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Sökning: WFRF:(Meza Sanchez Iliana M)

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1.
  • Meza-Sánchez, Iliana M., et al. (författare)
  • Nonlinear output feedback H∞-tracking control of a 3-DOF underactuated helicopter
  • 2011
  • Ingår i: 18th IFAC World Congress. - : Elsevier. - 9783902661937 ; , s. 11145-11150
  • Konferensbidrag (refereegranskat)abstract
    • Nonlinear H∞-control synthesis is developed to solve the tracking control problem to induce periodic behavior in a 3-DOF underactuated helicopter prototype. Due to the nature of the approach, the proposed controller yields the desired robustness properties against unknown bounded external disturbances. Stabilizability and detectability properties of the control system are ensured by the existence of proper solutions of the corresponding differential Riccati equations. Virtual constraints approach for motion planning is considered prior the controller design in order to achieve the control goal. Performance issues of the proposed controller are illustrated via numerical simulations. 
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2.
  • Meza-Sanchez, Iliana M, et al. (författare)
  • Periodic motion planning and nonlinear H-infinity tracking control of a 3-DOF underactuated helicopter
  • 2011
  • Ingår i: International Journal of Systems Science. - : Informa UK Limited. - 0020-7721 .- 1464-5319. ; 42:5, s. 829-838
  • Tidskriftsartikel (refereegranskat)abstract
    • Nonlinear H-infinity synthesis is developed to solve the tracking control problem into a 3-DOF helicopter prototype. Planning of periodic motions under a virtual constraints approach is considered prior the controller design in order to achieve our goal. A local H-infinity controller is derived by means of a certain perturbation of the differential Riccati equations that appear while solving the corresponding H-infinity control problem for the linearised system. Stabilisability and detectability properties of the control system are thus ensured by the existence of the proper solutions of the unperturbed differential Riccati equations, and hence the proposed synthesis procedure obviates an extra verification work of these properties. Due to the nature of the approach, the resulting controller additionally yields the desired robustness properties against unknown but bounded external disturbances. Convergence and robustness of the proposed design are supported by simulation results.
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  • Resultat 1-2 av 2
Typ av publikation
konferensbidrag (1)
tidskriftsartikel (1)
Typ av innehåll
refereegranskat (2)
Författare/redaktör
Aguilar, Luis T. (2)
Orlov, Yury (2)
Shiriaev, Anton (2)
Meza-Sánchez, Iliana ... (2)
Freidovich, Leonid (1)
Freidovich, Leonid B ... (1)
Lärosäte
Umeå universitet (2)
Språk
Engelska (2)
Forskningsämne (UKÄ/SCB)
Naturvetenskap (1)
Teknik (1)
År
2011 (2)

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