Optimal Path Selection under Emergency Based on the Fuzzy Comprehensive Evaluation Method.
When occurs, the city is vulnerable, city is the region of high concentration of population and economic activities, and the traffic system is the lifeline of urban and , it is material transportation channel, and it is the path of personnel evacuating, sending rescue personnel and engineering team, delivering relief supplies under situations. The occurring of emergencies in addition to direct serious damage of transportation infrastructure, casualties and economic losses, it also make troubles for sending rescue workers, carrying relief supplies and relief and emergency triggering of engineering team because of the stagnation of vehicles and interrupt of roads, it will trigger more indirect lose. In reaction to the phenomenon, this paper proposed an optimal route choice model under the emergency based on AHP-fuzzy comprehensive method, This article proposed algorithm based on fuzzy comprehensive algorithm, combining hierarchy analysis method (AHP), make the calculated conclusion more reliability and accuracy. By simulation show that the proposed algorithm based on AHP-fuzzy comprehensive evaluation method has higher accuracy compared with the general algorithm, it is more accord with people's demand for path under emergency conditions. [ABSTRACT FROM AUTHOR]/nCopyright of Metallurgical & Mining Industry is the property of Ukrmetallurginform STA Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Use microscopic simulation software Vissim to obtain the average travel time of the road.
Algorithm presentation, simulation for validation.
Shortest path
Algorithm development and simulation
In order to verify the validity of the model and algorithm, this paper established the simulation network as shown in figure 3, the network node number is 28, road number is 45, we specifie node 1 as a starting point and node 28 as the end.
This article proposed algorithm based on fuzzy comprehensive algorithm, combining hierarchy analysis method (AHP), make the calculated conclusion more reliability and accuracy. By simulation show that the proposed algorithm based on AHP-fuzzy comprehensive method has higher accuracy compared with the general algorithm, it is more accord with people's demand for path under conditions.Experiments show that the AHP-fuzzy comprehensive evaluation algorithm is more accord with people demand for path conditions.
This paper proposed the optimal route choice model based on AHP-fuzzy comprehensive method under the , the presented algorithm based on fuzzy comprehensive algorithm, combining hierarchy analytic method (AHP), it makes the calculated conclusion has higher reliability and accuracy.
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