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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-2026104701-A1, on 16 April 2026. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000000528

Robust predictive maintenance method for multiple machineries using multiple microphones

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Sensors, Controls & Machine Vision › Industrial Control
Original source
US-2026104701-A1, the United States Patent and Trademark Office, 16 April 2026
Document SHA-256
9b924dd0ed48357b69cff6f9bfb737430d510f61a4a85a69139d35bfe38216ee

Abstract

A method for performing predictive maintenance that comprises installing a plurality of sound sensors at a plurality of sound monitoring points for monitoring a plurality of machines; measuring, using the plurality of sound sensors, sound pressure data from the plurality of machines at a first time period; deriving, by a processor, particle velocity data using the sound pressure data; and generating, by the processor, at least one of anomaly score or remaining useful life (RUL) associated with maintenance of the plurality of machines based on the particle velocity data and the sound pressure data, wherein the particle velocity data is derived from the sound pressure data based on distance of the sound sensors, and wherein the sound sensors are microphones.

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OpenTechnical Publication OT-2026-000000528, “Robust predictive maintenance method for multiple machineries using multiple microphones,” published September 15, 2026 at 19:03:02 UTC, https://opentechnical.org/p/OT-2026-000000528.

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