Improved Gain Scheduling Control and Its Application to Aero-Engine LPV Synthesis

Jinfu Liu, Yujia Ma, Linhai Zhu, Hui Zhao, Huanpeng Liu and Daren Yu
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Jinfu Liu: Harbin Institute of Technology, School of Energy Science and Engineering, No. 92, West Dazhi Street, Harbin 150001, China
Yujia Ma: Harbin Institute of Technology, School of Energy Science and Engineering, No. 92, West Dazhi Street, Harbin 150001, China
Linhai Zhu: Harbin Institute of Technology, School of Energy Science and Engineering, No. 92, West Dazhi Street, Harbin 150001, China
Hui Zhao: China Ship Design and Development Center, No.185, Gaoxiong Road, Huangpu District, Shanghai 200003, China
Huanpeng Liu: Harbin Institute of Technology, School of Energy Science and Engineering, No. 92, West Dazhi Street, Harbin 150001, China
Daren Yu: Harbin Institute of Technology, School of Energy Science and Engineering, No. 92, West Dazhi Street, Harbin 150001, China

Energies, 2020, vol. 13, issue 22, 1-18

Abstract: Issues of gain scheduling control for aero-engines are addressed in this paper. An aero-engine is a system with high nonlinearity, and the requirement on controlling performance is high. Linear Parameter Varying (LPV) synthesis is commonly used to satisfy the requirements. However, the designing procedure of an LPV synthesis controller is complex, and may lead to undesirable design results when the variation rate of scheduling parameter is relatively fast. In this paper, an improved gain scheduling design procedure that can guarantee reliable stability and performance is developed. The method allows arbitrary variation of scheduling parameters, and is a modification for conventional LPV synthesis control. Special cases where traditional LPV synthesis control can still work are also discussed. The modified design procedure is evaluated on a small turbofan engine. Simulations show that for conditions where conventional scheduling fail to stabilize the plant, the proposed modification can ensure reliability and achieve desired performance.

Keywords: aero-engine; LPV synthesis; gain scheduling control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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