Abstract

This paper presents a nonlinear adaptive control scheme for the grinding force control of unround grinding processes. First, a nonlinear control model is introduced. Based on this, a nonlinear controller is derived by using a model following scheme. To increase the robustness of the control system against parameter uncertainty, a nonlinear adaptive observer which estimates the model parameters is used. The complete concept can be considered as a nonlinear adaptive control scheme, which guarantees the stability of the whole closed-loop system. The simulation results show that the controller provides the desired performance.

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