Patrol inspection systems, methods, and programs

Abstract

This invention provides a patrol inspection system, method, and program for accurately estimating the source or location of an anomaly. [Solution] The patrol inspection system 10 includes a holding unit 15 that holds map data 25 of an area with a patrol route, a receiving unit 11 that receives detection data 21 from a detector 30 that measures acoustics, which are on-site condition values, in the area, an acquisition unit 12 that acquires position data 22 indicating the position of the detector 30 in the area, a recognition unit 13 that recognizes orientation data 23 indicating the directivity of the detector 30 in the area, and an estimation unit 17 that identifies a signal of interest 36 having acoustic features of abnormal noises generated from abnormal conditions of equipment included in the detection data 21 based on the detection data 21, position data 22, orientation data 23 and map data 25, and estimates the source 35 or its position of the signal of interest based on its detection sensitivity, position data 22 and orientation data 23.

Claims

1. A storage unit that holds map data of the area where equipment subject to inspection with a patrol route is installed, A receiving unit that receives detection data from a detector that measures acoustics, which are the on-site condition values, in the aforementioned area, An acquisition unit that acquires position data indicating the position of the detector in the area, A recognition unit that recognizes directional data indicating the directivity of the detector in the area, A recording unit records the detection data, position data, and orientation data obtained from the aforementioned patrol route as a dataset that correlates them based on time information. An estimation unit that, based on the aforementioned dataset and map data, identifies a signal of interest from the detection data that has acoustic characteristics of an abnormal sound generated by the equipment in an abnormal state, using the time information as a key, and estimates the source or location of the abnormal sound, which is the signal of interest included in the detection data, from the detection sensitivity of the signal of interest, the position data and the orientation data, A patrol inspection system equipped with [the following features].

2. In the patrol inspection system according to claim 1, An analysis unit that outputs analysis results based on the aforementioned detection data, A patrol inspection system comprising a display unit that displays at least one of the analysis results and the orientation data corresponding to the position data of the patrol route.

3. In the patrol inspection system according to claim 1, A patrol inspection system in which photographic data captured by a camera integrally supported with the detector is included in the dataset.

4. In the patrol inspection system according to claim 3, The aforementioned camera is a 360-degree camera. A patrol inspection system in which at least one of the azimuth data and the source of the emission is displayed in the aforementioned photographic data.

5. In the patrol inspection system according to claim 3, The system includes a generation unit that generates the position data from the aforementioned shooting data, The location data included in the dataset is generated from the image data of the patrol inspection system.

6. In the patrol inspection system according to claim 5, which references claim 1, The generation unit generates the orientation data from the image data, The orientation data included in the dataset is generated from the image data in the patrol inspection system.

7. In the patrol inspection system according to claim 2, A patrol inspection system in which multiple detectors, each with a different direction of directivity, are mounted on a helmet.

8. In the patrol inspection system according to claim 1, A patrol inspection system in which voice data spoken by a patrol officer is extracted from the detection data and converted into text data.

9. A step of maintaining map data of the area where the equipment subject to inspection, which has a patrol route, is installed, The steps include receiving detection data from a detector that measures acoustics, which are field conditions, in the aforementioned area, A step of acquiring position data indicating the position of the detector in the area, The steps include: recognizing directional data indicating the directivity of the detector in the area; The steps include recording the detection data, position data, and orientation data obtained from the aforementioned patrol route as a dataset that correlates them based on time information, A patrol inspection method comprising the steps of: identifying a signal of interest from the detection data having acoustic characteristics of an abnormal sound generated by the equipment in an abnormal state, based on the dataset and map data, and using the time information as a key; and estimating the source or location of the abnormal sound, which is the signal of interest included in the detection data, from the detection sensitivity of the signal of interest, the position data, and the orientation data.

10. On the computer, A step of maintaining map data of the area where equipment subject to inspection with a patrol route is installed, A step of receiving detection data from a detector that measures acoustics, which are field conditions, in the aforementioned area. A step of acquiring position data indicating the position of the detector in the area, The steps include: recognizing directional data indicating the directivity of the detector in the area; A step of recording the detection data, position data, and orientation data obtained from the aforementioned patrol route as a dataset that correlates them based on time information. A patrol inspection program that, based on the dataset and map data, uses the time information as a key to identify a signal of interest from the detection data that has acoustic characteristics of an abnormal sound generated by the equipment in an abnormal state, and estimates the source or location of the abnormal sound, which is the signal of interest included in the detection data, from the detection sensitivity of the signal of interest, the position data and the orientation data.

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