Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11262
Title: Boundary control with ripple-derived switching surface for DC-AC inverters
Authors: Chen, S
Lai, YM 
Tan, SC
Tse, CK 
Issue Date: 2009
Source: IEEE transactions on power electronics, 2009, v. 24, no. 12, 5200424, p. 2873-2885
Abstract: Boundary control (BC) has the advantages of fast dynamical response and accurate steady-state regulation when applied to the control of power converter systems. However, it has the drawback of wide variation in switching frequency, and usually requires an oversized filter to remove unwanted signals. This situation becomes more severe when BC is applied to dcac inverters that have a time-varying reference. In this paper, we provide a thorough study into this problem, and propose an enhanced BC method to restrict the variation of the switching frequency of dcac inverters. Based on the ripple information of the state variables, a BC method with ripple-derived switching surface is developed and implemented in the inverter. Experimental results show that the proposed control method is capable of limiting the switching frequency variation while maintaining the characteristics of fast dynamical response and accurate steady-state regulation.
Keywords: Boundary control (BC)
Inverters
Nonlinear controller
Power converters
Ripple
Publisher: Institute of Electrical and Electronics Engineers
Journal: IEEE transactions on power electronics 
ISSN: 0885-8993
EISSN: 1941-0107
DOI: 10.1109/TPEL.2009.2023551
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