Sliding mode control of three-phase AC/DC converters using exponential rate reaching law

doi:10.23919/JSEE.2022.000021

Journal of Systems Engineering and Electronics ›› 2022, Vol. 33 ›› Issue (1): 210-221.doi: 10.23919/JSEE.2022.000021

收稿日期:2020-10-26 出版日期:2022-01-18 发布日期:2022-02-22

Sliding mode control of three-phase AC/DC converters using exponential rate reaching law

Narin JEERANANTASIN(), Suksun NUNGAM*()

¹ Department of Electrical and Computer Engineering, Faculty of Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok 10800, Thailand

Received:2020-10-26 Online:2022-01-18 Published:2022-02-22
Contact: Suksun NUNGAM E-mail:inc.techcom@gmail.com;suksunnungam1@gmail.com
About author:|JEERANANTASIN Narin was born in 1983. He has received his B.S. and M.S. degrees in electrical engineering from King Mongkut’s University of Technology Thonburi, Bangkok, Thailand, in 2004 and 2007, respectively. He is currently pursuing his Ph.D. degree in electrical engineering at King Mongkut’s University of North Bangkok. His research interests include nonlinear control and power converters. E-mail: inc.techcom@gmail.com||NUNGAM Suksun was born in 1960. He received his Ph.D. degree in electrical engineering from National University of Singapore, in 1993. His research interests include nonlinear control and power converters. E-mail: suksunnungam1@gmail.com

摘要/Abstract

Abstract:

Sliding mode control (SMC) becomes a common tool in designing robust nonlinear control systems, due to its inherent characteristics such as insensitivity to system uncertainties and fast dynamic response. Two modes are involved in the SMC operation, namely reaching mode and sliding mode. In the reaching mode, the system state is forced to reach the sliding surface in a finite time. The major drawback of the SMC approach is the occurrence of chattering in the sliding mode, which is undesirable in most applications. Generally, the trade-off between chattering reduction and fast reaching time must be considered in the conventional SMC design. This paper proposes SMC design with a novel reaching law called the exponential rate reaching law (ERRL) to reduce chattering, and the control structure of the converter is designed based on the multi-input SMC that is applied to a three-phase AC/DC power converter. The simulation and experimental results show the effectiveness of the proposed technique.

Key words: exponential rate reaching law (ERRL), multi-input sliding mode control (SMC), chattering reduction, three-phase AC-to-DC converter

. [J]. Journal of Systems Engineering and Electronics, 2022, 33(1): 210-221.

Narin JEERANANTASIN, Suksun NUNGAM. Sliding mode control of three-phase AC/DC converters using exponential rate reaching law[J]. Journal of Systems Engineering and Electronics, 2022, 33(1): 210-221.

图/表 22

参考文献 29

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Symbol	Description	Value
V_sa,sb,sc/V_rms	Phase voltage	90
H_z/Hz	Frequency	50
f_s/kHz	Switching frequency	10
R,R_L/Ω	Phase and load resistor	0.8, 300
C/μ $ {\rm { F} } $	DC bus capacitor	820
L/(mH/Phase)	Phase reactor	4.9

Control	Current THD/%
Constant rate RL	19.62
Constant plus proportional rate RL	18.73
Power rate RL	16.82
ERRL	15.46

Sliding mode control of three-phase AC/DC converters using exponential rate reaching law

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