Transactions of Nanjing University of Aeronautics & Astronautics
Control System in Missiles for Whole-Trajectory-Controlled Trajectory Correction Projectile Based on DSP
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Abstract:
A control system for correction mechanisms through the whole trajectory is proposed based on the principle of one-dimensional trajectory correction projectile. Digital signal processing (DSP) is utilized as the core controller and gobal positioning system (GPS) is used to measure trajectory parameters to meet the requirements of calculating ballistics and system functions. Firstly, the hardware, mainly including communication module, ballistic calculation module, boosting & detonating module and data storage module, is designed. Secondly, the supporting software is developed based on the communication protocols of GPS and the workflow of control system. Finally, the feasibility and the reliability of the control system are verified through dynamic tests in a car and live firing experiments. The system lays a foundation for the research on trajectory correction projectile for the whole trajectory.
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