Robust Antiwindup for One-Sided Lipschitz Systems Subject to Input Saturation and Applications.
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| Title: | Robust Antiwindup for One-Sided Lipschitz Systems Subject to Input Saturation and Applications. |
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| Authors: | Hussain, Muntazir, Rehan, Muhammad, Ki Ahn, Choon, Tufail, Muhammad |
| Source: | IEEE Transactions on Industrial Electronics; Dec2018, Vol. 65 Issue 12, p9706-9716, 11p |
| Subject Terms: | LIPSCHITZ spaces, NONLINEAR systems, LYAPUNOV functions, SYNCHRONOUS capacitors, ELECTRONIC linearization, ACTUATORS, ALGORITHMS |
| Abstract: | This paper presents the robust nonlinear dynamic antiwindup compensator (AWC) design for nonlinear systems with parametric uncertainties and one-sided Lipschitz nonlinearities under actuator saturation. A decoupling architecture for a full-order AWC is proposed for the case of parametric uncertainties. AWC synthesis scheme is derived by employing the quadratic Lyapunov function, the notion of quadratic inner-boundedness, the one-sided Lipschitz condition, sector condition, and ${{\mathcal L}_2}$ gain minimization. An algorithm, based on the convex routines, by employing the cone complementary linearization, recursive computation, and a bilinear term resolving approach is provided for obtaining the AWC parameters. In contrast to the existing nonlinear AWC designs, our results provide a remedy to the input saturation for a widespread class of nonlinear systems and can effectively deal with the parametric uncertainties. The suggested AWC methodology is employed to compensate windup in the buck–boost converter and one-link flexible robot with revolute joint. [ABSTRACT FROM AUTHOR] |
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| Database: | Complementary Index |
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