Elevator control system and method

Details Elevator control system and method Elevator control system and method

1977-04-26

1980-03-18

Rubinson, Gene Z.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

B66B 116

Patent

active

041934784

ABSTRACT:
A method and apparatus for controlling the movement of one or more elevators in a hoistway. The apparatus includes a power control sub-system containing moving machinery for imparting motion to the elevator car and to the elevator car doors, together with a plurality of control contacts operating to actuate the moving machinery to urge the elevator car and the doors in appropriate directions. A number of selectable control contacts or switches are provided in the elevator car and at elevator floor landings. A supervisory control sub-system containing control programs is coupled to the power control sub-system for the purpose of reading input data from the moving machinery, control contacts, and selectable switches, and to provide instructions to the power control sub-system in accordance with the supervisory control programs, and the status of the selectable switches and the control contacts. The supervisory control sub-system includes a data memory for storing the input data, a program memory for providing ones of a plurality of predetermined program instructions, and a data processor serially storing data, addressing the program memory, reading the instructions, fetching stored data, and providing output control signals to the power control sub-system. The elevator car and door motion is controlled in accordance with the output control signals.

REFERENCES:
patent: 3747710 (1973-07-01), Winkler
patent: 3774729 (1973-11-01), Winkler
patent: 3791490 (1974-02-01), Smith
patent: 3851734 (1974-12-01), Sackin
patent: 3857077 (1974-12-01), Kasmer
patent: 4037688 (1977-07-01), Winkler
patent: 4069898 (1978-01-01), Tosato et al.

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