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A novel control scheme for three-phase PWM rectifier is proposed in the paper which improves variable-frequency hysteresis-current control and space vector control due to the fact that there are common shortcomings in the traditional hysteresis controlling method. Compared with traditional current hysteresis control and space-vector control methods, the improving variable-frequency hysteresis and...
Standard transfer function based design is a kind of simple and practical approach for establishment of the controllers in industrial applications. Based on Binomial Theorem and Hui Yang Triangle, a kind of general multi-capacity inertia(MCI) standard transfer function with the characteristics of non-overshoot and no limit for the system order is proposed. The type of the MCI standard transfer function...
Synchronous PI controller is usually used to track current in three-phase PWM rectifier with zero steady-state error which is difficult to achieve in the single-phase system. A novel proportional-resonant (PR) control scheme for single-phase PWM rectifier is proposed in the paper. Compared with traditional PI control and current hystereis control (CHC) methods, the PR control structure is simple and...
A method for the identification of rate-dependent hysteresis inherent in piezoelectric actuators is proposed. A hysteretic operator is proposed to specify the change tendency of hysteresis. Then, an expanded input space is constructed to transform the multi-valued mapping of hysteresis into a one-to-one mapping. Based on this expanded input space, a non-linear auto-regressive moving average model...
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