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Open Access

Real-Time Control for CPS of Digital Airplane Assembly with Robust H-Infinity Theory

Hui Li, Linxuan Zhang( ), Tianyuan Xiao, Jietao Dong
State CIMS Engineering Research Center at Tsinghua University, Beijing 100084, China.
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Abstract

This study introduces a real-time controller design method under the effects of network time delay and external disturbance. The study first introduces the digital, virtual, intelligent trend of airplane assembly and reveals the status and problems of digital airplane assembly studies. The Cyber-Physical System (CPS) structure is then proposed for digital airplane assembly, and the real-time control issues are discussed. Then, the question of real-time control undertaken by a parallel robot is simplified to a control question with bounded time delay and complex interference, and a mathematical description is presented. Next, a robust H ∞ controller with a disturbance degree of decay γ is designed according to the mathematical description. Finally, a simulation is conducted. All of the experiment results show the feasibility of the above proposed methods.

Keywords

cyber physical systemnetwork time delayrobust H-infinity controllinear matrix inequality

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Tsinghua Science and Technology
Volume 20 Issue 4,
August 2015
Pages 376-384
DOI: 10.1109/TST.2015.7173453
Cite this article:
Li H, Zhang L, Xiao T, et al. Real-Time Control for CPS of Digital Airplane Assembly with Robust H-Infinity Theory. Tsinghua Science and Technology, 2015, 20(4): 376-384. https://doi.org/10.1109/TST.2015.7173453

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Received: 28 February 2015
Revised: 21 June 2015
Accepted: 23 June 2015
Published: 03 August 2015
© The authors 2015
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