پژوهشنامه حمل و نقل

پژوهشنامه حمل و نقل

استراتژی کنترلی توقف اتوبوس‌ها در تمام ایستگاه‌های افق زمانی در شرایط امکان سبقت و عدم امکان سبقت برای اتوبوس‌ها

نوع مقاله : مقاله پژوهشی

نویسندگان
1 استادیار، دانشکده مهندسی عمران، دانشگاه علم و صنعت ایران، تهران، ایران
2 دانش آموخته کارشناسی ارشد، دانشکده مهندسی عمران، دانشگاه علم و صنعت ایران، تهران، ایران
چکیده
سیستم‌های حمل‌ونقلی سیستم‌های ناپایداری هستند و این ناپایداری بر روی شاخص‌های قابلیت اطمینان سیستم‌های حمل‌ونقل تاثیر می‌گذارد. برای افزایش قابلیت اطمینان می‌توان از استراتژی‌های کنترلی استفاده کرد. یکی از استراتژی‌های کنترلی، توقف اتوبوس‌ها در ایستگاه‌ها می‌باشد. در این پژوهش از استراتژی کنترلی توقف در تمام ایستگاه‌های افق زمانی استفاده ‌شده است. برای استراتژی کنترلی توقف، سناریوی عدم وجود شرایط سبقت اتوبوس‌ها و سناریوی وجود شرایط سبقت اتوبوس­ها مورد بررسی قرارگرفته است و برای هرکدام یک مدل ریاضی جداگانه ارائه‌ شده است. در مدل ریاضی ارائه‌شده، تاثیر استراتژی کنترلی توقف، بر زمان انتظار مسافران داخل اتوبوس و داخل ایستگاه مورد بررسی قرار گرفته است. در ادامه یک مثال فرضی برای حل مدل تعریف‌ شده است و بر روی برخی پارامترهای مدل تحلیل حساسیت انجام شده است. نتایج نشان می‌دهد که زمان انتظار مسافران در حالتی که از استراتژی کنترلی استفاده شده است نسبت به حالت بدون استراتژی کنترلی بین 3 تا 5/4 درصد کاهش یافته است.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

Bus Holding Control Strategy at All the Rolling Horizon Stops under Possible and Impossible Overtaking Conditions

نویسندگان English

Abdolreza Sheikholeslami 1
Masoud Mirzaei 2
1 Assistant Professor, School of Civil Engineering, Iran University of Science and Technology, Tehran, Iran.
2 M.Sc., Grad., School of Civil Engineering, Iran University of Science and Technology, Tehran, Iran.
چکیده English

Transportation systems tend to be unstable and this instability affects the reliability indices of transportation systems. To improve reliability, control strategies can be used. One of the control strategies is holding the buses at the stops. In this study, the holding control strategy in all rolling horizon stops is used. For holding control strategy, two scenarios of possible overtaking and impossible overtaking for the buses are studied. For each of these scenarios, an exclusive mathematical model is presented. In these mathematical models, the effect of holding control strategy on passengers’ waiting time on the bus and at the station is analyzed. Afterward, an example is assumed in order to solve the model, and sensitivity analysis is conducted on some of the model’s parameters. According to the results, employing control strategy leads to a 3-4.5 percent decline in passengers’ waiting time, compared to the state in which no control strategy is implemented.

کلیدواژه‌ها English

Control Strategy
Passengers’
Waiting Time
Buses’ Holding Time
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