NDLI: A hybrid fuzzy-repetitive control scheme for single-phase CVCF inverters

Content Provider	IEEE Xplore Digital Library
Author	Li Jian Kang Yong Chen Jian
Copyright Year	2002
Description	Author affiliation: Dept. of Electr. Eng., Huazhong Univ. of Sci. & Technol., Wuhan, China (Li Jian; Kang Yong; Chen Jian)
Abstract	In this paper a hybrid fuzzy-repetitive control scheme for single-phase CVCF inverters is presented. The performance of CVCF inverters is evaluated in terms of output voltage waveform distortion with linear or nonlinear loads and transient response due to sudden changes in the load. The fuzzy PD controller is used to improve transient performance whenever the system exhibits an oscillatory or overshoot behavior. It preserves the simple linear structure of the conventional PD controller yet enhances its self-tuning control capability. However, fuzzy PD controller cannot provide good small-signal response. So repetitive control is applied to generate high-quality sinusoidal output voltage in steady state. Repetitive control can be regarded as a simple learning control because the control input is calculated using the information of the error signal in the preceding periods. The repetitive controller is synthesizing to minimize low-order harmonic distortion. Thus, the fuzzy PD controller and repetitive controller can be combined to take advantage of their positive attributes. The control scheme is implemented using a TI TMS320F240 DSP in a 400 Hz 6 kW prototype. Simulation and experimental results prove that the proposed control scheme can achieve not only low THD during steady-state operation but also fast transient response subject to load step change.
Sponsorship	IEEE ice SICE Univ. Sevilla
Starting Page	105
Ending Page	110
File Size	648238
Page Count	6
File Format	PDF
ISBN	0780374746
DOI	10.1109/IECON.2002.1187490
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-11-05
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inverters PD control Fuzzy control Transient response Steady-state Fuzzy systems Control systems Voltage control Error correction Signal synthesis
Content Type	Text
Resource Type	Article

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