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Simple Control Technology of the Rocket Projectile Booster Phase Trajectory

Author: YuanRui
Tutor: WangLiangMing
School: Nanjing University of Technology and Engineering
Course: Armament Launch Theory and Technology
Keywords: Trajectory Trajectory estimates Pulse control Simulation Analysis
CLC: TJ415
Type: Master's thesis
Year: 2010
Downloads: 184
Quote: 1
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Abstract


Development of rockets toward the direction of the remote , high-precision , its impact point dispersion larger problems must be solved . Simple control technology at home and abroad to improve technology of choice for a low-cost ammunition hit accuracy . Rocket impact point dispersion is mainly caused by the spread angle of the velocity vector direction by the end of the active phase of the rockets . This article from the point of view of analyzing the characteristics of rocket segment Trajectory explore an active phase of the implementation of simple control method to improve the rocket impact point hit accuracy . By measuring the active section of the pre trajectory parameters , and compare the same time , with the amount of deviation from the reference trajectory , and then estimate the impact point deviation to determine the number of the pulse azimuth and role . Simple control of the ballistic projectile flight attitude , pulse change . A 300mm caliber remote low-speed rotation of the tail rockets for the study, a detailed analysis of the rockets by force and torque , the six degrees of freedom space rockets containing pulse correction force and moment by the theorem of momentum and moment of momentum theorem equations of motion ; caused by external ballistics theory analysis of pulse force and moment changes in the angle of attack and speed the end of the active phase of the rocket declination ; simulation analysis of the the pulse engine basic parameters and the arrangement of the correction capability to select a suitable the projectile 's pulse engine basic parameters amount ; selection of appropriate prediction method estimates trajectory deviation to determine the ignition control strategy , and the trajectory simulation analysis of the stable flight premise pulses role rocket ballistic Participation amount change in trend , the simulation results show that the control of the pulse the program is feasible .

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CLC: > Industrial Technology > Arms industry > Ammunition, fuses, pyrotechnics > Ammunition > Rockets ( uncontrolled rockets )
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