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Testing expert systems in process control

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4 Author(s)
Finke, K. ; Henkel KGaA, Dusseldorf, Germany ; Jarke, M. ; Soltysiak, R. ; Szczurko, P.

Special features of process control expert systems (PCX) make it both necessary and feasible to test them in a comprehensive manner. FAITH, an automated regression testing environment for PCX, integrates five specially adapted testing techniques, exploiting external specifications gained from the process control environment. FAITH also offers a set of metrics which can be used to predict testability during the early phases of PCX development. FAITH has been developed for a major German chemicals company where it is routinely used for certifying PCX, and for guiding design-for-testability

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Knowledge and Data Engineering, IEEE Transactions on  (Volume:8 ,  Issue: 3 )