Method and apparatus for reducing resonance in a dual inertia sy

Details Method and apparatus for reducing resonance in a dual inertia sy Method and apparatus for reducing resonance in a dual inertia sy

1998-09-21

2000-11-07

Salata, Jonathan

Electricity: motive power systems

Positional servo systems

Unwanted harmonic or voltage component elimination...

318609, G05B 1101

Patent

active

061441813

ABSTRACT:
A method and apparatus for minimizing resonant oscillations in a dual inertia system characterized by minimally stable poles and both a resonant frequency and an anti-resonant frequency, the apparatus including a notch filter which is tuned so that notch filter zeros essentially cancel the minimally stable poles and so that at least one notch pole is located at the intersection of a real axis and an system anti-resonant zero radius on a root-loci plot, thereby rendering an exceptionally stable system, the method for tuning the notch filter as described.

REFERENCES:
patent: 5032776 (1991-07-01), Garagnon
patent: 5220262 (1993-06-01), Kneifel
patent: 5325247 (1994-06-01), Ehrlich et al.
patent: 5369345 (1994-11-01), Phan et al.
patent: 5400269 (1995-03-01), White et al.
patent: 5642461 (1997-06-01), Lewis
patent: 5854877 (1998-12-01), Lewis

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