【摘 要】
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Dear editor,rnOutput tracking control is currently receiving increased at-tention because of its applications in various fields[1-3].Controller design for nonlinear systems with unstable lin-earization[4]is essential because such systems have several appl
【机 构】
：
School of Mathematics and Statistics Science,Ludong University,Yantai 264025,China
论文部分内容阅读
Dear editor,rnOutput tracking control is currently receiving increased at-tention because of its applications in various fields[1-3].Controller design for nonlinear systems with unstable lin-earization[4]is essential because such systems have several applications,including a class of underactuated mechanical systems.For the output tracking control for systems with unstable linearization,the global practical output tracking controller design was developed using the backstepping de-sign method[5]and the asymptotic tracking control prob-lem for a power-integrator planar system was addressed[6].
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