Apparatus for performing group control on elevators utilizing distributed control, and method of controlling the same
US4989695A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 28, 1989 |
| Grant date | Feb 5, 1991 |
| Priority date | — |
| Expiry date | Mar 28, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B1/18
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An apparatus for performing group control on elevators, wherein a plurality of elevators are operated for a plurality of floors, a predetermined evaluation calculation is performed for each of the plurality of elevators upon generation of a hall call, an optimum elevator car is selected on the basis of an evaluation calculation result, and the selected elevator car is assigned to the hall call, thereby responding to the hall call, the apparatus, comprises a unit controller, arranged in units of cars of the elevators, for controlling unit control of each car and inputting/outputting information associated with its own car, a plurality of group controllers for performing the evaluation calculation for determining hall-call assignment in units of cars on the basis of the information associated with its own car and for performing group management of each elevator car on the basis of an evaluation calculation result, and a communicating circuit for causing the plurality of group controllers to communicate with each other through a first data field and causes the unit control means and the group controllers to communicate with each other through a second data field independent of the fir…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.