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 the Improvement of Durability of Push Switches for Rotorcraft Control

회전익 항공기 조종용 누름식 스위치의 내구성 개선연구

  • Received : 2023.08.14
  • Accepted : 2024.02.01
  • Published : 2024.04.05
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Abstract

In this study, we propose a method to improve the durability of rotorcraft switches. Additionally, the appropriate verification test results are presented. As a result of analyzing the defective switch, it was found that the contact was defective due to long-term use. It was confirmed that stable contact of the terminal is necessary to achieve appropriate performance. We manufactured a switch with one spring and a switch with two springs. As a result of the verification test using this, it was found that the durability of the improved shape was improved by 15 % compared to the existing shape. Those numbers have merit from an operational perspective. This has the effect of reducing the number of replacements per aircraft.

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References

  1. H. Kim, S. Ryu, "A Study on User Complaints of Force Operation Equipment Support Program," Journal of the Korea Association of Defense Industry Studies, Vol. 26, No. 1, pp. 63-73, 2019.  https://doi.org/10.52798/KADIS.2019.26.1.6
  2. H. Kwon, J. Park, "An Overview of Flight Test Planning and Test Results for the Development of Korean Utility Helicopter," Journal of the Korea Institute of Military Science and Technology, Vol. 16, No. 3, pp. 268-276, 2013.  https://doi.org/10.9766/KIMST.2013.16.3.268
  3. MIL-PRF-8805, PERFORMANCE SPECIFICATION SWITCHES AND SWITCH ASSEMBLIES, SENSITIVE, SNAP ACTION(BASIC, LIMIT, PUSH BUTTON AND TOGGLE SWITCHES), GENERAL SPECIFICATION FOR. 
  4. M. Chu, S. Kim, S. Baek, M. Yu, K. Shin, "A Study of the Economical Replace Time Decision Method of Combat Aircraft Major Parts - Based on the Reliability.Cost Analysis Approach -," Journal of the Aviation Management Society of Korea, Vol. 11, No. 6, pp. 65-80, 2013.