A Conjugate Gradient Optimization Algorithm for Wavy Trajectory of Missile

Author:

Wang Zhi Gang1,Zhang Ning1

Affiliation:

1. Northwestern Polytechnical University

Abstract

Since the traditional parabola trajectory is prone to be head off, wavy trajectory has the flight characteristics of defense penetration ability and increasing range. On the basis of flight characteristics of wavy trajectory missile, a method for flight program angle was designed. A specific formula was given. An optimization model was established. A conjugate gradient optimizing algorithm was used to solve the model and the result is compared with the former trajectory. It shows that optimized wavy trajectory can prove the feasibility of increasing range and valid defense penetration ability.

Publisher

Trans Tech Publications, Ltd.

Reference7 articles.

1. Yu Lei. Optimization of wavy trajectory for air-to-ground missile[D]. Xi'an: Academy of Aerospace Solid Propulsion Technology, (2012).

2. Zhang Yong-jun, Xia Zhi-xun, Sun Pi-zhong. Design and optimization on trajectory of skip missile[J]. Journal of solid rocket Technology, 2006, 29(5): 313-316.

3. Xu Fang-nuan, Zhang Miao-chan, Zhu Qiang-jun. [J], Flight Dynamics, 2010, 28(2): 67-70.

4. Dr Hussein Youssef. Hypersonic skipping trajectory[R]. AIAA-2003-5498. (2003).

5. Hussein Youssef, Rajiv Chowdhry. Hypersonic Global Reach Trajectory Optimization[R]. AIAA-2004-5167, (2004).

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