A governor is added to an engine to control or limit engine speed or road speed. 为了控制或限制发动机转速或行驶车速，发动机上装有限速器。
This paper presents the composition of the test rig for a newly developed speed governor as well as the goveronors work principle and performance matching specifications. 介绍对新研制的限速器进行试验的系统组成，限速器工作原理和工作过程，及其性能匹配技术要求等。
