فهرست:
1 کلیات تحقیق ...............................................................................................................................................................................1
1-1 مقدمه. 2
1-2 شرح مسئله. 3
1-3 اهداف پژوهش.... 5
1-4 سابقه تحقیق و اهمیت پژوهش.... 5
1-5 فرضیههای پژوهش.... 6
1-6 روش انجام پژوهش.... 7
1-7 مراحل پژوهش.... 7
1-8 دامنه کاربرد. 8
2 پیش زمینه و مروری بر تحقیقات گذشته .............................................................................................................. 9
2-1 مقدمه. 10
2-2 بهبود در برآورد ظرفیت بزرگراه 10
2-2-1 برآورد ظرفیت لحظهای.. 12
2-2-2 برآورد جریان ترافیک کوتاه مدت.. 14
2-3 الگوریتمهای کنترل رمپ... 15
2-3-1 الگوریتم ALINEA.. 17
2-3-2 الگوریتم Bottleneck. 18
3 مبانی و اصول و متدولوژی ............................................................................................................................................. 21
3-1 استراتژیهای کنترل رمپ استفاده شده در پژوهش.... 22
3-1-1 الگوریتم ZONE.. 22
3-1-2 استراتژی کنترل Zone طبقه بندی شده (SZM) 24
3-1-3 ارزیابی مقدماتی.. 27
3-2 برآورد ظرفیت لحظهای.. 27
3-2-1 برآورد ظرفیت نظری بزرگراهها 28
3-2-1-1 روش جدید HCM برای تعیین ظرفیت یا حداکثر تردد سرویس در بزرگراههای چند خطه. 29
3-2-1-2 طبیعت تصادفی.. 31
3-2-1-3 بسته نرم افزار R.. 32
3-2-2 برآورد ظرفیت عملی.. 33
3-2-2-1روش میانگین متحرک... 34
3-3 کنترل رمپ با محدودیت احتمال.. 36
3-3-1 مدل خطی جبری برای کنترل رمپ... 36
3-3-2 برنامهریزی احتمال محدود شده رفتار تصادفی.. 38
3-4 معرفی محور مورد مطالعه. 40
4 روش پیشنهادی در برآورد ظرفیت بزرگراه (مطالعه موردی: بزرگراه نیایش).............................42
4-1 مقدمه. 43
4-2 روش اول: برآورد ظرفیت لحظهای.. 44
4-2-1 تاریخهای آزمایش.... 44
4-2-2 روش پیشنهادی.. 45
4-2-2-1 برآورد ظرفیت نظری.. 47
4-2-2-2 برآورد ظرفیت عملی.. 52
4-2-2-3 اشغال بحرانی.. 55
4-2-3 آزمایش و نتایج.. 56
4-2-3-1 فرایند کالیبراسیون.. 56
4-2-3-2 پویایی ظرفیت متغیر با زمان.. 58
4-2-4 بهبود عملکرد. 59
4-3 روش دوم: کنترل رمپ با محدودیت احتمال.. 62
4-3-1 رفتار تصادفی ظرفیت بزرگراه تحت شرایط متفاوت جریان.. 62
4-3-1-1 محل آزمایش.... 63
4-3-1-2 روز آزمایش.... 63
4-3-1-3 جمع آوری دادهها 64
4-3-1-4 برازش توزیع نرمال.. 67
4-3-1-5 معنای توزیع ظرفیت تصادفی آزادراه 69
4-3-2 الگوریتم ZONE در بزرگراه نیایش با در نظر گرفتن محدودیت احتمال.. 72
4-3-2-1 الگوریتم ZONE با در نظر گرفتن محدودیت احتمال.. 72
4-3-2-2 آزمایش شبیه سازی.. 75
4-3-2-3 فرایند معتبرسازی.. 75
4-3-2-4 نتایج آزمایش.... 76
5 نتایج و پیشنهادات ...............................................................................................................................................................80
5-1 نتایج.. 81
5-2 پیشنهادات.. 83
6 مراجع.. 85
چکیده انگلیسی.................................................................................................................................................................. 92
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