8results about How to "Improve combat effectiveness" patented technology

The application discloses a kind of dual-machine formation 2v2 cooperative air combat auxiliary decision generation method, which realizes the efficiency promotion of dual-machine cooperative combat by the dual optimization of tactics and maneuver, and the dynamic analysis of air battlefield situation is realized by cooperative tactical decision-making, and the tactical formulation is carried out according to the situation relationship of enemy and our side, and then the combat target is selected;According to the tactics and the distribution of the combat target tactical role;Based on the target maneuver action library, the target prediction state is calculated, and then the final target prediction state is selected;Then the final target prediction state and the current state of our aircraft are input, the control amount of our aircraft in continuous domain is optimized by improved EDA algorithm, and the optimal flight trajectory of our aircraft is obtained.

The invention discloses a dynamic game-based immediacy decision-making method, which specifically comprises the following steps of: establishing a combat action dynamic game selection model, and determining a red-blue action set of the combat action selection model; determining a battlefield state transition probability of the battlefield action selection model; obtaining a red-blue confrontation strategy according to the red-blue action set and the state transition probability; constructing a state utility function in the battle action selection model; and determining the optimal strategy of the red and blue parties through the zero-sum game. Compared with the prior art, the method not only can dynamically evaluate the advantages and disadvantages of different tactical selections, but also can preferably select an appropriate action sequence and select an optimal action decision in a complex game environment of friend or foe in combination with intelligence update and battlefield feedback.

The application relates to a kind of unmanned aerial vehicle multi-constraint path planning methods based on Bezier curve, comprising: modeling multiple constraint conditions in the cruising process;The control points of Bezier path curve are determined by process constraint conditions and terminal demand;The solution of the to-be-determined control points in the control points is converted into a nonlinear constraint optimization problem, and the specific coordinates of the control points are iteratively solved by a sequential quadratic programming method, and a complete Bezier path curve is generated according to the control points obtained by solving.The application realizes the path planning of near-earth cruising flight throughout the multi-unmanned aerial vehicle confrontation formation target, has the characteristics of strictly meeting multiple constraint conditions, simple and easy to implement, and is suitable for multi-to-multi confrontation scene of powered unmanned aerial vehicle.

The invention belongs to the technical field of ejection seats, and provides a rocket engine ejection direction adjusting mechanism for a light ejection seat, which comprises an active adjusting mechanism which is arranged on a side plate of the seat and is provided with an adjusting main body, a sliding shaft, a rotating shaft, a pull rod and a limiting piece, and the side plate is provided with a round hole and a waist-shaped hole; the sliding shaft and the rotating shaft are in clearance fit with the kidney-shaped hole and the round hole respectively, the two ends of the sliding shaft and the rotating shaft are connected with the rocket engine and the adjusting body respectively, the limiting piece is arranged on the adjusting body, and the adjusting body is driven to rotate through the pull rod and positioned through the limiting piece, so that the injection direction of the rocket engine is changed. The driven adjusting mechanism is installed on the opposite side plates of the seat, provided with a sliding shaft and a rotating shaft and matched with the driving adjusting mechanism to act. The requirement that the light ejection seat can still obtain the optimal air posture when facing pilots in a large-span body weight range is met, and the function of changing the direction of a nozzle of a rocket engine is achieved.

The invention discloses a platform system suitable for reloading air-drop. According to the platform system, a platform is used for bearing an air-dropped object, a mooring device is used for firmly mooring the air-dropped object on the platform, a buffer device is arranged between the air-dropped object and the platform, landing impact borne by the air-dropped object is reduced, the platform is fixed to a central guide rail of an airplane through a fixed traction lock, and movement of the platform in the front-back direction and the left-right direction is limited. And the platform is released when the traction umbrella works. According to the invention, the platform design problem of a large-tonnage heavy-loading air-drop system is solved, and the functions of assembling and dropping large-mass goods are realized.

The application relates to the field of radar and fire control technology, and particularly provides a performance enhancement method of an adaptive fire control system based on a phased array radar. A closed-loop feedback control system is constructed, multi-channel echo signals of the phased array radar are input into a radar signal adaptive processing module in real time, target motion state estimation and clutter spatial spectrum analysis are combined, and beam forming weights and pulse repetition frequencies are dynamically adjusted; target information processed is cooperatively optimized by a target fusion and prediction module and a fire control instruction generation and feedback module, real-time pointing correction of a fire unit and adaptive matching of firing parameters are realized. The application realizes deep cooperation and closed-loop enhancement between radar detection and fire control, improves tracking stability, hitting probability and response real-time performance of the system in a multi-target and strong interference environment, and provides reliable technical support for accurate attack in a complex environment.

The utility model relates to a kind of gliding guidance aircrafts suitable for multiple air drop platform, including hanger and glider, the upper end of hanger is equipped with upper connector, the lower end of hanger is equipped with lower connector and restraint, the upper end of glider is equipped with multiple lifting lugs, restraint is symmetrically arranged in the both sides of hanger, the both sides of glider are symmetrically articulated with spring wing, lifting lug is equipped on spring wing, drive mechanism is equipped in hanger, the output end of drive mechanism is connected with bolt and restraint, bolt is used to connect or separate lower connector and lifting lug, restraint is used to connect or release lifting lug. By connecting glider with hanger, the design constraint of carrier storebracket scheme to glider is simplified or even eliminated. In order to adapt to different carrier storebracket, only need to adjust the connection relationship of hanger and carrier storebracket, and glider is not affected, greatly reduce the difficulty of system modification design, use adjustment, significantly shorten modification design cycle, increase the application range of gliding guidance aircraft.

The invention discloses a narrow pulse interference suppression method based on energy stability judgment and spectrum correlation, and the method comprises the steps: dividing radar intermediate frequency modulo data into a plurality of data intervals according to an amplitude continuous over-threshold criterion, and carrying out the narrow pulse suppression of the data intervals meeting the narrow pulse amplitude and width judgment criterion, a data interval which only meets amplitude and does not meet width judgment is divided into echo signal subintervals and interference signal subintervals, correlation coefficients of signal frequency spectrums of the echo signal subintervals and local signal frequency spectrums are calculated, each interference signal subinterval is traversed, correlation coefficients of the frequency spectrums and the sum of the signal frequency spectrums of the echo signal subintervals and the local signal frequency spectrums are calculated, and the frequency spectrums of the interference signal subintervals are calculated. And performing narrow pulse interference detection and suppression on the interference signal subintervals according to a correlation coefficient judgment criterion, and repeating the process until all data intervals are processed. According to the invention, detection and suppression of narrow pulse interference in a high signal-to-noise ratio echo background are realized, and the target detection performance of the radar in an interference environment is improved.