Elevator – industrial lift truck – or stationary lift for vehicle – With monitoring – signalling – and indicating means – Monitors operational parameter
Patent
1996-08-27
1998-07-07
Nappi, Robert
Elevator, industrial lift truck, or stationary lift for vehicle
With monitoring, signalling, and indicating means
Monitors operational parameter
187291, B66B 134, B66B 300, B66B 140
Patent
active
057772800
ABSTRACT:
A load compensation calibration method for an elevator controller includes the steps of moving an elevator car in a first direction, the first direction a first creep speed region; determining the time to travel a given distance; during the first run; determining a first actual creep speed of the first creep speed region; determining a difference between a dictated creep speed and the first actual creep speed; determining a first compensation frequency for minimizing the difference between the dictated creep speed and the first actual creep second; moving the elevator car in a second direction, the speed direction including a second creep speed region; determining the time to travel a given distance during the second run; determining a second actual creep speed of the second creep speed region; determining a difference between a dictated creep speed and the second actual creep speed; determining a second compensation frequency for minimizing the difference between the dictated creep speed and the second actual creep speed; and creating a load compensation characteristic in response to the time to travel a given distance and the first and second compensation frequencies.
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Copy of U.S. patent application Ser. No. 08/610,101 entitled "Elevator Leveling Adjustment" filed Feb. 29, 1996, Peter Herkel, et al.
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Braasch Burkhard
Dehmlow Marvin
Dieluweit Jurgen
Ernecke Christoph M.
Gietzold Thomas
Nappi Robert
Otis Elevator Company
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