نتایج جستجو برای: traffic control

تعداد نتایج: 1404996  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده ریاضی و کامپیوتر 1387

شبکه atm یک شبکه اتصالگرا است به این معنی که قبل از ارسال داده یک مدار مجاری بین مبداء و مقصد ایجاد می گردد. بنابراین یافتن بهترین مسیری که بتوان روی آن کار انتقال داده را انجام داد، جزء مسایل اساسی در طراحی شبکه های atm بوده است. از اینرو تعیین مسیرهای مجاری (vp) روی لینک های فیزیکی موجود و یافتن بهترین مدار مجاری (vc) جهت انتقال داده، مسایلی هستند که موجب طراحی مدل های متفاوتی برای شبکه های a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و صنعت ایران - دانشکده معماری و شهرسازی 1385

حمل و نقل در همه زمانها نقش بنیادین در توسعه اقتصادی و صنعتی جوامع داشتهاست. به موقع رساندن مواد خام به مراکز صنعتی و کشاورزی موجب تحرک دایمی چرخهای تولید می شود و حمل محصولات تولید شده به بازارهای مصرفی داخلی و خارجی و ادامه این فعالیت یعنی نزدیک کردن واتصال حلقه های کارخانجات تولیدی و مراکز مصرف رونق اقتصادی را به دنبال دارد بر پایه تفکر راه آهن به عاملی اساسی در فرایند توسعه پایدار در هر کشو...

Short term prediction of traffic flow is one of the most essential elements of all proactive traffic control systems. Although various methodologies have been applied to forecast traffic parameters, several researchers have showed that compared with the individual methods, hybrid methods provide more accurate results . These results made the hybrid tools and approaches a more common method for ...

Journal: :Cognitive Systems Research 2002
Niels Taatgen

Individual differences in skill acquisition are influenced by several architectural factors. According to Ackerman’s theory, general intelligence, speed of proceduralization and psychomotor speed influence different stages of skill acquisition. The ACT-R cognitive architecture allows for direct testing of this theory by manipulating parameters that correspond to these factors. The present study...

2008
Gopal R. Patil Adel W. Sadek

Work zones have significant negative impacts resulting from reduced capacity and speed, and increased accidents and delay. Thus, it is important to design a traffic control strategy that has minimum potential impact on the traffic at the work zone and the traffic in its vicinity. In this study, a regional microscopic model is used to evaluate different control strategies at a work zone on inter...

Journal: :IEEE Transactions on Intelligent Transportation Systems 2022

Traffic control is at the core of research in transportation engineering because it one best practices for reducing traffic congestion. It has been shown recent years that problem involving Lighthill-Whitham-Richards (LWR) model can be formulated as a Linear Programming (LP) given corresponding initial conditions and parameters fundamental diagram are fixed. However, uncertain when studying act...

2000
Guillaume Pierre Ihor Kuz Maarten van Steen

Caching and replication techniques can improve latency of the Web, while reducing network traffic and balancing load among servers. However, no single strategy is optimal for replicating all documents. Depending on its access pattern, each document should use the policy that suits it best. This paper presents an architecture for adaptive replicated documents. Each adaptive document monitors its...

2012
Petr Velan Radek Krejcí

Network monitoring has became a significant part of network management. Each environment and type of network have their specific, different needs. To allow network traffic monitoring in various environments, a necessity of flexible approach thus grows. The current generation of flow collectors provides only a limited flexibility, mainly due to limits of their data storage formats. Moreover, it ...

Journal: :CoRR 2013
Jimmy S. J. Ren Wei Wang Stephen Shaoyi Liao

Continuous motorization and urbanization around the globe leads to an expansion of population in major cities. Therefore, ever-growing pressure imposed on the existing mass transit systems calls for a better technology, Intelligent Transportation Systems (ITS), to solve many new and demanding management issues. Many studies in the extant ITS literature attempted to address these issues within w...

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