A ground measurement and control system for a miniature turbojet aero-engine

Abstract

The invention discloses a miniature turbojet aero-engine ground measurement and control system. An engine has an electrical control unit, the tail of the engine is provided with an exhaust nozzle, the system includes an industrial control computer connected to the electrical control unit; and a data acquisition unit which includes a wind tunnel strain balance arranged under an engine base and a first data acquisition card which collects and measures balance signals of the wind tunnel strain balance which are generated when the engine rotates, and also includes two control rockers and a second data acquisition card which collects and measures two paths of voltage output signals of the two control rockers which are generated at current positions, wherein the first data acquisition card and the second data acquisition card are in communication connection with the industrial control computer; and an execution unit which includes two steering engines and a steering engine control module, wherein the two steering engines are connected to the exhaust nozzle, and the engine control module is connected to the industrial control computer. The system provided by the invention can comprehensively satisfy ground testing, rotating speed control and exhaust nozzle angle control of a miniature turbojet aero-engine.

Description

technical field [0001] The invention relates to a simulation conditioning device in a ground measurement and control system of an aviation miniature turbojet engine, belongs to the field of aviation ground measurement and control, and in particular relates to a ground measurement and control system of a miniature turbojet aeroengine. Background technique [0002] In industrial production, all kinds of engines need to pass a qualification test before they are officially introduced to the market. There are many test parameters, such as engine speed and fuel consumption. However, most of the existing test systems are relatively scattered and independent. They can only use a certain test instrument to test a certain parameter, and have a general data acquisition and test module. For a specific engine, the measurement accuracy is not high. , the parameters often do not meet the needs of the industry, and can not meet the test of some special parameters. For example, the research...

AI Technical Summary

Problems solved by technology

However, most of the existing test systems are relatively scattered and independent. They can only use a certain test instrument to test a certain parameter, and have a general data acquisition and test module. For a specific engine, the measurement accuracy is not high. , the parameters often do not meet the industrial needs, and can not meet the test of some special parameters

For example, the research on the thrust of the micro-turbojet aeroengine applied to the aircraft has an important impact on the aircraft's take-off, cruising, landing and other actions, but there are few reports on the measurement and control system applicable to this type of engine.

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