Method and apparatus for controlling a group of elevators using fuzzy rules
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United States of America Patent
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-
Jun 11, 1991
Grant Date -
N/A
app pub date -
Jan 30, 1989
filing date -
Feb 1, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to an elevator group control method of controlling a plurality of elevator cars servicing for a plurality of floors, including the steps of applying fuzzy rule groups to a hall call when such a call occurs, and selecting an optimum elevator car with a fuzzy inference applied, and assigning a call to the car. A plurality of fuzzy rule groups are successively applied according to respective priority orders previously given to the fuzzy rule groups. In such successive application, only when there is at least one car, excluding the car whose assignment aptitude is optimum, which has the difference in the assignment aptitude value for the current rule group, from that of an optimum car, of not greater than a predetermined threshold value, a subsequent rule group is applied.
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