. (2013) 'Open-and short-circuit switch fault diagnosis for nonisolated dcdc converters using eld programmable gate array.', IEEE transactions on industrial electronics., 60 (9). pp. 4136-4146. Further information on publisher's website: Additional information: Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details.

No abstract

This paper proposes fault tolerant operation of single switch DC-DC converter under switch failure. In order to improve the reliability in critical applications, fault tolerant operation is mandatory to guarantee service continuity. Fault tolerant operation of a power system can be performed in three steps: fault diagnosis (detection and identification) and remedial actions.In the case of a switch failure, suitable fault detection is essential to avoid its propagation to the whole system. This study is based on a fast and efficient open and short circuit switch fault diagnosis. Both types of switch failure can be detected, identified and handled in real time by implementing fault diagnosis and reconfiguration strategies on a F P GA target. No additional sensor is required to perform the fault detection. A redundant switch and a bidirectional switch are needed for converter reconfiguration in post-fault operation. The results of Hardware-In-the-Loop (HIL) and experimental tests, which all confirm the good performances of the proposed approach, are presented and discussed.