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Title: A double-integral type of indirect sliding mode controllers for power converters
Authors: Tan, SC
Lai, YM 
Tse, CK 
Wu, CK
Keywords: Double-integral sliding mode
Non-linear controller
Power converters
Pulsewidth modulation
Sliding mode control
Issue Date: 2007
Source: PESC Record - IEEE Annual Power Electronics Specialists Conference, 2007, 4341985, p. 177-183 How to cite?
Abstract: The steady-state regulation error in power converters that use the conventional hysteresis-modulation-based sliding mode controller can be suppressed through the incorporation of an additional integral term of the state variables into the controller. However, it is found that with the indirect type of sliding mode controller (derived based on the equivalent control approach), the same approach of integral sliding mode control is ineffective in alleviating the converter's steady-state error. Moreover, the error increases as the converter's switching frequency decreases. This paper presents an in-depth study of the phenomenon and offers a solution to the problem. Specifically, it is proposed that an additional double-integral term of the controlled variables to be adopted for constructing the sliding surface of indirect sliding mode controllers. Experimental results are provided for verification.
Description: PESC 07 - IEEE 38th Annual Power Electronics Specialists Conference, Orlando, FL, 17-21 June 2007
ISBN: 1424406552
ISSN: 0275-9306
DOI: 10.1109/PESC.2007.4341985
Appears in Collections:Conference Paper

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