Page 95 - Adaptive Identification and Control of Uncertain Systems with Nonsmooth Dynamics
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RISE Based Asymptotic PPC of Servo Systems With Continuously Differentiable Friction Model  87





















                            Figure 5.1 Control performance of four controllers for reference signal x d  =
                            0.4sin(0.4πt).






























                            Figure 5.2 Comparative tracking errors for x = 0.4sin(0.4πt).
                                                             d


                            DCRAC are comparable to some extent, the transient response of AN-
                            RISE is better than that of DCRAC. This is reasonable because ANRISE
                            includes a PPF to guarantee the prescribed error bound. Nevertheless,
                            the transient and steady-state error of the proposed ANRISE is smaller
                            than ANDSC due to the use of a robust term to enhance the robustness.
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