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We develop for systems with backlash a non linear observer, based on the estimation of the disturbed torque transmitted due the dead zone. Then we design an adaptive controller using this non linear observer in order to compensate the disturbed torque on line. Simulation and experimantal results applied on an elecrical actuator are given to support the theoretical demonstrations.
In this paper, the speed regulation problem for permanent magnet synchronous motor (PMSM) systems under vector control framework is studied. A modified composite control strategy combining model reference adaptive control (MRAC) method and extended state observer (ESO) technology, called MRAC+ESO method, is proposed. Controller is designed for the speed loop of the permanent magnet synchronous motor...
In this paper, an observer-based adaptive control strategy is presented for permanent magnet synchronous machines (PMSMs). The adaptive control scheme achieves accurate tracking using the machine's inverse dynamics and an observer to approximate disturbance and speed used as feedback. The adaptive controller is validated through a set of simulations. Results show high speed tracking and estimation...
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