WO2013072632A1 - Procédé et dispositif d'effarouchement acoustique d'espèces aviaires, en particulier pour un aéronef - Google Patents
Procédé et dispositif d'effarouchement acoustique d'espèces aviaires, en particulier pour un aéronef Download PDFInfo
- Publication number
- WO2013072632A1 WO2013072632A1 PCT/FR2012/052635 FR2012052635W WO2013072632A1 WO 2013072632 A1 WO2013072632 A1 WO 2013072632A1 FR 2012052635 W FR2012052635 W FR 2012052635W WO 2013072632 A1 WO2013072632 A1 WO 2013072632A1
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- WO
- WIPO (PCT)
- Prior art keywords
- signals
- acoustic
- sequence
- aircraft
- distress
- Prior art date
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Classifications
-
- 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
Definitions
- the present invention relates to a method and an apparatus for acoustic scaring avian species.
- Such a device is intended to remove, by the generation of acoustic signals, avian species of sensitive areas of human activity.
- the present invention can be applied more particularly to the acoustic scaring of avian species on an airport domain, from a system operated on the ground or from an onboard system on an aircraft, for limit avian collisions with aircraft.
- Acoustic scaring devices are devices that produce sounds intended to frighten birds.
- Document FR-2,599,175 discloses a method for synthesizing sounds corresponding to animal calls, which are used by scaring devices.
- the digital signals broadcast in this case belong to two categories: distress signals and nuisance signals, used separately.
- the distress signals currently used at airports in France and in Europe are high-intensity alarm signals that cause birds to approach the sound source, followed immediately by dispersal of the birds away.
- the signals of discomfort correspond, as for them, to an acoustic "barrier" causing a hearing discomfort preventing the arrival of birds in a certain area.
- distress-based scaring devices currently in use are ineffective on many European species, such as raptors (which cause more than 30% of collisions), but also on non-European species (South America, Asia and Africa).
- South America, Asia and Africa are expected to be subject to increased air traffic, which is expected to significantly increase the risk of avian collisions with new species in these areas.
- the present invention aims to overcome the aforementioned drawbacks. It relates to a method of acoustic scaring avian species, which is particularly particularly effective.
- step a) this acoustic sequence is emitted in the form of acoustic waves, it is remarkable that in step a), the repetition of a combination of at least three categories of synthesis signals is generated in the same acoustic sequence; different, including signals raptor alarms, interspecific distress signals and flight signals of different species.
- said acoustic sequence consists of synthesis signals containing alarm, distress and flight information. By synthesizing these signals, only the useful information (alarm, distress, and flight) is kept, as specified below. These signals therefore do not correspond to simple synthesized copies of natural signals.
- the present invention provides for the diffusion within the same acoustic sequence of three (at least) signal categories, the particular sequence of which gives rise biologically to an increase in the stress state of the birds, as specified below.
- This combined signaling results in faster, more intense and more efficient behavioral responses (in terms of speed of flight and dispersion in the distance) than for the specific signals currently used alone, and is effective against a number of much higher avian species.
- the method according to the present invention therefore provides a sequential sequence of synthetic acoustic signals, which is effective on a large number of birds.
- it can be used to scare birds from areas where their presence is harmful or dangerous for human activities, particularly in airport areas.
- acoustic scaring signals ie successively raptor alarm signals, interspecific distress signals and flight signals of different species
- This combination of acoustic scaring signals is more effective qualitatively (flight, dispersion ), and especially quantitatively (many more species are potentially frightened with the combination) than the usual solutions.
- the signals used in the sequence are constructed by acoustic synthesis on natural signal models, which makes it possible to conserve and amplify their biological alarm value.
- - raptor signals are synthetic distress signals of black kite
- - interspecific signals are distress signals synthesized from the common characteristics of the natural distress signals of starlings, lapwings, corvids and laridae;
- said sequence has a predetermined duration, for example one minute, during which each category of signals is broadcast during the same time, for example a few seconds, the intended signal categories being successively broadcast in a loop.
- the present invention provides a particular combination order that allows to scare with a single sequence the maximum number of species, without necessarily having to identify them.
