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Related Experiment Video

Updated: Mar 14, 2026

A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump

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Published on: June 1, 2022

Design of Distributed Engine Control Systems with Uncertain Delay.

Xiaofeng Liu^1,2,3, Yanxi Li⁴, Xu Sun¹

¹School of Transportation Science and Engineering, Beihang University, Beijing, PR China.

|September 27, 2016

Summary

This summary is machine-generated.

Future gas turbine engine control systems use distributed architectures. This study presents a networked cascade control system (NCCS) for robust stability despite network delays and disturbances, validated by simulations.

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Area of Science:

Aerospace Engineering
Control Systems Engineering
Networked Systems

Background:

Future gas turbine engine control systems are adopting distributed architectures.
The performance of distributed engine control (DEC) relies heavily on network performance.
Network-induced time delays and disturbances pose significant challenges to DEC systems.

Purpose of the Study:

To introduce a novel distributed control system architecture for gas turbine engines.
To design a networked cascade control system (NCCS) framework for turboshaft engines.
To ensure robust stability of the DEC system under network-induced uncertainties.

Main Methods:

Development of a networked cascade control system (NCCS) framework.
Application of H∞ output feedback control strategies.
Derivation of robust stability conditions using Lyapunov stability theory and linear matrix inequality (LMI).

Main Results:

Sufficient conditions for robust stability of the NCCS were successfully derived.
The proposed NCCS framework effectively addresses network-induced time delays and disturbances.
Both numerical and hardware-in-loop simulations confirmed the method's effectiveness.

Conclusions:

The presented NCCS framework provides a robust solution for distributed gas turbine engine control.
The H∞ output feedback approach ensures stability in the presence of network uncertainties.
The validated method is suitable for advanced turboshaft engine control systems.