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ON ROBUST NONLINEAR CONTROL OF AGRICULTURAL VEHICLES WITHOUT VELOCITY SIGNALS

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Automation Technology for Off-Road Equipment,Proceedings of the 7-8 October 2004 Conference (Kyoto, Japan)Publication Date 7 October 2004  701P1004.(doi:10.13031/2013.17849)
Authors:   Satoru Sakai, Koichi Osuka, Mikio Umeda
Keywords:   Agricultural vehicles, Passivity, Initial cost

This paper is concerned with discontinuous output feedback stabilization of agricultural vehicles in port-controlled Hamiltonian forms. First, in order to obtain a dynamic feedback, an integrator is added to the systems via generalized canonical transformations. Second, we will clarify equivalence between asymptotic stability of a state feedback system and that of the corresponding output feedback system. An output feedback stabilization method for this system will be derived based on this equivalence. Furthermore, some numerical examples show the effectiveness of our technique.

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