WO2020239584A1 - Système et procédé pour capturer des drones et des systèmes d'aéronef sans équipage à bord - Google Patents

Système et procédé pour capturer des drones et des systèmes d'aéronef sans équipage à bord Download PDF

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Publication number
WO2020239584A1
WO2020239584A1 PCT/EP2020/064106 EP2020064106W WO2020239584A1 WO 2020239584 A1 WO2020239584 A1 WO 2020239584A1 EP 2020064106 W EP2020064106 W EP 2020064106W WO 2020239584 A1 WO2020239584 A1 WO 2020239584A1
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WO
WIPO (PCT)
Prior art keywords
catching
uas
drone
holding element
catching means
Prior art date
Application number
PCT/EP2020/064106
Other languages
German (de)
English (en)
Inventor
Gerd Scholl
Ralf Heynicke
Dmytro Krush
Original Assignee
Helmut-Schmidt-Universität / Universität Der Bundeswehr Hamburg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Helmut-Schmidt-Universität / Universität Der Bundeswehr Hamburg filed Critical Helmut-Schmidt-Universität / Universität Der Bundeswehr Hamburg
Publication of WO2020239584A1 publication Critical patent/WO2020239584A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U70/00—Launching, take-off or landing arrangements
    • B64U70/30—Launching, take-off or landing arrangements for capturing UAVs in flight by ground or sea-based arresting gear, e.g. by a cable or a net
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H11/00—Defence installations; Defence devices
    • F41H11/02—Anti-aircraft or anti-guided missile or anti-torpedo defence installations or systems
    • F41H11/04—Aerial barrages

Definitions

  • the present invention relates to a system for capturing drones, in particular small drones or micro-drones, comprising at least C-UAS (Counter-Unmanned Aerial System), also known as a capture drone, with a capture device attached, the capture device comprising a plurality of capture means, wherein the plurality of catching means can be or are arranged hanging below the C-UAS, in particular like a curtain, so that a drone to be caught can get caught in the catching means.
  • C-UAS Counter-Unmanned Aerial System
  • the present invention also relates to a method for capturing drones and a C-UAS.
  • Drones especially privately used drones, can, for example, penetrate into no-fly zones set up around airports. Drones entering such no-fly zones can disrupt air traffic. Furthermore, the drones can collide with aircraft taking off or landing, with the risk of potentially serious accidents.
  • a defense drone for intercepting a small drone is known from DE 10 2015 008 255 A1.
  • the defense drone comprises at least one motor for driving at least one propeller, a fuselage connected to the motor, an effector provided on the fuselage and a device for ejecting the effector.
  • EP 3 372 499 A1 discloses an unmanned aerial vehicle, a system and a method for combating threat missiles, a physical network being fired from a cannon in order to capture a threat missile.
  • the captured threat missile is rendered flightless and falls to the ground.
  • WO 2016/170367 A1 discloses a system for catching and immobilizing flying objects.
  • the system includes a net launched by a net launcher.
  • the system is ground based.
  • WO 2018/129615 A1 discloses a system and method for intercepting unmanned aircraft, with interceptors being shot into a precalculated path of an unmanned aircraft.
  • the interception means consist of pieces of flexible material which become entangled in the propellers of the aircraft.
  • the present invention is based on the object of providing a system for capturing drones, in particular small drones or micro drones, with which drones can be captured and transported away in a controlled manner, without inappropriately endangering third parties or destroying the drones. Furthermore, the present invention is based on the object of providing a C-UAS and a method for capturing drones with which the advantages described above are achieved.
  • a system for catching drones comprising at least one C-UAS with a catching device attached, the catching device comprising a plurality of catching means, the plurality of catching means below of the C-UAS, in particular like a curtain, can be arranged or arranged in a hanging manner so that a drone to be caught can get caught in the catching means, the catching device also being designed to close a drone below the center of gravity of the system and / or the C-UAS after catching promote.
  • C-UAS stands for “Counter-Unmanned Aerial System”.
