Welcome to Acta Armamentarii ! Today is

Acta Armamentarii ›› 2016, Vol. 37 ›› Issue (2): 232-238.doi: 10.3969/j.issn.1000-1093.2016.02.006

• Paper • Previous Articles     Next Articles

Research on Acquisition Probability of a Novel Hedgehopping Terminal Sensitive Projectile

ZHAO Bo-bo1,2, LIU Rong-zhong1, GUO Rui1, CHEN Liang1, LIU Lei1, YANG Yong-liang1   

  1. (1.School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China;2Unit 73917 of PLA, Nanjing 210000, Jiangsu, China)
  • Received:2015-05-22 Revised:2015-05-22 Online:2016-04-22
  • Contact: ZHAO Bo-bo E-mail:zhaobobo@163.com

Abstract: The operational effectiveness of a novel scanning mechanism of the hedgehopping terminal sensitive projectile is evaluated, and the acquisition performance of the terminal sensitive projectile on terminal trajectory is studied. The coordinate transformation is used to obtain the scanning linear equation of hedgehopping terminal sensitive projectile, and the coupled solution of its 6-DOF trajectory equation set is solved so that the steady scanning area could be determined. The acquisition probability expression is derived by proving the scanning dependent area theory. The results indicate that the space scanning track of the hedgehopping terminal sensitive projectile is helical, the space scanning area is cylindrical, and the scanning area on the plane is semi-elliptical. The acquisition probability can be significantly improved by decreasing the firing angle, estimating the target movement exactly, and increasing the initial velocity of projectile. The acquisition probability calculated using the analytical expression agrees with the results predicted based on the Monte Carlo shooting method, which verifies the correctness of the analytical expression.

Key words: ordnance science and technology, terminal sensitive projectile, hedgehopping, steady scanning, acquisition probability, scanning dependent area

CLC Number: