Automatica

Editor-in-Chief T. Basar Coordinated Science Lab., University of Illinois at Urbana-Champaign, 1308 West Main Street, Champaign, IL 61801-2307, USA, Fax: +1217 244 1653, Editor - Systems and Control Theory: R. Tempo IRITI-CNR, Politecnico di Torino, corso Duca Degli Abruzzi 24, 10129 Torino, Italy, Fax: +39 011 090-5429, Editor - Control and Estimation Theory: I. Petersen School of Electrical Engineering, Australian Defence Force Academy, University of Newcastle (New South Wales), Northcott Drive, Canberra, ACT 2600, Australia, Editor - Nonlinear Systems and Control: A. Teel Dept. of Electrical & Computer Engineering, University of California at Santa Barbara, Santa Barbara, CA 93106-9560, USA, Fax: +1 805 893 3262, Editor - Adaptive and Distributed Parameter Systems: M. Krstic Dept. of Mechanical and Aerospace Engineering, University of California at San Diego (UCSD), 9500 Gilman Drive; EBU-II, La Jolla, 92093-0411, USA, Editor - System Parameter Estimation T. Soderstrom Systems & Control Group, Uppsala Universitet, Box 337, 751 05 Uppsala, Sweden, Fax: +46 18 511925, Editor - Control System Applications T. Sugie Dept. of Systems Science, Kyoto University, 36-1 Yoshida-Honmachi, Sakyo-ku, 611-0011 Kyoto, Japan, Editor - Process and Computer Control F. Allgower Institute for Systems Theory in Engineering, Universität Stuttgart, Pfaffenwaldring 9, 10550 Stuttgart, Germany, Fax: +49 711 685 7735, Editor - Systems Engineering, Economics and Finance: B. Rustem Dept. of Computing, South Kensington Campus, Imperial College London, 180 Queens Gate London, SW7 2AB, UK, Fax: 0207 581 8024, Editor - Survey Papers: J. Baillieul Dept. of Aerospace/Mechanical Engineering, Boston University, 110 Cummington St, Boston, MA 02215, USA, Fax: +1 617 353 5866, Editor - Rapid Publications A. Tits Inst. Systems Research, University of Maryland, 2271 AV Williams bldg., College Park, MD 20742, USA, Fax: +301 405 6707, Editor - Book and Software Reviews E. Jonckheere Dept. of E.E. Systems, University of Southern California (USC), 3740 McClintock Ave., Los Angeles, CA 90089-2563, USA, Fax: 213-821-1109, Founding Editor-in-Chief (1969-1993) G.S. Axelby , Editor-in-Chief Emeritus (1994 - 2003) H. Kwakernaak , The Editorial Board consists of the Editor-in-Chief, Subject Editors and: C. Greenwell Elsevier Ltd., Kidlington, Oxford, UK, J.P. Fleming University of Sheffield, Sheffield, UK, D. Dochain Université Catholique de Louvain, Louvain-la-Neuve, Belgium, Y. Miyasato Institute of Statistical Mathematics, Tokyo, Japan, Associate Editors: A.P. Aguiar Instituto Superior Técnico (IST) Lisboa, Lisbon, Portugal, P. Albertos Universidad Politécnica de Valencia, Valencia, Spain, D. Angeli Imperial College London, London, England, UK, M. Arcak Rensselaer Polytechnic Institute, Troy, NY, USA, A. Astolfi Imperial College London, London, UK, E.W. Bai University of Iowa, Iowa City, IA, USA, M.V. Basin Universidad Autónoma de Nuevo León, Nuevo Leon, Mexico, M. Basseville Centre National de la Recherche Scientifique (CNRS), Rennes, France, F. Blanchini Università delgli studi di Udine, Udine, Italy, K. Boel Universiteit Gent, Gent, Belgium, R. D. Braatz Massachusetts Institute of Technology (MIT), Cambridge, MA, USA, M. Breton Ecole des Hautes Etudes Commerciales (HEC) Montreal, Montréal, QC, Canada, Y.Y. Cao Indianoplis, IN, USA, C.C. Cheah Nanyang Technological University, Singapore, Singapore, J. Chen City University of Hong Kong, Kowloon Tong, Kowloon, Hong Kong, T. Chen University of Alberta, Edmonton, AB, Canada, G. Chesi University of Hong Kong, Hong Kong, China, A. Chiuso Università degli Studi di Padova, Padova, Italy, D. Chu National University of Singapore (NUS), Singapore, O.L.V. Costa Universidade de São Paulo (USP), São Paulo, Brazil, F. Dabbene Politecnico di Torino, Torino, Italy, B. De Schutter Technische Universiteit Delft, Delft, Netherlands, W. Dixon University of Florida, Gainesville, FL, USA, M. Enqvist Linköping University, Linköping, Sweden, E. Fridman Tel Aviv University, Tel Aviv, Israel, Y. Fujisaki Kobe University, KOBE, Japan, H. Gao Harbin Institute of Technology, Harbin, China, S.S. Ge National University of Singapore (NUS), Singapore, Singapore, G. Gu Louisiana State University, Baton Rouge, LA, USA, K. Gu Southern Illinois University at Carbondale, Edwardsville, IL, USA, X. Guan Xi'an Jiaotong University, Xi"an, China, M. Guay Queen's