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A robust nonlinear disturbance observer based control (NDOBC) approach is proposed for a permanent magnet synchronous motor (PMSM) drive system which is supposed to experience mismatched parameter perturbations as well as unknown load torque disturbances. The proposed control method is expected to obtain fine robustness against parameter uncertainties and external disturbance attenuation performance...
This paper investigates the problem of position tracking of Permanent Magnet Synchronous Motor (PMSM). On the basis of analyzing the mathematical model of the PMSM, the exact linearization and decoupling of the motor model can be achieved by using the feedback-linearization technique. First, the PMSM position tracking system is transformed to two linear control subsystems by using the feedback linearization...
Internet traffic classification is of prime importance to the areas of network management and security monitoring, network planning, and QoS provision. But the Traditional Classifications depend on certain header fields (take port numbers for instance). These port-based and payload-based approaches will be out of action when a lot of applications like P2P use dynamic port numbers. Masquerading techniques...
Based on the finite-time control technique, the position control problem of permanent magnet synchronous motor(PMSM) servo system is studied. Using backing-stepping method, a control scheme based on feedback linearization and finite-time control technique is proposed for position loop. Rigorous mathematical analysis is given for the close loop system performance in the presence of disturbances. The...
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