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615 results about "Artillery" patented technology

Artillery is a class of heavy military ranged weapons built to launch munitions far beyond the range and power of infantry's small arms. Early artillery development focused on the ability to breach defensive walls and fortifications during sieges, and led to heavy, fairly immobile siege engines. As technology improved, lighter, more mobile field artillery cannons developed for battlefield use. This development continues today; modern self-propelled artillery vehicles are highly mobile weapons of great versatility providing the large share of an army's total firepower.

Unmanned aerial vehicle system and method for dynamically positioning ground moving target

The invention discloses an unmanned aerial vehicle system and a method for dynamically positioning a ground moving target, belonging to the fields of unmanned aerial vehicle system application and the like. The unmanned aerial vehicle system comprises an unmanned aerial vehicle body, a vehicle-mounted photoelectric rotating tower and a ground control terminal, wherein the unmanned aerial vehicle body comprises an acquisition device, the vehicle-mounted photoelectric rotating tower comprises a photoelectric sensor and a sight-stabilizing platform, and the ground control terminal comprises a determining device, a trace command generating device, a resolving device and a predicting device. According to the technical scheme provided by the invention, geographical coordinate information including latitude, longitude and the like of a tracked ground moving target can be output in real time, the original geographical coordinate information can be accurately and quickly fitted, the moving trend of the ground moving target can be predicted and evaluated, and the original geographical coordinate information can be screened to realize display and prediction of the track of the moving target; the positioning accuracy acquired by the unmanned aerial vehicle system and the method approaches that of static positioning and can meet requirements for initial alignment of weapons including artilleries and the like, and the probability of fusion processing of an unmanned aerial vehicle intelligence system and an entire-army intelligence gathering network is provided.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

Generalized-morphology-based automatic filling system fault diagnosis method

The invention relates to a generalized-morphology-based automatic filling system fault diagnosis method. The method includes that aiming at high-speed motion of each mechanism when an automatic filling system works, measuring points are arranged at each angle motion component position, a driving motor and a power source portion to measure vibration acceleration, angle motion parameters and load current response signal for data analysis and fault classification recognition; experiment testing, signal processing, feature extracting and fault diagnosis are integrated, and automatic diagnosis, alarming and predicting can be realized. Aiming at different fault types of the automatic filling system, a generalized-morphology-based early fault diagnosis method is developed, convenience and quickness in fault diagnosis and prediction of the automatic filling system are realized, the problem that a medium-large-caliber artillery automatic filling system is backward in maintenance means and needs to be demounted greatly for inspection is solved, and the fault diagnosis method is high in intelligence level, low in maintenance cost, short in period, less prone to misdiagnosis and missed diagnosis and adaptable to needs of equipment and weapon development.
Owner:ZHONGBEI UNIV

Situation understanding and intent-based analysis for dynamic information exchange

The system provides predictive error-checking and conflict resolution by comparing data contained in cognitive artifacts such as orders / instructions and reports against one another and against existing domain-specific databases, procedural and conceptual models, reasoning schemes, (in military domain specific applications, that would be terrain, weather, equipment, artillery, logistics, rules of engagement, field manuals, military doctrine, models of war games, etc) to determine their validity and effectiveness. Possible situations, states, or conditions arising from inferred actors' intent are recognized through expert systems analysis and trigger information exchanges. The system further advance Intention Awareness by enabling users to view information corresponding to the applicable environment obtained from external application systems across interoperability bridge. Through its graphical user interface the system allow users to graphically visualize and communicate their intent. The system also provides the management of information exchanges, where decisions to exchange a specific item of information are based on a set of metrics within a particular application-specific domain knowledge (such as importance, scope, time window of relevance as well as doctrine and rules of engagement in a military domain knowledge. Such metrics are evaluated while making information exchange decisions.
Owner:HOWARD NEWTON

