Control design for multivariable nonlinear systems has cultivated into a mature research area. A variety of control design methodologies have been well established. In most of the approaches, however, it is implicitly assumed that an analytically mathematical model can be available. This is not always feasible since in many practical control problems, system dynamics may be represented by nonanalytical modules, such as look-up tables, c or Fortran codes, etc. As a consequence, conventional methods can only be performed after analytical models are obtained. In this paper, an approach is proposed where the nonanalytical modules can be handled directly. Important results are obtained on optimal control laws and their implementation; robust control is achieved using a new online tuning method; input saturation and stability issues are also discussed. A numerical study is provided to validate the effectiveness of the proposed method.
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April 2017
Research-Article
An Online Tuning Method for Robust Control of Multivariable Nonlinear Processes With Nonanalytical Modules and Time Delay
Jiqiang Wang,
Jiqiang Wang
Jiangsu Province Key Laboratory
of Aerospace Power Systems,
College of Energy and Power Engineering,
Nanjing University of Aeronautics
and Astronautics,
29 Yudao Street,
Nanjing 210016, China;
e-mails: jiqiang.wang@nuaa.edu.cn;
jiqiang_wang@hotmail.com
of Aerospace Power Systems,
College of Energy and Power Engineering,
Nanjing University of Aeronautics
and Astronautics,
29 Yudao Street,
Nanjing 210016, China;
e-mails: jiqiang.wang@nuaa.edu.cn;
jiqiang_wang@hotmail.com
Search for other works by this author on:
Hao Shen,
Hao Shen
Shanghai Aircraft Airworthiness
Certification Center of CAAC,
Shanghai 200335, China
Certification Center of CAAC,
Shanghai 200335, China
Search for other works by this author on:
Zhitao Song
Zhitao Song
Shanghai Aircraft Airworthiness
Certification Center of CAAC,
Shanghai 200335, China
Certification Center of CAAC,
Shanghai 200335, China
Search for other works by this author on:
Jiqiang Wang
Jiangsu Province Key Laboratory
of Aerospace Power Systems,
College of Energy and Power Engineering,
Nanjing University of Aeronautics
and Astronautics,
29 Yudao Street,
Nanjing 210016, China;
e-mails: jiqiang.wang@nuaa.edu.cn;
jiqiang_wang@hotmail.com
of Aerospace Power Systems,
College of Energy and Power Engineering,
Nanjing University of Aeronautics
and Astronautics,
29 Yudao Street,
Nanjing 210016, China;
e-mails: jiqiang.wang@nuaa.edu.cn;
jiqiang_wang@hotmail.com
Hao Shen
Shanghai Aircraft Airworthiness
Certification Center of CAAC,
Shanghai 200335, China
Certification Center of CAAC,
Shanghai 200335, China
Zhitao Song
Shanghai Aircraft Airworthiness
Certification Center of CAAC,
Shanghai 200335, China
Certification Center of CAAC,
Shanghai 200335, China
1Corresponding author.
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received July 2, 2015; final manuscript received October 18, 2016; published online February 2, 2017. Assoc. Editor: Sergey Nersesov.
J. Dyn. Sys., Meas., Control. Apr 2017, 139(4): 041001 (7 pages)
Published Online: February 2, 2017
Article history
Received:
July 2, 2015
Revised:
October 18, 2016
Citation
Wang, J., Shen, H., and Song, Z. (February 2, 2017). "An Online Tuning Method for Robust Control of Multivariable Nonlinear Processes With Nonanalytical Modules and Time Delay." ASME. J. Dyn. Sys., Meas., Control. April 2017; 139(4): 041001. https://doi.org/10.1115/1.4035088
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