Abstract
An optimization model was developed for urban traffic environmental system based on passenger trip generating. Firstly, a System Dynamic model was built up to simulate the developing characteristics of urban passenger traffic system, as well as its environmental impacts. Secondly, a linear optimization model, with the objective of maximizing traffic efficiency under the resource and the environment constrains, was formed to search for the best trip assignment structure. Thirdly, several scenarios were designed based on the results of the two former models and amending effects were re-simulated. Finally, grey correlation assessment was utilized on the premise of social-economic support, feasible policy, minimized pressures on resource and environment, to select the optimized assignment structure. A case study of Beijing was followed and the results verified the model's effectiveness.
| Original language | English |
|---|---|
| Pages (from-to) | 121-128 |
| Number of pages | 8 |
| Journal | Beijing Daxue Xuebao (Ziran Kexue Ban)/Acta Scientiarum Naturalium Universitatis Pekinensis |
| Volume | 46 |
| Issue number | 1 |
| Publication status | Published - Jan 2010 |
Keywords
- Beijing
- Linear optimization
- Scenario analysis
- System dynamics
- Trip structure
- Urban passenger traffic environmental system
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