A nonlinear disturbance observer-based adaptive controller considering CG variation of urban aerial mobility

Cited 0 time in webofscience Cited 0 time in scopus
  • Hit : 20
  • Download : 0
This paper aims to propose a nonlinear adaptive attitude control method for urban aerial mobility (UAM) to counteract its center of gravity (CG) variations, which is considered one of the challenging issues for UAM development. To this end, we firstly analyze the effect of the dynamic change caused by the CG variations rigorously. The analysis result uncovers that the model uncertainties (it can be regarded as the internal disturbances) due to the CG variations are not rapidly changing during the operation of UAM. Based on this observation, a nonlinear adaptive controller is suggested to attenuate the disturbances by leveraging on a two-stage design procedure with the concept of the disturbance observer-based control (DOBC) and the three-loop control topology in this paper. To be more specific, the baseline controller, based on the feedback linearization control (FBLC) in conjunction with the three-loop control structure, is designed by including the disturbances as exogenous inputs to the system. And then, the nonlinear disturbance observer is separately designed to estimate these disturbances. Finally, the performance of the proposed method is examined through numerical simulations. © 2021 IEEE.
Publisher
Institute of Electrical and Electronics Engineers Inc.
Issue Date
2021-06-25
Language
English
Citation

29th Mediterranean Conference on Control and Automation, MED 2021, pp.991 - 996

DOI
10.1109/MED51440.2021.9480275
URI
http://hdl.handle.net/10203/288793
Appears in Collection
AE-Conference Papers(학술회의논문)
Files in This Item
There are no files associated with this item.

qr_code

  • mendeley

    citeulike


rss_1.0 rss_2.0 atom_1.0