  • the C-UAS can also be called a capture drone.
  • a drone is generally understood to mean an unmanned aircraft that can be operated or navigated independently by a computer or from the ground via a remote control without a crew on board.
  • Such unmanned aircraft or drones can be remote-controlled helicopters or aircraft, quadrocopters or the like.
  • a small drone can weigh up to 25 kg.
  • a micro-drone is an unmanned aircraft with a maximum weight of 2 kg.
  • Unmanned aircraft in particular drones, small drones or micro drones such as remote-controlled aircraft, helicopters or quadrocopters, as a rule, comprise at least one propeller or rotor, which provides for lift and propulsion.
  • quadrocopter have four rotors, which are usually arranged at four corners of the quadrocopter, which ensure a stable flight attitude.
  • the rotors can be protected by cages or the like.
  • the system according to the invention comprises at least one C-UAS, which can be designed as an unmanned aerial vehicle, such as a quadrocopter, helicopter or airplane, that is controlled or remotely controlled independently by a computer.
  • the C-UAS can be a micro-drone, a small drone or a drone weighing more than 25 kg.
  • a catching device which comprises a plurality of catching means, is attached to the C-UAS.
  • the plurality of catching means can be arranged or arranged hanging below the C-UAS, that is to say that the plurality of catching means are attached to the catching device of the at least one C-UAS from the start of use and are arranged hanging below the at least one C-UAS. It is also possible for the catching means to be transferred from a non-hanging arrangement to a hanging arrangement shortly before the catching process. For example, in order to increase the agility of the at least one C-UAS, the catching means can initially be lifted within the catching device and only lowered into a hanging arrangement shortly before the catching process.
  • the catching means are designed in such a way that a drone to be caught can get caught in the catching means that are suspended below the C-UAS.
  • the drone to be captured is stopped dynamically by the capture means without a large mechanical impulse being transmitted to the drone to be captured.
  • the captured drone after it has got caught in the catching means, hangs on the at least one C-UAS and can be transported away by the C-UAS.
  • the catching device is designed to convey a drone after catching below the center of gravity of the system and / or the C-UAS.
  • the captured drone is transported below the center of gravity of the system or of the at least one C-UAS after it has been captured, the flight characteristics of the at least one C-UAS are improved so that the captured drone can be transported away in a controlled manner. This ensures that third parties are not inappropriately endangered, nor that the captured drone is destroyed.
  • the catching means are thread-like or band-like catching means, wherein the catching means are more preferably, in particular separate, threads or straps, and / or that the catching means are arranged at a distance from one another.
  • a thread-like or band-like catching means is understood to be a limp structure that has a dominant one-dimensional extension.
  • a thread-like or band-like catching means can be a thread, a band, a rope, a strand or any other limp structure with a one-dimensional extension.
  • the thread-like or ribbon-like catching means can consist of textiles, plastics, metals or a combination of these materials.
  • the thread-like or tape-like catching means are particularly preferably threads or tapes which, in particular, are arranged attached to the catching device separately and / or at a distance from one another.
  • the catching means in particular the threads or straps, are particularly preferably fastened to the catching device individually and at a distance from one another, so that the catching means can be or are suspended from the catching device essentially freely and independently of one another.
  • a cross-connection connecting the catching means such as a transverse thread or the like can be provided, especially at a lower end of the thread-like or band-like catching means when hanging, but there is no connection between the thread-like or band-like catching means beyond that.
  • the thread-like or ribbon-like catching means hang roughly like a curtain on the C-UAS. Since the catching means are attached to the catching device at a distance and essentially independently of one another and can also preferably be moved by air currents, a particularly large effective area can be provided for catching a drone, so that there is a high probability that a drone to be caught will be caught.
  • Distances of at least 10 cm, more preferably of at least 20 cm, particularly preferably of at least 40 cm, are preferably provided between the individual catching means.
  • a particular advantage of the design of the catching means as tape-like or thread-like catching means is that these catching means are located in the drives, in particular in entangle the rotors of a drone to be captured, so that its drives are stopped.
