Elevator – industrial lift truck – or stationary lift for vehicle – With call registration means – Shared by plural load supports
Patent
1995-01-30
1997-10-21
Nappi, Robert
Elevator, industrial lift truck, or stationary lift for vehicle
With call registration means
Shared by plural load supports
187392, 187387, B66B 118
Patent
active
056799322
ABSTRACT:
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.
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LG Industrial Systems Co. Ltd.
Nappi Robert
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