Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1979-12-03
1982-12-14
Truhe, J. V.
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
043633811
ABSTRACT:
An elevator control system employes microprocessor-based group controller which communicates with the cars of the elevator system to determine conditions of the cars and responds to hall calls registered at a plurality of landings in the building serviced by the cars under control of the group controller, to provide assignments of calls to cars based on the summation for each car, with respect to each call, a weighted summation of a plurality of system response factors indicative of conditions of the car irrespective of the call to be assigned, and indicative of conditions of the car relative to the call to be assigned, including factors relating to preferring cars which are running, which require motion to provide service already assigned to the car, which do not have lobby calls, which are not positioned at the lobby, which are not full, even though the car may have a car call at the floor of the hall call under consideration, which do not have excessive car calls in them, and so forth. Exemplary apparatus and logic flow diagrams are disclosed to illustrate the specific manner of assigning calls to cars in accordance with the invention, and to illustrate the environment in which the invention may be practiced.
REFERENCES:
patent: 3443668 (1969-05-01), Hall et al.
patent: 3511344 (1970-05-01), De Lamater
patent: 3561571 (1971-02-01), Gingrich
patent: 3739880 (1973-06-01), Robaszkiewicz
patent: 3742445 (1973-06-01), Lauer
patent: 3743057 (1973-07-01), Hall et al.
patent: 4037688 (1977-07-01), Winkler
patent: 4046227 (1977-09-01), Kirsch et al.
Duncanson Jr. W. E.
Otis Elevator Company
Truhe J. V.
Williams M.P.
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