ محیط‌زیست به‌طور گسترده موردتوجه قرارگرفته است. تابلوهای پیام متغیر که به‌اختصار VMS نامیده می‌شوند، از وسایل کنترل ترافیک محسوب می‌شوند که به‌منظور اطلاع‌رسانی به رانندگان در محل و به‌صورت به هنگام مورداستفاده قرار می‌گیرند. در این مطالعه مکان‌یابی به دو صورت مختلف انجام شد که ابتدا مدل انتقال سلول برای خیابان آزادی تهران انجام شد. سپس از طریق یک مدل بهینه‌سازی همین امر بر روی منطقه موردنظر اجرا شد. با توجه به تحلیل و مقایسه دو مدل این نتیجه حاصل شد که مدل ریاضی بهینه فاصله بیشتری را برای تعیین مکان تابلو پیام متغیر تعیین می‌کند و میزان حجم ورودی به منطقه انسداد و مجموع زمان سفر را بیشتر کاهش می‌دهد که نشان از آن دارد که این مدل مناسب‌تر از مدل انتقال سلولی است هرچند که تفاوت دو مدل بسیار کم بود. مکان بهینه تابلو پیام متغیر برای مدل انتقال سلولی 515 متر و برای مدل ریاضی بهینه مقدار 725 متر به دست آمد.

کلیدواژه‌ها


عنوان مقاله [English]

Cellular Transmission and Optimization Model Development to Determine the Distances between Variable Message Signs

نویسندگان [English]

  • Amirhossein Ameri 1
  • hamid bigdeli rad 2
  • Hamid Shaker 3
  • Mahmoud Ameri 4
1 Civil Engineering, Iran University of Science and Technology, Tehran, Iran.
2 Civil Engineering, Iran University of Science and Technology, Tehran, Iran.
3 Department of Civil Engineering, Iran University of Science and Technology, Tehran, Iran.
4 Iran University of Science and technology
چکیده [English]

Today, the use of intelligent transportation systems with the aim of smooth traffic and location of passengers and goods, as well as increasing safety and protecting the environment has been widely considered. Variable message signs, abbreviated VMS, are traffic control devices. They are used to inform drivers on time. In this study, locating was performed in two different ways. First, the cell transfer model was performed for Azadi Street in Tehran. Then, this was done on the desired area through an optimization model. According to the analysis and comparison of the two models, it was concluded that the optimal mathematical model determines a greater distance to determine the location of the variable message signs. It also further reduces the amount of input to the blocked area and the total travel time, indicating that this model is more suitable than the cellular transmission model. However, the difference between the two models was very small. The optimal location of the variable message signs was 515 m for the cellular transmission model and 725 m for the optimal mathematical model.

کلیدواژه‌ها [English]

  • Variable Message Signs
  • Optimization
  • Travel Time
  • Cell Transfer
  • Intelligent Transportation System
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