Method and circuitry for protecting an electromechanical system

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United States of America Patent

PATENT NO 9900691
SERIAL NO

15005323

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Importance

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Abstract

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To limit motion in an electromechanical system, an input signal is filtered using an adaptive filter, such as an infinite impulse response filter, to yield a predicted motion, and the input signal is attenuated by an amount controlled by the predicted motion. The filtering may further yield a predicted temperature, and the amount of attenuating may be further controlled by that temperature. Components of the input signal at selected frequencies may be removed, and a portion of the input signal from which the components have been removed may be mixed with a portion of the input signal from which components have not been removed. The removing of components at selected frequencies may include applying a notch filter, and the two portions may be equalized. phase-adjusting the unfiltered portion to account for phase delay introduced by the notch filter. The notch filter may operate at a resonant frequency of the system.

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Patent Owner(s)

Patent OwnerAddress
MARVELL ASIA PTE LTDTAI SENG CENTRE 3 IRVING ROAD #10-01 SINGAPORE 369522

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alfieri, Giuseppe Pavia, IT 1 1
Marcone, Bruno Pavia, IT 4 3
Ressia, Alberto Alessandria, IT 5 131
Santillo, Giuseppe Pavia, IT 1 1

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