Fig. 1. Operating motion of EMSA
Fig. 2. Free body diagram of EMSA
Fig. 3. Simulink model of EMSA
Fig. 4. Analysis of electromagnetic flux
Fig. 5. Distribution of magnetic flux density
Fig. 6. Generating torque of spring force and electromagnetic force
Fig. 7. Time response without degaussing current
Fig. 8. Degaussing current control scheme
Fig. 9. Time response with 2 ms degaussing current
Fig. 10. Experimental test and simulation results for low frequency
Fig. 11. Experimental test and simulation results for high frequency
Table 1. Design parameters of coils
Table 2. Electromagnetic forces according to coil turns & diameters
Table 3. Frequency response by springs
참고문헌
- Junghoon Noh, Kyongkuk Cho, Seongjun Kim and et al., "Development of Application for Guidance and Controller Unit for Low Cost and Small UAV Missile based on Smart Phone," J. of The Korean Society for Aeronautical and Space Sciences, Vol. 37, No. 7, pp. 610-618, 2017.
- Seongheon Lee, Hanjin Cho, Youngki Cho, and et al., "Recent Status on Miniture Smart-bullet Techniques," J. of The Korean Society for Aeronautical and Space Sciences, Vol. 43, No. 3, pp. 272-281, 2015. https://doi.org/10.5139/JKSAS.2015.43.3.272
- Rob M. E. M. van Heijster, huub L. J. Keizers, 2004, "Future Trends for the Application of MEMS in Missiles and Gun Launched Munitions," http://www.dtic.mil/dtic/tr/fulltext/u2/a428644.pdf(accessed October 17, 2018).
- Jane's International Defense Review, "Lighten up : Shoulder-Launched Weapon Systems Come of Age," https://www.janes.com/images/assets/442/49442/shoulder-launched_weapon_systems_come_of_age.pdf(accessed October 17, 2018).
- James F. Jones, Brian A. Kast, Mare W. Kniskern and et al., "Small Caliber Guided Projectile," US Patent, 7,781,709, B1 Aug. 24. 2010.
- Willian H. Hayt, Jr. John A. Buck, "Engineering Electromagnetics," Sixth Ed., Interactive e-Text, McGraw, USA, pp. 274-321, 2001.
- Dan B. Marghitu, "Mechanical Engineer's Handbook," Academic Press, USA, pp. 244-336, 2001.
- Manu balakrishnan, Navaneeth Kumar N, "Detection of Plunger Movement in DC Solenoids," Texas Instrument, SSIY-001, June, 2015.