721results about "Defence devices" patented technology

The invention discloses an unmanned aerial vehicle intrusion real-time alarm and countering guidance system based on RID information. The system comprises a multi-source information acquisition and fusion module, an intrusion detection and threat evaluation module, a real-time alarm and countering strategy generation module, a feedback evaluation and strategy iteration module, a signal loss prediction and compensation module, a comprehensive processing terminal module and the like. The system establishes a three-dimensional geofence model by analyzing remote identification information of the unmanned aerial vehicle and fusing radar, photoelectric, electromagnetic and other multi-source data, and performs dynamic judgment and multi-factor threat grading on a target intrusion state. Multi-mode alarm is automatically triggered according to the threat level, and a hierarchical countering scheme from broadcast alarm and electromagnetic interference to physical capture is generated; and when the RID signal is lost, the system realizes continuous tracking and state recovery of the target by using a motion prediction and probability association algorithm.

The invention discloses an intelligent generation method and device for an unmanned aerial vehicle countering strategy, relates to the technical field of unmanned aerial vehicles, and aims to solve the problems of poor countering means matching effect and low efficiency caused by limited applicable scenes, lack of deep semantic support and single means of unmanned aerial vehicle countering in the prior art. The method comprises the following steps: acquiring multi-source sensor data of a target area, and determining environment information of the target area and situation type information of a suspicious unmanned aerial vehicle; extracting to-be-matched features corresponding to the situation type information from the multi-source sensor data, performing similarity matching on the to-be-matched features and the features of the multiple target matching entity nodes, and determining a matching result; based on the matching result and the environment information, obtaining at least one countering means from the unmanned aerial vehicle countering knowledge graph and generating an initial countering strategy set; and processing the initial countering strategy set by adopting a target optimization algorithm to obtain a target countering strategy. The method is used for improving the matching precision and the matching efficiency of the unmanned aerial vehicle countering technology.

The Portable Digital Twin Robotic System based on Computer Vision for the Identification, Tracking, and Destruction of Suicide Drones is an innovative system that autonomously identifies, tracks, and destroys suicide drones by leveraging Digital Twin and computer vision technology. This system analyzes visual data using artificial intelligence algorithms and performs precise positioning in real-time. Aided by the Digital Twin, the precise simulation of the system's dynamics and movement enables the optimization of paths and precise control of the robot, while the real-time communication between the digital model and the physical robot provides the capability for immediate updates of control algorithms and predictive maintenance. The portable design and the capability to be connected to various types of weapons make this system suitable for installation on military and non-military platforms and improves the security of sensitive areas.

An autonomous drone swarm system and method utilizing artificial intelligence for coordinated operations comprises command drones equipped with large language model processors and subordinate drones coordinated through a hierarchical Queen-Worker architecture. The system processes natural language commands, generates autonomous mission plans, and coordinates multi-drone operations through an encrypted self-healing mesh communication network utilizing laser, radio frequency, and visual communication channels. Multi-modal sensor integration including electro-optical, infrared, LiDAR and photogrammetry, radio frequency, and chemical detection provides comprehensive environmental awareness while federated learning algorithms enable distributed coordination in signal-denied environments. The system implements configurable operational modes spanning tactical (15 minutes-2 hours over 2 to 5 square kilometers), operational (6-24 hours over 20 to 50 square kilometers), and strategic (7-30+days over 200 to 500 square kilometers) mission profiles for military and commercial applications. Fault-tolerant protocols ensure continued operation despite individual failures through automatic task redistribution and leader election procedures.

The invention refers to a counter countermeasures device, for use in an anti-aircraft combat. In one embodiment the CCM device together with an anti-aircraft weapon system forms an air defense system. The counter countermeasures device is configured for generating and emitting electromagnetic radiation of appropriate wavelengths and is capable of operating in spoof and jam mode and switching between both modes. The mode of operation is dependent on the selection of the output power of the EM source unit and the distance to the target. The selection of the output power may be done with a mechanical cover or with an electronic solution, decreasing driving current of the EM sources. With the CCM device the anti-aircraft missile launch warning and detection system installed on aircrafts are deceived and the countermeasures are released. With the use of the CCM device the efficiency of the anti-aircraft combat is highly improved, i.e. the probability of the target hit is highly improved.

