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In this paper, issues related to the design of a fuzzy Luenberger observer for a drive system with a flexible joint is presented. The proposed estimator ensures shifting observer closed-loop poles in accordance with the present condition of the plant. The dynamic states are recognized on the basis of the error between the plant and estimator outputs (classical approach), as well as additional signal...
In the paper issues related to the application of the moving horizon estimation (MHE) method to state variable reconstruction of the drive system with a flexible connection are described. In the introduction the motivation of the work is presented briefly. Then the mathematical model of the drive is discussed. The MHE algorithm is described in detail. Next the considered estimator is tested under...
In the paper a model reference adaptive control speed control (MRAC) using on-line trained fuzzy neural network (FNN) was applied to the sensorless induction motor drive system. In this control method fuzzy-logic controller is equipped with additional option for online tuning its chosen parameters. In the paper PI-type fuzzy logic controller is used as the speed controller, in the field oriented control...
The general theory of forced dynamic control is first given. Its application to electric drives with significant vibration modes in the mechanical load is then considered. Simulation and experimental results are compared for a two-mass system comprising a DC motor driving a balanced mass via a thin shaft.
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