Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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A Study On Missile Flight Simulation Method Using the Built-in Memory of Aviation Control Unit

비행제어장치 내장 메모리를 활용한 유도탄 모의비행기법 연구

  • Kim, Tae-Hoon (The 1st Research and Development Institute, Agency for Defense Development) ;
  • Lee, Sang-Hoon (The 1st Research and Development Institute, Agency for Defense Development) ;
  • Gong, Min-Sik (The 1st Research and Development Institute, Agency for Defense Development)
  • 김태훈 (국방과학연구소 제1기술연구본부) ;
  • 이상훈 (국방과학연구소 제1기술연구본부) ;
  • 공민식 (국방과학연구소 제1기술연구본부)
  • Received : 2019.04.12
  • Accepted : 2019.07.19
  • Published : 2019.08.05
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Abstract

During the assembly and function inspection of missile system, flight simulation process is required. In the conventional flight simulation check of missiles, an inertial navigation system simulator was used to transmit the navigation output data acquired in HILS. There are several disadvantages in terms of check configuration complexity and data synchronization when using the simulator. So we proposed a new flight simulation method that utilizes the nonvolatile built-in memory of the aviation control unit. The data processing procedure and operation procedure of the proposed method for type I and type II missiles are presented. And we analyzed the causes of the difference between proposed method result and the HILS result for type II missile. By comparing the results obtained by the experiments using the proposed method with the results of HILS, the validity of proposed method was confirmed.

Keywords

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Fig. 1. Type I missile - navigation equipment is separated from aviation control unit

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Fig. 2. Type II missile – navigation program is included in aviation control unit

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Fig. 3. Conventional missile flight simulation method example for type I missile

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Fig. 4. Conventional missile flight simulation method example for type II missile

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Fig. 5. Proposed missile flight simulation method for type I missile

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Fig. 6. Data constitution in memory for proposed missile flight simulation method of type I missile

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Fig. 7. Pseudo code for proposed missile flight simulation method of type I missile

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Fig. 8. Proposed missile flight simulation method for type II missile

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Fig. 9. Data constitution in memory for proposed missile flight simulation method of type II missile

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Fig. 10. Pseudo code for proposed missile flight simulation method of type II missile

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Fig. 11. (a) Control command of HILS case for type I missile, (b) Control command of proposed method for type I missile

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Fig. 12. (a) Control command of HILS case for type II missile, (b) Control command of proposed method for type II missile

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Fig. 13. (a) Latitude profile of HILS case for type II missile, (b) Latitude profile of proposed method for type II missile

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Fig. 14. (a) Longitude profile of HILS case for type II missile, (b) Longitude profile of proposed method for type II missile

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