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This study presents an interval bus departure frequency programming model for traffic system pollution control through odd-even restrictions on private vehicles policy under uncertainties. The restriction policy results in enormous cost of the public transportation system especially in peak hours. The developed model can effectively quantify the relationship among system cost, execution time of the...
In this paper degradation mechanism is discussed to deal with the problem of adaptive population size in evolutionary algorithm. A new evolutionary algorithm based on the degradation mechanism of population size is proposed according to a simplified strategy. The experimental results show that the new algorithm has better performance than an evolutionary algorithm with constant size of population.
This paper analyzes the performance of polypropylene fiber reinforced concrete, and shallow talk the application of polypropylene fiber reinforced concrete in bridge deck maintenance.
In order to deeply understand many walking gaits of hexapod robot in unstructured terrain and some relative factors of adapting various obstacles, an articulated leg model with six degree-of-freedom (DOF) is built in the initial researches. Based upon the designed six-DOF leg mechanism, a hexapod robot with total 42 DOFs is constructed, which can realize omni-directional movement. The tripod gait...
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