  • the captured drone is also pulled slightly upwards in the direction of the C-UAS or the catching device, which results in better weight distribution.
  • Another advantage of using thread-like or tape-like catching means, in particular compared to a net, is that the rotors of the drone to be caught get entangled in the thread-like or tape-like catching means and thus come to a standstill and the drone to be caught is gently braked, whereas In known nets for capturing drones, a relatively high mechanical impulse is transmitted to the C-UAS, so that its flight characteristics are massively restricted or so that the C-UAS or the drone to be captured can be destroyed.
  • Another advantage of using thread-like or band-like catching means is that a particularly large effective area can be covered compared to a net.
  • the effective area is limited to a few square meters due to the suspension and the net weight of the net.
  • an effective area is understood to mean the area which is covered in a plan view of the, in particular curtain-like, suspended catching means and in which a drone to be caught can be caught.
  • the catching means as thread-like or tape-like catching means, in particular as threads or tapes, is that, in contrast to a net construction, the threads or tapes can follow the air currents largely unhindered. Buoyancy forces are thereby applied to the catching means generates the propulsive forces of the C-UAS and the wind resistance. If these are in equilibrium with the weight of the trapping equipment, the shape of the trapping equipment remains essentially constant.
  • the air flow generated by the rotors of the drone to be captured applies additional forces to the capture means, particularly to the threads or ligaments, which disturb the balance of forces.
  • the catching means are attracted by the rotors of the drone to be caught, so that the catching means, in particular the threads or straps, are captured by the rotors of the drone to be caught.
  • the catching means, in particular the threads or straps are only subject to low mechanical tension and are therefore sucked in by the drone to be caught.
  • the effective area of the thread-like or tape-like catching means that can be used to catch the drone is increased, i.e. the thread-like or ribbon-like catching means are actively sucked to where the drone to be caught is located, so that the likelihood of catching is increased.
  • a further solution to the object on which the invention is based is to provide a system for capturing drones, in particular small drones or micro drones, comprising at least one C-UAS with a capture device attached thereto, the capture device comprising a plurality of capture means, wherein the plurality of catching means can be or are arranged hanging below the C-UAS, in particular like a curtain, so that a drone to be caught can get caught in the catching means, and wherein the catching means are thread-like or ribbon-like catching means, the catching means being preferred, in particular separate, Threads or tapes, are, and / or wherein the catch means are arranged at a distance from one another.
  • the catching device is designed to transport a drone below the center of gravity of the system and / or the C-UAS after catching.
  • each of the catching means is attached to the catching device and that a second end of the catching means is not secured to the catching device, the second end preferably being a free end.
  • the catching means in particular thread-like or band-like, are thus attached to the catching device with a first end and the second end is preferably a free end The End. It is true that a cross connection such as a cross thread between the catching means can also be provided, especially at the second end, but this does not serve to determine the mutual position of the catching means, but only to slightly restrict the freedom of movement of the catching means or to set the effective area in a defined manner. so that the second end can still be viewed as the free end.
  • the suspended catch means preferably form a parallel structure.
  • the hanging means cover an effective area of at least 10 m 2 , more preferably of at least 50 m 2 , particularly preferably of at least 100 m 2 , particularly preferably of at least 150 m 2 .
  • An effective area is understood to mean that area which is covered by the catching means, which are arranged in a hanging manner, in particular in the manner of a curtain, and which is available for catching a drone to be caught.
  • the effective area in particular also includes the free areas or distances between the individual catching means, which are small enough that a drone to be caught cannot slip through between the catching means.
  • the catching means are designed as thread-like or band-like catching means, in particular as threads or bands.
  • a curtain-like arrangement of a plurality of tape-like or thread-like catching means is considerably lighter and a significantly larger effective area can be covered.
  • the catching device is arranged on an underside of the C-UAS. Furthermore, it can advantageously be provided that the catching device has a holding element, the catching means being fastened to the holding element, the holding element being changeable, in particular pivotable, in relation to the C-UAS.
