US20160055399A1 - Graphical display for bird or bat detection and identification - Google Patents

Graphical display for bird or bat detection and identification Download PDF

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Publication number
US20160055399A1
US20160055399A1 US14/829,465 US201514829465A US2016055399A1 US 20160055399 A1 US20160055399 A1 US 20160055399A1 US 201514829465 A US201514829465 A US 201514829465A US 2016055399 A1 US2016055399 A1 US 2016055399A1
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Prior art keywords
application program
user interface
graphical user
real
wind
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Abandoned
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US14/829,465
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English (en)
Inventor
Thomas R. Hiester
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Identiflight International LLC
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Identiflight LLC
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=55347115&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20160055399(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Identiflight LLC filed Critical Identiflight LLC
Priority to US14/829,465 priority Critical patent/US20160055399A1/en
Priority to AU2015305467A priority patent/AU2015305467A1/en
Priority to CA2958857A priority patent/CA2958857A1/fr
Priority to PCT/US2015/045950 priority patent/WO2016028925A1/fr
Priority to EP15834059.6A priority patent/EP3183604A4/fr
Assigned to INDENTIFLIGHT, LLC reassignment INDENTIFLIGHT, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HIESTER, Thomas R.
Publication of US20160055399A1 publication Critical patent/US20160055399A1/en
Assigned to IDENTIFLIGHT, LLC reassignment IDENTIFLIGHT, LLC CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE NAME PREVIOUSLY RECORDED ON REEL 036459 FRAME 0791. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Assignors: HIESTER, Thomas R.
Assigned to IDENTIFLIGHT INTERNATIONAL, LLC reassignment IDENTIFLIGHT INTERNATIONAL, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: IDENTIFLIGHT, LLC
Abandoned legal-status Critical Current

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Classifications

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    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
    • A01M29/06—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like
    • A01M29/10—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like using light sources, e.g. lasers or flashing lights
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K29/00—Other apparatus for animal husbandry
    • A01K29/005—Monitoring or measuring activity, e.g. detecting heat or mating
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
    • A01M29/16—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
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    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
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    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/007—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with means for converting solar radiation into useful energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
    • F03D9/257—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor the wind motor being part of a wind farm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00—Control
    • F05B2270/80—Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges
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    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • H02S10/12—Hybrid wind-PV energy systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

  • This disclosure relates generally to systems and methods for assessing and/or reducing the risk from wind turbines to birds and/or bats.
  • Some government entities may require wind farms to mitigate that risk, particularly for certain bird or bat species protected by law or government regulations.
  • these government entities may require that mitigation of the risk to Golden Eagles or Bald Eagles from a proposed wind farm be demonstrated before installation of the wind farm is permitted.
  • Other governments may not require a permit, but may still issue penalties or fines for those wind farms that harm government identified birds or other animals.
  • This specification discloses systems and methods that employ automated optical imaging technology to mitigate the risk posed by wind turbines to protected bird and/or bat species, other types of objects, or combinations thereof and related systems and methods that employ automated optical imaging to assess such risk prior to or after construction of a wind farm by surveying bird and/or bat populations, surveying other types of risks, or combinations thereof in the vicinity of the wind farm site.
  • an automated system for mitigating risk from a wind turbine includes a plurality of optical imaging sensors and a controller.
  • the controller is configured to automatically receive and analyze images from the optical imaging sensors, to automatically send a signal to curtail operation of the wind turbine to a predetermined risk mitigating level when the controller determines from images from the optical imaging sensors that an is at risk from the wind turbine, and to subsequently automatically send a signal to resume normal operation of the wind turbine when the controller determines from additional images from the optical imaging sensors that there is no longer risk from the wind turbine to an airborne object of the one or more predetermined species.
  • the controller may be configured to determine whether each bird or bat it detects in images from the optical imaging sensors is a member of a particular predetermined species before the detected bird or bat is closer to the wind turbine than the distance the particular predetermined species can fly at a characteristic speed of the particular predetermined species in the time required to curtail operation of the wind turbine to the predetermined risk mitigating level.
  • the characteristic speed of the particular predetermined species may be, for example, the average horizontal flight speed of the predetermined species or the maximum horizontal flight speed of the predetermined species.
  • the predetermined species include Golden Eagles.
  • the controller determines whether each bird or bat it detects in images from the optical imaging sensors is a Golden Eagle before the detected bird or bat is closer than about 600 meters to the wind turbine. The controller may detect at a distance greater than about 800 meters each bird or bat that it subsequently determines is a Golden Eagle.
  • the predetermined species include Bald Eagles.
  • the controller determines whether each bird or bat it detects in images from the optical imaging sensors is a Bald Eagle before the detected bird or bat is closer than about 600 meters to the wind turbine. The controller may detect at a distance greater than about 800 meters each bird or bat that it subsequently determines is a Bald Eagle.
  • the plurality of optical imaging sensors may be arranged with a combined field of view of about 360 degrees or more around the wind turbine.
  • the optical imaging sensors may be arranged with overlapping fields of view.
  • at least some of the optical imaging sensors are attached to a tower supporting the wind turbine.
  • one or more of the optical imaging sensors is arranged with a field of view directly above the wind turbine.
  • the system may comprise a deterrent system configured to deploy bird and/or bat deterrents, such as flashing lights or sounds for example, to deter birds and/or bats from approaching the wind turbine.
  • the controller may be configured to automatically send a signal to the deterrent system to deploy a bird or bat deterrent if the controller determines from images from the optical imaging sensors that a bird or bat of the one or more predetermined species is approaching the wind turbine.
  • an automated system for mitigating risk from a wind turbine to birds or bats of one or more predetermined species comprises a plurality of optical imaging sensors and a controller.
  • the controller is configured to automatically receive and analyze images from the optical imaging sensors and to automatically send a signal to the deterrent system to deploy a bird or bat deterrent if the controller determines from images from the optical imaging sensors that a bird or bat of the one or more predetermined species is approaching the wind turbine.
  • the controller may be configured to determine whether each bird or bat it detects in images from the optical imaging sensors is a member of a particular predetermined species before the detected bird or bat is closer to the wind turbine than the distance the particular predetermined species can fly at a characteristic speed of the particular predetermined species in the time required to curtail operation of the wind turbine to a predetermined risk mitigating level.
  • the characteristic speed of the particular predetermined species may be, for example, the average horizontal flight speed of the predetermined species or the maximum horizontal flight speed of the predetermined species.
  • the predetermined species include Golden Eagles.
  • the controller determines whether each bird or bat it detects in images from the optical imaging sensors is a Golden Eagle before the detected bird or bat is closer than about 600 meters to the wind turbine. The controller may detect at a distance greater than about 800 meters each bird or bat that it subsequently determines is a Golden Eagle.
  • the predetermined species include Bald Eagles.
  • the controller determines whether each bird or bat it detects in images from the optical imaging sensors is a Bald Eagle before the detected bird or bat is closer than about 600 meters to the wind turbine. The controller may detect at a distance greater than about 800 meters each bird or bat that it subsequently determines is a Bald Eagle.
  • the plurality of optical imaging sensors may be arranged with a combined field of view of about 360 degrees or more around the wind turbine.
  • the optical imaging sensors may be arranged with overlapping fields of view.
  • at least some of the optical imaging sensors are attached to a tower supporting the wind turbine.
  • one or more of the optical imaging sensors is arranged with a field of view directly above the wind turbine.
  • a graphical user interface produced by an application program operating on a computing device having a display device associated therewith includes an application program window presented on the at least one display device.
  • the application program window is generated by the application program operating on the computing device.
  • the application program window displays a real-time graphical representation of a wind farm, and the application program receives real-time information pertaining to the wind farm from a remote server over a network.
  • the application program window displays an airborne object located in real-time on the display device.
  • the remote server is in communication with an array of image capturing devices positioned within the wind farm over the network.
  • the array of image capturing devices may include a plurality of low resolution cameras and at least one high resolution camera, and the remote server initiates the at least one high resolution camera to capture a high resolution image of the airborne object captured with at least one of the plurality of low resolution cameras.
  • the graphical user interface may also include a second display device coupled to the application program.
  • the second display device may display a real-time image of the airborne object when an incoming object enters a predetermined boundary surrounding the wind farm.
