Research and Implementation of Model Predictive Control for Aircraft Engines with Embedded Distributed Architecture

被引：0

作者：

Sheng H.-L. ^{[1
]}

Gu Z.-C. ^{[1
]}

Chen Q. ^{[1
]}

Liu Q. ^{[1
]}

Yin B.-X. ^{[1
]}

Wang Z. ^{[1
]}

Zhang T.-H. ^{[1
]}

机构：

[1] College of Energy and Power, Nanjing University of Aeronautics and Astronautics, Nanjing

来源：

Tuijin Jishu/Journal of Propulsion Technology | 2023年 / 44卷 / 11期

关键词：

Distributed control; Engine control; Hardware-in-the-loop simulation; Model predictive control; Turbojet engine;

D O I：

10.13675/j.cnki.tjjs.2207002

中图分类号：

学科分类号：

摘要：

It is arduous for the approach to design a control offline with the traditional centralized architecture to satisfy the complex and variable control requirements of an aero-engine during its entire life cycle. Model predictive control（MPC）for turbojet engines with partially distributed architecture is proposed in this paper，and its robustness is analyzed herein：firstly，an improved method is adopted to solve linear mixed models（LMMs），significantly reducing the time of model solving with guaranteed accuracy，thus addressing issues concerning the solution to the multivariable linear state-space model of an engine；secondly，a turbojet engine controller based on linear MPC is designed to improve the dynamic performance of an engine under constraint conditions；thirdly，a simulation platform of the distributed control system（DCS）is established with a network toolbox simulating the bus network，given the system features communication characteristics of the bus network，thus solving the problem of robustness analysis of the system in the case that packet loss occurs in the bus network；fourthly，a DCS hardware-in-the-loop（HIL）simulation platform is designed and built by using a multi-node modular design. In addition，an optimization method of embedding matrix operations is employed to enable the application of the MPC algorithm on embedded platforms. The experiments unveiled that the effect of MPC is better than that of the traditional PID control. The former effectively improves the dynamic response of an engine，meanwhile，in the presence of network packet loss，the DCS based on MPC contrived in this paper still has a stable control effect and robustness. © 2023 Journal of Propulsion Technology. All rights reserved.

引用

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