In this study, we display preliminary results for harnessing fuzziness of yet-another fuzzy rule-bases. They are based on the pragmatic rule-design (PRD), which has been proposed by the authors. The PRD is novel since a pragmatic rule is not an “IF-THEN” rule nor an artificial neural network, and does not represent a stimulus-response relation. A pragmatic rule is a vector of relative characteristics of effective responses in itself. In the original PRD, the fuzziness in discretizing a system state is too surplus. Restricting such fuzziness may improve the performance of the rule-base, therefore a modification of the original PRD is proposed. Some PRD variants based on that modification are developed and evaluated through their applications to elevator operation problems.
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