Passivity-Based Robust Output Voltage Tracking Control of DC/DC Boost Converter for Wind Power Systems

Seok-Kyoon Kim
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Seok-Kyoon Kim: Department of Creative Convergence Engineering, Hanbat National University, Daejeon 341-58, Korea

Energies, 2018, vol. 11, issue 6, 1-13

Abstract: This paper exhibits a passivity-based robust output voltage controller for DC/DC boost converters for wind power system applications. The proposed technique has two features. The first one is to introduce a nonlinear disturbance observer for estimating the disturbances arising from the load and parameter variations. The second one is to derive a proportional-type passivity-based output voltage tracking controller incorporating the disturbance observer output, which simplifies the control algorithm by removing the use of tracking error integrators and an anti-windup algorithm. These two features constitute the useful closed-loop properties called the performance recovery and offset-free properties. Numerical simulation results confirm the efficacy of the proposed scheme, where a wind power system including the proposed controller is emulated using the PowerSIM software.

Keywords: power conversion; model–plant mismatches; disturbance observer; performance recovery; offset-free (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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