Abstract
AbstractThe paper deals with the problem of evaluating fault robustness of the software implemented Dynamic Matrix Control (DMC) Model Predictive Control (MPC) algorithms. Numerical and explicit implementations of the DMC algorithms are considered. It is shown that faults affecting the algorithms can provoke undesirable behaviour or even destabilize the process. Dependability was evaluated experimentally using two different software implemented fault injection approaches, the old one (FITS) and a new one (InBochs). FITS was not sufficient in case of the numerical DMC implementation. InBochs is based on the system emulator and delivers the same level of functionality as FITS while having capability to extend fault models.Keywordsdependability evaluationfault injectionprocess controlmodel predictive control
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