The invention discloses a multispectral target identification and laser orientation soft and hard damage anti-unmanned aerial vehicle system. Comprising a multispectral signal acquisition module, a multi-modal data preprocessing module, an unmanned aerial vehicle target feature extraction module, an intelligent target identification and classification module, a laser parameter dynamic configuration module, a directional tracking and aiming module, a soft and hard damage execution module and a damage effect evaluation and feedback module. According to the invention, through multi-spectral fusion acquisition and multi-dimensional feature extraction, haze, camouflage and other environmental interferences are effectively resisted, and the distinguishing precision of the unmanned aerial vehicle and the interference target is improved; laser parameter dynamic configuration and soft and hard damage mode switching can be carried out according to target types and scene requirements, and energy waste or excessive treatment is avoided; and a damage effect evaluation and feedback mechanism ensures thorough target disposal, reduces repeated operation, and improves the system combat efficiency.

The invention relates to the technical field of unmanned aerial vehicle detection, in particular to a civil small unmanned aerial vehicle cat eye detection and countering system which comprises the steps that a cat eye detection module collects cat eye reflection characteristic signals, environment sensing data and unmanned aerial vehicle flight state associated information in an airspace; the threat level evaluation center identifies the type of the unmanned aerial vehicle and the intrusion risk level through an improved random forest model, and measures the real-time airspace position; the dynamic trajectory modeling module constructs a digital twin flight model of the civil small unmanned aerial vehicle, and simulates a flight trajectory and a potential intrusion path by using an intention pre-judgment algorithm; the grading countering unit generates a non-destructive countering strategy according to the intrusion risk grade, the flight path and the potential intrusion path; the man-machine interaction unit constructs a visual airspace monitoring scene, renders a detection result, an intrusion risk level and a countering effect in real time, and carries out man-machine interaction operation. Therefore, the problems of insufficient perception, poor decision collaboration and the like in the prior art are solved.

The invention discloses an unmanned aerial vehicle countering system, and relates to the technical field of unmanned aerial vehicle countering, and the system comprises a plurality of guidance unmanned aerial vehicles which are used for carrying out the rigid interception of black flight unmanned aerial vehicles; the radar is used for discovering a black flight unmanned aerial vehicle target; the medium-wave infrared camera is used for performing image recognition on the black-flight unmanned aerial vehicle target; the control center is used for displaying a signal detected by the radar and a target image and generating a control instruction; the radar transmits the control instruction to the unmanned aerial vehicle, and controls and guides the unmanned aerial vehicle to fly to the black flight unmanned aerial vehicle and collide with the target; guidance of the unmanned aerial vehicle further comprises image terminal guidance, namely, an airborne image recognition and tracking system autonomously finds a target, tracks the target and guides the unmanned aerial vehicle to intercept collision; and guiding the unmanned aerial vehicle to autonomously adjust the flight attitude after the target is hit, and executing a task according to an instruction after stabilization. According to an actual deployment scheme, the radar instructs the guidance unmanned aerial vehicle close to the deployment incoming attack direction to take off and execute a countering task, and the interception probability can be effectively improved.

The invention discloses an unmanned aerial vehicle catching gun grenade, and relates to the technical field of unmanned aerial vehicle defense. The gun grenade comprises an air cap, a heavy hammer part sleeve, a catching net, a net expanding exploder and a cartridge case. The heavy hammer part sleeve is formed by combining a plurality of split heavy hammer blocks, and the rear end of the heavy hammer part sleeve is hooped by a brittle constraint ring. The net expanding exploder comprises a delay ignition unit and an explosion initiation unit. After launching, the delay ignition unit triggers the detonation unit after delaying a preset time to generate impact to crush the brittle constraint ring, so that the heavy hammer block carries the catching net to be scattered and unfolded at a high speed, and interception is realized. The device is compact in structure, low in cost and high in reliability, can be launched through a gun grenade launcher, is particularly suitable for being carried and used by an individual soldier, and can effectively cope with the threat of a small-sized high-speed unmanned aerial vehicle.

