Continuous Stabilization Controller for Nonlinear Systems With Two Piecewise Controllers and Its Application to Underactuated Ships.

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Tác giả: Guang-Ren Duan, Yu-Qiang Wu, Zhong-Cai Zhang

Ngôn ngữ: eng

Ký hiệu phân loại:

Thông tin xuất bản: United States : IEEE transactions on cybernetics , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 722733

It is well-known that the stabilizing control of nonholonomic systems is usually divided into two independent steps. This incurs a discontinuous switching control problem when system states start from certain regions. In light of this, we study the continuous and smooth stabilization control issues for nonlinear systems with two piecewise continuous or even smooth stabilization controllers. First, the sufficient conditions for the existence of these controllers are provided. Then, we use the controller extension method to construct some intermediate auxiliary controllers that can link the piecewise controllers given in advance continuously or even smoothly. In addition, by combining model transformation, including the cascade and fully actuated ones, with the extended state observer, we successfully employ the proposed controller extension method to solve the stabilization control of an underactuated surface ship subject to external disturbance.
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