Optimal Traffic Control Urban Intersections~tqw~ darksiderg

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  Optimal Traffic Control Urban Intersections~tqw~ darksiderg
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• Added:
  07/18/2008
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  *******************************************************************************<br /> Optimal Traffic Control: Urban Intersections <br /> *******************************************************************************<br /> <br /> -------------------------------------------------------------------------------<br /> General Information<br /> -------------------------------------------------------------------------------<br /> Type.................: Ebook<br /> Part Size............: 5,429,694 bytes<br /> <br /> <br /> <br /> <br /> -------------------------------------------------------------------------------<br /> Post Information<br /> -------------------------------------------------------------------------------<br /> Posted by............: ~tqw~<br /> <br /> -------------------------------------------------------------------------------<br /> Release Notes<br /> -------------------------------------------------------------------------------<br /> Despite traffic circles, four-way stop signs, lights regulated by timers or <br /> sensors, and other methods, the management of urban intersections remains <br /> problematic. Consider that transportation systems have all the features of so-<br /> called complex systems: the great number of state and control variables, the <br /> presence of uncertainty and indeterminism, the complex interactions between <br /> subsystems, the necessity to optimize several optimization criteria, and active <br /> behavior of the controlled process, to name just a few. Therefore, a <br /> mathematical approach to these systems can resolve their complex issues more <br /> elegantly than other methods. Addressing both efficiency and traffic safety <br /> issues, Optimal Traffic Control: Urban Intersections examines the traffic <br /> control optimization problem and presents a novel solution method. Using an <br /> approach based on control theory, graph theory, and combinatorial optimization, <br /> the authors derive a full mathematical description of the traffic control <br /> problem and enumerate all combinatorial aspects. The result is a set of <br /> algorithmic solutions to various problems along with computer implementation <br /> that you can incorporate into real traffic control systems for immediate <br /> results. The book concludes by evaluating how the choice of a complete set of <br /> signal groups influences intersection performance. Although modern cities <br /> throughout the world have a unique character influenced by culture, geography, <br /> and population, most of them share one main feature: busy intersections and the <br /> issue of controlling the traffic traveling through them. The development of <br /> information technologies, especially computer and telecommunications techniques, <br /> has changed thecomplexity of the problem and influenced the development of new <br /> solutions. Clearly stating the issues and presenting a possible solution, this <br /> book shows you how to take full advantage of all the capabilities of <br /> microprocessor-based traffic signal controllers.<br /> <br /> Table Of Contents<br /> <br /> Preface xi<br /> Introduction 1<br /> PART I Mathematical model of t raffic proces on a signalized intersection 9<br /> 1. General mathematical description of the dynamic process on a signalized <br /> intersection 11<br /> 2. Uncontrolled system inputs 17<br /> 3. Signal group 33<br /> 4. Traffic control 57<br /> 5. Queues&mdash;state of the traffic process on isolated signalized intersections 69<br /> 6. The output function 81<br /> PART II control problem statement 85<br /> 7. General statement of traffic control problem (signal plan choice) 87<br /> 8. The set of feasible controls (signal plans) 91<br /> 9. Optimization criteria 161<br /> PART III The method of optimal signal plan determination 183<br /> 10. The statement of the problem of finding the optimal closed path on graph Gs <br /> 185<br /> 11. The method of finding the optimal closed path on graph Gs 187<br /> PART IV Determination of optimal control (signal plan) 215<br /> 12. Capacity optimization 217<br /> 13. Delay minimization 253<br /> 14. Extreme values of signal plan parameters 259<br /> PART V Effects of t he choice of t he complete set of signal groups ON <br /> intersection performance 269<br /> 15. The relation of partial ordering (refinement) and the set of feasible <br /> controls 271<br /> 16. The heuristics for the choice of the complete set of signal groups 273<br /> Appendices<br /> I: Graphs, cliques 289<br /> II: Equivalence relation 295<br /> III: Pseudocodes of programs CLIQ and MINA 297<br /> IV: Refinement relation, Hasse diagrams 299<br /> V: Effective values of green, red, and intergreen times 301<br /> VI: Determination of the control vectors transition graph 309<br /> VII: Description of STECSOT program (STructurE and Cycle Split Optimization <br /> Technique) 321<br /> VIII: The proof of delay function convexity 329<br /> REFERENCES 339<br /> <br /> Product Details<br /> <br /> * ISBN: 1420062689<br /> * ISBN-13: 9781420062687<br /> * Format: Hardcover, 352pp<br /> * Publisher: CRC Press<br /> * Pub. Date: November 2007<br /> <br /> -------------------------------------------------------------------------------<br /> Install Notes<br /> -------------------------------------------------------------------------------<br /> PDF Reader<br /> <br />
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