发动机台架试验测控仪的设计

Design of instrument for monitoring and testing engine performance

鉴于目前国内发动机性能测试的自动化水平普遍较低 ,介绍了一种新的基于工业控制计算机的发动机台架试验测控仪的总体设计 ,它是组成自动试验台所需的核心测控单元。本文系统地论述了该试验台控制仪的原理、具体组成以及控制方法。试验结果表明 ,该系统性能优良 ,测试精度高 ,系统扩展功能灵活 。

In view of the lower automation of the control system of engine test beds at home, this paper introduces a new instrument based on industrial control computer for monitoring and testing engine performance, which is the key unit of automatic test beds. Its principle, structure and control method are discussed in details. Results show that this system has excellent performance, high accuracy, and flexible functional-expansion. It is an ideal system for engine performance tests.