The invention discloses an unmanned aerial vehicle target tracking method and system, and relates to the technical field of radio monitoring and unmanned aerial vehicle control, and the unmanned aerial vehicle target tracking method and system can analyze the radio signal of an unmanned aerial vehicle, combine the three-dimensional map data, unify the coordinate reference, and eliminate the height reference difference. And a three-dimensional space model is constructed to accurately calculate the spatial position relationship between the unmanned aerial vehicle and the control equipment, so that the positioning precision and the tracking effect are improved, and the technical problem of large positioning error in a complex electromagnetic environment and terrain in a traditional method is solved.

A handheld drone denial device, characterized in that the device comprises a laser emission unit comprising a high peak power pulsed laser and an adjustable beam expander, a sighting unit comprising a range finder and a sighting scope, a control unit comprising a denial device start and laser emission unit trigger switch, a power supply and a housing, the configuration of the laser emission unit, sighting unit, control unit, power supply, the structure of the housing and the arrangement of the units including the power supply on the carrier satisfy that the device discovers, locks and measures the range of a drone target through the sighting unit, manually or automatically adjusts the output laser beam divergence angle of the beam expander according to the range measurement result, and then or simultaneously triggers the laser emission unit trigger switch to emit laser to the drone target, wherein the adjustment of the beam expander includes that the adjustment of the beam divergence angle from a range of 500 meters to a range of 100 meters is incremental adjustment, or the adjustment of the beam divergence angle from a range of 100 meters to a range of 500 meters is decremental adjustment.

The invention relates to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle countering method and system, and the method comprises the steps: carrying out the unmanned aerial vehicle detection of a corresponding detection region based on an unmanned aerial vehicle tracking device; in response to the detected unmanned aerial vehicle, laser emission parameters of a laser module are adjusted based on the detected distance between the unmanned aerial vehicle and the unmanned aerial vehicle tracking device; and the laser module after adjustment of the laser emission parameters emits laser to interfere with the unmanned aerial vehicle detected by the unmanned aerial vehicle tracking device. According to the scheme, the accuracy and the safety of countering the unmanned aerial vehicle through the laser are improved.

The invention relates to the field of low-altitude safety prevention and control, and provides an unmanned aerial vehicle collaborative interception method and device and a storage medium. The method comprises the following steps: scanning by a ground monitoring command and control subsystem to detect an invading target unmanned aerial vehicle; after the target unmanned aerial vehicle is detected, the target unmanned aerial vehicle is aligned for re-checking identification, and information of the target unmanned aerial vehicle is solved in real time after successful identification; the ground monitoring command and control subsystem generates an interception instruction based on the calculated target unmanned aerial vehicle information and a preset threat evaluation rule; issuing the interception instruction together with target unmanned aerial vehicle information updated in real time through an encrypted data link; the air interception subsystem flies to a predicted encountering point after receiving an interception instruction and target unmanned aerial vehicle information; and when the distance with the target unmanned aerial vehicle is smaller than a preset threshold value, activating an airborne dual-light fusion AI visual guidance system to lock the target unmanned aerial vehicle, and executing a corresponding tail end disposal operation according to a disposal mode specified in the interception instruction.

The present application relates to a kind of unmanned aerial vehicle impact interception methods based on monocular vision, the azimuth measurement information and angle measurement information of target unmanned aerial vehicle are calculated by target detection algorithm based on monocular vision;Azimuth measurement information and angle measurement information are used, through orthogonal projection matrix and algebraic transformation, non-linear measurement is converted into pseudo-linear form, then pseudo-linear adaptive Kalman filtering algorithm is carried out to estimate the position of target unmanned aerial vehicle, finally, unmanned aerial vehicle maneuvering strategy is used to control impact unmanned aerial vehicle to realize the impact interception of target unmanned aerial vehicle.The method of the present application is obviously improved in system noise robustness, target state estimation accuracy and pursuit efficiency.The present application also relates to impact unmanned aerial vehicle guided by the above impact interception method.

