99results about "Defence devices" patented technology

Applying unmanned aerial vehicle technology to weed control operations will improve safety and efficiency. [Solution] A weeding method is provided, which includes a weeding step in which an unmanned aerial vehicle equipped with multiple rotors, a cutter unit that cuts grass with rotating blades, and a ground altitude sensor repeatedly moves along a predetermined flight path while gradually lowering its ground altitude while rotating the blades. The problem is solved by an unmanned aerial vehicle equipped with multiple rotors, a control unit that controls the operation of each rotor, a cutter unit that cuts grass with rotating blades, and a ground altitude sensor, wherein when the aircraft is manually controlled, the control unit restricts the operation of each rotor so that the aircraft's ground altitude does not fall below a predetermined height.

The present application relates to the technical field of unmanned aerial vehicle interception, and provides a flexible unmanned aerial vehicle interceptor, which comprises an unmanned aerial vehicle, an interception assembly and a positioning assembly, the unmanned aerial vehicle comprises a box-shaped machine body, a front machine arm, a rear machine arm and a rotor assembly; the interception assembly is arranged in a first equipment cabin, the interception assembly comprises a net catcher, a support and a gimbal servo motor, the support is connected with the gimbal servo motor, the net catcher is arranged on the support, and the gimbal servo motor is configured to drive the support to pitch and drive the net catcher to perform corresponding movement; the positioning assembly is arranged in the first equipment cabin and is located above the interception assembly along the height direction of the box-shaped machine body, and the positioning assembly is configured to determine the position of a target object, so that the unmanned aerial vehicle can approach the target object and complete the interception of the target object through the net catcher. The present application can realize high automation in the whole process from discovery to interception, reduces the delay of manual operation and improves the countermeasure efficiency.

This application discloses a low-altitude defense platform deployment system and method. The system includes: a data acquisition module for acquiring relevant data of the defense area and information on available platforms; a capability quantification module for uniformly quantifying the capability parameters of each platform to obtain standardized capability descriptions; an AI agent search module, comprising multiple parallel-working AI agents and a shared memory area; each AI agent iteratively executes the generation of candidate deployment schemes, calculation of constraint violations, and evaluation of comprehensive performance scores, and updates the locally optimal deployment scheme based on the evaluation results, exchanging scheme information through the shared memory area to guide subsequent searches; and a scheme determination module for determining the globally optimal deployment scheme when termination conditions are met. This application improves the comprehensive protection effectiveness and planning efficiency of heterogeneous defense platform deployment schemes through capability quantification and multi-agent parallel collaborative search, achieving automated global optimization deployment under complex constraints.

The application relates to the technical field of unmanned aerial vehicle tracking countermeasures, in particular to a method and system suitable for unmanned aerial vehicle tracking countermeasures in multiple scenes, which comprises the following steps: acquiring real-time position data of an invading unmanned aerial vehicle and real-time position data of a tracked target; when the real-time position data signal of the invading unmanned aerial vehicle disappears, increasing the signal transmission power for positioning of the tracked target, continuing to acquire the real-time position data of the tracked target; calculating the correlation between the real-time position data of the invading unmanned aerial vehicle and the real-time position data of the tracked target, deducing the real-time position data of the invading unmanned aerial vehicle after the real-time position data signal of the invading unmanned aerial vehicle disappears, and identifying the real-time position data of the invading unmanned aerial vehicle. The application deduces the real-time position data of the invading unmanned aerial vehicle after the real-time position data signal of the invading unmanned aerial vehicle disappears, and carries out targeted scanning and identification, so that the identification effect of the invading unmanned aerial vehicle under complex geographical shielding conditions is improved.

This application provides a terminal guidance method and apparatus for intercepting unmanned aerial vehicles (UAVs) based on ground-based visual servo guidance, relating to the field of UAV defense and countermeasure technology. The method includes: synchronously acquiring observation data of target UAVs based on ground-deployed visual sensors; calculating the estimated position values ​​and estimation error ranges of each target UAV; generating guidance reference points to guide at least one interceptor UAV to search for at least one target UAV; generating search guidance commands for each interceptor UAV; optimizing the search formation of the interceptor UAVs; generating control commands for the interceptor UAVs; and driving the interceptor UAVs to search for the target UAVs. The method and apparatus provided in this application construct an air-ground cooperative architecture combining ground-based visual servo guidance and airborne autonomous search, significantly improving the response speed and interception success rate against highly maneuverable targets in complex electromagnetic and low-altitude environments. The cost is controllable, possessing extremely high practical value and economic efficiency.