- the present invention also relates to a device for acoustic scaring of avian species, comprising means for transmitting an acoustic sequence in the form of acoustic waves.
- said device is remarkable in that said transmission means emit an acoustic sequence comprising the repetition of a combination of at least three different signal categories, including raptor alarm signals, interspecific distress, and flight signals from different species.
- said device may also include remote triggering means for transmitting an acoustic sequence.
- the device according to the invention which comprises:
- emission means of this acoustic sequence in the form of acoustic waves
- the transmitting means may be a device provided on the ground, with transmitting means mounted fixed or movable, or a device on board an aircraft.
- the scaring device is independent of the local airport facilities, and can therefore be used on airports without scaring and bird control equipment.
- the present invention further relates to an aircraft, in particular a transport aircraft, which comprises a device such as that mentioned above.
- the transmission means (loudspeakers) are arranged at the level of the landing gear before the aircraft so as to:
- the acoustic scaring device is thus used in the same flight phases as those for which the landing gear is out. It therefore has no negative aerodynamic impact on the rest of the flight, once the landing gear has returned.
- This acoustic scaring device can be a device independent of the aircraft.
- said device is part of a conventional ground alert system, which equips the aircraft.
- Figure 1 shows, in a schematic view, a device according to the invention, in a particular application.
- Figure 2 is a graphical representation for specifying a preferred combination of signals.
- the device 1 according to the invention and diagrammatically shown in FIG. 1 is an acoustic scaring device for avian species.
- This device 1 aims to remove by the generation of acoustic signals of avian species of sensitive areas of human activity.
- the device 1 can be used more particularly for scaring avian species on an airport field, while being operated on the ground or while being on board an AC aircraft, in particular a transport aircraft, to limit bird collisions with the aircraft, as shown by way of illustration (not limiting) in FIG.
- said device 1 comprises:
- means 2 for storing and managing an acoustic sequence used, specified below;
- means 3 at least one loudspeaker which are connected via an (electrical) link 6 to said means 2 and which are formed in such a way as to emit this acoustic sequence, in the usual way, in the form of acoustic waves;
- means 4 for triggering such an emission which are connected via an (electrical) link 5 to said means 2.
- said transmission means 3 emit an acoustic sequence comprising the repetition of a combination of at least three categories of different signals, including raptor alarm signals, interspecific distress signals, and signals. flight of different species.
- This acoustic sequence consists of synthesis signals containing alarm, distress and flight information. In these synthesized signals, only useful information (alarm, distress, and flight) is kept.
- the device 1 provides for the diffusion within the same acoustic sequence of at least three signal categories, the particular sequence of which gives rise biologically to an increase in the state of stress of the birds, as specified above. below.
- This combined signaling leads to faster, more intense and more efficient behavioral responses (in terms of the speed of flight and dispersal in the distance) only for the specific signals currently used, and is effective against a much higher number of bird species.
- the signals used in the sequence are constructed by acoustic synthesis on natural signal models, then recorded on a usual storage means (not shown) of said means 2.
- a construction by acoustic synthesis allows the signals to retain their biological alarm value while removing non-informative intra-signal noises.
- the present invention also provides a particular order of combination (i.e. successively raptor alarm signals, interspecific distress signals and flight signals of different species) which allows (in connection with the choice of these signals) scaring with a single sequence the maximum number of species around the world, without necessarily having to identify them.
- said sequence has a predetermined duration, for example one minute, during which each category of signals is broadcast during the same time, for example a few seconds, the various categories of signals being diffused (successively) in a loop (during this time). predetermined duration).
- each signal is interpreted by the different avian species as a warning of imminent danger, it is also the particular sequence that biologically causes an increase in the stress state of the birds, leading them to leave. quickly the zone of emission.
- incorporation of raptor signals decreases the approach and makes dispersion faster.
- nonspecific flight signals ie wing noises
- the behavioral response to the combined signals is therefore more intense and more efficient than similar specific signals currently used alone. It has been found that flight rates, dispersion and the proportion of birds that are frightened following the broadcast of the combined signals are greater than those observed during distress signal broadcasts used alone.
