Elevator car assignment using a plurality of calculations

Details Elevator car assignment using a plurality of calculations Elevator car assignment using a plurality of calculations

1991-06-26

1994-03-29

Stephan, Steven L.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187121, 187124, B66B 118, B66B 114

Patent

active

052986969

ABSTRACT:
An elevator group management system for managing a plurality of elevators is disclosed wherein the system comprises a plurality of control devices for executing overall assignment processes of the elevators in response to hall calls which take place on particular floors and a plurality of sub tasks, distributedly disposed in the control devices. for calculating times for which the elevators respond to the hall calls. When the control devices receive hall calls at the same time or nearly at the same time, they in parallel activate sub tasks distributedly disposed in the control devices and determine most suitable elevators in response to the hall calls.

REFERENCES:
patent: 4298100 (1981-11-01), Suss et al.
patent: 4363381 (1982-12-01), Bittar
patent: 4709788 (1987-12-01), Harada
patent: 4760896 (1988-08-01), Yamaguchi
patent: 4802557 (1989-02-01), Umeda et al.
patent: 4878562 (1989-11-01), Schroder
patent: 4991694 (1991-02-01), Friedli

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