Methods and systems for time synchronization of a distributed sensor array system ("distributed system") are described herein. The distributed system includes a plurality of sensor nodes that are time-synchronized using state information of the sensor nodes (e.g., timestamps of event occurrences such as the reception of a request for a local timestamp, the reception of a calibration signal, etc.). The timestamp of an event occurrence at each sensor node is determined, and a time offset is determined between the timestamp of the event occurrence at the reference node of the distributed system and the timestamp of the corresponding sensor node. The distributed system synchronizes each sensor node based on the time offset of the corresponding sensor node in order to time-align the data signals received by the sensor nodes. The time-aligned signals are combined for further processing.

The application discloses a kind of underwater self-explosion barrier robots in the technical field of underwater robot, including fuselage, propeller, mechanical arm, attachment mechanism, observation instrument and charging mechanism;The propeller includes horizontal propeller and vertical propeller, the horizontal propeller and vertical propeller are symmetrically installed in the left and right sides of fuselage, the observation instrument is installed in the grabbing surface of fuselage, the attachment mechanism is installed in one end of horizontal propeller, and with the grabbing surface same direction;The mechanical arm is symmetrically installed in the upper and lower sides of fuselage, the mechanical arm has at least three degrees of freedom, the free end of the mechanical arm is provided with mechanical claw, the mechanical arm can be gripped with pincer type;The charging mechanism is installed in the non-grabbing surface of fuselage.The underwater self-explosion barrier robot provided by the application can be closely adsorbed on the surface of barrier, suitable for a variety of complex shape barriers, high applicability range and high stability, high barrier efficiency and low manufacturing cost.

A counter-swarm device comprises a mortar tube with an opening on one end, multiple streamers positioned in the mortar tube, a cone positioned below the multiple streamers in the mortar tube, the cone pointing towards the mortar-tube opening, a kick charge positioned below the cone. The cone is configured to disperse the multiple streamers upon discharge of the kick charge.

The invention relates to a means for mechanically incapacitating small objects using a snare in the form of a structure consisting of weights interconnected by lines which unfolds in flight, and more particularly relates to an elongate incapacitating element for a projectile. An elongate incapacitating element comprises a weight having a line fastened thereto by a first end. The weight has a recess. The line is stowed in the recess. Regions of the line of the elongate incapacitating element are additionally glued together. The weight has two parallel faces, the recess being formed in one of said parallel faces. The glued regions of the line are stowed in the recess such as to be capable of exiting the recess in a glued state when the line is pulled by a second end, the second end being positioned for connection to an external object. The technical result is that of increasing the likelihood of incapacitating a small object by increasing the incapacitating area of a snare.

A system for synchronizing a response to an approaching object includes an event camera deployed to monitor a field of view, a pulsed active illumination system deployed to deliver pulses of illumination towards at least part of the field of view and a processing system The processing system monitors events from the event camera to detect a looming object, and then tracks the looming object and processes events associated with the looming object to determine an estimated passing time and passing distance from the event camera. The processing system also receives events from the event camera occurring within a defined period after actuation of a pulse of the illumination towards the looming object and derives from those events a correction to the motion parameters.

The application discloses an unmanned aerial vehicle countermeasure interception system based on flight path prediction, relates to the technical field of low-altitude safety defense, acquires flight parameters of a target unmanned aerial vehicle, constructs a prediction model and generates a predicted path in combination with environment and terrain data, identifies a path segment most likely to enter a forbidden area, and calculates an expected intrusion time; candidate interception areas are screened based on a Hamilton-Jacobian inverse reachable set, and a multi-objective evolutionary algorithm is used to select an optimal interception node; in combination with a device response radius and preparation time, a starting time is determined, and an interception device is deployed; when the target enters an interception threshold range, a physical countermeasure action is triggered; the method realizes early identification, intelligent deployment and high-precision interception of the target unmanned aerial vehicle, improves the real-time performance and effectiveness of a low-altitude safety system, and has good engineering adaptability.

