Intelligent noise monitoring device and noise monitoring method using the same

• US 10,371,567 B2
• Filed: 07/22/2015
• Issued: 08/06/2019
• Est. Priority Date: 07/28/2014
• Status: Active Grant

• Current Assignee: Doosan Heavy Industries and Construction Company Limited
• Original Assignee: Doosan Heavy Industries Construction Co., Ltd.
• Inventors: Lee, Sang Jin
• Primary Examiner(s): Smith, Jelani A
• Assistant Examiner(s): Alsomiri, Majdi
• Application Number:
  US14/805,730
• Publication Number:
  US 20160025551A1
• Time in Patent Office: 1,476 Days
• CPC Class Codes: B64U 10/13 Flying platforms
• CPC Class Codes: B64U 2101/30 for imaging, photography or videography
• CPC Class Codes: G01H 3/00 Measuring characteristics of vibrations by using a detector in a fluid G01H7/00, G01H9/00, G01H11/00 take precedence
• CPC Class Codes: G01H 3/04 Frequency
• CPC Class Codes: G01H 3/10 Amplitude; Power
• CPC Class Codes: G08G 5/003 Flight plan management

Abstract

An intelligent noise monitoring device includes a self-flying moving module, a noise measurement module equipped in the moving module to measure noise of a target to be detected, a control module configured to control the moving module and the noise measurement module; and a communication module configured to communicate with a ground control center, wherein the intelligent noise monitoring device flies to a location to be detected to measure the noise of the location to be detected so as to determine whether or not the measured noise is in an abnormal state.

Claims

1. An intelligent noise monitoring device, comprising:

a self-movable moving module including a noise measurement module, a control module and a communication module,

the intelligent noise monitoring device configured to

set up a target area or a target location in order to monitor a noise level thereof, based on a predetermined noise reference level,

operate the self-movable moving module to measure the noise level of the target area or the target location by flying along the target area or the target location, and

generate, when the noise is detected from the target area or the target location, map information for positioning the target area and the target location on a map based on the measured noise level and the detected noise and the predetermined noise reference level,

wherein the noise measurement module, the control module and the communication module are disposed in the self-movable moving module;

wherein the noise measurement module is configured to measure the noise level of the target area or the target location, or a target which is positioned within the target area or the target location, wherein the self-movable moving module is configured to move with respect to the location;

wherein the control module is configured to control the moving module and the noise measurement module and to obtain a value of the predetermined noise reference level by periodically measuring the noise level of the target area or the target location or the target at a set time or for a set period, and store the value of the predetermined noise reference level as a noise level reference of the target area or the target location or the target in a normal noise state; and

wherein the communication module is configured to communicate with a ground control center,

wherein the control module is further configured to;

compare a later measured noise level from the target area or the target location or the target with the predetermined noise reference level to determine whether or not the later measured noise level is in an abnormal state and transmit the determination to the ground control center when the abnormal state is determined through the communication module.

2. The intelligent noise monitoring device of claim 1, wherein the moving module includes a self-flying unmanned aerial means and the noise measurement module includes an acoustic camera.

3. The intelligent noise monitoring device of claim 1, wherein the control module includes a path controller configured to control a path of the moving module, a noise measurement controller configured to control the noise measurement module, an operation controller configured to analyze the noise level measured by the noise measurement module to determine the abnormal state or not, a recharge controller configured to control recharge and power of the moving module, and a setting controller configured to manage preset data and update data received from the ground control center.

4. The intelligent noise monitoring device of claim 3, wherein the noise measurement controller operates the noise measurement module when entering the target area or the target location and stops the noise measurement module at the time of deviating from the location after the noise measurement operation is completed.

5. The intelligent noise monitoring device of claim 3, wherein the recharge controller checks a state of charge or a charging timing of the moving module and controls the moving module to move to a recharge station depending on a state of charge or the charging timing.

6. The intelligent noise monitoring device of claim 5, wherein the communication module includes a global positioning system (GPS) receiving module, discriminates GPS coordinates within the target area or the target location by the GPS receiving module and maps the discriminated GPS coordinates to the map information, and transmits the mapped information to the path controller.

7. The intelligent noise monitoring device of claim 3, wherein the setting controller communicates with the ground control center through the communication module to determine whether the update data is set including any one of whether to change the map information, whether to update the preset data, or whether to change the set path so as to receive the update data and reflect the received update data to the preset data.

8. The intelligent noise monitoring device of claim 1, wherein the control module stores the map information of the target area or the target location, positional information within the target area or the target location which is mapped to the map information and mapped to the value of the predetermined noise reference level for the target area or the target location, and a set path along which the moving module moves and when the map information and the set path are changed, stores and updates the changed map information and set path.

9. The intelligent noise monitoring device of claim 8, wherein the control module stores a changed path when the set path is changed for any one of avoidance of obstacles on the path, emergency recharging, or noise measurement of a border of the location, and compares the changed path with the set path to control a return to the set path.

10. The intelligent noise monitoring device of claim 1, wherein the operation controller transmits a signal to the noise measurement controller, upon determining that the noise level is the abnormal noise, to re-measure the noise level of the target area or the target location or the target at each distance.

11. The intelligent noise monitoring device of claim 1, wherein the noise level and the predetermined noise reference level include a form of any one of a decibel (dB), a frequency, or a noise pattern.

12. A noise monitoring method, comprising:

setting up a target area or a target location in order to monitor a noise level thereof, based on a predetermined noise reference level;

operating the self-movable moving module to measure the noise level of the target area or the target location by flying along the target area or the target location; and

generating, when the noise is detected from the target area or the target location, map information for positioning the target area and the target location on a map based on the measured noise level and the detected noise and the predetermined noise reference level,

wherein the noise monitoring method further comprises;

controlling a noise monitoring device to enter a target area or a target location, by a driving of a moving module self-moving along a set path stored in a control module of the noise monitoring device that controls the moving module and a noise measurement module, wherein the noise measurement module the control module and a communication module are disposed in the moving module;

measuring, by the noise measurement module equipped in the moving module, noise level of the target area or the target location or a target disposed in the target area or the target location while moving along the set path, wherein the moving module is configured to move with respect to the target area or the target location;

creating, by the control module disposed in the moving module, a predetermined noise reference level of the target area or the target location or the target in a normal noise state by periodically measuring the noise level of the target area or the target location or the target for a set time or a set period;

comparing, by the control module, the predetermined noise reference with a later measured noise level to determine whether the measured noise level is in an abnormal noise state or a normal noise state;

transmitting the determination to the ground control center when the abnormal state is determined; and

controlling a movement of the noise monitoring device by the control module based upon whether the noise level is in the normal noise state or the abnormal noise state.

13. The noise monitoring method of claim 12, further comprising:

based upon the noise level being in the abnormal noise state, re-measuring the noise level of the target at each distance and a determining whether the noise level measured in there-measuring step is the abnormal noise state.

14. The noise monitoring method of claim 13, further comprising:

based upon the noise level being in the abnormal noise state, mapping positional information of the noise monitoring device to map information of the target area or the target location by the communication module, after the mapping step, transmitting the noise and the map information which are measured by communicating with the ground control center by the communication module, and after the transmitting step, returning to the set path by the intelligent noise monitoring device.

15. The noise monitoring method of claim 12, further comprising:

after controlling the movement of the noise monitoring device based upon the measured noise, transmitting the measured noise level to the ground control center.

16. The noise monitoring method of claim 12, wherein the noise and the predetermined noise reference level in the normal noise state include a form of any one of a decibel (dB), a frequency, or a noise pattern.

17. An intelligent noise monitoring device, the intelligent noise monitoring device configured to:

set up a target area or a target location in order to monitor a noise level thereof, based on a predetermined noise reference level,

operate a self-movable moving module to measure the noise level of the target area or the target location by flying along the target area or the target location, and

generate, when the noise is detected from the target area or the target location, map information for positioning the target area and the target location on a map based on the measured noise level and the detected noise and the predetermined noise reference level,

wherein the intelligent noise monitoring device comprises;

the self-movable moving module;

a noise measurement module provided in the moving module configured to measure noise level of a target area or a target location or a target which is positioned within the target area or the target location, wherein the self-movable moving module is configured to move with respect to the target area or the target location;

a control module provided in the moving module and programmed to;

control the moving module and the noise measurement module;

communicate with a ground control center,

predetermine a noise reference level by periodically measuring the noise level of the target area or the target location or the target at a predetermined time or a predetermined period of time,

store the predetermined noise reference level,

compare the measured noise level from the target area or the target location or the target with the predetermined noise reference level in order to determine whether or not the measured noise level is in an abnormal state, based upon an abnormal state being determined, transmit the measured noise level to a ground control center.