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A capture probability analytic model for the electromagnetic launched anti-torpedo torpedo

Defence Technology（防务技术） 2022年第2期18卷 261-270页

作者： Bao-qi Wu Xiao-cun Guan Shao-hua Guan Jing-bin Shi National Key Laboratory of Science and Technology on Vessel Integrated Power System Naval University of EngineeringWuhan430033China Jiangsu Automation Research Institute Lianyungang 222006China

With the unique characteristics,electromagnetic launch technology is applicable to launch shipborne anti-torpedo torpedo(ATT).This paper aims to establish an analytic model to pre-evaluate the capture probability of the electromagnetic launched *** mathematics model of the multi-stage coilgun and the trajectory of the ATT is established for *** influence factors of the capture probability are analyzed respectively,including the entry point dispersion of the ATT and the position dispersion of the incoming *** the advanced angle interception mode,the ATT search model is obtained according to the positional relationship,and the course error is synthetically calculated according to the differentiation of implicit function.A geometric method to calculate the integral boundaries of the probability density function is proposed,based on the relative motion of the ATT and the incoming *** verify the proposed integral model,the digital simulation and comparison is *** results reveal that the variation trends and the calculation value of the proposed analytic model are coincident with the statistic results from Monte Carlo *** implications of the results regarding the analytic model are discussed.

关键词： Electromagnetic launch anti-torpedo torpedo Analytic model Dispersion variance Integral boundary

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Analysis of Maneuver Occupying Angle of Submarine Launching anti-torpedo torpedo

Analysis of Maneuver Occupying Angle of Submarine Launching ...

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第30届中国控制与决策会议

作者： Rui Zhang Zhiyong Yuan Limin Ye Zhongle Liu Chong Zhang Academy of Weaponry Engineering Naval University of Engineering Graduate School Naval University of Engineering

anti-submarine torpedo（short for ATT） is the main threat to modern submarine, and hard killing means of anti torpedo is still the difficult point of research. Because of the poor maneuvering ability of submarine, the ATT should maneuver to the best attack position after exit the launching tube while in use of intercepting coming torpedoes, in order to ensure the maximum capture probability of ATT. The space motion equation of the ATT and the final self guidance equation for the coming torpedo are established. The space trajectory of ATT is solved piecewise by numerical solution, the optimal advance angle of the ATT under the current motion state is solved dynamically at every point of the maneuverable turn. When the speed direction of the ATT is the same as that of the best shot advance angle, it is considered that the ATT finished occupancy. The solution can be issued as the best shooting position for ATT. The best shooting point was simulated by solving the different shooting conditions of ATT relate to the homing system parameters, the azimuth of the coming torpedo and the maneuver form of the submarine The best shooting position of ATT in different firing conditions is obtained.

关键词： anti-torpedo torpedo Mobile occupancy Numerical solution

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Interception probability simulation and analysis of salvo of two electromagnetic coil launched anti-torpedo torpedoes

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Defence Technology（防务技术） 2022年第11期18卷 2065-2073页

作者： Bao-qi Wu Guang-sen Wang Xiao-cun Guan Biao Wu National Key Laboratory of Science and Technology on Vessel Integrated Power System Naval University of EngineeringWuhan430033China Jiangsu Automation Research Institute Lianyungang222006China

Electromagnetic coil launch is an important branch of electromagnetic launch(EML)technology,which is suitable for launching anti-torpedo torpedo(ATT).This paper focuses on the EML parameters and the interception probability of the EML two ATTs *** on the launching model of a multi-stage coil launcher,the trajectory model of the ATT and the attacking torpedo,a calculation method for the EML two ATTs salvo parameters is proposed,with the conditions of capture and interception given *** adaptive particle swarm optimization(APSO)algorithm is proposed to calculate the optimal launching parameters,by designing the adaptive inertia weight and time-varying study *** to the analysis of the simulation with Monte Carlo method,EML will improve the interception probability effectively,and the interception probability is affected by the launching *** results demonstrate good performance of the proposed APSO in calculating EML parameters for the two ATTs salvo in certain combat *** of these results are particular regarding the command and decision in the anti-torpedo combat.

关键词： Interception probability Electromagnetic coil launch anti-torpedo torpedo Adaptive PSO

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