This paper presents an automatic device for controlling the throttle opening used on the engine testing bed.

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。

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Switching of speed change gear is based on the estimation of engine output from throttle opening and engine rpm.

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；

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Throttle displacement sensor will deliver the throttle opening signal to throttle control unit, forms the displacement control in closed loop.

节气门位置传感器则把节气门的开度信号反馈给节气门控制单元，形成闭环的位置控制。

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