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Study on cloud model of operating speed based on road alignment and sight distance

机译:基于道路定线和视距的运行速度云模型研究

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摘要

The model of operating speed is important for the safety design of road geometry alignment. The model of operating speed based on radius of horizontal curve, longitudinal grade, and sight distance is founded by cloud theory in this paper. The concept trees for input parameters are mined automatically extracted from actual experiment data. The rule base is auxiliary created by fuzzy neural logic system in Matlab ANFIS. Simulation result indicates that cloud model of operating speed is able to describe the uncertainty feature of the operating speed.
机译:运行速度模型对于道路几何路线的安全设计很重要。利用云理论建立了基于水平曲线半径,纵向坡度和视距的运行速度模型。输入参数的概念树是从实际实验数据中自动提取的。规则库是由Matlab ANFIS中的模糊神经逻辑系统辅助创建的。仿真结果表明,运行速度的云模型能够描述运行速度的不确定性特征。

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