  • the graphical user interface may include a second window within the application program window, the second window displaying a real-time image of the airborne object when an object enters a predetermined boundary surrounding the wind farm.
  • the application program window may displays a classification of the airborne object as the remote server determines the classification.
  • the application program window may display a behavioral pattern of the airborne object when the airborne object is an animal.
  • the remote server may be in communication with a radar system proximate at least one high resolution camera, and the remote server initiates the radar system to determine a location and travel trajectory of the airborne object.
  • the application program window may display a graphical representation of the location and the travel trajectory of the airborne object within the wind farm.
  • the application program window may display a graphical representation of an alert status of the airborne object based at least in part on an alert threshold.
  • the remote server may initiates curtailment activities of the wind farm based at least in part on a real-time location of the airborne object, wherein the application program window displays the curtailment activities.
  • the application program window may display meteorological information pertaining to the wind farm.
  • the wind farm may be a first wind farm and the application program window changes the display device to a second wind farm.
  • the application program window display alternates between the first wind farm and the second wind farm.
  • the application program window may prioritize the display device to present an event occurring at one of the first wind farm or the second wind farm.
  • a graphical user interface produced by an application program operating on a computing device having a display device associated therewith includes an application program window presented on the at least one display device, said application program window being generated by the application program operating on the computing device.
  • the application program window displays a real-time graphical representation of a wind farm, the real-time graphical representation received by the application program from a remote server over a network.
  • the remote server receives real-time location information from a radar system proximate the wind farm, wherein the application program window displays an airborne object located in real-time on the display device.
  • the application program classifies the airborne object as an airborne animal and generates an event based at least in part on a classification.
  • a graphical user interface produced by an application program operating on a computing device having a display device associated therewith includes an application program window presented on the at least one display device, the application program window being generated by the application program operating on the computing device.
  • the application program window displays a real-time graphical representation of a wind farm, the real-time graphical representation received by the application program from a remote server over a network.
  • the remote server receives real-time location information from a radar system proximate the wind farm where the application program window displays a location and trajectory of an airborne object located in real-time on the display device.
  • the remote server is in communication with an array of image capturing devices including a plurality of low resolution cameras and at least one high resolution camera where the application program classifies the airborne object as an airborne animal based at least in part on images captured by the array of image capturing devices and generates an event based at least in part on a classification.
  • the remote server initiates curtailment activities of the wind farm based at least in part on a real-time location of the airborne object, wherein the application program window displays the curtailment activities.
  • an automated system for surveying the population of birds or bats of one or more particular species of interest comprises a plurality of optical imaging sensors and a controller.
  • the controller is configured to automatically receive and analyze images from the optical imaging sensors and to automatically determine whether birds or bats detected in images from the optical imaging sensors are members of the one or more particular species of interest.
  • the particular species of interest may comprise, for example, Bald Eagles and/or Golden Eagles.
  • an automated system for mitigating risk from a wind farm may include an array of a plurality of image capturing devices independently mounted in a wind farm.
  • the array may include a plurality of low resolution cameras and at least one high resolution camera.
  • the plurality of low resolution cameras may be interconnected and may detect a spherical field surrounding the wind farm.
  • a server may be in communication with the array of image capturing devices. The server may automatically analyze images to classify an airborne object captured by the array of image capturing devices in response to receiving the images.
  • the array of image capturing devices may coordinate the capturing of a stereoscopic image of the airborne object.
  • the server may be connected to a plurality of wind towers, wherein the server may be capable of initiating mitigation efforts of the wind towers.
  • the mitigation activities may curtail functionality of blades of the wind tower.
  • the mitigation activities may initiate one or more deterrent activities, wherein the deterrent activities may include flashing lights and sounds.
  • a plurality of towers may be strategically placed around the wind farm to provide 360 degrees of optical coverage of each wind tower in the wind farm.
  • the plurality of towers may be equipped with the plurality of image capturing devices.
  • the plurality of towers may be equipped with meteorological instrumentation, the meteorological instruments may be connected to the server.
  • the meteorological instruments may stream weather conditions to the server.
  • the server may be configured to use the weather conditions to aid in identifying a behavioral pattern to classify the flying object.
  • a radar system may be proximate the at least one high resolution camera.
  • the at least one high resolution camera may be equipped with a pan and tilt system capable of near 360 motion.
  • An observation zone may surround each plurality of image capturing devices, wherein each observation zone may overlap.
  • the array may further include at least one wide view imaging system, the wide view imaging system may comprise a view range between 180 degrees and 90 degrees.
  • a method of mitigating risk from a wind farm may include detecting one or more airborne objects through a low resolution camera, activating a high resolution camera to provide improved imagery, and transmitting, automatically through a computing device, improved imagery data to a cloud server.
  • the method may include classifying, through the cloud server, the airborne object based at least in part on the improved imagery, monitoring the airborne object with the high resolution camera as it enters a wind farm based at least in part on the classification when the airborne object is classified as at least one of the predetermined species.
  • the method may also include activating mitigation efforts within the wind farm when the flying object meets a threshold classification and a threshold location.
  • the method may further include gathering one or more meteorological data points from one or more meteorological instruments proximate the high resolution camera and transmitting the meteorological data points to a cloud server.
  • a cloud server may analyze a behavior of the flying object based at least part on the meteorological data points. Image data and meteorological data points may be streamed to the cloud server.
  • the cloud server may update a travel trajectory of the flying object and a behavioral categorization based at least in part on the streaming data.
  • Activating mitigation efforts may further include curtailing, automatically, operation of a wind tower based at least in part on the threshold classification and threshold location.
  • the threshold location may comprise a predetermined distance from a wind tower based at least in part on a travel trajectory of the flying object and a travel speed of the flying object.
  • An event log may be generated when a flying object enters the wind farm.
  • the event information may be recorded including object classification, travel information, and mitigation efforts relating to the event.
  • the event information may be stored in a cloud server for a predetermined period of time.
  • a location of the airborne object may be determined using a radar system proximate the high resolution camera.
  • an automated system for mitigating risk from a wind farm may include a plurality of image capturing devices independently mounted on a detection system tower in a wind farm.
  • the plurality of image capturing devices including a plurality of low resolution cameras and at least one high resolution camera.
  • the plurality of low resolution cameras may be interconnected and may detect a spherical field surrounding the wind farm.
  • a server may be in communication with the array of image capturing devices. The server may analyze images to classify a flying object captured by the array of imaging capturing devices in response to receiving the images.
  • FIG. 1 is an exemplary side perspective view of a wind turbine illustrating a volume of space around the wind turbine defined by an example bird or bat risk mitigation methods and systems disclosed herein.
  • FIG. 2 is an exemplary top perspective view of the wind turbine and bird or bat risk mitigation volume illustrated in FIG. 1 .
  • FIG. 3 is an exemplary top perspective view of a wind farm illustrating risk mitigation volumes defined by an example bird or bat risk mitigation methods and systems disclosed herein, as well as the trajectory of a bird flying through the wind farm and triggering curtailment for some wind turbines but not others.
  • FIG. 4 shows an exemplary view of a wind turbine to which optical imaging sensor modules are mounted according to an example bird or bat risk mitigation methods and systems disclosed herein.
  • FIG. 5 shows an exemplary view of a wind turbine to which optical imaging sensor modules are mounted according to an example bird or bat risk mitigation methods and systems disclosed herein.
  • FIG. 6 shows an exemplary view of a wind turbine to which optical imaging sensor modules are mounted according to an example bird or bat risk mitigation methods and systems disclosed herein.
  • FIG. 7 shows an example block diagram of a system for mitigating risk from a wind turbine to birds or bats disclosed herein.
  • FIG. 8 is a top perspective view of an example of a wind turbine farm with an array of image capturing devices disclosed herein.
  • FIG. 9 shows an exemplary view of a detection system tower disclosed herein.
  • FIGS. 10A , 10 B, 10 C, 10 D, and 10 E show an exemplary graphical user interface as disclosed herein.
  • FIG. 11 is an exemplary flow diagram pertaining to detection systems as disclosed herein.
  • FIG. 12 is an exemplary flow diagram pertaining to detection systems as disclosed herein.
  • airborne object generally refers to animals or objects that employ aerial locomotion. This aerial locomotion may be powered or unpowered. These airborne objects may include flying or gliding objects or animals such as birds, bats, insects, other types of mammals, other types of birds, drones, aircraft, projectiles, other types of airborne objects, or combinations thereof.
  • this specification discloses automated systems and methods that employ optical imaging technology to detect birds, bats, or other types of objects (e.g., bird 10 ) in flight near a wind turbine 100 , determine whether or not the detected bird, bat, or object is of one or more particular protected species or group requiring risk mitigation (e.g., a Golden Eagle, a Bald Eagle, government drone), and based on that determination decide whether or not to curtail operation of the wind turbine 100 and/or whether or not to employ deterrent measures to deter the detected bird, bat, or object from approaching the wind turbine 100 .
  • risk mitigation e.g., a Golden Eagle, a Bald Eagle, government drone
  • the systems and methods may, for example, positively identify a detected bird, bat, or object to be a member of a protected species or group for which risk is to be mitigated, positively identify a detected bird, bat, or object to be a member of a species for which risk need not be mitigated, or determine that a detected bird, bat, or object is not a member of a protected species or group for which risk is to be mitigated without identifying the species of the bird, bat, or object.
  • a protected species is defined by a government in which jurisdiction the wind farm is located.
  • the system may include a list of species that it classifies as a “protected species.”
  • the species that are considered to be a protected species may be based on international treaties, non-governmental organizations, protection groups, industry experts, scientific studies, religious groups, other individuals, other organizations, or combinations thereof.
  • the birds, bats, or object may be first imaged at a distance from the wind turbine 100 greater than or equal to a distance R, and the decisions to curtail or not to curtail operation of the wind turbine 100 and to deploy or not to deploy deterrent measures may be made before the bird, bat, or object approaches closer than distance R to the wind turbine 100 .
  • the distance R is selected to provide sufficient time for operation of the wind turbine 100 to be curtailed before the detected bird or bat is likely to reach the volume swept by the wind turbine blades 105 , if the bird, bat, object is flying toward the wind turbine 100 at a speed characteristic of a protected species for which risk is to be mitigated.
  • a characteristic speed of a bird or bat species may be, for example, an average horizontal flight speed or a maximum horizontal flight speed.
  • the distance R may be selected, for example, to be greater than or equal to the distance that a bird or bat of the protected species for which risk is to be mitigated can fly at that species' known average horizontal flight speed in the time interval required to curtail operation of the wind turbine 100 .
  • the distance R may be selected for example to be greater than or equal to the distance that a bird or bat of the protected species for which risk is to be mitigated can fly at that species' known maximum horizontal flight speed in the time interval required to curtail operation of the wind turbine.
  • R may be determined for example using a characteristic speed of the fastest of the protected species for which risk is to be mitigated. Alternatively, a separate distance R may be determined for each protected species for which risk is to be mitigated.
  • the distance R may be measured for example from near the base of the wind turbine tower 110 as shown in FIG. 1 , from the wind turbine nacelle 115 , or from any other suitable location on the wind turbine or its support structure.
  • R may conveniently be measured from at or near the location of one or more optical imaging sensors (further described below) employed in the systems and methods, but this is not required.
  • R defines the boundary of a substantially hemispherical mitigation volume 120 around the wind turbine 100 . Similar protocols may be employed for determine the speed of approaching airborne objects.
  • Wind turbines with which the systems and methods of this disclosure may be employed may have tower 110 heights of, for example, about 60 meters to about 120 meters and blade 105 lengths of, for example, about 40 meters to about 65 meters. Rotation of the blades 105 of such wind turbines 100 may be reduced from a normal operating speed of, for example, about 6 to about 20 revolutions per minute (rpm) o about 1 rpm or less (e.g., to 0 rpm) in a time period (curtailment time) of, for example, less than about 20 seconds, or less than about 30 seconds.
  • rpm revolutions per minute
  • curtailment time a time period of, for example, less than about 20 seconds, or less than about 30 seconds.
  • a rotation speed of about 1 rpm or less for such wind turbines 100 may be deemed by regulatory authorities to pose an acceptable risk to government-protected bird and bat species.
  • Full curtailment to 0 rpm may be preferable and obtainable in these time intervals. While the above examples have been described with a specific type of windmill tower, any appropriate type of windmill tower may be used in accordance with the principles described in the present disclosure. For example, the tower height may exceed 120 meters and/or the blade length may exceed 65 meters. Further, the normal operating speed of the wind turbines and the curtailment speeds may be outside of the parameters described above. Also, the windmill's turbines may operate at the curtailment speeds for any appropriate amount of time.
  • Golden Eagles have an average horizontal flight speed of about 13.5 meters/second and Bald Eagles have an average horizontal flight speed of about 18.0 meters/second.
  • a value of R equal to about 800 meters would provide about 44 seconds in which to curtail the wind turbine 100 for a Bald Eagle and about 59 seconds in which to curtail the wind turbine 100 for a Golden Eagle.
  • a value of R equal to about 600 meters would provide about 33 seconds in which to curtail the wind turbine 100 for a Bald Eagle, and about 44 seconds in which to curtail the wind turbine 100 for a Golden Eagle.
  • R thus likely provide sufficient time in which to curtail operation of a wind turbine 100 to about 1 rpm or less (e.g., to about 0 rpm), and hence are likely suitable for mitigating risk to Golden Eagles and Bald Eagles using the systems and methods of the present disclosure.
  • the bird and bat risk mitigation systems of the present disclosure may include one or more optical sensors (e.g., digital cameras) 122 located on or near a wind turbine 100 , one or more bird, bat, and/or object deterrent systems 124 , one or more meteorological instrumentation 126 , and one or more controllers 123 in communication with the wind turbine 100 , the optical sensors 122 , meteorological instruments 126 , and the deterrent systems 124 .
  • the optical sensors 122 image birds and/or bats in flight near the wind turbine 100 and provide the images to the controller 123 .
  • the controller 123 may implement an algorithm that determines whether or not an imaged bird or bat is of one or more particular protected species requiring risk mitigation and whether or not the imaged bird or bat is approaching the wind turbine 100 . If the controller 123 determines that an imaged bird or bat is of a protected species for which risk is to be mitigated, and determines that the imaged bird or bat is approaching the wind turbine 100 or is likely to approach dangerously close to the wind turbine 100 , the controller 123 signals the wind turbine 100 to curtail operation, or signals the deterrent system 124 to deploy deterrent measures to deter the bird or bat from further approaching the wind turbine 100 , or signals the wind turbine 100 to begin curtailing its operation and signals the deterrent system 124 to deploy deterrent measures.
  • the controller 123 may determine that an imaged bird or bat is of one or more protected species requiring risk mitigation and is approaching the wind turbine 100 . While the bird or bat is still at a distance greater than R (defined above), the controller 123 may signal a deterrent system 124 to deploy a deterrent measure in an attempt to deter the bird or bat from further approaching the wind turbine 100 . If the controller 123 determines from further images from the optical sensors 122 that the bird or bat was successfully deterred from further approaching the wind turbine 100 , the controller 123 may then determine that it is not necessary to curtail operation of the wind turbine 100 .
  • the controller 123 may signal the wind turbine 100 or a wind farm operator to curtail operation.
  • the controller 123 may, for example, in addition control the deterrent system 124 to continue to deploy deterrent measures while the bird or bat is within a distance R of the wind turbine 100 . If operation of the wind turbine 100 is curtailed, after the controller 123 determines from further images from the optical sensors 122 that the bird or bat has left the proximity of the wind turbine 100 and is no longer at risk the controller 123 may signal the wind turbine 100 to resume normal operation and signal the deterrent system 124 to cease deploying deterrent measures.
  • the signals may be sent directly to a windmill to initiate either the deterrent operations or the curtailment operations.
  • the signals may be sent to an operator of the windmills where the signals provide information that can be used by the operator to decide whether to send commands to the windmill to initiate the deterrent system or the curtailment system.
  • these signals may include details about whether a criterion for determent or curtailment has been met.
  • the signal may include a message explaining a bird is within 600 meters of a particular turbine. In that situation, the operator may study the behavior of the bird through the cameras in the windfarm and decide whether to initiate the curtailment or determent operations.
