Wang Yan, Jiao Hongling, Che Wenquan, et al. Interference and protection of electromagnetic pulse to digital signal processor[J]. High Power Laser and Particle Beams, 2013, 25: 2173-2176. doi: 10.3788/HPLPB20132508.2173
Citation:
Wang Yan, Jiao Hongling, Che Wenquan, et al. Interference and protection of electromagnetic pulse to digital signal processor[J]. High Power Laser and Particle Beams, 2013, 25: 2173-2176. doi: 10.3788/HPLPB20132508.2173
Wang Yan, Jiao Hongling, Che Wenquan, et al. Interference and protection of electromagnetic pulse to digital signal processor[J]. High Power Laser and Particle Beams, 2013, 25: 2173-2176. doi: 10.3788/HPLPB20132508.2173
Citation:
Wang Yan, Jiao Hongling, Che Wenquan, et al. Interference and protection of electromagnetic pulse to digital signal processor[J]. High Power Laser and Particle Beams, 2013, 25: 2173-2176. doi: 10.3788/HPLPB20132508.2173
College of Electric Engineering and Information,Anhui University of Technology,Maanshan 243032,China;
2.
National Key Laboratory of Trajectory,School of Electronic and Optoelectronic Technology,Nanjing University of Science and Technology,Nanjing 210094,China
The effective electromagnetic pulse protection is studied in this paper, first the interference of electromagnetic pulse simulator path is analyzed, including the digital signal processor (DSP) and the discharge circuit of coupling interference and net electricity coupling interference. Using the structure optimization design, the hardware block reinforcement measurement and the setting of open software trap, and the watchdog anti-jamming measures, the interference test is completed such as the central processor core voltage of DSP, input/output (I/O) ports of DSP and the display screen. The experimental results show that the combination of hardware and software protection reinforcement technology is effective, and the interference pulse amplitude of DSP board I/O port and the kernel work voltage are reduced, and the interference duration is reduced from 2 s to 400 ns. The interference pulse is effectively restrained.
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