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Resistive forces such as mechanical frictions and aerodynamic drags are inevitable in high speed train during its operation. This paper investigates the problem of adaptive compensation of such uncertain resistive forces in train systems to achieve high precision speed and position tracking. A control scheme is developed via adaptive backstepping approach to address not only the traction and braking...
In order to overcome the drawback of the normal unscented Kalman filter (UKF) a novel adaptive UKF (AUKF) is developed and applied to nonlinear joint estimation of both time-varying states and modelling errors for helicopter. The filter is composed of two parallel master-slave UKFs, while the master UKF estimates the states/parameters and the slave one estimates the diagonal elements of the noise...
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