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Open AccessArticle

Design of a Projectile-Borne Data Recorder Triggered by Overload

School of Mechanical Engineering, Nanjing University of Science & Technology, Nanjing 210094, China
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Electronics 2020, 9(5), 860; https://doi.org/10.3390/electronics9050860
Received: 15 February 2020 / Revised: 18 May 2020 / Accepted: 19 May 2020 / Published: 22 May 2020
(This article belongs to the Special Issue Data Analysis in Intelligent Communication Systems)
The projectile-borne data recorder is used to measure and record the position and attitude data of exterior ballistic flights, which experience high overload during the launching process. The navigation algorithm can be optimized by analyzing the data stored in the recorder. As the primary means of acquiring the navigation data, the micro inertial measurement unit (MIMU) is an inevitable part of the projectile equipment. However, its mechanical structure could hardly bear the high overload during operation. In view of the above problems, a novel projectile-borne data recorder triggered by overload is designed in this paper. The recorder could have the navigation system powered when the projectile leaves the barrel so as to activate the data recording of the high overload. Furthermore, the viability of the MIMU of the high overload is guaranteed through a specific way of system encapsulation. In the proposed design, the overload switch redundancy and the power supply redundancy were adopted to improve reliability. The proposed design is tested with practical experiments, and the results show that the proposed recorder could be effectively triggered by overloading, and the supply voltage is stable, which helps record reliable data for the projectile. View Full-Text
Keywords: projectile-borne data recorder; high overload; overload triggered; redundancy design projectile-borne data recorder; high overload; overload triggered; redundancy design
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Wu, Z.; Wang, Y.; Zhu, L.; Yang, F. Design of a Projectile-Borne Data Recorder Triggered by Overload. Electronics 2020, 9, 860.

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