The invention relates to the technical field of unmanned aerial vehicle countering, discloses a dynamic defense model construction method for unmanned aerial vehicle countering, and aims to solve the safety management problem caused by unmanned aerial vehicle application and the limitation of an existing countering technical strategy. State changes of the unmanned aerial vehicle and countering equipment can be accurately presented, and environmental interference can be adaptively realized. By constructing an optimization model, resource allocation is optimized by taking maximization of a countering probability and minimization of resource consumption as targets and combining indexes such as a scientifically quantified countering success probability and the like. An improved genetic algorithm is used for solving a countering strategy, and the algorithm searching capability is enhanced. The method has the beneficial effects of improving countering accuracy and reliability, efficiently utilizing resources, adapting to a complex environment, realizing dynamic optimization of a countering strategy, effectively coping with security threats of the unmanned aerial vehicle, and providing a scientific and efficient solution for countering the unmanned aerial vehicle.

An explosives detonator is configured to be moved across land by a vehicle platform to detonate explosives positioned on or in the land. The explosives detonator includes a frame and a plurality of rollers coupled to the frame. The plurality of rollers are configured to engage and roll along the land relative to the frame about respective roller axes as the vehicle travels along the land. The rollers are weighted to exert pressure on the land and activate any pressure-sensitive explosives, such as mines.

Disclosed are a method, system, and apparatus of a rapidly expandable anti-drone mesh system and method. In one aspect, a system includes a protected asset, an armored mesh on the protected asset, a sensor system to detect a hostile drone to imminently collide with the protected asset in an impact zone, and a responsive mechanism of the protected asset to cause a high-pressure gas to rapidly expand the armored mesh in the impact zone of the protected asset when the sensor system detects the hostile drone to imminently collide with the protected asset. The armored mesh preserves the protected asset by causing the hostile drone to impact the armored mesh instead of directly the protected asset. The protected asset may be a building, a vehicle, a wearer of a tactical gear, a civilian, a soldier, a boat, a tank, a weaponry, an airplane and / or an infrastructure.

The anti-unmanned aerial vehicle special bullet comprises a bullet shell and a bullet head inserted into the bullet shell, the bullet head comprises an air cap and a bullet support which are connected with each other, the bullet support is arranged in the bullet shell, a containing cavity is formed in the bullet support, and a plurality of bullet clusters are contained in the containing cavity. Each bullet cluster comprises a plurality of cylindrical bullets, a propelling assembly is further arranged on the bullet shell and used for driving the bullet head to leave the bullet shell, and the structure of the bullet support is arranged to be capable of cracking after leaving the bullet shell so that the cylindrical bullets can be scattered. According to the anti-unmanned aerial vehicle special bullet, the bullet cluster is loaded in the bullet support in the bullet shell, the bullet cluster enables the bullets to be scattered under the action of the propelling assembly and air resistance, so that main killing power is provided, the defect that shotgun guns or other anti-unmanned aerial vehicle equipment is often needed for main killing in anti-unmanned aerial vehicle combat is overcome, and the anti-unmanned aerial vehicle special bullet is suitable for being used in unmanned aerial vehicle combat. The problems of universality and portability of an individual soldier in anti-unmanned aerial vehicle combat in a contemporary combat environment are solved.

A projectile includes a shell defining a cavity and one or more retainers. A bolo is disposed within the cavity and a backplate is engaged with the one or more retainers. The backplate is configured to separate from the shell to release the bolo in response to imbalanced forces resulting from deploying the projectile.

Drone defense system comprising detection devices (10), an evaluation unit and a weapon unit (20), wherein the weapon unit (20) has a plurality of firing devices (21).

A civil defence protective structure comprising a building (body) (1), walls (4) and a roof (2). The roof (2) has a hemispherical cross-section, the edges of which have a flat section (3) designed to join with the flat edges of the rectangular walls (4). The structure has partitions (10), in the upper part of which there are through holes (11) with a crossbar (12) in the lower part, which divide the partition (10) into an inner part (13) and an outer part (14) relative to the entire structure. All structural elements are made of prefabricated reinforced concrete elements and are connected to each other to form a single room with an entrance.

