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中文摘要：
缓解高速公路动态称重站引起的交通拥堵是提高整个高速公路网运营效率的关键，考虑我国货车车型分布特点，对单车型自适应性动态称重阈值计算模型进行改进，建立适用于多车型的自适应性动态称重阈值计算模型；通过对高速公路货车进行随机抽样，分析其超载量变化趋势，确定模型中阈值增量取值范围；运用VISSIM软件对该模型进行模拟仿真，结果表明：与传统的固定阁值系统相比，多车型自适应性动态称重阈值系统的超载控制率增加约20％，符合限重的车辆延误时间减少约43％．
英文摘要：
Mitigating a traffic jam caused by dynamic weighting of the station is critical to improve the operation efficiency of expressway network. The multi-type adaptability dynamic weight threshold algorithm is established based on Single models adaptability dynamic weight threshold algorithm, with consideration of the truck models feature o four country, By a random sampling of trucks on expressway, the scope of weight threshold incremental value is determined based on analysis of overloaded weight. The model is simulated with VISSIM. Compared with fixed threshold scenario, the capture rate increases about 20 % and the delay for legal-weight trucks spent in the weigh station is reduced by about 43 %.
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