Arrangement for the one-dimensional or multi-dimensional determi

Details Arrangement for the one-dimensional or multi-dimensional determi Arrangement for the one-dimensional or multi-dimensional determi

1997-08-05

2000-02-22

Regan, Maura

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Distributive type parameters

342124, G01R 2726

Patent

active

060284323

ABSTRACT:
The stopping of a load suspended from a crane requires a swing control or, respectively, a swing damping. Upon employment of microwave measuring units, spacings between a carrying cable suspension and a load suspension point are determined on the basis of transit time measurements. The position of the load suspension point can be determined from the transit time measurements quickly and with high precision. Swinging motions are avoided by controlled opposing control of the carrying cable suspension.

REFERENCES:
patent: 5070537 (1991-12-01), Ohira
patent: 5557277 (1996-09-01), Tricoles
patent: 5600253 (1997-02-01), Cohen
patent: 5841288 (1998-11-01), Meaney

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