In this section, you can access to the latest technical information related to the FUTURE project topic.

Approximation-free-based adaptive integral robust control with prescribed performance for unknown pure feedback system with disturbance

This paper studies the application of prescribed performance control (PPC) method in digital control systems. First of all, the cause of the steady-state oscillation in PPC method is studied, and the influence of prescribed performance function (PPF) is analyzed. Then, an adaptive proportional-like control scheme with integrals is proposed. The adaptive gain is employed to tackle the steady-state oscillation problem, and the integral of transformation error is adopted to reject unknown disturbances and enhance the robustness of the controller. In the proposed control scheme, approximation frameworks are dispensable, and the asymptotic convergence of the tracking error is guaranteed by using integrals. Finally, the effectiveness and superiority of the proposed control strategy are verified through numerical simulations.

» Author: Bin Zhu, Ruisheng Sun, Yujie Wang, Wei Chen

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