This invention discloses an unmanned weapon platform mechanism with an adjustable damping buffer device, including a cradle mechanism for fixing and clamping the launcher barrel and receiver; the cradle mechanism cooperates with the gimbal mechanism via a pitch motor and crossed roller bearings; a buffer mechanism is symmetrically fixed at both ends of the cradle; an electronically controlled firing mechanism is fixed to the rear clamp base; a sight mounting mechanism cooperates with the cradle mechanism via a guide rail; and the bottom of the gimbal mechanism cooperates with the base mechanism. Compared with the prior art, this invention, by controlling the pitch and azimuth motors, can clamp the launcher for high-angle, high-precision dynamic tracking and aiming. After identifying the target, the launcher can be remotely fired by controlling the trigger servo. During firing, the launcher reciprocates under the action of recoil, compressing the buffer on the sliding guide rail, and achieves rapid stabilization, thus possessing the advantages of high firing accuracy, fast response speed, and lightweight structural design.

A device (10) for launching decoys, in particular for a naval vessel, characterised in that it comprises: - at least two tubes (12) for launching decoys; - a single pneumatic circuit (14); and - a distribution block (16) interposed between the pneumatic circuit (14) and the launch tubes (12), the distribution block (16) comprising, for each launch tube (12), a valve (18) that can move between an open position, in which the corresponding launch tube (12) communicates with the pneumatic circuit (14), and a closed position, in which the corresponding launch tube (12) is isolated from the pneumatic circuit (14).

This invention provides a UAV defense and interception system, including a launching unit and a capture unit. The capture unit includes a ferromagnetic projectile, and the launching unit includes a housing. Inside the housing is a cannon barrel and a circuit circuit composed of n acceleration coils, n touch switches, n energy storage capacitors, n timing controllers, n power distribution diodes, and multiple power continuation diodes. Each acceleration coil also has a front sensor and a rear sensor at its front and rear ends, respectively. Using the technical solution of this invention, the timing controller controls the activation or deactivation of the acceleration coils. When the ferromagnetic projectile is in the transition phase between two adjacent acceleration coil stages, the preceding acceleration coil is de-energized in time, avoiding the electromagnetic force generated by the preceding acceleration coil from causing a reverse pull effect on the ferromagnetic projectile and preventing deceleration. This allows the ferromagnetic projectile to continuously accelerate, resulting in advantages such as a large interception range, long interception distance, high interception accuracy, and easy deployment of the interception net in the air.

The application discloses a laser and visible light imaging common-path anti-UAV system and a calibration method thereof. The system comprises two tracking components, a laser emission component, a light beam pointing component, a light splitting and combining component, a mirror component and a control component. The light splitting and combining component is arranged between the laser emission component exit light path and the second tracking component incident light path. The mirror component is arranged between the light splitting and combining component and the second tracking component. The control component is electrically connected with each component. The laser emission component emits laser which is reflected by the light splitting and combining component to the light beam pointing component and then emitted outward. The second tracking component incident light is sequentially reflected by the light beam pointing component, transmitted by the light splitting and combining component and reflected by the mirror component and then enters the second tracking component, forming a common-path structure shared by the laser emission light path. The laser emission light path and the imaging light path share the light splitting and combining component and the light beam pointing component, the boresight deviation caused by independent installation of the light paths is eliminated, and the consistency of laser striking and target positioning is improved.

The present application relates to anti-UAV technical field, specifically relates to a kind of laser anti-UAV decision-making method.Laser countermeasure system around the image of unfamiliar UAV as target UAV image is obtained;The vulnerable parts of target UAV are obtained;Each vulnerable part of target UAV is selected as target vulnerable part in turn, when the relative position between target vulnerable part and laser countermeasure system satisfies preset condition, the time required for target vulnerable part to be damaged by laser irradiation is obtained;When the time required for target vulnerable part to be damaged is less than the single continuous light-emitting time of laser countermeasure system, target vulnerable part is selected as the laser irradiation part of target UAV;The laser irradiation part of target UAV is irradiated by laser countermeasure system.The present application selects irradiation part according to the vulnerability of different parts of UAV, is more practical and decision-making is more reasonable, so that countermeasure efficiency is higher.

This application discloses an anti-countermeasure system for an intelligent blockade unit, belonging to the field of intelligent munitions protection technology. The intelligent blockade unit's outer shell is equipped with a multi-dimensional stealth protection module; this module includes a three-band composite camouflage coating, consisting of, from the inside out: a radar-absorbing layer, an infrared stealth layer, and a visual camouflage layer. The multi-dimensional stealth protection module reduces the blockade unit's recognition rate under radar, infrared, and visual detection. The mine-clearing avoidance module and the decoy target module work together to further improve the unit's survivability, significantly increasing its survival rate in mine-clearing environments. The anti-jamming communication module employs frequency hopping and encryption technology, significantly improving the anti-jamming capability of communication and trigger signals, greatly reducing the success rate of electromagnetic interference devices, ensuring the long-term effectiveness of the blockade system, and significantly enhancing battlefield survivability and penetration effectiveness, meeting the actual combat needs in complex battlefield environments.

