Elevator control apparatus

Details Elevator control apparatus Elevator control apparatus

1975-10-08

1977-06-21

Schaefer, Robert K.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

B66B 118

Patent

active

040305724

ABSTRACT:
In an elevator system comprising a plurality of elevator cars serving a plurality of floors in response to hall calls and cage calls, an elevator control apparatus is provided which comprises a device for forecasting cage calls as a new type of traffic information expected to be registered as hall waiting passengers take a given car. The device includes means arranged on each hall for detecting the number of prospective passengers waiting on the particular hall and means for setting the ratios of the hall waiting passengers destined for respective floors. The detected number of hall waiting passengers is multiplied by the ratios of destination floors (hereinafter referred to as "destination ratios") to figure out floors to which the hall waiting passengers joining the car are most likely to proceed, thus forecasting a corresponding cage call or calls. This cage call forecasting device is used in an elevator control system assigning hall calls, so that a cage call expected to be registered by the serving of a hall call is forecast at an early time. The waiting time required until each car reaches each floor, for example, is thus forecast with high accuracy taking into consideration cage calls expected to be registered in the future.

REFERENCES:
patent: 3967702 (1976-07-01), Iwasaka et al.
patent: 3973649 (1976-08-01), Iwasaka et al.

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