Analysis of Tactical Missile Three-loop Lateral Acceleration Autopilot in the Time and Frequncy Domain

doi:10.3969/j.issn.1000-1093.2013.07.005

Acta Armamentarii ›› 2013, Vol. 34 ›› Issue (7): 828-834.doi: 10.3969/j.issn.1000-1093.2013.07.005

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Analysis of Tactical Missile Three-loop Lateral Acceleration Autopilot in the Time and Frequncy Domain

WANG Jia-xin, LIN De-fu, QI Zai-kang

School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China

Received:2012-10-21 Revised:2012-10-21 Online:2014-08-19
Contact: WANG Jia-xin E-mail:10901033@ bit. edu. Cn

Abstract

Abstract: Based on the linearized and small perturbation model of the longitudinal missile control system, the configuration, response time, robustness and capability of stabilizing a static unstable missile are studied for the aforementioned systems. A non-dimensional model of the autopilot is established and analyzed, and a new method for the three-loop autopilot design is put forward. The results indicate that thestabilizing loop system is more robust and capable of stabilizing a static unstable missile compared withthe damping loop system,but its response time is longer; while the three-loop autopilot is more robust,and faster than the stabilizing loop system by designing a chief pole at lower frequency and a pair of higher frequency conjugate poles with a appropriate damping ratio.

Key words: ordance science and technology, missile control system, three-loop lateral acceleration autopilot, static instability, performance index

CLC Number:

TJ765. 2

WANG Jia-xin, LIN De-fu, QI Zai-kang. Analysis of Tactical Missile Three-loop Lateral Acceleration Autopilot in the Time and Frequncy Domain[J]. Acta Armamentarii, 2013, 34(7): 828-834.

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Analysis of Tactical Missile Three-loop Lateral Acceleration Autopilot in the Time and Frequncy Domain

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