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Sensor Fault Detection and System Reconfiguration for DC-DC Boost Converter

School of Automation Engineering, Northeast Electric Power University, Jilin 132012, China
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Sensors 2018, 18(5), 1375; https://doi.org/10.3390/s18051375
Received: 27 March 2018 / Revised: 20 April 2018 / Accepted: 24 April 2018 / Published: 28 April 2018
(This article belongs to the Special Issue Sensors for Fault Detection)
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Abstract

This paper presents a effective sensor fault detection and system reconfiguration approach for DC-DC Boost converter. We consider to design a Luenberger observer to solve the problem of the sensor fault detection of the DC-DC Boost converter. We establish mathematical model according to the state of the switch . Luenberger observer is designed to produce residual errors and analyse faults. We detect three types of sensor faults online and compare residuals with thresholds. The system is able to maintain stability by taking system reconfiguration approach. The effectiveness of this approach is demonstrated by simulations. View Full-Text
Keywords: sensor fault; boost converter; Luenberger observer; fault detection; system reconfiguration sensor fault; boost converter; Luenberger observer; fault detection; system reconfiguration
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Li, J.; Zhang, Z.; Li, B. Sensor Fault Detection and System Reconfiguration for DC-DC Boost Converter. Sensors 2018, 18, 1375.

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