METHOD AND SYSTEM FOR DETECTING ANIMALS IN THREE DIMENSIONAL SPACE AND FOR INDUCING AN AVOIDANCE RESPONSE IN AN ANIMAL

• US 20130257641A1
• Filed: 09/19/2012
• Published: 10/03/2013
• Est. Priority Date: 09/23/2011
• Status: Abandoned Application

• Current Assignee: Lite Enterprises Inc.
• Original Assignee: Lite Enterprises Inc.
• Inventors: Ronning, Donald
• Application Number:
  US13/622,448
• Publication Number:
  US 20130257641A1
• Time in Patent Office: Days
• US Class Current: 342/54
• CPC Class Codes: A01M 29/00 Scaring or repelling devices, e.g. bird-scaring apparatus
• CPC Class Codes: A01M 29/10 using light sources, e.g. lasers or flashing lights
• CPC Class Codes: A01M 31/002 Detecting animals in a given area
• CPC Class Codes: G01S 13/42 Simultaneous measurement of distance and other co-ordinates indirect measurement G01S13/46
• CPC Class Codes: G01S 13/56 for presence detection presence detection using near field arrangements G01V3/00, e.g. G01V3/08, G01V3/12; burglar, theft or intruder alarms with electrical actuation G08B13/22 - G08B13/26
• CPC Class Codes: G01S 13/88 Radar or analogous systems specially adapted for specific applications electromagnetic prospecting or detecting of objects, e.g. near-field detection, G01V3/00

Abstract

The system and method of detection of low flying animals, such as birds, bats, and insects, and more particularly the detection of low flying animals using a radar system to detect the animals in three-dimensional airspace. The radar system produces narrowly focused radar pulses. The radar system comprises a single radar unit, an A/D proceeding apparatus, an A/D conversion apparatus, and a pan/tilt controlled base platform. The system and method further producing an avoidance response in an animal, and more particularly, producing an avoidance response by illuminating the animal with ultraviolet light.

Claims

1. A method for detecting the presence of one or more animals, comprising:

providing a single radar unit, wherein the radar unit comprises a transmitter and a receiver and the single radar unit transmits microwave or radio wave radiation;

collecting a series of data samples from narrowly focused radar pulses, wherein the narrowly focused radar pulses vary by an angle of separation that is equal to or less than half of the angle of the beam angle of propagation thereby producing a series of overlapping scans; and

determining the range, distance, and altitude of one or more animals.

2. The method, for detecting the presence of one or more animals of claim 1, wherein the transmitter utilizes an X-band, pulsed radar beam of about 2 kW average power and the receiver is a parabolic dish antenna.

3. The method for detecting the presence of one or m ore animals of claim 2, wherein the pulsed radar beams occur at a pulse repetition frequency.

4. The method for detecting the presence of one or more animals of claim 3, wherein the pulse repetition frequency is at least 1 KHz.

5. The method for detecting the presence of one or more animals of claim 1, further comprising the step of providing a pan/tilt controlled motorized base platform upon which the single radar unit:

is mounted and controlled in azimuth and elevation angle.

6. The method for detecting the presence of one or more animals of claim 1, wherein the narrowly focused radar pulses vary by a vertical angle of separation that is equal to or less than 5% of the angle of the beam angle of propagation.

7. The method for detecting the presence of one or more animals of claim 1, wherein the narrowly focused radar pulses vary by a horizontal angle of separation that is equal to or less than 33% of the angle of the beam angle of propagation.

8. The method for detecting the presence of one or more animals of claim 5, wherein the pan/tilt controlled motorized base platform is configured to accurately encode the position associated with each unique radar pulse.

9. The method for detecting the presence of one or more animals of claim 5, further comprising the step of providing an external A/D signal processing apparatus to analyze sequentially consecutive series of radar data into a 3D digital image.

10. The method for detecting the presence of one or more animals of claim 9, further comprising the step of providing an external A/D signal conversion apparatus, wherein the return analog signal of each radar pulse is sampled and digitized by the external A/D signal.

11. The method for detecting the presence of one or more animals of claim 10, wherein the A/D signal conversion apparatus is configured to process data, at a rate of at least 1 MHz and a sample depth of at least 10 bits.

12. The method for detecting the presence of one or more animals of claim 10, further comprising the steps of determining the range to the object by means of signal-time measurements, determining the bearing by means of transmission pulses in the respective azimuth, and determining the altitude of the object by means of successive signal-time measurements as the transmission pulses varies in the respective elevation direction using the A/D signal conversion apparatus.

13. The method for detecting the presence of one or more animals of claim 9, wherein the external A/D signal processing apparatus is configured to process signal strength, rate of velocity, variation of a single point in relation to adjacent points in three dimensional airspace, and the variation from previously sampled points in the same three dimensional point in airspace.

14. The method for detecting the presence of one or more animals of claim 5, wherein the pan/tilt controlled motorized base platform motion is configured to scan the pulsed radar beams propagated by the parabolic, dish antenna faster in the vertical direction as compared to the horizontal direction.

15. The method for detecting the presence of one or more animals of claim 9, wherein the external A/D signal, processing apparatus incorporates known external conditions, such as wind direction and speed, and known locations of signal returns.

16. The method for detecting the presence of one or m ore animals of claim 10, further comprising the steps of providing an external controller unit that interlaces and controls the pan/tilt controlled base platform, the pulse repetition frequency, the A/D signal conversion apparatus, and the A/D signal processing apparatus.

