Experiment comparison of repetitive control and resonant control

Dong, Dezun; Xu, Dehong; Xu, Mingxia

doi:10.1109/ipemc.2016.7512630

Cited by 1 publication

(3 citation statements)

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“…For controller implementation objectives, the Equations (6) and (7) show a discrete-time model for the plant that is obtained from Equations (4) and (5) based on the Z Transform and the zero-order hold method, with T s as the constant sampling time of the discrete system.…”

Section: System Model Descriptionmentioning

confidence: 99%

“…Therefore, the incorporation of a sinusoidal signal representation in the controller is needed. This process is reached using a resonator [7] and is defined in Equation 10as a discrete-time domain transfer function. The desired resonator frequency is ω l , g l is a positive gain that determines the resonator response time, ϕ l is the phase shift of the resonant element at frequency ω l , and T s is the sampling time.…”

Section: Error Weighting Functionmentioning

confidence: 99%

“…The resonant control, which is based on internal model principle (IMP), uses finite harmonic components. In comparison with the repetitive control, which demonstrates better performance in tracking, the resonant control technique achieves a better transient response and less order resulting compensator [7]. For that reason, the resonant control offers a suited option to design a robust controller in CVCF inverter applications.…”

Section: Introductionmentioning

confidence: 99%

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Robust H∞ Design for Resonant Control in a CVCF Inverter Application over Load Uncertainties

2020

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CVCF (constant voltage, constant frequency) inverters are electronic devices used to supply AC loads from DC storage elements such as batteries or photovoltaic cells. These devices are used to feed different kinds of loads; this uncertainty requires that the controller fulfills robust stability conditions while keeping required performance. To address this, a robust H ∞ design is proposed based on resonant control to track a pure sinusoidal voltage signal and to reject the most common harmonic signals in a wide range of loads. The design is based on the definition of performance bounds in error signal and weighting functions for covering most uncertainty ranges in loads. Experimentally, the H ∞ controller achieves high-quality output voltage signal with a total harmonic distortion less than 2%.

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Section: System Model Descriptionmentioning

confidence: 99%

Section: Error Weighting Functionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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