Publication: Nonlinear output-transition control for nonminimum-phase systems: The VTOL example
Issued Date
2017-05-26
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2-s2.0-85021842734
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Mahidol University
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SCOPUS
Bibliographic Citation
2017 2nd International Conference on Control and Robotics Engineering, ICCRE 2017. (2017), 97-101
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Arom Boekfah Nonlinear output-transition control for nonminimum-phase systems: The VTOL example. 2017 2nd International Conference on Control and Robotics Engineering, ICCRE 2017. (2017), 97-101. doi:10.1109/ICCRE.2017.7935050 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/42345
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Title
Nonlinear output-transition control for nonminimum-phase systems: The VTOL example
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Abstract
© 2017 IEEE. Achieving the optimal output-transition control for nonlinear systems remains challenging and requires complex calculation. This paper investigates the use of a polynomial-based output-transition trajectory together with three different types of inversion-based feedforward for nonminimum-phase vertical take-off and landing (VTOL) aircraft. The necessity of pre-actuation and post-actuation is examined by comparing the input and output of the VTOL system obtained from these three nonlinear output-transition control methods. Based on simulation results, pre-actuation and post-actuation can be omitted but at the expense of the input magnitude and the smoothness of the output transition. This study offers alternative nonlinear output-transition control for nonminimum-phase systems when pre-actuation and/or post-actuation are not available.