  • the holding element can be changed in position relative to the C-UAS, in particular pivoted, which means that the holding element as a whole can be changed or swiveled in position relative to the C-UAS, or that the holding element is designed to be deformable, so that at least a partial change in position or the alignment of the holding element relative to the C-UAS can be achieved. Since the catching means are fastened to the holding element, the change in position, in particular the pivoting of the holding element, also results in a change in the position of the catching means and in particular of a captured drone hanging on the catching means.
  • the captured drone can be moved relative to the system and / or the C-UAS and further transported, in particular, below the center of gravity of the system and / or the C-UAS. If the drone to be caught has thus been caught by the catching means, the position of the holding element is preferably changed, in particular by pivoting the holding element, so that the drone hanging on the catching means is moved below the center of gravity of the system and / or the C-UAS.
  • the holding element is a rod, a rod and / or a rope.
  • the holding element, in particular the rod, the rod or the rope, can be arranged as part of the catching device below the C-UAS and can be arranged in an essentially horizontally aligned manner.
  • the holding element has a length of at least 1 m, more preferably of at least 3 m, particularly preferably of at least 5 m.
  • the holding element Due to the, in particular spaced apart, arrangement of, further in particular thread-like or band-shaped, catching means on the holding element, the holding element having a length of at least 1 m, preferably at least 3 m, particularly preferably at least 5 m, a particularly large effective area provided to capture drones.
  • the holding element in particular the rod or the rod, is extendable, in particular foldable or telescopic.
  • the design of the holding element in particular the rod or rod, which can be folded out, telescoped or extended, enables the effective area to be increased further.
  • the flight characteristics of the C-UAS in the non-telescoped or not extended or not extended state are improved, since the moment of inertia of the C-UAS can be reduced.
  • the catching device comprises a support element, in particular a support rod or a support rod, the holding element being arranged with a first section, in particular centrally, on the support element and releasably with a, in particular distal or peripheral, second section the support element is arranged, so that a release of the second portion of the support element causes a change in position or a pivoting of the holding element, in particular due to the weight of the holding element.
  • the catching device thus preferably comprises a support element which is designed as a support rod or as a support rod.
  • the support element is in particular aligned horizontally and arranged as part of the catching device on the C-UAS.
  • the holding element is preferably arranged with a first section or end, in particular centrally, further in particular below the center of gravity of the C-UAS, on the support element and is detachable with an, in particular distal or peripheral, second section, more preferably second end, on the Arranged support element, in such a way that detachment of the second section from the support element causes a change in the bearing or a pivoting of the holding element, in particular due to the weight of the holding element.
  • the holding element in particular the rod, rod or rope, due to its weight force or due to the weight force of a drone caught hanging on the catching means, which via the catching means on the holding element is attached, fall down or pivot or change its position. Since the holding element is preferably fastened centrally below the center of gravity of the C-UAS, a change in the bearing or a pivoting of the holding element means that the captured drone held by the catching means is also transported below the center of gravity of the C-UAS.
  • the pivoting or the change in position can, however, also take place with motor support.
  • the holding element is fastened with the first section below the center of gravity of the system and / or the C-UAS, and / or that the catching device has a joint, the holding element with the first section is attached to the joint, wherein the joint is preferably attached centrally, in particular below the center of gravity of the system and / or the C-UAS, further in particular on the support element.
  • the support element and the holding element are arranged essentially parallel to one another, and / or that at least one securing element is provided for temporarily holding the holding element, in particular the second section, on the support element.
  • the securing element for temporarily holding the holding element is particularly preferably arranged on the distal or peripheral or edge-side second section or end of the holding element and in particular is firmly connected to the support element.
  • a holding element is thus provided which is fastened centrally, that is to say in particular below the center of gravity of the C-UAS, further in particular by means of a joint, pivotable or changeable in position on the C-UAS or on the capture device.
