Ifac/Ifip Conference on Management and Control of Production and Logistics, Date: AUG 31-SEP 03, 1997, Location: CAMPINAS, BRAZIL, Sponsors: Int Federat Automat Control, Tech Comm Large Scale Syst, Int Federat Informat Proc, Int Federat Automat Control, Tech Comm Adv Mfg Technol, Int Federat Automat Control, Tech Comm Mfg Modelling Management & Control, Int Federat Automat Control, Tech Comm Components & Instruments, Int Federat Automat Control, Tech Comm Robot