modelage de la réponse temporelle d'un système en utilisant une transformation de contrainte de sortie en contrainte d'entrée

Autor: Emmanuel Chambon, Pierre Apkarian, Laurent Burlion
Přispěvatelé: ONERA - The French Aerospace Lab [Toulouse], ONERA
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Zdroj: International Journal of Control
International Journal of Control, Taylor & Francis, 2017, 90, pp.1-32. ⟨10.1080/00207179.2017.1286043⟩
ISSN: 0020-7179
1366-5820
DOI: 10.1080/00207179.2017.1286043⟩
Popis: International audience; For linear systems, the control law design is often performed so that the resulting closed loop meets specific frequency-domain requirements. However, in many cases, it may be observed that the obtained controller does not enforce time-domain requirements amongst which the objective of keeping a scalar output variable in a given interval. In this article, a transformation is proposed to convert prescribed bounds on an output variable into time-varying saturations on the synthesised linear scalar control law. This transformation uses some well-chosen time-varying coefficients so that the resulting time-varying saturation bounds do not overlap in the presence of disturbances. Using an anti-windup approach, it is obtained that the origin of the resulting closed loop is globally asymptotically stable and that the constrained output variable satisfies the time-domain constraints in the presence of an unknown finite-energy-bounded disturbance. An application to a linear ball and beam model is presented.
Databáze: OpenAIRE