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DSP and FPGA design and implementation of ultra- short-range fire control computer-based protection system

Author: WangBaoBao
Tutor: WuPanLong
School: Nanjing University of Technology and Engineering
Course: Control Theory and Control Engineering
Keywords: Ultra-short-range defense system Fire control computer DSP FPGA DCMKF
CLC: TP273
Type: Master's thesis
Year: 2012
Downloads: 76
Quote: 1
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Abstract


Ultra-short-range defense system is the last defense line of anti-missile defense system, which is of great importance in anti-missile operation. Fire control computer plays a pivotal role in ultra-short-range defense system, and it is connected to radar subsystem, gun control subsystem, fuse subsystem and fire subsystem. Therefore, the performance of fire control computer has a direct influence on the defense effects of ultra-short-range defense system.This paper is set in the development of one type of ultra-short-range defense system. After analyzing the functional requirement and performance requirement of fire control computer, the paper puts forward an overall design diagram of fire control computer and introduces the principles of fire control. Besides, it describes the principle of de-biased converted measurement Kalman filter (DCMKF) and derives in detail the initial value of DCMKF.The hardware of fire control computer consists of two daughter boards:DSP and FPGA. FPGA, as floating-point coprocessor of the fixed point DSP, completes DCMKF, which has a large amount of computation. The paper offers design scheme in detail of DCMKF based on FPGA. On the basis of carrying out the software and hardware design of fire control computer, the thesis debugs some modules, such as system hardware, UART communication module and ignition signal output module, etc. In addition, the paper compares filter results of FPGA with the simulation results of MATLAB and proves the validity of FPGA to accomplish DCMKF.Finally, the paper finishes the prior test of outdoor live ammunition interception for ultra-short-range defense system. The results indicate each module of fire control computer functions well and that system runs in good condition, achieving the expected design purposes.

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