  • the holding element is detachably held on the support element via a securing element.
  • the securing means can be triggered, so that the second distal or peripheral section of the holding element is released and released from the carrying element of the catching device. Due to the weight of the holding element and the captured drone attached to it via the catching means, the holding element, in particular the rod, the rope or the rod, is pivoted around the central connection, in particular around the joint, so that the entirety of the holding element, catching means and captured Drone moved below the center of gravity of the C-UAS. This can improve the flight characteristics of the C-UAS so that a captured drone can be transported away in a controlled manner.
  • a detachment of the second section of the holding element from the support element can, however, also be understood as a loss-proof detachment.
  • the holding element is designed as a rope and is fastened with a first section centrally below the center of gravity of the C-UAS, while it is attached with a second distal or peripheral section via a slider to the, in particular designed as a support rod or support rod, Support element is attached.
  • the slider is initially fixed by the securing element on the distal or peripheral end of the support element, but can slide along the support rod or the support element after being released. If a captured drone is arranged on the catching means and the securing means is released, the slider can slide along the support element in a captive manner.
  • the glider moves in the direction of the connection point of the first section of the rope with the C-UAS below the center of gravity of the C-UAS.
  • the captured drone is also transported below the center of gravity of the C-UAS.
  • the support element in particular the support rod or the support rod, has an essentially U-shaped, preferably sinoid or chain line-like configuration.
  • such a configuration can improve the conveyance of the captured drone below the center of gravity of the capture drone.
  • the securing element is an electromagnet and / or a hook and / or a latching element.
  • the at least two holding elements can be arranged in alignment or parallel to one another along a common longitudinal extension.
  • two holding elements can be provided, each with a first Section are fastened centrally below the center of gravity of the C-UAS and are fastened with their second sections on opposite sides of the support element, in particular releasably.
  • the catching device has at least one catching device holder, in particular a thread reel, tape roll or a winding device, the at least one catching device holder preferably being attached to the holding element, the catching device being particularly preferably rolled up or, in particular, on the at least one catching device holder in a figure-of-eight shape.
  • the catching means holder is designed in particular such that it receives the catching means before the catching process.
  • Each catching device can be assigned its own catching device holder.
  • the catch means are only released from or from the catch means holder when a drone is to be caught. This improves the flight characteristics of the C-UAS.
  • the catching means further designed in particular as threads or bands, are wound in a figure-of-eight shape in a winding device. After the catching means, in particular the threads or tapes, have been released, they then fall, as it were, like a curtain from the figure-eight-shaped winding, thereby increasing the effective area and increasing the probability of catching. Furthermore, it is prevented that the catching means, which are designed as threads or bands, tangle or knot one another.
  • the winding device can be designed approximately like a cleat, but with the horns of the cleat pointing parallel downwards so that a catch means arranged on it can simply slide down and fall after being released.
  • the catch means holder can in particular have a base plate with two rods arranged vertically on it and directed downwards, this being a thread or tape-shaped catching means is wrapped in a figure-of-eight shape around the downwardly directed rods.
  • an end plate or the like can be arranged at the end of the rods, which at least temporarily hold the catching means in the form of threads or bands within the respectively assigned catching means holder. To lower the catch means, the end plate is released and either falls off or is swiveled.
  • At least five, preferably at least ten, more preferably at least 20, particularly preferably at least 50, catching means are provided.
  • the catch means have different lengths.
  • the catch means have a length of at least 5 m, preferably of at least 10 m, particularly preferably of at least 20 m.
  • the catching means are connected to one another at the second ends via a spacer and / or a transverse thread or a transverse band.
  • the spacer in particular the transverse thread or the transverse band, is merely a loose connection between the catching means, which does not mutually fix the catching means, in particular the threads or straps, but merely ensures that the catching means are not in this way due to wind currents fan out so that the effective area decreases due to the greatly increasing distances between the catch means.
  • the transverse thread or the spacer is preferably arranged at the lower, second or free end of the catching means and loosely connects them to one another at this point.
