Snake-Hot-Eye-Assisted Multi-Process-Fusion Target Tracking Based on a Roll-Pitch Semi-strapdown Infrared Imaging Seeker  

作　　者：Jian Chen Zichao Zhang Ke Yi Yu Han Zhang Ren 

机构地区：[1]College of Engineering,China Agricultural University,Beijing 100083,China [2]Key Laboratory of Urban Land Resources Monitoring and Simulation,Ministry of Natural Resources,Shenzhen 518000,China [3]Systems Engineering Research Institute,China State Shipbuilding Corporation Limited,Beijing 100094,China [4]College of Water Resources and Civil Engineering,China Agricultural University,Beijing 100083,China [5]School of Automation Science and Electrical Engineering,Beihang University,Beijing 100191,China

出　　处：《Journal of Bionic Engineering》2022年第4期1124-1139,共16页仿生工程学报（英文版）

基　　金：sponsored by the National Natural Science Foundation of China under Grant No.51979275;the Joint Open Research Fund Program of State Key Laboratory of Hydroscience and Engineering and Tsinghua—Ningxia Yinchuan Joint Institute of Internet of Waters on Digital Water Governance under Grant No.sklhse-2022-Iow08;the Open Fund of Key Laboratory of Urban Land Resources Monitoring and Simulation,Ministry of Natural Resources under Grant No.KF-2021-06-115;the National Key R&D Program of China under Grant No.2018YFD0700603;the 2115 Talent Development Program of China Agricultural University.

摘　　要：Aiming at intercepting large maneuvering targets precisely,the guidance law of advanced self-seeking missiles requires not only inertial line-of-sight(LOS)angular rate but also target maneuvering acceleration.Moreover,the semi-strapdown stabilization platform has lost the ability to measure the inertial LOS angular rate directly,which needs to be extracted by numerical calculation.The differential operation commonly used in traditional methods can magnify the measurement error of the sensor,resulting in insufficient calculation accuracy of the line-of-sight angular rate.By analyzing the mathematical relationship between the missile-target relative motion and the angle tracking system,a multi-process-fusion integrated filter model of relative motion and angle tracking is presented.To overcome the defect that the infrared seeker cannot directly measure the missile-target distance,following the snake-hot-eye visual mechanism,a visual bionic imaging guidance method of estimating the missile-target relative distance from the infrared images is proposed to improve the observability of the filter model.Finally,target-tracking simulations verify that the estimation accuracy of target acceleration is improved by four times.

关 键 词：Roll-pitch semi-strapdown Infrared imaging seeker Target tracking Biological visual mechanism Snake hot eye Integrated filter 

分 类 号：TN21[电子电信—物理电子学]