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采用多值元胞机模型对混合非机动车流进行了建模模拟研究.混合非机动车流在我国城市交通中主要表现为三轮车和自行车的混合.针对三轮车和自行车实际尺寸的差异,设定自行车占据一个单位空间,三轮车占据两个单位空间.模拟结果显示:在三轮车与慢速自行车混合的系统中,三轮车比例和三轮车先行概率不会对系统流量造成影响,而三轮车先行概率只会影响到车辆的平均速度;在三轮车与快速自行车混合的系统中,确定性条件下在自由流区域和堵塞流区域都会出现多分支现象,快速自行车具有慢化概率时多分支现象消失.
Multivariate cellular model is used to simulate the mixed non-motorized vehicle flow.Mixed non-motorized vehicle flow in our city traffic is mainly manifested as the mixture of tricycles and bicycles.According to the difference of actual size of tricycle and bicycle, One unit space and tricycle occupy two units of space.The simulation results show that the tricycle ratio and the tricycle leading probability will not affect the system traffic in the mixed system of tricycles and slow bicycles and the tricycle lead probability will only affect the vehicle’s Average speed. In a mixed system of tricycles and fast bicycles, multi-branching occurs in the free flow area and the blocked flow area under certain conditions, and the phenomenon of multi-branching disappears when the fast bikes have a slow probability.