  • the catching means are not a net and / or do not comprise a net.
  • connections between the catching means for example by means of a spacer, such as a transverse thread or a transverse band, arranged at the lower end.
  • the catching means are flat strips or round threads.
  • the catching means are optically transparent.
  • catch means are tear-proof and / or weather-proof and / or temperature-resistant.
  • the catching means in particular have a tear-resistant device which ensures that the threads or catching means do not tear as a result of the catching process and that a captured drone can be transported away safely and in a controlled manner.
  • a weight and / or a drive is attached to the second end of the catch means.
  • the weight can also be equipped with its own drive.
  • auxiliary catching means or side catching means are attached to the catching means, in particular the threads or straps, so that the catching means and the side catching means or accessory catching means, in particular at the second end of the catching means, a bundle of catching means , in particular a bundle of threads.
  • the side catching means or auxiliary catching means or the side threads or auxiliary threads can be fastened with a first end to the catching means or to the threads or straps.
  • the attachment can take place at any point between the suspension of the catch means on the holding element and the second free end of the catch means.
  • the number of side catching means or auxiliary catching means, in particular the auxiliary threads or side threads increases towards the lower, second free end of the catching means.
  • a catching means bundle in particular a thread bundle or tape bundle, is provided which increases the effective area.
  • the thread or ribbon bundles are also called "tufts".
  • each of the catching means, in particular each thread or each tape can be composed of loosely connected threads or tapes so that they can easily be detached from one another by air currents and increase the effective area.
  • the at least one catching means holder has a launching device for firing the catching means from the catching means holder.
  • the launching device is designed in such a way that it shoots the catching means arranged in the catching means holders, in particular the catching means wound in a figure-of-eight shape, out of the catching means holder before the catching process.
  • the launching device can in particular function similar to a taser.
  • the system has several C-UASs, wherein the holding element is arranged between the C-UASs and attached to them, preferably detachably.
  • the holding element for example the rope, the rod or the rod
  • the holding element can also be stretched or fastened between two or more C-UASs. If a drone is caught with the catch means attached to the holding element, the captured drone can be transported under the center of gravity of one of the C-UASs or under the center of gravity of the system, for example by releasing the holding element from one of the C-UAS, so that the holding element pivots under the center of gravity of another C-UAS or it is possible that the at least two C-UASs change their relative position to one another, for example their distance to one another or the relative height to one another, in order to bring the captured drone under the center of gravity of the system from C- Promote UASs.
  • the shape of the catching means can be actively changed, the catching means preferably having piezoelectronic threads or bands and / or threads or bands made of shape memory alloys and / or a drive and / or the catching means being electrostatically chargeable.
  • the position or shape of the catch means can thus be actively influenced in order to increase the effective area in a manner adapted to the situation.
  • Another solution to the problem on which the invention is based is to provide a C-UAS for a system described above, comprising a catching device with a plurality of catching means.
  • the C-UAS can be configured in accordance with the C-UASs that are suitable and described for the system described above and have all of the features described above in this context.
  • Yet another solution to the object on which the invention is based is to provide a method for capturing a drone that can be carried out with a system described above, wherein at least one C-UAS is positioned above a drone to be captured, the drone to be captured in contact with a capture device of the C. -UAS attached catching means is brought, so that the drone to be caught, preferably rotors of the drone to be caught, caught in the catching means, and the captured drone is transported below the center of gravity of the system and / or the C-UAS.
  • the catch means are released from at least one catch means holder and are preferably ejected or ejected, in particular downwards.
  • the rotors of the drone to be captured suck in the capture means.
  • mechanical gripping of the drone to be captured is provided.
  • FIG. 1 shows a system for catching a drone with a C-UAS and a catching device attached to it
  • FIG. 2 shows a system for capturing a drone and one on a
  • FIG. 3 shows a plan view of a winding device for a catching device
  • Fig. 4 is a side view of a winding device for a
  • FIG. 6 shows a catching means for a catching device
  • FIG. 7 shows a catching means for a catching device with one to be caught
  • the system 100 comprises a C-UAS 11 with a base body 12, rotor arms 13 and rotors 14 attached to it.
