Title page for etd-0607115-143727


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URN etd-0607115-143727
Author Li-lun Chen
Author's Email Address No Public.
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Department Electrical Engineering
Year 2014
Semester 2
Degree Master
Type of Document
Language English
Title Design of Adaptive Sliding Mode Observers for Nonlinear Systems with Mismatched Perturbations
Date of Defense 2015-06-25
Page Count 69
Keyword
  • asymptotic stability
  • Lyapunov
  • sliding mode control
  • observer
  • mismatch
  • Abstract Based on the Lyapunov stability theorem, a sliding mode observer is proposed in this thesis for a class of single-input-two-output uncertain nonlinear systems with mismatched disturbances. A sliding surface function is firstly designed for the proposed observer with adaptive mechanisms embedded, so that the upper bounds of perturbations are not required to be known in advance, and the first state estimation error is able to reach zero within a finite time. Secondly stability analysis is demonstrated to ensure that the rest of state estimation errors have the ability to achieve asymptotic stability. A numerical example and a practical example are illustrated for showing the feasibility of the proposed methodology.
    Advisory Committee
  • Chi-Cheng Cheng - chair
  • Chi-Cheng Cheng - co-chair
  • Chung-Yao Kao - co-chair
  • Chih-Chiang Cheng - advisor
  • Files
  • etd-0607115-143727.pdf
  • Indicate in-campus at 5 year and off-campus access at 99 year.
    Date of Submission 2015-07-29

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