Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1990-07-10
1991-10-15
Pellinen, A. D.
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
050566288
ABSTRACT:
An elevator group control with immediate allocation of floor calls includes an apparatus for processing car calls according to a car call algorithm implemented in a process computer in dependence on the traffic volume, the position of the calls, and the immediately allocated floor calls. Floor calls allocated by a floor call algorithm are entered for each elevataor car in a first list of the current one half round trip and/or in a second list of the next one half round trip. Both lists are stored in a memory region common to the algorithms. In the case of low traffic volume, car calls lying ahead of the elevator cars are entered into the first list unconditionally and car calls lying behind are entered into the second list subject to a maximum trip distance. In the case of average traffic volume, car calls lying ahead are entered into the first list in case synonymous allocated calls are already present therein. Otherwise, these calls are entered into the second list as also are the car calls lying behind subject to the maximum trip distance. In the case of high traffic volume, an entry takes place into the first and second lists only in case synonymous allocated calls are entered and the maximum trip distance is not exceeded.
REFERENCES:
patent: 4355705 (1982-10-01), Schroder et al.
patent: 4555000 (1985-11-01), Umeda
patent: 4691808 (1987-09-01), Nowak et al.
Duncanson Jr. W. E.
Inventio AG
Pellinen A. D.
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