An interchangeable mission module for unmanned ground vehicles is provided. Also provided is amission module in combination with an unmanned ground vehicle. Also provided are methods andmechanisms for

A method for shot pattern selection when combating targets with an impact system includes estimating the position of the target, estimating the speed of the target, categorizing the type of target, selecting the type of shot pattern, and firing projectiles based on the selected shot pattern. A fire-control system and an impact system are also provided.

A computer-implemented method for controlling a combat system, the method comprising: determining one or more combat assets included in the combat system, each combat asset being configurable to engage one or more target objects; receiving sensor data indicating a position, and preferably movement, of one or more target objects relative to the one or more combat assets; simultaneously determining, by an agent component and based on the received sensor data, an action command for each of the one or more combat assets and a zero-op command to instruct at least one, preferably a subset, of the combat assets not to engage any target object during a specified time interval;and transmitting the respective action command to the one or more combat assets, wherein the agent component preferably comprises a machine learning algorithm, more preferably a machine learning algorithm based on reinforcement learning.

A detection device for detecting an explosive target object which is arranged up to 6 m deep below a ground surface, including a first measuring device for a magnetic field measuring method with at least one gradiometer, a second measuring device for an electromagnetic measuring method from the field of time-domain methods, a third measuring device for a ground radar method, and an evaluation device. A measurement surface of each measuring device is arranged at least adjacently to at least one measurement surface of one of the two other measuring devices. The evaluation device is capable of receiving and evaluating signals of the first, second and third measuring device in real-time and providing position information of the target object below a detection surface which was situated in the measurement surfaces of all three measuring devices, from a combination of the evaluated signals of the first, second and third measuring device.

The application discloses a large-area defense unmanned aerial vehicle directional attack equipment, a countermeasure system and a correction method, wherein the unmanned aerial vehicle directional attack equipment comprises a single-soldier type equipment shell, a power supply, a switch, a controller A, an interference module and a sky feed subsystem, the sky feed subsystem comprises a directional antenna, and the application further comprises a countermeasure azimuth indication module, the countermeasure azimuth indication module comprises a direction sensor A, a display A, a GPS positioning module A, a voice module A and a wireless signal transceiving module A. The large-area defense unmanned aerial vehicle directional attack equipment can be effectively incorporated into the unmanned aerial vehicle countermeasure system, so that the flexibility and the countermeasure efficiency of the unmanned aerial vehicle countermeasure system are remarkably improved. The countermeasure system of the application can remotely correct the detection direction of the unmanned aerial vehicle directional detection equipment and the countermeasure direction of the unmanned aerial vehicle directional attack equipment, so that the countermeasure efficiency of the unmanned aerial vehicle countermeasure system is remarkably improved.

This invention discloses a lightweight net-capture launching device for countering handheld micro-fired drones, relating to the fields of structural mechanics and explosives technology. It includes an outer casing and a net, with a launching cavity in the center of the outer casing and a pre-drilled hole for the warhead inside the cavity. The launching cavity of this handheld micro-fired drone countermeasure device features an integrated design and multiple pre-drilled ports for pyrotechnic components. The number of pyrotechnic components, the type of propellant, and the dosage can be flexibly adjusted according to the type of target drone, achieving precise control of the warhead's velocity and the net's range. It can effectively cover ultra-short-range low-altitude targets, and compared to traditional high-pressure gas cylinder-driven devices, the range is more than doubled, enabling rapid response to high-speed drones. Furthermore, the device is constructed entirely of high-strength, lightweight materials, and components such as the auxiliary disc, slide, and magnetic plate improve aiming stability, significantly reducing the difficulty of single-soldier operation and facilitating portability and rapid response.

The application discloses a movable water surface and underwater integrated offshore interception system, and belongs to the technical field of marine defense. A propeller is installed on each floating body, and an upper computer is installed on each floating body. A navigation light pointing system and a high-precision inertial navigation system are arranged on the floating body, and the navigation light pointing system and the high-precision inertial navigation system are electrically connected with the upper computer installed on the floating body. A mast is arranged on the top of the floating body, a camera of a 360-degree remote omnidirectional video system on the sea and a signal antenna of a MESH self-organizing network offshore base station are arranged on the mast, and the 360-degree remote omnidirectional video system on the sea and the MESH self-organizing network offshore base station are wirelessly communicated with the upper computer. The application adopts a modular assembly design, is convenient to disassemble, replace and store and maintain, has small engineering quantity, and has high concealment and is not easy to be found. The application adopts a cylindrical floating body, a cross propeller and a double-floating body shared mooring design, and the anti-overturning ability, the maneuverability and the offshore stability of the system are improved.

