Group management control method for elevator system employing traffic flow estimation by fuzzy logic using variable value preferences and decisional priorities

摘要

An improved group management control method for an elevator capable of efficiently performing a group management control of an elevator based upon the building condition by deciding a corresponding car to be allocated in accordance with a predetermined hall call based upon a traffic flow and the fuzzy theory which are differ from the characteristics of each building, which includes the steps of a traffic flow collecting step for collecting information concerning a current traffic flow occurred at each hall call and car; a traffic flow study step for studying information collected at the traffic flow collecting step; a traffic flow anticipating step for anticipating a traffic flow after a predetermined time based upon the information studied at the traffic flow study step; a specific mode judgement step for judging a specific mode corresponding to the traffic flow anticipated at the traffic anticipating step; an allocation control strategy establishment step for establishing control strategy for allocating a proper car based upon a specific mode judged at the specific mode judgement step and the information and role defined by building manager; a comprehensive evaluation function operation step for operating a comprehensive evaluation function for each car when a hall call occurs; an allocation possible car selection step for selecting a predetermined car possible for a hall call based upon the comprehensive evaluation function operated at the comprehensive evaluation function operation step; a control item value operation step for operating an input value per control item for an allocated possible car selected at the allocation possible car selection step; and an allocated car decision step for deciding a car based upon a predetermined estimated rule using an input value per control item operated at the control item value operation step.