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This work mainly deals with the sliding mode control for the sloshing liquid in a container using Collocated and Non-Collocated lineariztion techniques. The comparative study of these techniques is done for the first time for a slosh-container system, which represents a class of underactuated systems. A linear sliding surface based sliding mode control is derived for both the approaches which rejects...
This paper presents a new approach for integral sliding mode controller for a class of unmatched uncertain systems. A nominal control is computed using sliding mode techniques which works for unmatched uncertain system. Integral sliding mode is further added to ensure robust reaching phase. A control system for slosh-free motion of a partially filled liquid container is sought. This is representative...
Liquid sloshing has been an important problem in several areas. Consideration of slosh dynamic along with the vehicle dynamics results in coupled nonlinear underactuated system. Inherent characteristics of nonlinear system poses difficulties in state estimation and hence implementing the state feedback control strategies. This paper presents the development of sliding mode observer (SMO) using high...
This paper presents a new approach to design a sliding mode controller for a class of mismatched uncertain systems. A method is proposed for the design of a switching surface in the presence of mismatched uncertainties. A design method for a sliding mode observer based on high gain is also proposed in this paper to reconstruct the states of the system for the implementation of sliding mode control...
Liquid sloshing has been an important problem in several areas including launch vehicle. This paper presents a novel way of designing the sliding surface to deal with unmatched uncertainties in system matrix and input matrix. And yet tailor desired dynamic performance for a slosh problem. A simple pendulum model has been considered to represent the lateral slosh. Partial feedback linearization has...
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