The invention discloses an unmanned aerial vehicle autonomous approaching and netting control system based on visual servo, and belongs to the technical field of unmanned aerial vehicle control. The high-precision two-axis pan-tilt mechanism, the binocular vision module, the netting launching device and the electromechanical system main control unit of a hierarchical control algorithm are integrated, automatic recognition, accurate distance measurement, stable tracking and intelligent striking of a dynamic target are achieved, and the two-axis pan-tilt mechanism enables the netting launching device to have the motion freedom degree independent of an unmanned aerial vehicle platform. The effective striking range of the system is effectively expanded by combining a high-precision target positioning and servo tracking algorithm based on binocular vision, the capturing precision and the adaptive capacity of a dynamic target are remarkably improved, and through fusion of deep learning target detection, binocular vision pose calculation and a hierarchical control strategy, the dynamic target capturing precision and the adaptive capacity of the system are improved. The full-process independence from target identification, tracking approximation to attack decision making is realized, and a multi-subsystem efficient and collaborative working architecture is formed through unified scheduling of the main control unit.

The invention discloses a low-altitude unmanned aerial vehicle countering monitoring system based on state feature decoding, relates to the technical field of unmanned aerial vehicle prevention and control, and is used for solving the problem of poor low-altitude target detection and countering. According to the invention, through closed-loop management and control of heterogeneous radar networking detection, signal level fusion processing, threat assessment and resource scheduling and intelligent countering decision, accurate identification and directional countering of the low-altitude unmanned aerial vehicle are realized; according to the method, the detection precision and the micro-Doppler feature extraction capability of a low-speed small target are improved by combining a virtual aperture synthesis technology, then unbalanced resource allocation is implemented based on a threat level, the system efficiency is optimized, and finally seamless migration of an interfered node task is realized by constructing a signal interference situation map. And continuous tracking and effect evaluation on the target are maintained in the active radio frequency countering process, so that the overall efficiency and reliability of low-altitude security and protection in a complex environment are effectively improved.

The application discloses a kind of laser anti-UAV system cooperative countermeasure decision methods, from multiple distributed deployment laser anti-UAV system according to the damage requirement decision of unmanned aerial vehicle best countermeasure combination. Main decision mechanism and process are: according to the unmanned aerial vehicle image information obtained by each laser anti-UAV system detection equipment, the unmanned aerial vehicle in the air is cooperatively positioned, and the flight trajectory data of unmanned aerial vehicle is obtained;Interception feasibility sequencing is carried out to the laser anti-UAV system satisfying accessibility;The launch energy of each accessible system is calculated in turn according to the distance and direction of target, and the energy of accessible system and the damage threshold of unmanned aerial vehicle are judged to choose, the decision method of the application can complete the countermeasure to unmanned aerial vehicle by the cooperation of multiple laser anti-UAV systems, overcome the defect that single laser anti-UAV system cannot realize countermeasure due to insufficient energy, reduce the requirement of energy, volume and the like of single laser anti-UAV system.

The invention relates to the technical field of low-altitude defense detection interference, in particular to detection interference integrated low-altitude defense equipment which comprises a mounting frame, a telescopic rod is rotationally arranged on the side face of the mounting frame, a restraint frame is arranged in the center of the lower side of the mounting frame, and a connecting rod is arranged between the restraint frame and the telescopic rod. A radar assembly is arranged on the upper side of the mounting frame, and a driving assembly is arranged on the inner side of the mounting frame. According to the invention, the radar assembly and the driving assembly are arranged, the first radar module is arranged to carry out large-range high-frequency accurate detection, the second radar module is arranged to carry out low-frequency confirmation detection, and the multi-band interference module is combined, so that an automatic defense process of preliminary detection-re-confirmation-full-frequency interference is constructed; the design of combining high and low frequency signals and integrating detection and interference avoids the complexity of arrangement, installation and line connection of traditional discrete equipment, and is matched with the driving rod to switch the lifting operation and the rotating operation of the movable frame.

An electronic protection (EP) missile has its warhead unit replaced by an electronic warfare (EW) pod which functions to jam enemy air defenses to protect the other missiles in a long rage strike package throughout a mission. The EP missile is otherwise configured similar to armed missiles with which it is launched as part of the strike package.

