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Robust Regulation and Tracking Control of a Class of Uncertain 2DOF Underactuated Mechanical Systems

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  • David I. Rosas Almeida
  • Carlos Gamez
  • Raul Rascón

Abstract

A strategy to design and implement a robust controller for a class of underactuated mechanical systems, with two degrees of freedom, which solves the problems of regulation and trajectory tracking, is proposed. This control strategy considers the partial measurement of the state vector and the presence of parametric uncertainties in the plant; these conditions are common in the implementation of a control system. The strategy is based on the use of robust finite time convergence observers to estimate the unmeasured state variables, unknown disturbances, and other signals needed for the control system implementation. The performance of the control strategy is illustrated numerically and experimentally.

Suggested Citation

  • David I. Rosas Almeida & Carlos Gamez & Raul Rascón, 2015. "Robust Regulation and Tracking Control of a Class of Uncertain 2DOF Underactuated Mechanical Systems," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-11, October.
    • Handle: RePEc:hin:jnlmpe:429476
    DOI: 10.1155/2015/429476
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