Patent ID: 6401874
Filing Date: 2002-06-11
Classification: B66B,Y10S

Abstract:
In a system of plural elevators arranged in an elevator group and being driven by a drive system allowing coordinated control of each elevator of said elevator group by an elevator control, the individual elevators having multiple decks accessing plural adjacent floors, each elevator including at least an upper deck and a lower deck, a method of controlling the elevator group comprising:a) monitoring passenger flow and elevator status within said elevator group; b) based on the information obtained in said step a), estimating passenger wait time and ride time; c) selecting the best elevator of the elevator group to minimize estimated passenger wait time and ride time, based on the estimated passenger wait time and ride time; d) selecting the best deck of said multiple decks based on the estimated wait time and ride time so as to minimize passenger journey time of the passengers to the passenger selected destination floors; e) transferring said best elevator to the selectable call floor based on said selection in step c); and f) directing the best deck of said multiple decks to answer the call at the selectable call floor based on said selection in said step d).