Fig. 1. Z-Up position
Fig. 3 Y-Up position
Fig. 4 Y-Down position
Fig. 7. Temp. change for calibration process
Fig. 8. X Gyro bias(Z-Up & Y-Up angular position)
Fig. 9. Y Gyro bias(Z-Up & Y-Up angular position)
Fig. 10. Gyro angular position of Z-Up and Y-Up
Fig. 11. Internal schematic of gyro
Fig. 12. X Gyro bias(Z-Up & Y-Up angular position)
Fig. 13. Y Gyro bias(Z-Up & Y-Up angular position)
Fig. 2. Z-Down position
Fig. 5 X-Up position
Fig. 6 X-Down position
References
- J. Keller, "Sperry Marine to build AN/WSN-7 Shipboard Navigation Systems as Navy Waits for New Replacement," Military & Aerospace Electronics, Sep. 2017.
- E. Levinson, J. Horst and M. Willcocks, "The Next Generation Marine Inertial Navigation is Here Now," Proceedings of IEEE PLANS 1994.
- E. Levinson, and C. Giovanni, "Laser Gyro Potential for Long Endurance Marine Navigation," Proceedings of IEEE PLANS 1980.
- E. Levinson and R. Majure, "MARLIN, The Next Generation Marine Inertial Navigator," Symposium Gyro Technology 1987.
- E. Levinson and R. Majure, "Accuracy Enhancement Techniques Applied to the Marine Ring Laser Inertial Navigator(MARLIN)," Proceedings of ION National Technical Meeting, 1987.
- Zengjun Liu, etc, "An Improved Rotation Scheme for Dual-Axis Rotational Inertial System," IEEE Sensors Journal, Vol. 17, No. 13, July 2017.
- Balun Yuan, Dan Liao and Songlai Han, "Error Compensation of an Optical Gyro INS by Multi-Axis Rotation," Measurement Science and Technology, p. 9, 2012.
- QIN Chon, etc, "Design and Analysis of Dual-Axis Rotating Scheme for Ring Laser Strapdown Inertial Navigation System," Proceedings of the 35th Chinese Control Conference, July 2016.
- S. Han, ect, "The Development and Evaluation for a Two-Axis Indexing NFFLDLG INS for Marine Navigation," Inertial Sensors and System, pp. 19-34, 2015.
- Gu-Yin Rao, etc, "Calibration of Laser Inertial Navigator with Dual-axis Rotation," International Journal of Control, Automation and Systems, pp. 960-966, 2015. https://doi.org/10.1007/s12555-013-0281-8
- Qingzhong Cai etc, "Online Calibration of the Geographic-Frame-Equivalent Gyro Bias in Dual-Axis RINS," IEEE Trans. of Instrumentation and Measurement, 2018.
- D. Titterton and J. Weston, "Strapdown Inertial Navigation Technology," Peter Peregrinus Ltd., 1997.
- G. M. Siouirs, "Aerospace Avionics Systems, A Modern Synthesis," Academic Press, 1993.
- Oleg S. Salychev, "Inertial Systems in Navigation and Geophysics," Bauman MSTU Press, Moscow, 1998.
- Sargent M., "Basic Ring Laser Gyro Theory," SPIE, Vol. 487 Physics of Ring Laser Gyros, pp. 22-29, 1984.
- P. G. Savage, "Calibration Procedures for Laser Gyro Strapdown Inertial Navigation Systems," Proceedings of the 9th Annual Elector-Optics/Laser Conference and Exhibition, Anaheim, California, pp. 667-681, October 1977.
- Tae-Gyoo Lee, Chang-Ky Sung, “Estimation Technique of Fixed Sensor Errors for SDINS Calibration,” International Journal of Control, Automation, and Systems, Vol. 2, No. 5, pp. 53-541, Dec. 2004.