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Study on LQG Regulation Design of DC Motor

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Unifying Electrical Engineering and Electronics Engineering

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 238))

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Abstract

Designing a Linear-Quadratic-Gaussian (LQG) regulator is the most convenient, reliable, and economical way to optimally dynamic control the target object. LQG uses Kalman filter to observe the state of the system, especially for specific system noise and system measurement noise. The system model of LQG regulator is a linear system using the state-space form, and its objective function is a quadratic function of the state and the input. It uses Kalman filter to observe and track system state. By changing LQ-optimal gain K continuously and minimizing the quadratic cost function, it realizes the optimal dynamic control of the target object. It can be observed from MATLAB simulation that the unit step response curve of the closed-loop system with LQG controller monotonic decays immediately after slightly overshooting. It reflects that optimal performance has been achieved in this kind of design.

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References

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Author information

Authors and Affiliations

  1. Department of Electrical Engineering and Automation, Luoyang Institute of Science and Technology, Luoyang, Henan, 471023, China

    Guoliang Liu & Haitao Gao

Authors
  1. Guoliang Liu
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  2. Haitao Gao
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Corresponding author

Correspondence to Guoliang Liu .

Editor information

Editors and Affiliations

  1. Dept. Information Systems, California State University, Los Angeles College of Business & Economics, Los Angeles, California, USA

    Song Xing

  2. Electronics and Information Technology S, Nanjing University of Information and Sc, Nanjing, Jiangsu, China, People's Republic

    Suting Chen

  3. Sunnyvale, California, USA

    Zhanming Wei

  4. Electronics and Information Technology S, Nanjing University of Information and Sc, Nanjing, Jiangsu, China, People's Republic

    Jingming Xia

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© 2014 Springer Science+Business Media New York

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Cite this paper

Liu, G., Gao, H. (2014). Study on LQG Regulation Design of DC Motor. In: Xing, S., Chen, S., Wei, Z., Xia, J. (eds) Unifying Electrical Engineering and Electronics Engineering. Lecture Notes in Electrical Engineering, vol 238. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-4981-2_209

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  • DOI: https://doi.org/10.1007/978-1-4614-4981-2_209

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  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4614-4980-5

  • Online ISBN: 978-1-4614-4981-2

  • eBook Packages: EngineeringEngineering (R0)

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