System-level self-diagnosis of arising faults and their elimination in reconfigurable systems

The paper offers a system-level method for self-diagnosis (SD) and elimination of arising faults of the components (modules and communication lines) of reconfigurable systems. The method assumes stable multiple faults of a limited number of components where a single fault may arise during the SD process. In order to detect such faults and to provide the correct diagnosis, the SD process is started two or more times, and the last two diagnoses are compared. The moving redundancy technique is used to eliminate the failed components by on-line reconfiguration. A case study of the SD method implementation for a single fault during the SD process and the reconfiguring of a 2-fault-tolerant system is also included.