17. The method for detecting the presence of one or more animals of claim 9, wherein the external A/D signal processing apparatus compares the location in three-dimensional space of an animal to a particular set of conditions to determine whether a notification should be sent.

18. The method for detecting the presence of one or more animals of claim 17, wherein the notification comprises logging, sending a warning, or the like.

19. A method for producing an avoidance response in an animal, comprising;

providing a plurality of illumination sources wherein the illumination source is a light emitting diode having a peak emission wavelength from about 320 nanometers to about 400 nanometers;

providing a plurality of sensors; and

providing a central controller, wherein the central controller is configured to receive data from the plurality of sensors, combine the data received from the plurality of sensors to create a complete situational awareness, and communicate a response to the plurality of illumination sources thereby producing an avoidance response in an animal.

20. The method for producing an avoidance response in an animal of claim 19, wherein the illumination source has a peak emission wavelength from about 355 nanometers to about 390 nanometers.

21. The method for producing an avoidance response in an animal of claim 19, wherein the sensor comprises radar.

22. The method for producing an avoidance response in an animal of claim 21, further comprising collecting a series of data samples from narrowly focused radar pulses, wherein the narrowly focused radar pulses vary by an angle of separation that is equal to or less than half of the angle of the beam angle of propagation thereby producing a series of overlapping scans;

and.

23. The method for producing an avoidance response in an animal of claim 22, wherein the situational awareness comprises the range, distance, and altitude of one or more animals.

24. The method for producing an avoidance response in an animal of claim 19, wherein the animal is a flying animal.

25. The method for producing an avoidance response in an animal of claim 19, wherein the animal is a swimming animal.

26. The method for producing an avoidance response in an animal of claim 19, wherein the animal is a diving animal.

27. The method for producing an avoidance response in an animal of claim 19, wherein the avoidance response is an involuntary response resulting from a brightness contrast to the apparent background brightness from the perspective of the animal of at least a 10:

1 ratio and the illumination intensity is less than 0.6 W/cm².

28. The method for producing an avoidance response in an animal of claim 19, wherein the avoidance response is an involuntary response resulting from an induced oscillating eye pupil dilation resulting from a changing illumination state between ‘

on’ and

‘

off’

conditions with a time interval from about 100 milliseconds to about 5 seconds.

29. The method for producing an avoidance response in an animal of claim 19, wherein the spatial separation of the plurality of illumination sources is an angular amount from about 1 degree to about 15 degrees.

30. The method for producing an avoidance response in an animal of claim 19, wherein the response communicated by the central controller to the plurality of illumination sources is configured to modify the intensity, direction, sequence, duration of illumination, and any combination thereof.

31. The method for producing an avoidance response in an animal of claim 19, wherein the sensor is configured to differentiate between objects such as low flying animals and larger, faster moving objects that are within the protected area.

32. The method for producing an avoidance response in an animal of claim 19, wherein the sensor is configured to utilize signal processing of multiple samples over time to differentiate objects with a low signal to noise ratio that exhibit persistence of motion characteristic of animals of interest from general background signal noise within the protected area.

33. The method for producing an avoidance response in an animal of claim 19, wherein the central controller communicates with the sensors and illumination sources using data packets and TCP protocols over a wireless network.

34. The method for producing an avoidance response in an animal of claim 19, wherein the central controller determines the appropriate response to the moving objects of interest using rules of escalating responses to issue illumination commands consisting of range, bearing azimuth, power level of emission, duration of emission, and coordinated flashing sequence to each illumination source to be directed at the moving object of interest.

35. A system for producing an avoidance response in an animal, comprising;

a plurality of illumination sources wherein the illumination source is a light emitting diode;

a plurality of sensors; and

a central controller configured to receive data from the plurality of sensors, combine the data received front the plurality of sensors to create a complete situational awareness, and communicate a response to the plurality of illumination sources thereby producing an avoidance response in an animal.

36. The system for producing an avoidance response in an animal of claim 35, wherein the plurality of illumination sources is configured to illuminate the rotor sweep area and surrounding airspace of a wind turbine with light having a peak emission wavelength from about 370 nanometers to about 400 nanometers.

37. The system for producing an avoidance response in an animal of claim 35, further comprising a power supply, power relay, controller electronics, and thermistors.

38. The system for producing an avoidance response in an animal of claim 35, wherein the plurality of illumination sources conforms to the standard aircraft industry landing light configuration for dimensions and power specifications and has a peak emission wavelength from about 355 nanometers to about 400 nanometers.

39. The system, for producing an avoidance response in an animal of claim 38, wherein the plurality of illumination sources is directed to the airspace directly in front of the aircraft which, overlaps the airspace illuminated by the aircraft'"'"'s traditional landing lights.

40. The system for producing an avoidance response in an animal of claim 38, further comprising a plurality of illumination sources that are configured to emit light having a peak emission wavelength from about 400 nanometers to about 700 nanometers.

41. The system for producing an avoidance response in an animal of claim 35, further comprising a power supply, electronic controller, and power relay switch.

42. The system for producing an avoidance response in an animal of claim 35, wherein the illumination sources are configured to alternate between ‘

on’ and

‘

off’

conditions with a time interval from about 100 milliseconds to about 1.5 seconds.

43. The system for producing an avoidance response in an animal of claim 37, wherein the illumination sources are configured to alternate between ‘

on’ and

‘

off’

conditions in response to an over temperature condition.