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Estimation of Characteristic Data of Aircraft Engine Compressor based on Developed Modeling Method

  • Zeng Li , Li Yan-yan EMAIL logo and Long Wei
Published/Copyright: August 25, 2017
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Abstract

To resolve the problem of low estimation accuracy of compressor characteristic parameters based on traditional Kriging model, an improved interpolation method of aircraft engine compressor characteristic parameters based on the Kriging algorithm is proposed. Considering the distribution feature of original data, a high dimensional model is built. By defining the relationship between input and output data, an unknown vector composed of characteristic parameters at a certain speed of nd can be calculated based on the Kriging model. Furthermore, a sub-model is established by the calculated data and an unknown single target at the speed of nd can be calculated. Adopt the compressor characteristic parameters of an engine to identify the feasibility of this method. Set the efficiency coefficients and flow coefficients as the unknown characteristic parameters. Simulation results illustrate that the proposed is effective and efficient.

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Received: 2017-07-13
Accepted: 2017-08-07
Published Online: 2017-08-25
Published in Print: 2020-11-18

© 2017 Walter de Gruyter GmbH, Berlin/Boston

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