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Research on Autonomous Navigation Technology for Missile Formation

Author: FengJiHang
Tutor: JingWuXing
School: Harbin Institute of Technology
Course: Aircraft design
Keywords: Missile formation Autonomous Navigation Kalman filter Least square location of the target
CLC: V448.224
Type: Master's thesis
Year: 2010
Downloads: 99
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Abstract


In order to improve the single missile’s combat ability and enhance the operation effectiveness of different missile weapon systems ,missile cooperation will be the inexorable trend. Base on this background, this dissertation study the autonomous navigation technology during the missile formation and the method of locating the fixed target.First of all,INS is still the standard configuration,so we still use SINS as the main navigation system.According to the trajectory of the aerodynamic missile,we establish the navigation equation in the launch coordinate which is fixed to earth, which means the navigation equation will be very simple and the missile’s trajectory can be easily described.Furthermore ,due to the leader-follower formation, a missile-to-missle tracking method is presented in the cruise section,which employes the leader’s high precision navigation information to improve the followers’navigation results in the formation. The leader broadcasts its navigation state to the follower and the follower measure the relative state about the leader, then use the Kalman filter to improve the follower’s navigation results. This way are very easy to realized.What’s more ,we model and analyse the error of the strapdown inertial navigation and the measuring device, for the defect of the strapdown inertial navigation, we studied a integrated navigation method which consists of the Doppler radar and Inertial navigation , and simulate the two methods respectively.Last ,but not least ,we use Extended Kalman Filtering (EKF) and Recursive least square (RSL) two ways to locate the fixed target respectively, and analysed the results between the two methods.

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CLC: > Aviation, aerospace > Aerospace ( Astronauts ) > Space instrument,spacecraft devices,spacecraft guidance and control > Guidance and Control > Spacecraft guidance and control > Attitude Control System > Autonomous navigation
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