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Comment on S. Ahmed, H. Wang, and Y. Tian, “Robust adaptive fractional-order terminal sliding mode control for lower-limb exoskeleton,” Asian J. Control, vol. 21, no. 1, pp. 1–10 (2019)

Samaei, M. H ; Sharif University of Technology | 2022

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  1. Type of Document: Article
  2. DOI: 10.1002/asjc.2912
  3. Publisher: John Wiley and Sons Inc , 2022
  4. Abstract:
  5. In this comment, it is shown that there are some non-negligible big mistakes in the analyses and stability proof of the proposed controller in the quoted paper, which makes the main results of this paper to be incorrect. The main unavoidable mistakes in the stability analysis of the main theorem (Theorem 1) are stated and some remarks are also mentioned to fix some of them. © 2022 Chinese Automatic Control Society and John Wiley & Sons Australia, Ltd
  6. Keywords:
  7. Finite-time convergence ; Lower-limb exoskeleton ; Exoskeleton (Robotics) ; Sliding mode control ; Fractional order ; Fractional-order controllers ; Low-limb exoskeleton ; Lower limb ; Robust adaptive ; Robust-adaptive control ; Stability analyze ; Stability proofs ; Terminal sliding mode control ; Controllers
  8. Source: Asian Journal of Control ; 2022 ; 15618625 (ISSN)
  9. URL: https://onlinelibrary.wiley.com/doi/abs/10.1002/asjc.2912