Bumpless Transfer Control for Switched Linear Systems and its Application to Aero-Engines

To avoid the bumps of the control signal in the switching instants, this paper proposes a bumpless transfer control method which guarantees the continuous of control signal while keeping the asymptotic stability of the closed-loop system. Firstly, the presented bumpless transfer control method posse...

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Veröffentlicht in:IEEE transactions on circuits and systems. I, Regular papers Jg. 68; H. 5; S. 2171 - 2182
Hauptverfasser: Shi, Yan, Sun, Xi-Ming
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York IEEE 01.05.2021
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:
aero-engine
Aerodynamics
Aerospace engines
Asymptotic methods
Asymptotic properties
Asymptotic stability
bumpless transfer control
Closed loop systems
Control methods
Control stability
Control systems
Dwell time
Dynamic stability
Engine control
Feedback control
Hardware-in-the-loop simulation
Linear systems
Output feedback
Redesign
stability
State feedback
Subsystems
Switched system
Switched systems
Switches
Switching
ISSN:1549-8328, 1558-0806
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Zusammenfassung:To avoid the bumps of the control signal in the switching instants, this paper proposes a bumpless transfer control method which guarantees the continuous of control signal while keeping the asymptotic stability of the closed-loop system. Firstly, the presented bumpless transfer control method possesses a simple structure and meanwhile not have to redesign sub-controllers, which is easy to implement. Furthermore, the method is appropriate for either stable subsystems or unstable subsystems, and be suitable for either state feedback control or dynamic output feedback control. Moreover, we give the sufficient conditions of asymptotic stability for switched linear systems under bumpless transfer control for four cases. For the original switched system with stable subsystems under state or dynamic output feedback control, the stability conditions under mode-dependent average dwell time switching are derived. For the original switched system with unstable subsystems under state or dynamic output feedback control, which is stabilized by some certain switching laws, the stability conditions under the original switching law are given. Finally, a hardware-in-the-loop simulation of an aero-engine control system is employed to verify the effectiveness and superiority of the proposed method.
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ISSN:1549-8328
1558-0806
DOI:10.1109/TCSI.2021.3060745