High-speed target tracking control method applied to photoelectric tracker

The invention discloses a high-speed target tracking control method applied to a photoelectric tracker, and belongs to the technical field of servo control. Relevant parameters outputted from the photoelectric tracker, artillery, a carrier inertial navigation system, a video tracker and a laser range finder are utilized, calculation of tracking feedforward compensating parameters of an orientation speed ring and a pitching speed ring below an aiming line coordinate system is completed through a series of coordinate transformation, recursive iteration and coordinate inverse transformation, and the parameters are respectively superimposed to an orientation and pitching tracking control loop to participate in tracking control. By the adoption of the photoelectric tracker, the high-speed target tracking control method has the advantages of being high in response speed, little in dynamic lag, high in tracking precision and good in tracking stability when the method is used for tracking an incoming high-speed moving target, is suitable for tracking high-speed moving targets such as incoming guided missiles and aircrafts by vehicle-mounted and ship-based photoelectric tracking systems, and has great significance in improvement of target resolving precision of fire control systems and operational effectiveness of the whole weapon system.
Owner:西安应用光学研究所

Automatic fire extinguishing cannon and its control method

ActiveCN1602978ARealize remote automatic controlGet location information in timeFire rescueAutomatic controlEngineering
The invention automatic fire artillery and its control method, is composed by the artillery body and the control system, its characteristic is the system is composed by the water supply installment, the flame picture locator, the decoding as well as the computer; The computer control artillery body movement, accepts the fire alarm through the hypothesis procedure, gains the artillery body position and the flame picture information through the angle potentiometer and the flame picture locator, promptly adjusts the artillery body position and the nozzle angle, after aims the artillery body nozzle at the flame surface vanguard, automatically turns on the water pump and the motorized valve,sprays water to the fire point,fights the fire, until the flame extinguishes, this road alarm has already eliminated.The invention automatic fire artillery can linkage with the fire prevention alarm system,the computer automatic control fire prevention artillery to carry on the flame recognition in spatial scope of the hypothesis monitoring, the flame space localization and automatically open the valve spraying of water, suppresses the flame, specially suits to the big space and nobody value defends the situation the fire safe monitoring and save goal, may raise the automated level of the early fire saves goal.
Owner:HEFEI KDLIAN SAFETY TECHNOLOGY CO LTD

Method for diagnosing fault of automatic ammunition supply and transportation device

The invention discloses a method for diagnosing a fault of an automatic ammunition supply and transportation device, and aims to realize low maintenance cost and short period. The method comprises the following steps of: arranging measurement points on the large-aperture artillery automatic ammunition supply and transportation device, and selecting driving current of an ammunition supply motor and a hydraulic oil source motor as the measurement points according to a driving mode supplied by an automatic ammunition supply and transportation motion cyclic graph; simultaneously acquiring and recording angular displacement signals and angular speed signals of a rotary ammunition cabin, a coordination arm, a turning mechanism and an ammunition transportation mechanism as well as load current change signals of driving motors by a portable signal acquirer; performing signal data correction work of baseline drift correction and wild point removal on the acquired and recorded angular motion signals and current change signals; performing time domain analysis on an acquired acceleration impact signal and an acquired current impact signal, and making an amplitude probability density and probability distribution curve; and performing short-time-frequency characteristic extraction and small sample signal analysis on an impact response signal, analyzing a wavelet energy spectrum, and supplying peak values and frequencies in a frequency domain, and energy and entropy of each frequency band.
Owner:ZHONGBEI UNIV

Frangible kinetic energy projectile for air defense

A Kinetic Energy penetrator round is shown effective in neutralizing incoming air borne threat munitions such as rockets, artillery, or mortars for instance, without posing a threat in urban environments to harm bystanders on the ground. There are also no hazards or expense with this round of cleaning up unexploded ordnance, which might have occurred with other types of rounds due to unreliability of self destruct mechanisms. Shown herein is a kinetic energy penetrator for air defense that merely self destructs beyond its operational range into fragments that are not lethal to personnel on ground; no pyrotechnic or energetic materials means are used to activate this self destruct process. A full bore projectile structure is shown that is composed of plural axi-symmetric circular disks stacked on each other and tied by a shape memory metal wire of Nitinol. While operational as a joined group, the disks are a formidable round to kill an incoming air target. After the self destruct phase however, each disk is separated from adjacent disks on either side by a spring mechanism that enables separation after the process is initiated in flight when the Nitinol wire deforms due to heating from air drag. Each disk then proceeds alone with low enough terminal kinetic energy on the ground to be less than lethal.
Owner:UNITED STATES OF AMERICA THE AS REPRESENTED BY THE SEC OF THE ARMY
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