Acoustics based anomaly detection in machine rooms

Patent metadata

Field	Value
Publication number	US-9905249-B1
Application number	US-201715704301-A
Country	US
Kind code	B1
Filing date	Sep 14, 2017
Priority date	Feb 13, 2017
Publication date	Feb 27, 2018
Grant date	Feb 27, 2018

Abstract

Monitoring a plurality of machines located in an operating environment. First and second acoustic signal readings and their respective detecting locations are received from a sensing device. First and second acoustic signal spatialization map containing characteristic data signatures for the machines are generated based on the first and second acoustic signal readings. One or more differences are determined that exceed a predetermined threshold value, between corresponding characteristic data signatures in each of the first and second acoustic signal spatialization maps. At least one of the machines that are associated with the determined differences is identified. A corrective action to perform on the machine is identified, based on the determined one or more differences. Commands are transmitted to a corrective action module in the operating environment to cause the corrective action module to perform the corrective action.

First claim

What is claimed is:

1. A method for monitoring a plurality of machines located in an operating environment, the method comprising:
receiving, by a computing system, a first acoustic signal readings and their respective detecting locations from a sensing device in the operating environment;
generating, by the computing system, a first acoustic signal spatialization map containing characteristic data signatures, based on the first acoustic signal readings and their respective detecting locations, each of the characteristic data signatures being associated with one or more of the plurality of machines;
receiving, by the computing system, a second acoustic signal readings and their respective detecting locations from the sensing device in the operating environment;
generating, by the computing system, a second acoustic signal spatialization map containing characteristic data signatures, based on the second acoustic signal readings and their respective detecting locations, each of the characteristic data signatures being associated with one or more of the plurality of machines;
determining, by the computing system, that there are one or more differences that exceed a predetermined threshold value, between one or more characteristic data signatures in the first acoustic signal spatialization map and corresponding one or more characteristic data signatures in the second acoustic signal spatialization map;
identifying, by the computing system, at least one of the plurality of machines that are associated with the determined differences;
identifying, by the computing system, a corrective action to perform on a machine of the plurality of machines, based on the determined one or more differences in the generated first and second acoustic signal spatialization maps;
transmitting, by the computing system, to a corrective action module in the operating environment, commands to cause the corrective action module to execute and perform the identified corrective action on the machine of the plurality of machines, the corrective action module comprising a cantilevered robotic arm rotatably and pivotally attached to the corrective action module at a first end of the cantilevered robotic arm, and an end effector attached to a second end of the cantilevered robotic arm, wherein the cantilevered robotic arm is usable to perform the identified corrective action.

Assignees

• IBM

Inventors

• Salonidis Theodoros
• Verma Dinesh C
• Wood Iii David A

Classifications

• G05B23/0237

  based on parallel systems, e.g. comparing signals produced at the same time by same type systems and detect faulty ones by noticing differences among their responses · CPC title

• G10L25/51 Primary

  for comparison or discrimination · CPC title

• G10L21/10

  Transforming into visible information · CPC title

• G10L25/03

  characterised by the type of extracted parameters · CPC title

• G05B19/406

  characterised by monitoring or safety (G05B19/19 takes precedence) · CPC title