节气门开度指发动机节气门的开启角度。汽车发动机节气门由驾驶员通过加速踏板来操纵，以改变发动机的进气量，从而控制发动机的运转。不同的节气门开度标志着发动机的不同运转工况。
介绍了一种用于发动机台架试验时节气门开度自动控制装置。
This paper presents an automatic device for controlling the throttle opening used on the engine testing bed.
变速器档位的改变基于根据节气门开度 和发动机转速的发动机输出的估计；
Switching of speed change gear is based on the estimation of engine output from throttle opening and engine rpm.
设计了滑模控制器和PID控制器分别对节气门开度和点火时刻进行自适应调节。
Both sliding mode controller and PID controller are designed to realize adaptive regulation of throttle opening and ignition timing respectively.
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