- FIG. 2 comprises three graphs G 1, G 2 and G 3 illustrating , respectively, a time-amplitude representation, an amplitude-frequency representation and a time-frequency representation of the preferred combination of the signals used, the time being expressed in seconds (s), the frequency in kilohertz (kHz) and the amplitude in volt (V).
- the combinatorial signal lasts one minute: during this minute two raptor signals S1 A and S1 B are broadcast for four seconds, followed by six interspecific signals S2 of four seconds, followed by S3 noises of wing beats of four seconds, and thus immediately until the end of the minute. This signal may last longer (that is to say, be repeated) if it is deemed useful, for example so as to be transmitted during an entire flight phase of an aircraft AC if the device 1 is embarked on an aircraft AC.
- - Raptor signals S1 A and S1 B are synthetic distress signals of black kite.
- the frequency band of these signals ranges from 2.4 kHz to 10 kHz. This is a complex signal comprising harmonics and a fundamental fundamental frequency of 2.6 kHz with a frequency modulation of 1.25 kHz over 0.02 seconds;
- the interspecific signals S2 are distress signals synthesized from the common characteristics of the natural distress signals of the starlings, lapwings, corvids and laridae.
- the frequency band of these signals ranges from 850 Hz to 9.5 kHz. This is a complex signal comprising harmonics and a fundamental fundamental frequency of 1 kHz with an increasing frequency modulation of 350 Hz over the entire signal of 0.42 seconds; and
- flight signals S3 are beats of wings of dolphins. This is pulsed noise (80 pulses in 4 seconds). These broadband frequency pulses (from 100 Hz to 7 KHz) come from syntheses of wing noise emitted by more than three individuals.
- the particular order of combination considered allows (in connection with the choice of these signals) to scare with a the only sequence the maximum number of species around the world, without necessarily having to identify them.
- This order of diffusion of the signals in the sequence is of great importance: the sequence has a biological significance.
- the animals first receive alarm information (putting them on alert for coming from a predator and in a state of stress), then distress information indicating that one or more individuals have been captured (increasing the state of stress) and finally flight information urging them to immediately leave the broadcast area of the signals.
- This particular order of succession of signals has the effect of considerably increasing the state of stress of the birds and to scare away a maximum of different species, even species (pigeons, ibis for example) for which the alarm signals or distress broadcast alone by conventional scaring systems had no effect.
- the acoustic signals constituting the sequence are absolutely not natural signals of alarm, distress and flight (emitted by the birds), but signals entirely manufactured by computer acoustic synthesis. These signals simply borrow and respectively from the natural signals a coding of the information type alarm, distress and flight at the level of the frequency and spectral modulations. These synthesis signals are freed of non-coding noises within signals of natural signals. As a result, these synthetic signals are more effective in terms of scaring than the corresponding natural signals (dispersion of birds more intense and further). In addition, with respect to natural signals, the intensity levels of the higher harmonic frequencies have been enhanced, which makes them more penetrating and able to propagate further, thus increasing their signal-to-noise ratio and their range. distance efficiency; and
- the synthetic signals provided for in the sequence are much more interspecific than the natural signals, since it is possible to use them to construct the codes common to a very large number of bird species (more than fifty species for example) both at the level of the alarm information as distress information.
- additional (auxiliary) signals are introduced into said sequence that are effective with respect to a given bird species.
- said device 1 can be: a device provided on the ground, with transmission means 3 (loudspeakers) which are either fixed-mounted or removable, and which are arranged at the sensitive areas of human activity, particularly at an airport, preferably close to a runway; or
- the triggering means 4 may be formed so as to allow remote triggering of the emission of an acoustic sequence.
- the device 1 can be used to broadcast the combinatorial signals, during for example one minute, during the presence of birds on the runways of takeoff and landing or periphery.
- the signals are emitted from on-board speakers or from loudspeakers positioned along the tracks.
- the average intensity at which these signals should be emitted, should be about 100 dBSPL measured one meter from the speakers.
- the emission of combinatorial signals can also be remotely controlled and made from demountable and autonomous means arranged near a track.
- the area covered by the signal depends on the characteristics of the transmitting means 3 and the meteorological conditions.