  • the signal may include a message that includes a recommendation with the details about the criterion.
  • the operator can still decide whether to send commands to the turbine to execute the determent and/or curtailment operations.
  • the message may explain that a bird is within 600 meters of the turbine and is kiting-soaring with tis head down in hunting mode, which meets the curtailment prescription.
  • the signal may include a message that explains that a bird is within 600 meters of the turbine and is unidirectional flapping-gliding with its head up, which is interpreted to be in safer status and curtailment prescriptions are not met. In each of these situations, the operator may make the decision to take further action. But, in other examples, the signals may be sent directly to the windmills of interest without a human making a decision.
  • the system just described may employ deterrent measures and may curtail operation of a wind turbine to mitigate risk to a bird or bat of a predetermined protected species.
  • Other variations of such systems may be configured only to employ deterrent measures as described above and not to curtail operation of the wind turbine.
  • Yet other variations of such systems may be configured to curtail operation of a wind turbine as described above, but not to employ deterrent measures.
  • Optical sensors 122 employed in these systems may include, for example, one or more wide angle field of view (WFOV) cameras mounted with fixed fields of view for object detection and two or more high resolution cameras mounted to pan and tilt so as to be capable of tracking and identifying a bird or bat as it approaches or passes near the wind turbine 100 .
  • WFOV cameras may be arranged so that their combined fields of view provide 360 degrees of coverage in many directions around the wind turbine 100 .
  • the combined fields may include a spherical vision around the windfarm.
  • the cameras may have the ability to move to tilt upward, tilt downward, rotate, or otherwise move.
  • One or more additional WFOV cameras may be arranged with their fields of view pointed upward to provide, in combination with the other WFOV cameras, substantially hemispherical coverage as depicted in FIG. 1 in the mitigation volume (e.g. 120 ).
  • the tracking cameras may be arranged to enable tracking and identification of birds or bats in the combined field of view of the WFOV cameras.
  • the WFOV cameras may be configured to image birds or bats for which risk is to be mitigated at a distance greater than R (defined above), for example at a distance between about 600 meters and about 1000 meters, to provide at least a low resolution blob-like image of the bird or bat.
  • the WFOV cameras may additionally recognize other flying objects and have the capability of initially determining if the flying object is an animal or a non-living object.
  • the panning high resolution cameras are configured to image the detected birds or bats at a distance greater than R (e.g., between about 600 meters and about 1000 meters) with sufficiently high resolution to provide information on size, shape, color, flight characteristics, and/or other features by which it may be determined whether or not the imaged bird or bat is a member of a protected species for which risk is to be mitigated.
  • the panning high resolution cameras may be arranged (e.g., in pairs) with overlapping fields of view to provide stereoscopic imaging of the birds or bats from which the distance to the bird or bat and its speed and direction of motion (velocity) may be determined. While these examples have been described with specific detection distances, any appropriate detection distances may be used in accordance with the principles described in this disclosure.
  • the WFOV oprtional imaging sensors, the high resolution cameras, or the low resolution cameras may be able to capture images of the airborne objects at distances greater than a 1000 meters.
  • the high resolution camera can capture images of airborne objects in distances between 1000 and 10000 meters.
  • any suitable cameras or other optical imaging sensors 122 may be employed for the WFOV optical imaging sensors and the panning optical imaging sensors.
  • the optical imaging sensors may generate images from visible light, but the optical imaging sensors may additionally and/or alternatively be configured to image birds or bats at infrared wavelengths to provide images at night.
  • an optical sensor 122 includes one or more WFOV cameras arranged to provide general object or blob-like visual detection and two or more high resolution cameras arranged to provide stereoscopic imaging from overlapping fields of view to track birds or bats flying in the field of view of the WFOV cameras. Two or more such modules may be deployed on or around a wind turbine to provide the 360 degree coverage described above.
  • the meteorological instrumentation 126 may measure climate conditions to predict and/or identify the bird or bat or the behavior of the creature.
  • the meteorological instruments 126 may include at least one of a barometer, ceilometer, humidity detector, rain and precipitation sensor, visibility sensor, wind sensor, temperature sensor, and the like. Specific environmental and climate conditions may determine animal behavior. For example, wind speed and temperature conditions may affect bat feeding behavior.
  • the metrological instrumentation 126 may also collect seasonal information.
  • the controller 123 may be used to control bird and/or bat risk mitigation for the wind turbine.
  • the controller 123 may include, for example, a processor and associated memory and input/output ports or wireless receivers and transmitters configured to communicate with the wind turbine 100 , the optical sensors 122 , the meteorological instruments 126 , and the deterrent system 124 .
  • the controller 123 may be or include a programmable computer, for example.
  • the system may include a separate controller for each wind turbine. Alternatively, a single controller 123 may control risk mitigation for two or more wind turbines.
  • a controller 123 may be located on a wind turbine, or anywhere else suitable.
  • a controller 123 may communicate with its associated optical sensors 122 and wind turbine 100 (or wind turbines) wirelessly, or through optical or electrical cable for example.
  • the controller 123 may additionally tap into a fiber system associated with the wind tower 110 and wind farm.
  • the controller 123 may implement an algorithm in which it receives from the WFOV camera or cameras images in which it detects a bird or bat at a distance greater than R from a wind turbine 100 .
  • the controller 123 controls the one or more high-resolution tracking (e.g., pan/tilt) cameras to track the bird or bat and collect and analyze high resolution images from which the controller 123 determines the distance to the bird or bat, its speed and direction of travel, and its height above ground level.
  • the controller 123 may also determine from the high resolution images whether or not the bird or bat is of a protected species for which risk is to be mitigated (e.g., whether or not it is a Golden Eagle or a Bald Eagle).
  • the controller 123 may make the determination based on color, shape, size (e.g., wing span), flight characteristics (e.g., speed, wing motion and/or wing beat frequency), and/or any other suitable features of the bird or bat. If the bird or bat is a member of a protected species for which risk is to be mitigated and is approaching dangerously close to the wind turbine 100 or likely to approach dangerously close to the wind turbine 100 , the controller 123 signals the wind turbine 100 to curtail operation and/or signals a deterrent system 124 to deploy a deterrent measure as described above.
  • the controller 123 may continue to track the bird or bat with one or more tracking high-resolution cameras through the optical sensors 122 and collect and analyze images of the bird or bat from the one or more WFOV cameras and the one or more tracking high-resolution cameras until the bird or bat is no longer at risk from the wind turbine 100 . For example, until the bird or bat is sufficiently far from the wind turbine 100 (e.g., >R) and moving away from the wind turbine 100 . When the bird or bat is no longer at risk, the controller 123 signals the wind turbine 100 to resume normal operation.
  • the controller 123 may additionally receive information from the meteorological instruments 126 to help determine the behavior of the bird or bat.
  • the types of weather conditions collected by the meteorological instrumentation 126 may provide additional information to the controller 123 to determine if the bird or bat will undertake avoidance measures.
  • Wind speed and temperature conditions may be particular to bat feeding behavior.
  • Seasonal information may be indicative of migratory behavior.
  • Other factors may also be indicative of migratory behavior such as the nature of the airborne object's flight, flight patterns, other factors, or combinations thereof.
  • the controller 123 may use the additional information to make inferences on the behavior of the bird or bat. For example, a hunting bird or bat may be at higher risk for collision with a wind tower 110 . The hunting behavior may cause the creature to not notice the wind tower 110 and may create an increased risk. The controller 123 may initiate curtailment and deterrent system 124 sooner if a hunting behavior is detected. Alternatively, if the controller 123 determines the bird or bat is in a migratory or travel pattern, the controller 123 may delay curtailment and deterrence. The migratory and/or traveling creature may be more likely to notice the wind tower 110 and naturally avoid the structure.
  • the behaviors of the bird may be classified to assist in determining whether the birds are demonstrating hunting behavior, migratory behavior, other types of behavior, or combinations thereof.
  • Examples of behavior categories may include perching, soaring, flapping, flushed, circle soaring, hovering, diving, gliding, unidirectional flapping-gliding, kiting-hovering, stooping or diving at prey, stooping or diving in an agonistic context with other eagles or other bird species, undulating/territorial flight, another type of behavior, or combinations thereof.
