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A method to design a high performance robust tracking controller to track step references for uncertain continuous MIMO plant is presented. A non-linear sliding surface is proposed by which the damping ratio of closed loop system is increased as output approaches setpoint. Stability with the proposed non-linear surface is proved. A new control law is designed to guarantee the existence of sliding...
A nonlinear sliding surface is proposed to improve the transient response for general discrete multiple-input-multiple-output linear systems with matched perturbations. The tracking case is analyzed, and it is shown that the scheme is able to achieve low overshoot and low settling time simultaneously; this is not possible with a linear sliding surface. The control law is based on the discrete-time...
This paper describes a control scheme for a MIMO system using backstepping method. Backstepping method is preferred in case of uncertainties in the process and constraints acting on the control input. In the present work, backstepping method for a PMTD process is investigated in order to maintain the concentration and volume of the dye bath thereby reduce the tailing effect. The proposed control strategy...
Active vibration control is one of the interesting problems for control engineers. The problem is tackled by making a smart, adaptive and self-controlling structure that requires robust controller. The newly invented second order sliding mode controller (SSMC) not only retains the robustness properties of the classical sliding mode controller (SMC) but also eliminates the drawback of the SMC that...
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