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008			100305s2009 th uu|m rtt 0| a1eng d
035			_a.b12073921
099		9	_aAIT Thesis no.TE-08-02
100	0		_aTawin Tiratanapakhom
245	1	0	_aNetwork design problem with a stochastic traffic assignment technique
260			_aPathum Thani, Thailand : _bAsian Institute of Technology, _c2009
300			_a68 leaves : _bill.
490	1		_aThesis ; _vno. TE-08-02
500			_aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Transportation Engineering, School of Engineering and Technology
502			_aThesis (M.Eng.) - Asian Institute of Technology, 2008
520			_aTraffic assignment model plays an important role in network design problem by producing a user equilibrium flow pattern for finding the optimal network improvement. The classical traffic assignment technique assigns a fixed OD table onto the network, so that a set of average link flows are generated. However, the demand for travel encounters many uncertainties in the real world. Therefore, the OD demand cannot be fixed and using it may provide some misleading information. To account for such uncertainties, a stochastic OD table with the assumed Normal distribution in each OD demand is introduced. The modified traffic assignment with a stochastic OD table was examined in several experiments. It has been found that the probabilistic link flows tend to follow the Normal distribution. Furthermore, the different decision results were observed between using vie ratio and probability of congestion. Eventually, the proposed idea was further extended to the network design problem and led to the formulation of new network design problem concept which aims to minimize the system probability of congestion (SPC). Furthermore, some more experiments were conducted for making a comparison between proposed and conventional NDP. Finally, in association with the SPC, the new concept of Braess' s paradox is introduced.
650		0	_aTraffic assignment
650		0	_aTransportation _xPlanning
700	1		_aKim, Hyunmyung, _eChairperson
700	0		_aKunnawee Kanitpong, _eExamination committee
700	1		_aTanaka, Shinji, _eExamination committee
710	2		_aRTG Fellowship, _eScholarship donor
810	2		_aAsian Institute of Technology. _tThesis ; _vno. TE-08-02
856			_3Full-Text _uhttp://203.159.5.9/ait-thesis/detail.php?q=B04091
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