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There are 16 papers published in subject: since this site started. |
Results per page: | 16 Total, 2 Pages | << First < Previous 1 2 |
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1. Model of the Parking Demand Prediction for Urban Complex | |||
Wu Zhizhou,Fan Yujie | |||
Transportation Engineering 04 March 2011 | |||
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Abstract:Urban Complex is a new concept of the combination of multiple-function architecture subsystems, including hotel, office, residence and entertainment, etc. Its parking requirements and characteristics are quite different from general city buildings'. In this paper, the traveler behavior characteristics in Urban Complex are analyzed first, and the correlation coefficients matrix among different functional subsystems is built. Then a modified parking generation rate model of the Urban Complex is developed. This model can eliminate the parking repetition in traditional parking generation rate model. The validation result shows that the model has higher accuracy in parking demand prediction. | |||
TO cite this article:Wu Zhizhou,Fan Yujie. Model of the Parking Demand Prediction for Urban Complex[OL].[ 4 March 2011] http://en.paper.edu.cn/en_releasepaper/content/4412172 |
2. Review on Designing pavement for steel bridge | |||
CHEN Xianhua | |||
Transportation Engineering 27 December 2010 | |||
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Abstract:This paper has presented a brief review of principles for the design of pavement for orthotropic steel plate decks. Issues on the local displacement and negative bending behaviour under truck loading, main distresses in asphalt surfacing and their mechanism, and basic requirements are included. A fatigue based mechanical-experimental design procedure was proposed for the designing of deck pavement. It is pointed out that new models to accurately describe the composite interaction between asphalt layer and steel deck plates, interaction between asphalt layer's fatigue and bonding membrane damage and their influences, and a more precise performance based design methods are still need to be further investigated. | |||
TO cite this article:CHEN Xianhua. Review on Designing pavement for steel bridge[OL].[27 December 2010] http://en.paper.edu.cn/en_releasepaper/content/4401550 |
3. Study on the Three-dimensional Loading Optimization Problem of Freight Transshipment | |||
Bu Lei,Yin Chuanzhong | |||
Transportation Engineering 15 December 2010 | |||
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Abstract:In this paper, the three-dimensional bin packing optimization for freight transshipment in multimodal transportation is considered. The problem is to load a set of different size regular goods with given quantities in containers at the container transfer station, and the objective is to minimize the number of containers needed. The authors set up the mathematic model considering the general characteristic of container multi-modal transportation, such as the constraints of load capacity, loading mass, direction and sequence of placement, and loading stability. At the same time, the authors also introduce the parameter of freight transportation time window, which is decided by freight train formation plan and transit deadline of goods. The authors put out an immune algorithm for the problem to enforce constringency. In this algorithm, effective antibody coding is designed in view of constraints of load capacity, loading mass, direction and sequence of placement, and affinity function is designed in view of constraints of loading stability and freight transportation time window. Computer simulation shows the efficiency and validity of the model and algorithm. | |||
TO cite this article:Bu Lei,Yin Chuanzhong. Study on the Three-dimensional Loading Optimization Problem of Freight Transshipment[OL].[15 December 2010] http://en.paper.edu.cn/en_releasepaper/content/4397536 |
4. Two-Way Bandwidth Maximization Model with Proration Impact Factor for Unbalanced Bandwidth Demands | |||
LU Kai,XU Jianmin,LI Lin | |||
Transportation Engineering 28 September 2010 | |||
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Abstract:Progression bandwidth maximization is one of the most important signal coordination strategies for urban arterial signal control. MAXBAND and MULTIBAND have implemented a weighting factor that is capable to adjust the bandwidth according to unbalance bandwidth demands in a two-way bandwidth maximization problem. However, the maximum bandwidth solution may not be achieved with certain values of weighting factors. Therefore, it might require users to have a good idea about what weighting factor to use in order not to compromise the total bandwidth. In this paper, we proposed a new two-way bandwidth maximization model that not only maximizes the total bandwidth but also introduces a bandwidth proration impact factor. This impact factor allows the user to control the importance of satisfying the bandwidth demand ratio. Numerical examples have demonstrated that the new model has the following advantages: (a) when two-way progressions are difficult to achieve, the model first guarantees maximum total bandwidths and then automatically prorates the bandwidth fully to the direction with higher traffic demand; (b) when two-way progressions could be achieved, the model not only guarantees maximum total bandwidth but automatically prorates the bandwidth in a ratio as close as possible to the ratio of bandwidth demands. | |||
TO cite this article:LU Kai,XU Jianmin,LI Lin. Two-Way Bandwidth Maximization Model with Proration Impact Factor for Unbalanced Bandwidth Demands[OL].[28 September 2010] http://en.paper.edu.cn/en_releasepaper/content/4386983 |
5. Optimizing Automatic Collision Avoidance between Vessels with Negotiation | |||
Hu Qinyou,Shi Chaojian,Yang Chun | |||
Transportation Engineering 11 February 2009 | |||
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Abstract:Several expert and fuzzy expert systems have been developed for avoiding collision between vessels in the past decades. However, none of them can negotiate with each other as seafarers usually do when they intend to make a safe but more economic overall collision-avoidance plan in the COLREGS-COST-HIGH situations where collision avoidance following the International Regulations for Preventing Collisions at Sea(COLREGS) costs too much. Automatic Identification System (AIS) makes data communication between two vessels possible, so negotiation approaches can be used to optimize vessel collision avoidance. In this paper, a negotiation framework is put forward to optimize the collision-avoidance plans in the COLREGS-COST-HIGH situations at open sea. Negotiations between a give-way vessel and a stand-on vessel and between two give-way vessels are considered respectively. With the framework proposed in this paper, two vessels involved in a COLREGS-COST-HIGH situation can negotiate with each other to get a safe but more economic overall collision-avoidance plan than that suggested by the legacy collision-avoidance systems alone. | |||
TO cite this article:Hu Qinyou,Shi Chaojian,Yang Chun. Optimizing Automatic Collision Avoidance between Vessels with Negotiation[OL].[11 February 2009] http://en.paper.edu.cn/en_releasepaper/content/28808 |
6. Analysis on Penetration of ATIS in Stochastic Dynamic Traffic Network | |||
Ren Hualing,Gao Ziyou,Long Jiancheng | |||
Transportation Engineering 04 February 2009 | |||
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Abstract:The penetration of the travelers with ATIS services is an important factor that controls the benefits of ATIS. Studies show that, the congestion extent of the urban traffic system will not always decrease through the increasing of the market penetration of ATIS. In this paper, a bi-level programming model is presented to determine the optimal service price and the market penetration of ATIS, in which the lower problem is a stochastic dynamic user optimal model. A chaotic approach is used to solve the bi-level programming model and the numerical results show the application of the bi-level programming model. Numerical experiments show the effects of the penetration of ATIS on the the travellers’ behaviors and the congestion level of the traffic network. | |||
TO cite this article:Ren Hualing,Gao Ziyou,Long Jiancheng. Analysis on Penetration of ATIS in Stochastic Dynamic Traffic Network[OL].[ 4 February 2009] http://en.paper.edu.cn/en_releasepaper/content/28401 |
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