Group supervision apparatus and group supervision method for ele

Details Group supervision apparatus and group supervision method for ele Group supervision apparatus and group supervision method for ele

1990-01-26

1991-07-16

DeBoer, Todd E.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187127, B66B 120

Patent

active

050317288

ABSTRACT:
A group supervision method and apparatus for an elevator system wherein information items on elevator traffic states are gathered for selected days. Each day is divided into a number of time zones that contain traffic state information. Information gathered for selected days is compared by comparing respective time zones of the selected days. Days that have traffic states of small mutual differences are grouped together as a handling unit. The traffic state information of each time zone of each day is statistically processed and the days comprising the handling unit are treated as a single unit.

REFERENCES:
patent: 4591985 (1986-05-01), Tsuji
patent: 4669579 (1987-06-01), Ookubo
patent: 4677577 (1987-06-01), Takabe et al.
patent: 4685536 (1987-08-01), Ichioka
patent: 4719996 (1988-01-01), Tsuji

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