Research on Extra-Atmospheric Aircraft Modeling and Control Based on Maneuvering Target

Abstract:

The extra-atmospheric aircraft model is established, and then the control system is designed. The control system consist of attitude control system and orbit control system, the attitude control system used PID controller and the orbit control system used augmented proportional navigation method. The traditional Proportional Navigation (PN) guidance law has higher accuracy. But for highly maneuvering targets, the accuracy of traditional PN guidance law is still not enough. An Augmented Proportional Navigation (APN) guidance law is designed, an acceleration compensation of the target is introduced on the basis of PN guidance law to overcome the effect of the acceleration on the guidance accuracy. And the engine control method is designed based on the fixed engine thrust. Simulation results indicated that, for homing against maneuverable targets, the APN guidance law is better than the PN guidance law in the following aspects: guidance accuracy is higher, miss distance is lower, interception time is shorter. And the new guidance law provides significant performance improvements over the commonly used classical proportional navigation law.

• Periodical: Applied Mechanics and Materials (Volumes 799-800)
• Pages: 1142-1148
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.799-800.1142
• Online since: October 2015
• Authors: Peng Liu*, Cheng Yuan Peng, Ge Li, Feng Xue, Jia Qi Liu
• Keywords: Augmented Proportional Navigation (APN), Control, Extra-Atmospheric Aircraft, Maneuvering Target, Modeling

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