If there exists a gradient pointing outwards a save-operation region, then there exists a possible path for the plant to cross out of the save-operation region. A method is introduced that allows the identification of such surface pieces in the phase space of the state variable for the analysed equipment. The idea is based on splitting the phase space into subspaces separated by the zero-dynamic component surface. The computation requires only root solving of the right-hand side of the dynamic equations, one at the time.
HAZOP - an automaton-inspired approach
MANENTI, FLAVIO
2012-01-01
Abstract
If there exists a gradient pointing outwards a save-operation region, then there exists a possible path for the plant to cross out of the save-operation region. A method is introduced that allows the identification of such surface pieces in the phase space of the state variable for the analysed equipment. The idea is based on splitting the phase space into subspaces separated by the zero-dynamic component surface. The computation requires only root solving of the right-hand side of the dynamic equations, one at the time.File in questo prodotto:
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