Nonlinear autopilot control design for a 2-DOF helicopter model
Nonlinear autopilot control design for a 2-DOF helicopter model
- Neue Suche nach: Kaloust, J.
- Neue Suche nach: Ham, C.
- Neue Suche nach: Qu, Z.
- Neue Suche nach: Kaloust, J.
- Neue Suche nach: Ham, C.
- Neue Suche nach: Qu, Z.
The paper illustrates a robust control scheme for application to helicopters in vertical flight mode (both take-off and landing) to guarantee altitude stabilisation. A nonlinear helicopter model is used to derive the proposed control in which Lyapunov's direct method is used to establish the overall system stability. A recursive design technique is applied to design a nonlinear robust controller using the highly coupled system structure. It will be shown that the proposed robust controller provides semiglobal stabilisation of uniform ultimate boundedness for achieving the desired altitude. That is, the control design is valid for all values of the helicopter's collective pitch angle away from zero. The vertical flight application demonstrates a unique robust control mechanisation for helicopter and V/STOL autopilot augmentation systems.
Dokumentinformationen
Nonlinear autopilot control design for a 2-DOF helicopter model
1997-11-01
5 pages
Aufsatz (Zeitschrift)
Englisch
vertical flight mode , V/STOL autopilot augmentation systems , control system synthesis , nonlinear autopilot control design , recursive design technique , aircraft control , Lyapunov methods , robust control scheme , uniform ultimate boundedness , Lyapunov's direct method , altitude stabilisation , semiglobal stabilisation , 2 DOF helicopter model , collective pitch angle , helicopters , nonlinear control systems , highly coupled system structure , robust control
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