  • Behavior and activity prevalent during predetermined intervals e.g. one minute intervals
  • the bird's behavior type can be predicted.
  • Deterrent system 124 may be configured to deploy bird and/or bat deterrents. This deterrents may include flashing lights and sounds to deter bird, bats or other animals. The deterrent system 124 may include lights, sounds, radio transmissions, or other types of signals inanimate airborne objects.
  • the WFOV cameras may detect and image birds that may be Golden Eagles or Bald Eagles at a distance of about 1000 meters or more from the wind turbine 100 .
  • one or more tracking high resolution cameras may begin tracking the bird at a distance of about 800 meters or more from the wind turbine 100 .
  • the controller 123 determines whether or not to curtail operation of the wind turbine 100 and/or whether or not to deploy deterrent measures, and accordingly signals the wind turbine 100 and/or the deterrent system 124 before the bird is closer than about 600 meters to the wind turbine 100 .
  • wind turbines in a wind farm may be individually curtailed and then returned to normal operation as a protected bird or bat for which risk is to be mitigated passes into and out of the individual wind turbine mitigation volumes.
  • the wind farm depicted in FIG. 3 includes wind turbines 100 a - 100 e , each having a corresponding mitigation volume 120 a - 120 e.
  • bird 10 for this example, a Golden Eagle
  • mitigation volume 120 b Before the bird 10 enters mitigation volume 120 b, it is identified as a Golden Eagle and wind turbine 100 b is instructed to curtail operation.
  • wind turbine 100 b is instructed to resume normal operation. Operation of wind turbine 100 d is then similarly curtailed, and then restored to normal after the risk to the Golden Eagle has passed. Operation of wind turbines 100 a, 100 c, and 100 e are not affected by passage of the Golden Eagle.
  • the systems mounted on the wind tower 110 may require a source of electricity to function.
  • the deterrent system 124 , controller 123 , optical sensors 122 , and meteorological instruments 126 may all be mounted on the wind tower 110 .
  • the systems may require electricity to properly function.
  • the electricity may be supplied in a multitude of ways.
  • the systems may tap into the wind tower 110 itself and draw electricity that is generated by the wind tower 110 .
  • the systems may be hardwired into an electrical grid which may provide a continuous power source.
  • the systems may additionally be solar powered.
  • the wind tower 110 may be equipped with solar panels which may fuel the systems or the solar panels may be mounted in a nearby location and may be wired to the systems to provide power. Additionally and/or alternatively, the systems may be battery-powered.
  • the systems may run on an independent power system such as a fuel cell or similar battery function.
  • the systems may draw a primary source of electricity from one of the sources mentioned herein and may draw back-up electricity from a battery.
  • the battery may be supplied by solar panels, the wind tower, and the like and may store excess energy for the systems to use when a main source of power is inadequate or non-functioning.
  • the battery may be located directly on the wind tower 110 or may be located at a nearby location and wired to the systems as appropriate.
  • the system may be powered by a small wind generator, the grid, a fuel cell generator, another type of generator, batteries, another type of power source, or combinations thereof.
  • the diameters of the mitigation volumes are shown as less than the spacing between wind turbines this need not be the case.
  • the mitigation volumes of different wind turbines in a wind farm may overlap.
  • some variations of the methods and systems just described employ two or more optical imaging sensor modules 125 attached to a wind turbine tower 110 at a height H above ground level.
  • Height H may be, for example, about 5 meters to about 30 meters, for example about 10 meters.
  • the optical imaging sensor modules 125 are arranged around the wind turbine tower 110 to provide a 360 degree field of view as measured in a horizontal plane perpendicular to the tower 110 .
  • the field of view may also include a vertical component so that the airborne objects located higher or lower than the cameras are also detected by the camera.
  • the cameras may be located at different heights or have an ability to tilt upwards or downwards.
  • optical imaging sensor modules 125 (The arrows shown emanating from the optical imaging sensor modules 125 schematically indicate a portion of their fields of view parallel to the tower 110 ).
  • the illustrated example employs four such optical imaging sensor modules 125 arranged around the tower 110 with a spacing of about 90 degrees between modules. Any other suitable number and spacing of such optical sensing modules 125 may also be used.
  • Each optical imaging sensor module 125 may include one WFOV camera and two tracking high resolution cameras arranged with overlapping fields of view to provide stereoscopic imaging and to track birds or bats flying in the field of view of the WFOV camera.
  • an additional optical imaging sensor module 130 may be located on top of the wind turbine 100 (e.g., attached to the top of the nacelle 115 ) with cameras pointed generally upward to provide visual coverage directly above the wind turbine 100 .
  • Optical imaging sensor module 130 may be identical to optical imaging sensor modules 125 .
  • optical imaging sensor module 130 may differ from modules 125 , for example, the optical imagine sensor module 130 may include additional WFOV cameras. Any other suitable arrangement of optical imaging sensor modules 125 , 130 may also be used.
  • Additional automated systems and methods may employ optical imaging technology similarly as described above to conduct bird and/or bat population surveys prior to or after construction of a wind turbine or wind turbine farm.
  • Such automated surveys may determine, for example, the populations or observations of the presence and movements of particular protected species of birds and/or bats (e.g., Bald Eagles and/or Golden Eagles) in an area in which a wind farm is to be constructed or has already been constructed.
  • a decision as to whether or not to construct a wind farm may be based or partially based on the results of such an automated survey.
  • a decision as to whether or not to install a risk mitigation system at a proposed or an existing wind farm, such as those described above for example may be based or partially based on such an automated survey.
  • Such systems and methods may be employed for onshore and/or offshore wind sites.
  • Such an automated bird and/or bat surveying system may include, for example, one or more WFOV cameras as described above, and two or more tracking high-resolution cameras arranged as described above to track birds or bats in the field of view of the one or more WFOV cameras.
  • the system may include one or more optical sensor modules 125 as described above.
  • the system may also comprise a controller, for example similar to controller 123 described above, in communication with the cameras.
  • the controller may implement an algorithm in which it receives from the WFOV camera or cameras images in which it detects a bird or bat.
  • the controller may then control the one or more high-resolution tracking (e.g., pan/tilt) cameras to track the bird or bat and collect and analyze high resolution images from which the controller determines whether or not the bird or bat is of a particular species of interest (e.g., a protected species for which risk is to be mitigated).
  • the controller may make that determination based, for example, on color, shape, size (e.g., wing span), flight characteristics (e.g., speed, wing motion and/or wing beat frequency), and/or any other suitable features of the bird or bat.
  • the controller may determine whether or not a detected bird is a Golden Eagle or a Bald Eagle.
  • the controller may for example record images of and information about the detected bird or bat on a hard drive or in other memory medium, or transmit such images and/or information to another device for storage.
  • the controller may for example count the number of instances in which birds or bats of the particular species of interest are detected.
  • a detection system may be individually installed on each wind tower.
  • a detection system 134 may be independently mounted in a wind farm 132 .
  • each detection system 134 may have its own tower, without any turbine blades, on which it is mounted.
  • the detection system 134 may be scattered throughout the wind farm 132 to provide comprehension detection coverage for birds and bats.
  • the detection system 134 may be strategically placed to provide maximum detection capabilities without the need of duplicative systems. This may reduce a cost associated with installing and maintaining the detection systems.
  • FIG. 8 there are five wind towers but only three strategically place detections system 134 .
  • An observation zone 135 coverage area 135 for each tower encompasses the entirety of the wind farm 132 .
  • the location of the detection system 134 may depend upon the location of a wind tower 110 , local topography, weather conditions, visibility conditions, and the like.
  • the local topography may determine where a detection system 134 may be mounted, the visibility surrounding the detection system 134 , and the like.
  • the detection system 134 may be placed to provide optimal vision of the wind farm 132 and the mitigation volume 120 surrounding each wind tower 110 .
  • the visibility may additionally or alternatively be determined by local manmade structures such as buildings, or natural features such as trees, hills, mountains, and the like.
  • the local topography may also dictate a mounting surface for a tower for the detection system 134 .