The invention relates to weaponry, and more particularly to ammunition with a snare for incapacitating aerial drones. A projectile with snares for incapacitating flying drones comprises a base part having an imaginary longitudinal axis, a cassette, and a cap which is open at the back, the cassette and the cap being disposed on the imaginary longitudinal axis. An air burst means for a propelling charge is also provided. The propelling charge is disposed inside the cap between the front part of the cap and the front part of the cassette. The cassette comprises first and second fins which are perpendicular to the imaginary longitudinal axis and are connected to a shaft. The configuration of the fins is disclosed. A first snare comprises a first ring, weights of the first snare, and lines of the first snare. The positioning of the first snare and the first ring and the design of the weights and lines are also disclosed. The base part is connected to the cassette or is a part of the cassette. A third fin is positioned in front of and parallel to the second fin and is connected to the shaft. A second snare is additionally provided, said second snare being disposed between the second and third fins and comprising a second ring, weights, and lines. The positioning of the weights of the second snare and the fastening of the weights to the second snare by lines are disclosed. The technical result consists in increasing the likelihood of incapacitating a flying drone.

A system and corresponding method are presented. The system comprising a primary radar system comprising oonnee or more phased array antenna systems, a sensor arrangement, and a control system. The sensor arrangement comprises one or more sensors configured for collecting sensing data indicative of presence and location of one or more unmanned aerial vehicles (UAV's) within a predetermined region, and to provide said sensing data to the control system. The control system comprises at least one processor configured for processing the sensing data, determining a need to deactivate score for the one or more UAV's, and generating operational instructions to the primary radar system for generating deactivation beam directed toward location of said one or more UAV's, thereby deactivating said one or more UAV's.

The application discloses a flywheel vortex paddle laminated canister for an electromagnetic defense system and ammunition, and belongs to the technical field of short-range defense weapon systems. The canister comprises a core, a center rod and a shell, and the core is composed of multiple flywheel vortex paddle plates which are coaxially laminated on the center rod. The paddle plates form a parameterized sequence, in which at least one parameter of the blade installation angle and the mass eccentricity changes in a preset gradient in the sequence. After being launched, the core rotates under the driving of the airflow, and the paddle plates generate differential axial tension and precession drift due to the above-mentioned gradient difference, so that two-dimensional controllable diffusion is realized in the airspace in a programmed manner, and high-efficiency interception of the barrage is formed in a predetermined shape and density. The application combines the low-cost advantage of electromagnetic emission, avoids the bottleneck of serious ablation and expensive guidance, overcomes the defect of disordered dispersion of traditional canisters, and realizes "super-saturation counterattack" on high-performance-price-ratio targets such as unmanned aerial vehicle swarms.

The present invention provides a method and system for restricting, deterring, and interfering with the movements of threatening mobile entities, thereby eliminating such threats. [Solution] The defense system comprises one or more transmitters that output specific radio waves, and a plurality of antennas 3 capable of radiating the radio waves output from the transmitters in a specific direction. The system is configured to interfere with the radio waves radiated from the plurality of antennas 3 to strengthen them at a specific point, thereby forming a radio interference wave at a specific point P. The system scans the radio waves radiated from the plurality of antennas 3 and scans the radio interference wave within a specific two- or three-dimensional region to form a radio interference region S.

This invention discloses a low-altitude swarm drone short-range impact / self-destruct interception and defense system, belonging to the field of drone and short-range missile defense technology. Addressing the problem of illegal intrusion by low-altitude small drones and short-range missiles, this system employs a hemispherical deployment of swarm drones, eliminating low-altitude blind spots through deep fusion analysis of radar and infrared electro-optical composite detection, and establishing a layered defense system. The system innovatively integrates kinetic energy impact, self-destruct fragmentation, and a U-shaped robotic arm-based grabbing interception method, using a rigid frame structure to implement multi-dimensional short-range interception of targets. This invention effectively solves the shortcomings of traditional low-altitude defense systems, such as slow response, low interception efficiency, limited target types, and high interception costs, achieving flexible and efficient handling of complex low-altitude targets.