Extended discrete-time transfer matrix approach to modeling and decentralized control of lattice-based structures

Nick Cramer; Sean Shan Min Swei; Kenneth C. Cheung; Mircea Teodorescu

doi:10.1002/stc.1837

Extended discrete-time transfer matrix approach to modeling and decentralized control of lattice-based structures

Nick Cramer, Sean Shan Min Swei, Kenneth C. Cheung, Mircea Teodorescu

Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

This paper presents the modeling and control of an aircraft wing structure constructed by lattice-based cellular materials/components. A novel model reduction process is proposed that utilizes the extended discrete-time transfer matrix method (E-DT-TMM). Through recursive application of the E-DT-TMM, an effective reduced-order model can be obtained in which a decentralized discrete-time linear quadratic regulator (LQR) controller can be designed. To demonstrate the efficiency of the proposed concept, a prototype wing structure is studied. The analysis and simulation results show that the performance of the proposed E-DT-TMM based decentralized LQR controller is comparable with that of the full-state continuous LQR controller.

Original language	British English
Pages (from-to)	1256-1272
Number of pages	17
Journal	Structural Control and Health Monitoring
Volume	23
Issue number	10
DOIs	https://doi.org/10.1002/stc.1837
State	Published - Oct 2016

Keywords

decentralized control
discrete time
LQR
structural control
transfer matrix method

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10.1002/stc.1837

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title = "Extended discrete-time transfer matrix approach to modeling and decentralized control of lattice-based structures",

abstract = "This paper presents the modeling and control of an aircraft wing structure constructed by lattice-based cellular materials/components. A novel model reduction process is proposed that utilizes the extended discrete-time transfer matrix method (E-DT-TMM). Through recursive application of the E-DT-TMM, an effective reduced-order model can be obtained in which a decentralized discrete-time linear quadratic regulator (LQR) controller can be designed. To demonstrate the efficiency of the proposed concept, a prototype wing structure is studied. The analysis and simulation results show that the performance of the proposed E-DT-TMM based decentralized LQR controller is comparable with that of the full-state continuous LQR controller.",

keywords = "decentralized control, discrete time, LQR, structural control, transfer matrix method",

author = "Nick Cramer and Swei, {Sean Shan Min} and Cheung, {Kenneth C.} and Mircea Teodorescu",

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AU - Swei, Sean Shan Min

AU - Cheung, Kenneth C.

AU - Teodorescu, Mircea

PY - 2016/10

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N2 - This paper presents the modeling and control of an aircraft wing structure constructed by lattice-based cellular materials/components. A novel model reduction process is proposed that utilizes the extended discrete-time transfer matrix method (E-DT-TMM). Through recursive application of the E-DT-TMM, an effective reduced-order model can be obtained in which a decentralized discrete-time linear quadratic regulator (LQR) controller can be designed. To demonstrate the efficiency of the proposed concept, a prototype wing structure is studied. The analysis and simulation results show that the performance of the proposed E-DT-TMM based decentralized LQR controller is comparable with that of the full-state continuous LQR controller.

AB - This paper presents the modeling and control of an aircraft wing structure constructed by lattice-based cellular materials/components. A novel model reduction process is proposed that utilizes the extended discrete-time transfer matrix method (E-DT-TMM). Through recursive application of the E-DT-TMM, an effective reduced-order model can be obtained in which a decentralized discrete-time linear quadratic regulator (LQR) controller can be designed. To demonstrate the efficiency of the proposed concept, a prototype wing structure is studied. The analysis and simulation results show that the performance of the proposed E-DT-TMM based decentralized LQR controller is comparable with that of the full-state continuous LQR controller.

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KW - transfer matrix method

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Extended discrete-time transfer matrix approach to modeling and decentralized control of lattice-based structures

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Keywords

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