  • the detection system tower e.g. detection system tower 136 discussed with reference to FIG. 9
  • the topography may allow for the drilling, mounting, and interface of the tower to the earth's surface and may additionally dictate location of the detection system tower 136 .
  • Power and data connectivity may also influence the location of a detection system 134 .
  • the detection system 134 may be powered one of several ways.
  • the detection system 134 may use solar power, may tap into the wind tower electrical system, may use a battery such as a fuel cell or the like.
  • the detection system 134 may connect to a central database to one or more other detection systems.
  • the detection system may use a wired or wireless system to connect to the other portions of the system.
  • the type of connectivity may determine the location of the detection system 134 .
  • the detection system tower 136 may resemble wind turbine tower (e.g., wind turbine tower 110 , FIG. 1 ).
  • the height of the detection system column 138 may be at least 5 meters high. The height of the column 138 may vary depending upon the mounting location, visibility, and other factors discussed with reference to FIG. 8 .
  • the column 138 may include a mounting platform 140 which provide a stable surface for the detection system 134 .
  • Each tower 136 may include a detection system 134 with a series of low resolution and high resolution imaging systems.
  • the low resolution imaging system may include wide view lenses to provide 360 degree imaging coverage surrounding the tower 136 .
  • the number of low resolution imaging systems to accomplish this may vary. In one embodiment, six low resolution imaging systems may provide total coverage. In another embodiment, more or less low resolution imaging systems may be mounted to provide complete coverage.
  • the tower 136 may coordinate coverage with another tower 136 . Therefore, the individual tower may not have 360 degree coverage but, in combination with an array of detection system towers 136 , the entire wind farm (e.g., wind farm 132 ) may be covered with image capturing devices.
  • Each tower 136 may additionally include at least one high resolution imaging system.
  • multiple high resolution imaging systems may be mounted.
  • the number of high resolution imaging systems individually mounted on the tower 136 may depend upon the location of the tower 136 in relation to other detection system towers 136 and the wind farm 132 in general.
  • the high resolution imaging system may include stereoscopic technology. Stereoscopic technology may combine the use of multiple photographs of the same object taken at different angles to create an impression of depth and solidity.
  • the high resolution imaging system may use at least two high resolution cameras mounted on a single tower, or may combine imagines from multiple detection system towers to provide the same or similar information.
  • the stereoscopic technology may provide a better image of a bird or bat which may provide more efficient recognition capabilities.
  • the recognition capabilities, as described previously, may include species of animal, status of animal (i.e., hunting, migrating, traveling, etc.), geographic location, altitude of animal, speed, flight direction, and the like.
  • the high resolution imaging system may include a pan and/or tilt configuration.
  • the low resolution imaging system may detect a moving object within a predetermined distance from the wind farm 132 .
  • the high resolution imaging system may use a pan and/or tilt configuration to isolate the moving object and gather data concerning the object to categorize it.
  • the moving object may be a leaf or other nonliving object.
  • the moving object may be a living creature and may be positively identified.
  • the pan and/or tilt feature of the high resolution imaging system may enable more precise images of the object to be captured for further clarification.
  • the high resolution imaging system may maneuver to gain a better image of the object, track the object if the object is moving, and the like.
  • the pan/tilt may allow near 360 motion of the high resolution camera such that the camera is able to capture images of objects within an observation zone 135 surrounding the tower 136 .
  • the high resolution imaging systems may be equipped with additional capabilities such as a range finder, a radar system, and the like. The additional capabilities may provide more information for potential mitigation efforts.
  • the tower 136 may additionally include meteorological instruments and equipment.
  • the meteorological equipment may measure climate conditions to predict and/or identify the bird or bat and the state of the animal.
  • the meteorological instruments and equipment may include barometers, ceilometers, humidity detectors, rain and precipitation sensors, visibility sensors, wind sensors, temperature sensors, and the like. Specific environmental and climate conditions may determine animal behavior. For example, as mentioned previously, wind speed and temperature conditions may affect bat feeding behavior. Seasonal information may also be gathered to help determine animal behavior. A migratory bird is more likely to be seen in the spring and in the fall than in the middle of the winter and/or summer.
  • a tower 136 may be equipped either additionally and/or alternatively with wide view imaging systems.
  • the wide view imaging systems may be equipped with a view range between 180 and 90 degrees, and sometimes closer to 120 degrees.
  • the wide view imaging systems may be mounted on a periphery of the wind farm 132 to provide an initial view of birds or bats prior to the animals entry to the wind farm 132 and/or mitigation volume surrounding the wind tower (e.g. mitigation volume 120 surrounding wind tower 110 ).
  • the wide field tower systems may triangulate between each other to positively capture the field and provide more substantive information to high resolution imaging systems. This type of system may reduce the need for repetitive detection systems and allow a wind farm 132 to provide safe passage for flying animals without undue cost.
  • the wide field tower systems may additionally use multiple images from multiple towers to determine a location of the flying object and a distance from any of the cameras. For example, by using multiple images, a controller and/or computer system may generate a stereoscopic image which enable the computing device to determine a distance from the flying object to the camera system.
  • a high resolution camera may zoom in on the flying object.
  • the high resolution camera may be enabled with a tilt, zoom, rotatable mounting device, and the like.
  • the high resolution camera may rotate and tilt until it is able to capture an image of the flying object.
  • the computing device may automatically initiate the high resolution camera to move appropriately to capture the flying object or a person may use the information to command the camera.
  • the high resolution camera may capture an image of the flying object.
  • the image captured by the high resolution camera may be a higher quality, for example, the image captured by the high resolution camera may contain more pixels than the images captured by the wide view cameras.
  • the higher resolution images may enable the computing device and/or a scientist or other personnel to determine characteristics of the flying object.
  • the image may provide information pertaining to the color, size, shape, behavior, and the like. If the flying object is an animal, the characteristics may enable a classification of the object. Alternatively, if the flying object is not an animal, the characteristics may enable personnel and/or a computing device to determine if the flying object poses a threat to the wind farm.
  • This system may enable a cost savings over traditional systems.
  • Wide field view cameras may spot objects further away and have a greater viewing periphery enabling fewer cameras to be used.
  • the high resolution cameras may be intermittently mounted within the wind farm to provide high resolution coverage. This may reduce the total amount of high resolution cameras. Therefore, this system may reduce the capital required to provide 360 degree photographic coverage of the wind farm by requiring less hardware in the form of camera systems.
  • the fewer camera systems mounted within a wind farm may also reduce the amount of supporting network, further enabling cost savings.
  • FIGS. 10A-10E are exemplary representations of a graphical user interface (GUI).
  • GUI graphical user interface
  • the GUI may allow a person to interact with the smart detection system. The person may monitor the actions taken by the system and/or override decisions and enter decisions as necessary to provide the safety of a bird or bat and/or to prevent damage to the wind farm.
  • the GUI may be produced by an application program operating on a computing device.
  • the computing device may have at least one display device associated therewith. In some embodiments, the computing device may be associated with multiple display devices.
  • the application may produce an application program window on the display device. In some embodiments, the application program window may be generated by the application program operating on the computing device.
  • the application program window may display the GUI, which communicate select types of information to a view of the GUI.
  • the computing device may be connected to a remote server over a network.
  • the network may be a cloud computing network.
  • the network may additionally include other networks which work to connect multiple computing devices, servers, and the like.
  • the remote server may be a cloud server or a dedicated server onsite at the physical location of the wind farm.
  • the GUI may represent one wind farm, or may optionally be connected to multiple wind farms and may alternate or have the ability to alternate between at least a first and second wind farm.
  • a person such as a scientist
  • the GUI may provide the scientist with the option of overriding or updating information pertaining to events.
  • the GUI may additionally provide a summary of the wind farm such as name, location, potential species that may be encountered, etc. If multiple wind farms are accessible, the GUI may automatically switch to a wind farm when an event is generated.
  • the GUI may switch between each event location or a second event may be directed to a second GUI.
  • a first scientist may view a first event
  • a second scientist may view a second event, and the like.
  • the application program which displays the graphical interface may be able to automate the mitigation process.
  • the application program may classify the flying object and automatically partake in mitigation and/or deterrent activities as necessary.
  • the application program may not be accurate.
  • Personnel interfacing with the application program through the GUI may override the application program.