- the pilot can trigger the scaring device (using means 4) before taking off or approaching an airport, for which the bird hazard is suspected, without having to know the local species. to scare. At most, it will have to select the signals in relation to the airport concerned, for example by large geographical area (scaring signals by continents).
- the triggering means 4 installed at the cockpit of the aircraft AC.
- the transmission means 3 (loudspeakers) are arranged at the level of the front landing gear 7 of the aircraft AC so as to:
- the transmitting means may be arranged at the level of the front axle housing 7 or directly on said front axle 7, as shown in FIG. 1.
- the acoustic scaring device 1 is thus used in the same flight phases as those for which the front landing gear 7 is out. It therefore has no negative aerodynamic impact on the rest of the flight, once the landing gear has returned.
- the location of the loudspeaker 3 at the peak makes it possible to optimize the efficiency of the signal directed towards the front of the aircraft AC, and to minimize the induced perturbation of the other sound sources of the AC aircraft, such as the engines, moving surfaces or main landing gear.
- the acoustic scaring device 1 can, in this case, be an independent device. However, it can also be integrated into existing avionics systems. Thus, in a particular embodiment, said device 1 is part of a usual ground crew call system (called "ground crew call system” in English) that equips the aircraft AC. This common system is installed at the nosewheel housing 7 and is activated from the cockpit to alert ground personnel when needed. This system can integrate the sound avian scaring functionalities, according to the invention, as specified above.
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- Life Sciences & Earth Sciences (AREA)
- Birds (AREA)
- Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2012338603A AU2012338603B2 (en) | 2011-11-18 | 2012-11-15 | Method and device for scaring birds acoustically, in particular for an aircraft |
US14/358,160 US8953413B2 (en) | 2011-11-18 | 2012-11-15 | Method and device for scaring birds acoustically, in particular for an aircraft |
CN201280056788.7A CN104053358B (zh) | 2011-11-18 | 2012-11-15 | 特别针对飞行器的以声音的方式惊吓飞鸟的方法及装置 |
BR112014011589A BR112014011589A2 (pt) | 2011-11-18 | 2012-11-15 | processo de afugentamento acústico de espécies aviárias, dispositivo de afugentamento acústico de espécies aviárias e aeronave |
EP12795555.7A EP2779828B1 (fr) | 2011-11-18 | 2012-11-15 | Procédé et dispositif d'effarouchement acoustique d'espèces aviaires, en particulier pour un aéronef |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1160546 | 2011-11-18 | ||
FR1160546A FR2982737B1 (fr) | 2011-11-18 | 2011-11-18 | Procede et dispositif d'effarouchement acoustique d'especes aviaires, en particulier pour un aeronef. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013072632A1 true WO2013072632A1 (fr) | 2013-05-23 |
Family
ID=47291149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2012/052635 WO2013072632A1 (fr) | 2011-11-18 | 2012-11-15 | Procédé et dispositif d'effarouchement acoustique d'espèces aviaires, en particulier pour un aéronef |
Country Status (7)
Country | Link |
---|---|
US (1) | US8953413B2 (fr) |
EP (1) | EP2779828B1 (fr) |
CN (1) | CN104053358B (fr) |
AU (1) | AU2012338603B2 (fr) |
BR (1) | BR112014011589A2 (fr) |
FR (1) | FR2982737B1 (fr) |
WO (1) | WO2013072632A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9583012B1 (en) | 2013-08-16 | 2017-02-28 | The Boeing Company | System and method for detection and avoidance |
