Multi-parameter flight dynamometry test data collection system

Abstract

The invention provides a multi-parameter flight dynamometry test data collection system. The multi-parameter flight dynamometry test data collection system comprises a thrust and torque measuring module, a dip angle measuring module for measuring the inclining angles of a propeller in the horizontal and vertical directions, an acceleration measuring module for measuring the current motion state of the propeller, a temperature measuring module for the thrust and torque measuring module to collect the environment temperature where the propeller is positioned, an air pressure measuring module for collecting the atmospheric pressure value of the current height where the propeller is positioned, and a main control module. While the thrust and torque values of the propeller are collected, the environment factors such as temperature and pressure of the environment where the propeller are positioned and the self motion state and gestures of the propeller are also collected, so the thrust and torque measuring values of the propeller are corrected and the result is more accurate. Meanwhile, data can be provided for an upper fly control computer for analysis in real time, the work state of the propeller is handled, and accurate value basis is also provided for the pneumatic parameter identification and fly state control of a subsequent aircraft.

Description

technical field [0001] The invention relates to a data collection system, in particular to a multi-parameter flight dynamometer data collection system for real-time collection of aircraft propeller thrust and torque load. Background technique [0002] In recent decades, aviation propulsion technology has entered the jet age, but this does not mean that propellers have completely withdrawn from this field. On the contrary, propellers can only be used as power devices in certain aircraft or flight spaces. [0003] At present, most high-altitude platforms, including high-altitude airships and high-altitude UAVs, use propellers as their power devices. For example, various high-altitude platforms such as the High Platform in the United States and Helios series aircraft use propellers as their power devices. Therefore, the research on the aerodynamic performance of the propeller is still very important, especially the research on the propeller performance of the near-space vehicle...

AI Technical Summary

Problems solved by technology

[0004] Due to the large difference between the high-altitude atmospheric density and the ground atmospheric density, for the situation where there is no wind tunnel test condition for directly simulating the high-altitude low-density atmospheric environment on the ground, the relevant research work on the thrust and torque measurement of high-altitude propellers can only be carried out with the help of ground conventional methods. Density wind tunnel for propeller scale model tests

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