  • the personnel may update and/or correct a classification of the flying object and/or behavioral characteristics of the flying animal.
  • FIG. 10A depicts an exemplary representation of the GUI 142 for a smart detection system.
  • the GUI 142 may display a wind farm 132 .
  • the wind farm 132 may include an individual representation of each wind tower 110 . If the system is using a cluster smart detection system, the location of the smart detection systems may also be displayed.
  • the GUI 142 may provide labels for each individual wind tower and smart detection system and may include any meteorological information.
  • FIG. 10A shows a wind speed and direction 144 .
  • the GUI may additionally display other meteorological information such as weather conditions (i.e., rain, snow, sleet, etc.) and the like. If a storm front is moving through the region, the storm type may be displayed as well (i.e., hurricane, tornado, blizzard, derecho, etc.).
  • FIG. 10B depicts an exemplary representation of an airborne object sighting. If an object 146 is detected, the screen border 148 may change color to provide a visual alert to an operator. The object 146 may then appear on the GUI 142 displaying a representative size and direction. The GUI 142 may additionally identify a sector the object 146 is traveling in and speed 155 . The object 146 sighting may generate an event which may be recorded. A date and time of the event may be displayed 152 . A secondary image 154 may appear which may provide visual representation of the flying object. The visual representation may be still images or may be video images. The secondary image 154 may appear on a second screen or may appear as a secondary image on the first screen.
  • FIG. 10C depicts an exemplary representation of classification of an object 146 and mitigation activities.
  • the classification 156 of the object 146 may be depicted on the display.
  • the travel information 150 may also be updated as necessary.
  • the object is classified as a golden eagle and is continuing to travel along NW, DRIFT NE @3M/S. If mitigation activities are activated, the activities 158 may additionally be displayed on the screen.
  • the golden eagle is heading towards wind tower T 2 and T 3 , therefore, the mitigation activities 158 displays curtailment prescribed at these towers 110 .
  • FIG. 10D depicts an exemplary representation of the GUI 142 tracking the object 146 in a real time event.
  • the travel direction of the golden eagle has changed as depicted both visually on the screen and in writing.
  • the secondary image 154 of the golden eagle may provide additional behavioral information on the bird.
  • the golden eagle may have changed its behavior from a hunting mode to an aware flight mode. This may indicate the golden eagle has become aware of the surroundings and may be exiting the wind farm.
  • FIG. 10E depicts an exemplary representation of the GUI 142 tracking of the object 146 in a real time event.
  • the golden eagle has exited the wind farm.
  • the alert color of the border 148 may be downgraded from a red color to a yellow color as active monitoring is occurring.
  • the event may still be recorded after the golden eagle has exited the wind farm and may continue to be recorded until the golden eagle is beyond a secondary safe zone. When this occurs, the event may be concluded and all information recorded. If the golden eagle returned, a new event would be created and tracked.
  • FIG. 11 is a flow diagram of a method 200 of a potential mitigation effort of a flying animal.
  • a single detection system may perform all the steps, or, in some embodiments, an array of detection systems may perform the steps, or some combination thereof.
  • a central database and/or cloud computing system may perform some of the steps of the method 200 .
  • the method 200 may provide a user interface to interact with a person who may interface with the computing system to initiate steps.
  • the method 200 may detect a flying object.
  • the flying object may be detected by one of the low resolution camera systems.
  • multiple detection systems may detect the flying object.
  • the detection of the object by the low resolution by activate one or more high resolution imaging systems to capture the flying object.
  • the low resolution camera systems may be fixed systems that capture a predetermined area surrounding a detection system tower and/or wind tower.
  • the wind farm may be equipped with wide view imaging systems. The wide view imaging systems may allow fewer low resolution cameras to be used while still providing complete image data capture ability of the wind farm.
  • the high resolution imaging systems may use multiple techniques to classify the object.
  • the high resolution imaging system may use single images to classify the object.
  • the method 200 may additionally use multiple high resolution imaging systems to classify the object.
  • the multiple imagines may be combined to form a stereoscopic image which may increase the accuracy of classifying the object and behavior.
  • Individual high resolution imaging systems may transfer their image information to a central database such as a cloud server for identification.
  • the method 200 may additionally transmit other information collected by the detection systems such as radar information, meteorological information, and the like.
  • the radar information may be collected using a radar system proximate a high resolution camera.
  • the radar may provide accurate location data regarding the flying object to ensure appropriate mitigation activities are undertaken.
  • the meteorological information may include meteorological data points collected through one or more meteorological instruments proximate an image system. All of the information collected by the systems may be streamed to a server, such as a cloud server, as the information is gathered.
  • the cloud server may compile all of the information and transmit the information to a cloud server.
  • the information may enable a cloud server to make a positive classification.
  • the cloud server may use a user interface to provide the classification and detection information to a person such as a scientist for further analysis.
  • the person may have the ability to correct information of classification and behavior.
  • the classification may include type of species, protected status, behavioral status, and the like.
  • the cloud server may additionally be able to identify a travel trajectory of the flying object and a travel speed. These data points may aid in potential mitigation should the flying object approach a wind farm.
  • the method 200 may determine if the object requires monitoring.
  • a flying animal may require monitoring if the flying animal meets a threshold classification.
  • the threshold classification may include protected and/or endangered species of animals.
  • the monitoring may track the movements of the animal which may enable a mitigation efforts to prevent injury and/or death to the flying animal.
  • the object may require monitoring if the object could damage a wind turbine.
  • a large unmanned air vehicle (UAV) may have the potential to cause damage to a wind tower and may require monitoring.
  • the wind farm may continue its standard operation.
  • An object may not require monitoring if it does not meet a threshold classification, a threshold location, does not pose a threat to the windfarm, and the like.
  • a threshold location may include a predetermined distance from the wind and/or a travel trajectory and speed.
  • the flying object may include a flying animal that was captured by the detection system but is traveling away from the wind farm or is traveling at a trajectory that will not encounter the wind farm.
  • the method 200 may include saving the data relating to the detection event.
  • the data may be saved to a local server or may be stored on a cloud server.
  • the detection event data may provide historical information for the wind farm, may provide information if a mishap occurs, such as the death of a threshold animal, damage to the wind farm, and the like.
  • the detection event data may additionally be used for capturing information pertaining to the wind farm and generating daily, monthly, annual reports, and the like.
  • the reports may provide insight into the location of the wind farm. For example, if the detection system is set up as an initial matter before the installation of a wind farm, the detection event information may provide information to determine exact location of wind towers and/or if the location is suitable for a wind farm. If the detection system is set up before a wind farm, the location of wind towers may be simulated such that the server may run a simulated wind farm to determine whether the flying object may enter the proposed location of the wind farm.
  • the method 200 may monitor the flying object. This may include monitoring the movement of the flying object.
  • the movements may be monitored by a single system or by a plurality of systems such as an array of detection systems. Monitoring the movement may include monitoring the trajectory and travel speed of the flying object, the location within the wind farm, and the like.
  • the flying object may also be monitored to determine if a status of the object has changed. For example, a raptor may be hunting but may change its behavioral status to traveling upon realization of the wind turbines.
  • Part of monitoring the flying object may be, at block 235 , determining if the object is approaching and/or entering a wind farm and/or a mitigation volume surrounding a wind turbine. If the flying object is approaching the wind farm, at block 240 , the method 200 may activate mitigation standards.
  • the mitigation standards may include terminating blade functionality of a wind tower and/or activating deterrent technology.
  • the blade functionality may include reducing the blade speed to 0 RPM or an alternative safe spinning speed.
  • the deterrent technology may include flashing lights and/or noises to scare the flying object away from the wind towers.
  • a single wind tower may perform this functionality alone, or may work in conjunction with an array of detection systems and wind towers to complete the process.
  • the method 200 may continue to monitor the movements of the flying object. If the flying object does not exit the wind farm, at block 250 , the method 200 may continue mitigation standards and continue to monitor the flying object until the object exits the wind farm. If, at block 245 , the method 200 detects the object exiting the wind farm, the method 200 , at block 220 , may continue standard operation of the wind farm and, at block 225 , save the data from the event. Saving the information may include generating an event log of the flying objects journey through the wind farm. This may include classification of the object, initial behavior and any behavioral changes, trajectory, travel speed, quantity if there is more than one, and the like. The information may additionally include any mitigation efforts. The mitigation efforts may include detailed information of wind turbine curtailment.
