Method for vibration damping at an elevator car

Details Method for vibration damping at an elevator car Method for vibration damping at an elevator car

2005-02-02

2008-09-16

Salata, Jonathan (Department: 2837)

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes control for power source of drive-means

C187S393000

Reexamination Certificate

active

07424934

ABSTRACT:
A method for designing a regulator uses a predetermined overall model of an elevator car with known structure. The model parameters are known to greater or lesser extent or estimations are present, wherein the parameters for the elevator car used are to be identified. In that case the frequency responses of the model are compared with the measured frequency responses. With the help of an algorithm for optimization of functions with numerous variables the estimated model parameters are changed to achieve the greatest possible agreement. The model with the identified parameters forms the basis for design of an optimum regulator for active vibration damping at the elevator car.

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Marra, M.A. et al., “Vibration Control for Machining Using H Techniques”, Mar. 26, 1995, pp. 426-432, Raleigh, NC Proceedings of Southeastcon IEEE.

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