Start compensation device for elevators

Details Start compensation device for elevators Start compensation device for elevators

1989-04-20

1991-02-26

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 130

Patent

active

049954784

ABSTRACT:
An elevator starting compensation device for performing starting compensation with addition of a load detection signal and a torque command signal comprising a speed command circuit, an automatic speed regulator amplifier for outputting the torque command signal, and a load detecting element for detecting load of a passenger cage, characterized in that it further includes a static frictional torque compensating element inputting a load detection signal and travel (lifting and lowering) signal and outputting a static frictional torque compensation signal predetermined according to the magnitude of the sensed passenger load, the torque compensation signal being added to the torque command signal so that start-up of actual speed is not delayed with respect to the speed command.

REFERENCES:
patent: 4828075 (1989-05-01), Klingbeil et al.

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