Abstract: Aiming at the nonlinear and time-varying characteristics of freeway traffic system, a fuzzy self-adaptive PID controller is designed and applied to freeway ramp metering in this paper.

摘要：针对高速公路交通系统的非线性、时变特性，设计了一种模糊自适应控制器，并将其应用于高速公路匝道控制系统。

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Based on the model and in conjunction with nonlinear feedback theory, a fuzzy-PID ramp controller is then designed.

基于该模型，并结合非线性反馈理论，一个模糊的控制器，控制器，然后设计。

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This paper presents a fuzzy PID controller with on-line multi-linear interpolation. The method of designing the controller is showed.

本文提出一种在线多元插值模糊pid控制器，介绍了该控制器的设计方法。

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