  • a catching device 16 is attached to an underside 15 of the C-UAS 11.
  • the catching device comprises a support element 17, which is designed as a support rod 18.
  • Two holding elements 20 designed as rods 19 can be pivoted centrally below the center of gravity 21 of the C-UAS 11 via a joint 22 and can be changed in position with the support rod 18 connected.
  • the holding elements 20 or rods 19 are fastened to a central first section 23.
  • the rods 19 are releasably secured with a respective second section 24 via a securing element 25 for temporarily holding the holding element 20 designed as a rod 19 on the support element 17 or support rod 18.
  • the securing element 25 can be designed as a latching element 26. When the locking element 26 is released, the rods 19 can pivot downward about the joint 22.
  • catching means 28 embodied as threads 27 are fastened at a distance from one another in such a way that they are arranged hanging like a curtain below the C-UAS 11.
  • the catching means 28 span an effective area 29, which is used to catch the drone 10 that does not belong to the system.
  • the drone 10 to be captured is brought into contact with the capture means 28 designed as threads 27 for capture, so that the rotors 30 of the drone 10 to be captured become entangled in the threads 27.
  • catching means holders 31 are also attached, in which the threads 27 are stored before the drone 10 is caught.
  • the threads 27 are shot out of the catching means holders 31 with a launching device 32 downwards into the position shown in FIG. 1.
  • the threads 27 are connected with a first end 33 via the catching means holder 31 to the holding elements 20 designed as rods 19.
  • the opposite second ends 34 of the threads 27 are essentially designed as free ends 35.
  • a transverse thread 36 can be provided, which limits a maximum distance between the free ends 35 of the threads 27, but does not cause any restriction on the relative mobility of the threads 27.
  • the threads 27 have auxiliary threads 37 which are fastened at suitable positions along the threads 27. Due to the arrangement of the auxiliary threads 37, the catching means 28, or the threads 27, are formed as tufts of threads 38, so-called tufts, whereby the effective area 29 is enlarged.
  • the threads 27 have a length of preferably 10 m and each of the holding elements 20 has a length of approximately 3 m. Furthermore, the threads 27 have different lengths.
  • the threads 27 suspended like a curtain represent approximately a parallel structure 39, which spans the effective area 29.
  • weights 40 and / or drives can be arranged at the free ends 35 of the threads 27 in order to stabilize the alignment and position of the threads 27.
  • a drone 10 to be captured approaches the effective area 29 offered by the threads 27, so that the threads 27 or the auxiliary threads 37 become entangled in the rotors 30 of the drone 10 and thereby stop the rotors 30 or the drives of the drone 10.
  • the holding elements 20, designed as rods 19 pivot around the joint 22, whereby, as shown in FIG. 2, the captured drone 10 is transported below the center of gravity 21 of the C-UAS 11. This improves the flight stability of the C-UAS 11 and enables the captured drone 10 to be transported away in a controlled manner.
  • FIG. 3 and 4 show a catching device holder 31 designed as a winding device 41.
  • FIG. 3 shows a view of the winding device 41 from below.
  • the winding device 41 has a base plate 42 which is fastened to the holding element 20 designed as a rod 19.
  • Two rods 43 are attached to the base plate 42 at a right angle to the base plate 42, around which the threads 27 are wound in a figure-of-eight shape.
  • FIG. 4 shows a side view of the winding device 41 according to FIG. 3.
  • the base plate 42 is arranged on the holding element 20 designed as a rod 19.
  • the thread 27 is wound around the rods 43, which are aligned essentially perpendicular to the base plate.
  • an end plate 44 is also releasably attached to the rods 43.
  • FIG. 5 shows another embodiment of a system 100 for capturing drones 10 in accordance with the invention.