The invention relates to a method for intercepting a flying object through aerial high-speed net casting, which is used for solving the technical problem of low interception success rate caused by insufficient maneuverability of an interception means and lack of enough large and reliable interception area when approaching a target in the prior art, and comprises the following steps: controlling an unmanned aerial vehicle to fly to approach the target; an unlocking signal is sent to a locking mechanism arranged on the machine main body, so that the locking mechanism synchronously releases all the power systems; the released power system flies away by means of self-rotation inertia, and the catching net connected with the power system is pulled by the pulling rope, so that the catching net is unfolded to form an intercepting area in the flying-away process. The unmanned aerial vehicle keeps flying at a high speed in the pursuit stage, the unmanned aerial vehicle flies away through inertia of a plurality of power systems in the interception stage, the capture net is unfolded to form an interception area larger than the projection area of the vehicle body, and compared with a traditional interception method, the interception method has the higher interception speed and the higher interception success rate.

The invention relates to the technical field of photoelectric detection and radars, in particular to a calibration method, system and device for a radar and a laser anti-collision device and a medium, and aims to track and lock the same dynamic non-cooperative target through the laser anti-collision device and the phased array radar. Synchronously acquiring spherical coordinate observation data of the dynamic targets in the public view field under respective coordinate systems; and after the spherical coordinates are converted into rectangular coordinates, calculating a point set centroid, constructing a covariance matrix and performing singular value decomposition based on a rigid body transformation model, and directly solving a rotation matrix and a translation vector from a radar coordinate system to a laser anti-equipment-free coordinate system, thereby completing calibration. No external absolute coordinate reference is needed, only relative observation data of equipment is utilized, and the method has the advantages of being rapid in deployment, high in environmental adaptability, low in cost and high in calibration speed. The problems that in the prior art, a calibration system depends on RTK or a high-precision map, the environmental adaptability is poor, and the deployment requirement is high are solved.

The invention discloses a capture net launching ammunition for intercepting an unmanned aerial vehicle, belongs to the technical field of unmanned aerial vehicle interception, and is suitable for middle and close range interception of a small FPV unmanned aerial vehicle in military and security scenes. The ammunition comprises an outer sleeve, a cartridge case, a primer, propellant powder, a partition plate, a shifting rod, a carbon fiber net and four to six net hammers. When the net hammers are combined, a cylinder structure for accommodating the carbon fiber net is formed; the shifting rod is arranged in a bottom groove of the net hammer, and an outer end protruding part is matched with a straight groove and a spiral groove in the inner wall of the cartridge case. After percussion, gunpowder fuel gas pushes the partition plate to drive the assembly to advance, the shifting rod moves and rotates along the guide groove, the net hammer is driven to scatter centrifugally, the carbon fiber net is unfolded to form a 100-square-meter interception area, and the effective interception distance is about 50 meters. The device can also be transformed into a gun grenade form, is adaptive to standard gun launching, is compact in structure, is reliable to unfold, and can cope with the threat of a small-sized high-speed unmanned aerial vehicle.

The invention relates to the technical field of electronic countermeasures, in particular to an unmanned aerial vehicle group dynamic interception method and system based on distributed interference array collaboration. According to the method, an interference node cluster with autonomous logic association is dynamically deployed in a defense domain, and an elastically reconfigurable distributed interference field domain is formed through a software defined radio architecture; time-varying spectrum features are extracted through an adversarial neural network, and a dynamic threat fingerprint database is constructed; generating an interference vector with frequency band following and power self-adaption based on the dynamic threat fingerprint database, and updating the feature weight of the dynamic threat fingerprint database in real time according to interference efficiency feedback; and according to the situation evolution trend of the dynamic threat fingerprint database, a hierarchical interference wave sequence is generated based on a multi-agent consensus protocol, and a space-time coupled interception chain is formed. Through the method, the whole-process dynamic confrontation capability of the unmanned aerial vehicle group is realized, the efficient interception performance is maintained in a complex electromagnetic environment, and meanwhile, the interference risk on legal communication is reduced.