Acoustic source localization in confined spaces
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01S-003/808
G08B-017/08
G08B-029/18
G08B-013/16
G01S-005/18
출원번호
US-0863624
(2015-09-24)
등록번호
US-9910128
(2018-03-06)
발명자
/ 주소
Griggs, Kathleen Ann
Griggs, Stephen Patrick
출원인 / 주소
DATABUOY CORPORATION
대리인 / 주소
Grossman, David
인용정보
피인용 횟수 :
1인용 특허 :
5
초록▼
The source of an acoustic even is located. Spatial boundaries for a location are determined. Sensing nodes are placed at the location. The intersection between a sensor area for sensing nodes and spatial boundaries is found. Sensor group(s) of sensing node(s) are determined, based at least in part,
The source of an acoustic even is located. Spatial boundaries for a location are determined. Sensing nodes are placed at the location. The intersection between a sensor area for sensing nodes and spatial boundaries is found. Sensor group(s) of sensing node(s) are determined, based at least in part, on sensing node range limits and shared sensing areas. Solution(s) are generated by processing acoustic event detections based on a multi-sensor fusion of sensor group(s). Solution(s) are refined employing sensor contributions based on a strength of solution compliance value with the spatial boundaries and advancing optimal solutions. Solution(s) are routed to a hub for integration with other services.
대표청구항▼
1. A method for locating the source of an acoustic event comprising: a. determining spatial boundaries for a location;b. locating at least two sensing nodes at the location;c. finding the intersection between a sensor area for each of the at least two sensing nodes and the spatial boundaries;d. dete
1. A method for locating the source of an acoustic event comprising: a. determining spatial boundaries for a location;b. locating at least two sensing nodes at the location;c. finding the intersection between a sensor area for each of the at least two sensing nodes and the spatial boundaries;d. determining at least one sensor group of the at least two sensing nodes, based at least in part, on sensing node range limits and shared sensing areas;e. generating at least one solution by processing acoustic event detections from sensing nodes from at least one of the at least one sensor group;f. determining a strength of solution compliance value for at least one of the at least one solution;g. refining at least one of the at least one solution, based at least in part, employing sensor contributions based on the strength of solution compliance value with the spatial boundaries and advancing optimal solutions; andh. routing at least one of the at least one solution to a hub for integration with other services. 2. The method according to claim 1, wherein the locating employs at least one of the following: a. GPS; andb. a relative survey technique. 3. The method according to claim 1, wherein the hub comprises at least one of the following: a. a communications hub;b. a sensor control gateway; andc. a data repository. 4. The method according to claim 1, wherein the location is inside a building. 5. The method according to claim 1, further comprising verifying the presence of gunfire by detection of a muzzle flash signal employing an infrared detection sensor. 6. The method according to claim 1, further comprising mounting at least one of the at least two sensor nodes on at least one of the following: a. a wall; andb. a ceiling. 7. The method of claim 1, further comprising orienting at least one of the at least two sensing nodes by rotating the at least of the at least two sensing nodes with respect to a connected mounting plate. 8. The method according to claim 1, further comprising at least one of the at least two sensor nodes managing a wireless network. 9. The method according to claim 1, further comprising at least one of the at least two sensor nodes mediating communications between two communication interfaces, based at least in part, on the requirements of the multi-sensor fusion and lighting control network requirements. 10. The method according to claim 1, further comprising at least one of the at least two sensor nodes activating upon receipt of at least one of the following actuation messages: a. a message configured to instruct the at least one of the at least two sensor nodes to communicate an emergency situation; andb. a message configured to instruct the at least one of the at least two sensor nodes to communicate a health and functional status message. 11. The method according to claim 1, further comprising at least one of the at least two sensor nodes communicating to the hub via at least one of the following: a. Ethernet;b. a wired communications port; andc. a wireless communications port. 12. The method according to claim 1, further comprising at least one of the at least two sensor nodes communicate to a gateway node configured to communicate to a server. 13. The method according to claim 1, further comprising delivering reports to a cloud-based data management system, the reports comprising at least one of the following: a. sensor detection data; andb. acoustic localization data. 14. The method according to claim 1, further comprising sending localization reports to an emergency alert notification system to communicate with at least one of security managers and first responders. 15. The method according to claim 1, further comprising sending localization reports to a video surveillance system configured to enable cueing of neighboring video surveillance cameras. 16. The method according to claim 1, further comprising managing and sharing detection and localization reports with at least one of applications and subscribers. 17. The method according to claim 1, further comprising communicating to the hub: a. the location of the acoustic source; andb. a reference to a camera positioned to view the location. 18. The method according to claim 1, further comprising communicating to the hub: a. the location of the acoustic source;b. a reference to a camera positioned to view the location; andc. the time of the acoustic event. 19. The method according to claim 1, further comprising detecting and locating, by at least one of the at least one sensor node, a calibration signal that has at least one of a characteristic and token identifier for a sensor network. 20. The method according to claim 1, wherein at least one of the at least one sensor node is integrated into an electronic target system configured to measure a position where a bullet penetrates a target plane. 21. The method according to claim 1, further comprising measuring a muzzle velocity and trajectory of a bullet at the point where a gun is fired by at least two target planes. 22. The method according to claim 1, further comprising measuring, via two microphone arrays downrange of a gunshot, a time-of-arrival and trajectory of a bullet.
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이 특허에 인용된 특허 (5)
Duckworth Gregory L. ; Barger James E. ; Gilbert Douglas C., Acoustic counter-sniper system.
Barger, James E.; Milligan, Stephen D.; Brinn, Marshall Seth; Mullen, Richard J., System and method for identifying a muzzle blast using a multi-sensor total energy approach.
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