  • the curtailment may include a location of the flying object when the curtailment was initiated, the details of curtailment (curtailment to zero or to a reduced speed), resumption of operation, and the like. Mitigation efforts may additionally include any deterrent methods such as flashing lights or noises initiating to deter a flying object from entering the wind farm or approaching a wind turbine.
  • the event information may further include a time and date of the event and if any override procedures were enacted. For example, a computer may have misclassified the object or its behavior and a person may have overridden the classification. Similarly, the computer may have either initiated or not initiated curtailment or deterrent procedures when personnel may have deemed it necessary and manually requested the mitigation procedures. All of the event information may be stored on a server.
  • the server may be a local server, a cloud server, or some combination thereof.
  • FIG. 12 depicts an example of a method 300 pertaining to a detection system.
  • the method 300 includes monitoring 302 an airborne object, determining 304 whether the airborne object is entering or already within the protected space, performing 306 behavior assessment of the airborne object, categorizing 308 the airborne object's behavior, determining 310 whether the behavior is high risk, determining 312 whether the behavior meets a criterion, and sending 314 a command to execute a mitigation protocol.
  • the airborne object is monitored.
  • the airborne object is spotted through a low resolution camera, a high resolution camera, a plurality of cameras, or combinations thereof.
  • the airborne object is monitored with other types of equipment besides just cameras.
  • the airborne object may be monitored with the use of microphones, radar systems, distance cameras, thermal sensors, other types of equipment, or combinations thereof.
  • the system determines whether the airborne object is entering the protected space or is already in the protected space. If the airborne object is not in the protected space, the system continues to monitor the airborne object. On the other hand, if the airborne object is either entering the protected space or is already in the protected space, the airborne object's behavior is analyzed.
  • the airborne object's behavior is analyzed.
  • the system may take note about the bird's flying characteristics, such as whether the bird is soaring, gliding, flapping, and so forth. Also, the system may take notice of whether the bird's head is up or down. Further, the system may take note of any behavior that may indicate whether the bird is hunting, migrating, performing another type of activity, or combinations thereof.
  • the behavior of the airborne object is categorized.
  • the categories may include details that help the system determine whether the bird vulnerable to be injured or killed by the wind farm.
  • Such categories may include a hunting category, a migrating category, another type of category, or combinations thereof.
  • Such categories may include subcategories that give more detail that describes the bird's behavior.
  • the system determines whether the airborne object's behavior is a high risk.
  • the system may make this determination based on historical trends attributed to the assigned category described above. Further, more than just the airborne object's behavior may be analyzed. For example, the weather conditions, operational status of the wind farm, environmental conditions, the airborne objects direction of travel, and other types of factors may be analyzed to determine whether there is a high risk that the airborne object will be injured, killed, damaged, destroyed, or combinations thereof. If the risk is low, then the system may continue to monitor the airborne object. On the other hand, if the risk is high, the system determines whether the airborne object's behavior meets a criterion associated with activating the mitigation system.
  • the system determines whether the airborne object's behavior meets the criterion. In this case, if the airborne object's behavior does not meet the criterion, the system will repeat portions of the method beginning at determining again whether the airborne object is still in the protected area. On the other hand, if the airborne object's behavior does meet the criterion, a command may be sent to at least one of the windmill towers to initiate a mitigation procedure.
  • a command is sent to at least one of the windmill towers to initiate a mitigation procedure/curtailment procedure.
  • a signal may be sent to an operator whether the operator decides whether to initiate a curtailment procedure, a determent procedure, or another type of mitigation procedure.
  • a command signal is sent directly to at least one windmill tower to initiate the selected procedure without human involvement.
  • any appropriate wind farm may be used in accordance with the principles described herein.
  • just some of the towers in the wind farm may include turbine blades.
  • the other towers in the wind farm may be dedicated to other purposes.
  • at least one tower may be included in the wind farm that is dedicated to just airborne object detection.
  • This type of tower may include a high resolution camera, a low resolution camera, another type of camera, or combinations thereof.
  • each of the towers in the wind farm are equipped with wind turbines.
  • each of the wind towers are equipped with camera, but in other examples a subset of the wind towers include cameras.
  • a server may be incorporated in any appropriate tower, such as a dedicated airborne object detection tower, a wind tower, or other type of tower.
  • the server is not located in the wind farm, but is in wireless communication with the towers in the wind farm.
  • the risk mitigation may involve determent systems such as employing lights and sounds to cause airborne animals to leave the wind farm.
  • the mitigation system may include curtailment procedures where the turbine speed is reduced and/or stopped.
  • the airborne object may be disabled through electromagnetic mechanisms, lasers, jamming signals, guns, projectiles, other types of mechanisms, or combinations thereof.
  • the protected areas have been described as wind farms, any appropriate type of wind farm may be used in accordance with the principles described in the present disclosure.
  • the protected area may include an airport, a prison, a stadium, a research facility, a building, a solar farm, a developmental area, an area of interest, a construction site, a national monument, a national park, another type of protected area, or combinations thereof.

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US14/829,465 US20160055399A1 (en) 2014-08-21 2015-08-18 Graphical display for bird or bat detection and identification
AU2015305467A AU2015305467A1 (en) 2014-08-21 2015-08-19 Graphical display for bird or bat detection and identification
CA2958857A CA2958857A1 (fr) 2014-08-21 2015-08-19 Affichage graphique pour detection et identification d'oiseaux ou de chauve-souris
PCT/US2015/045950 WO2016028925A1 (fr) 2014-08-21 2015-08-19 Affichage graphique pour détection et identification d'oiseaux ou de chauve-souris
EP15834059.6A EP3183604A4 (fr) 2014-08-21 2015-08-19 Affichage graphique pour détection et identification d'oiseaux ou de chauve-souris

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US14/829,439 Active US9856856B2 (en) 2014-08-21 2015-08-18 Imaging array for bird or bat detection and identification
US15/384,550 Active US9816486B2 (en) 2014-08-21 2016-12-20 Bird or bat detection and identification for wind turbine risk mitigation
US15/787,087 Active 2036-11-02 US10883473B2 (en) 2014-08-21 2017-10-18 Bird or bat detection and identification for wind turbine risk mitigation
US15/816,352 Active US10519932B2 (en) 2014-08-21 2017-11-17 Imaging array for bird or bat detection and identification
US16/692,193 Active US10920748B2 (en) 2014-08-21 2019-11-22 Imaging array for bird or bat detection and identification
US17/137,170 Active 2036-02-20 US11555477B2 (en) 2014-08-21 2020-12-29 Bird or bat detection and identification for wind turbine risk mitigation
US17/164,395 Active 2035-10-01 US11751560B2 (en) 2014-08-21 2021-02-01 Imaging array for bird or bat detection and identification
US18/085,227 Active 2035-10-14 US12048301B2 (en) 2014-08-21 2022-12-20 Bird or bat detection and identification for wind turbine risk mitigation
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US15/787,087 Active 2036-11-02 US10883473B2 (en) 2014-08-21 2017-10-18 Bird or bat detection and identification for wind turbine risk mitigation
US15/816,352 Active US10519932B2 (en) 2014-08-21 2017-11-17 Imaging array for bird or bat detection and identification
US16/692,193 Active US10920748B2 (en) 2014-08-21 2019-11-22 Imaging array for bird or bat detection and identification
US17/137,170 Active 2036-02-20 US11555477B2 (en) 2014-08-21 2020-12-29 Bird or bat detection and identification for wind turbine risk mitigation
US17/164,395 Active 2035-10-01 US11751560B2 (en) 2014-08-21 2021-02-01 Imaging array for bird or bat detection and identification
US18/085,227 Active 2035-10-14 US12048301B2 (en) 2014-08-21 2022-12-20 Bird or bat detection and identification for wind turbine risk mitigation
US18/226,152 Pending US20240057583A1 (en) 2014-08-21 2023-07-25 Imaging array for bird or bat detection and identification

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US20170101980A1 (en) 2017-04-13
US20160050889A1 (en) 2016-02-25
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