Deadbeat controlled PWM inverter with parameter estimation usingonly voltage sensor |
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Authors: | Kawamura A Haneyoshi T Hoft RG |
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Affiliation: | Dept. of Electr. & Comput. Eng., Missouri Univ., Columbia, MO; |
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Abstract: | A technique based on deadbeat control theory is proposed to obtain a nearly sinusoidal PWM (pulsewidth-modulated) inverter output voltage using only a voltage sensor. The closed loop sampled-data feedback scheme inherently results in very fast response to load disturbance and nonlinear load, producing low total harmonic distortion. Parameter estimation of the plant provides a type of self-tuning of the proposed controller. A theoretical analysis, simulation, and experimental results are presented for a single-phase PWM inverter controlled by an Intel 8086 microprocessor |
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