Abstract
Qualitative Reasoning is a set of Artificial Intelligence theories, methods, and techniques that provide an answer to modeling problems in domains in which one can have a clear notion of how a system is functioning without being able to express it as classical mathematical equations, and where is posed the problem of using jointly quantitative and qualitative data, as well as processing a big amount of complex knowledge. SIMAO (‘a System to Interpret Measurements And Observations’) is an attempt to deal with such problems. Although primarily devised for heterogeneous data interpretation in hydroecology, it was thought possible to use SIMAO in a wider context, like biotechnological processes. Starting from specific problems posed by a batch fermentation, the D-xylose conversion into ethanol by the yeast Pichia stipitis, this paper describes how was built and used a SIMAO model aimed at predicting the fermentation issue from initial conditions, i.e. set-points values and substrate concentration.
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Abbreviations
- QS:
-
quantity space
- {pp, p, m, f, ff}:
-
quantity space elements
- TR-m:
-
measurement translation rule
- TR-o:
-
observation translation rule
- TR-q:
-
qualitative transfer rule
- incr, decr, inv:
-
primitive unary operators
- [+], [-], [⋆], [/]:
-
primitive binary operators
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Guerrin, F., Delgenès, J.P. & Moletta, R. Modeling the alcoholic fermentation of xylose by Pichia stipitis using a qualitative reasoning approach. Bioprocess Engineering 10, 115–122 (1994). https://doi.org/10.1007/BF00369466
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DOI: https://doi.org/10.1007/BF00369466