CN104381241B (zh) * | 2014-11-24 | 2016-08-24 | 郑州航空工业管理学院 | 太阳能驱鸟无人机 |
CN104738024B (zh) * | 2015-04-14 | 2017-07-28 | 广东欧珀移动通信有限公司 | 害虫驱赶方法及装置 |
CN106094870A (zh) * | 2016-08-23 | 2016-11-09 | 成都翼高九天科技有限公司 | 一种基于无线通讯无人机的飞行控制系统 |
CN108398689A (zh) * | 2018-01-26 | 2018-08-14 | 广东容祺智能科技有限公司 | 一种基于无人机的鸟类识别引导装置及其引导方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US3594786A (en) * | 1967-06-06 | 1971-07-20 | Saba Gmbh | Electronic arrangement for simulating animal sounds |
FR2599175A1 (fr) | 1986-05-22 | 1987-11-27 | Centre Nat Rech Scient | Procede de synthese de sons correspondant a des cris d'animaux |
WO1997029633A1 (fr) * | 1996-02-12 | 1997-08-21 | Spacecontrol S.R.L. | Appareil destine a eloigner les oiseaux, notamment des aeroports |
JP2002159257A (ja) * | 2000-11-28 | 2002-06-04 | Shinwa Kogyo Kk | 鳥類飛来防止装置 |
WO2006114300A1 (fr) * | 2005-04-27 | 2006-11-02 | Sistemi Tecnologici Di Corubolo Ivana | Procede et dispositif d'emission de signaux acoustiques variables |
WO2010023253A1 (fr) * | 2008-08-28 | 2010-03-04 | Sa Speir Aviation Limited | Système permettant d’éviter une collision avec des oiseaux |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2323009A (en) * | 1997-03-14 | 1998-09-16 | Bramley And Wellesley Ltd | Pest deterrent device |
US6993867B2 (en) * | 2001-04-23 | 2006-02-07 | Junzo Toyota | Rat exterminating electroshock sheet, and method of expelling harmful birds and animals |
CN1337154A (zh) * | 2001-09-21 | 2002-02-27 | 刘大洪 | 太阳能电池做电源的音响驱鸟装置 |
CN2647064Y (zh) * | 2003-08-18 | 2004-10-13 | 解冰 | 高压输电杆塔自动多样本不重复声波防鸟害装置 |
KR101169567B1 (ko) * | 2010-03-22 | 2012-07-31 | 이정미 | 조류퇴치기 |
-
2011
- 2011-11-18 FR FR1160546A patent/FR2982737B1/fr not_active Expired - Fee Related
-
2012
- 2012-11-15 AU AU2012338603A patent/AU2012338603B2/en not_active Ceased
- 2012-11-15 EP EP12795555.7A patent/EP2779828B1/fr not_active Not-in-force
- 2012-11-15 US US14/358,160 patent/US8953413B2/en not_active Expired - Fee Related
- 2012-11-15 CN CN201280056788.7A patent/CN104053358B/zh not_active Expired - Fee Related
- 2012-11-15 BR BR112014011589A patent/BR112014011589A2/pt active Search and Examination
- 2012-11-15 WO PCT/FR2012/052635 patent/WO2013072632A1/fr active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3594786A (en) * | 1967-06-06 | 1971-07-20 | Saba Gmbh | Electronic arrangement for simulating animal sounds |
FR2599175A1 (fr) | 1986-05-22 | 1987-11-27 | Centre Nat Rech Scient | Procede de synthese de sons correspondant a des cris d'animaux |
WO1997029633A1 (fr) * | 1996-02-12 | 1997-08-21 | Spacecontrol S.R.L. | Appareil destine a eloigner les oiseaux, notamment des aeroports |
JP2002159257A (ja) * | 2000-11-28 | 2002-06-04 | Shinwa Kogyo Kk | 鳥類飛来防止装置 |
WO2006114300A1 (fr) * | 2005-04-27 | 2006-11-02 | Sistemi Tecnologici Di Corubolo Ivana | Procede et dispositif d'emission de signaux acoustiques variables |
WO2010023253A1 (fr) * | 2008-08-28 | 2010-03-04 | Sa Speir Aviation Limited | Système permettant d’éviter une collision avec des oiseaux |
Also Published As
Publication number | Publication date |
---|---|
EP2779828A1 (fr) | 2014-09-24 |
AU2012338603B2 (en) | 2016-06-16 |
EP2779828B1 (fr) | 2015-10-07 |
CN104053358A (zh) | 2014-09-17 |
FR2982737B1 (fr) | 2014-09-12 |
CN104053358B (zh) | 2015-11-25 |
BR112014011589A2 (pt) | 2017-05-30 |
US20140293750A1 (en) | 2014-10-02 |
US8953413B2 (en) | 2015-02-10 |
FR2982737A1 (fr) | 2013-05-24 |
AU2012338603A1 (en) | 2014-06-26 |
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