  • the system 100 of FIG. 5 comprises two C-UASs 11a, 11b, a support element 17 of the catching device 16 being arranged on each of the C-UASs 11a, 11b.
  • a holding element 20 designed as a rope 45 is arranged hanging between the two C-UASs 11a, 11b.
  • Catch means 28 designed as threads 27 are arranged on the rope 45 at regular intervals.
  • the capture process of the drone 10 is analogous to the embodiment according to FIGS. 1 and 2. As soon as the threads 27 have become entangled in the rotors 30 of the drone 10, the drives of the rotors 30 are braked and the moving mass of the drone 10 is absorbed. In order to move the drone 10 below the center of gravity 21, 46, it can either be provided that the C-UASs 11a, 11b change their mutual position, i.e. their distance and relative height to one another, so that the drone 10 is below the center of gravity 46 of the system 100 got.
  • the cable 45 is attached to a first section 23 with the support element 17 of the first C-UAS 11a and that the cable 45 with a second section 24 is detachably connected to a securing element 25 with the support element 17 of the second C-UAS 11b is attached.
  • the second section 24 of the rope 45 can fall down and pivot under the center of gravity 21 of the first C-UAS 11a.
  • the captured drone 10 also arrives below the center of gravity 21 of the first C-UAS 11a.
  • the first C-UAS 11a can also have a securing element 25, by means of which the cable 45 with the first section 23 is detachably attached to the support element 17 of the first C-UAS.
  • FIGS. 6 and 7 a single catching means 28 designed as a thread 27 is shown.
  • the thread 27 is fastened at a first end 33 to a holding element 20 of the catching device 16, shown in cross section, and a second end 34 is designed as a free end 35.
  • the propulsive force 47 and the wind resistance of the thread 27 generate lift forces 48 on the thread 27 which are in equilibrium with the weight 49 of the thread 27.
  • FIG. 7 shows a situation in which a drone 10 to be captured is located below the thread 27.
  • the rotors 30 of the drone 10 to be captured generate a downwardly directed air stream 50, which disturbs the balance of lift forces 48 and weight forces 49. This locally changes the position of the thread 27 so that the thread 27 is sucked into the rotors 30 of the drone 10 to be captured by the air flow 50.
  • a mechanical detection of the drone 10 to be captured thus takes place.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Engineering & Computer Science (AREA)
  • Catching Or Destruction (AREA)

Abstract

L'invention concerne un système (100) pour capturer des drones (10), en particulier des petits drones ou des drones les plus petits, comprenant au moins un système d'aéronef sans équipage à bord (11, 11a, 11b) pourvu d'un dispositif de capture (16) fixé sur celui-ci. Le dispositif de capture (16) comprend une multitude de moyens de capture (28). La multitude de moyens de capture (28) peuvent être disposés ou sont disposés sous le système d'aéronef sans équipage à bord (11, 11a, 11b), en particulier à la manière d'un rideau, de manière suspendue, de manière à pouvoir capturer dans les moyens de capture (28) un drone (10) à capturer. Le dispositif de capture (16) est réalisé pour transporter un drone (10) après la capture sous le centre de gravité (21, 46) du système et/ou du système d'aéronef sans équipage à bord (11, 11a, 11b).
PCT/EP2020/064106 2019-05-24 2020-05-20 Système et procédé pour capturer des drones et des systèmes d'aéronef sans équipage à bord WO2020239584A1 (fr)

Applications Claiming Priority (2)

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DE102019114000.5A DE102019114000A1 (de) 2019-05-24 2019-05-24 System und Verfahren zum Einfangen von Drohnen und C-AUS
DE102019114000.5 2019-05-24

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WO2020239584A1 true WO2020239584A1 (fr) 2020-12-03

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DE102019135246B4 (de) * 2019-12-19 2022-10-06 Deutsches Zentrum für Luft- und Raumfahrt e.V. Fluggerät und Verfahren zum Abfangen einer Drohne
GB2620622A (en) * 2022-07-14 2024-01-17 Drone Band Ltd Device

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