A Reduced-order nonlinear clutch pressure observer for automatic transmission / Bingzhao Gao in IEEE Transactions on control systems technology, Vol. 18 N° 2 (Mars 2010)  

Public ISBD [article]  inIEEE Transactions on control systems technology > Vol. 18 N° 2 (Mars 2010) . - pp. 446-453 Titre : A Reduced-order nonlinear clutch pressure observer for automatic transmission Type de document : texte imprimé Auteurs : Bingzhao Gao, Auteur ; Chen, Hong, Auteur ; Haiyan Zhao, Auteur Année de publication : 2011 Article en page(s) : pp. 446-453 Note générale : Génie Aérospatial Langues : Anglais (eng) Mots-clés : Automatic transmission (AT) Clutch pressure estimation Input-to-state stability (ISS) Nonlinearity Reduced-order observer Index. décimale : 629.1 Résumé : For a novel type of automatic transmissions adopting clutch-to-clutch shift control technology with electro-hydraulic actuators, a clutch pressure observer method based on input-to-state stability (ISS) is proposed. Model uncertainties including steady state error and unmodelled dynamics are considered as additional disturbance inputs and the observer is designed in order that the error dynamics is input-to-state stable. Lookup tables, which are widely used to represent complex nonlinear characteristics of engine systems, appear in their original form in the designed reduced-order observer. The designed pressure observer is tested on an AMESim powertrain simulation model. Comparing with the sliding mode method, the designed pressure observer has the better performance. DEWEY : 629.1 ISSN : 1063-6536 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5200347 [article] A Reduced-order nonlinear clutch pressure observer for automatic transmission [texte imprimé] / Bingzhao Gao, Auteur ; Chen, Hong, Auteur ; Haiyan Zhao, Auteur . - 2011 . - pp. 446-453. Génie Aérospatial Langues : Anglais (eng) in IEEE Transactions on control systems technology > Vol. 18 N° 2 (Mars 2010) . - pp. 446-453 Mots-clés : Automatic transmission (AT) Clutch pressure estimation Input-to-state stability (ISS) Nonlinearity Reduced-order observer Index. décimale : 629.1 Résumé : For a novel type of automatic transmissions adopting clutch-to-clutch shift control technology with electro-hydraulic actuators, a clutch pressure observer method based on input-to-state stability (ISS) is proposed. Model uncertainties including steady state error and unmodelled dynamics are considered as additional disturbance inputs and the observer is designed in order that the error dynamics is input-to-state stable. Lookup tables, which are widely used to represent complex nonlinear characteristics of engine systems, appear in their original form in the designed reduced-order observer. The designed pressure observer is tested on an AMESim powertrain simulation model. Comparing with the sliding mode method, the designed pressure observer has the better performance. DEWEY : 629.1 ISSN : 1063-6536 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5200347

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