Pommier-Budinger, Valérie and Sabatier, Jocelyn and Lanusse, Patrick and Oustaloup, Alain Crone control of a nonlinear hydraulic actuator. (2002) Control Engineering Practice, vol. 1 (n° 4). pp. 391-402. ISSN 0967-0661
(Document in English)
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Official URL: http://dx.doi.org/10.1016/S0967-0661(01)00154-X
The CRONE control (fractional robust control) of a hydraulic actuator whose dynamic model is nonlinear is presented. An input-output linearization under diffeomorphism and feedback is first achieved for the nominal plant. The relevance of this linearization when the parameters of the plant vary is then analyzed using the Volterra input-output representation in the frequency domain. CRONE control based on complex fractional differentiation is finally applied to control the velocity of the input-output linearized model when parametric variations occur.
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