RLS Adaptive Real-Time Noise Reduction Technology for Fiber Optic Gyroscope Based on FPGA

Jiajun Ma; Qingyang Liu; Yanran Lü; Wei Zeng; Yongchao Liang; Junbiao Jiang

doi:10.3788/CJL202249.2106004

[1] Shi W C, Xu J N, Lin E F. Development and prospect of gyroscope[J]. Journal of Navigation and Positioning, 9, 8-12(2021).

[2] Wu W R, Xian T H, Hu G D et al. Rapid and precise compensation of scale factor in a fiber-optic gyroscope with a twin-peaks source[J]. Optics Letters, 45, 3107-3110(2020).

[3] Wang L, Wang W, Zhang Q et al. Self-calibration method based on navigation in high-precision inertial navigation system with fiber optic gyro[J]. Optical Engineering, 53, 064103(2014).

[4] Song T X, Wang X Y, Liang W W et al. Improved motor control method with measurements of fiber optics gyro (FOG) for dual-axis rotational inertial navigation system (RINS)[J]. Optics Express, 26, 13072-13084(2018).

[5] Zhu X M, Chen X F, Shu X W et al. Eigen frequency measurements of a fiber optic gyroscope based on a staircase waveform with large temperature range[J]. Applied Optics, 58, 1562-1568(2019).

[6] Yang Y H, Yan H, Li S et al. Estimation of gyro bias drift due to distributed polarization cross coupling in the fiber coil[J]. Optics Express, 27, 10247-10257(2019).

[7] Zhang Y S, Sun F, Zhang J H et al. Application of adaptive transverse filter in interference fibre optical gyro[J]. Journal of Harbin Engineering University, 22(2001).

[8] Zhang X, Wang X X, Wu Z J. Adaptive filter of output signal in optical fiber gyroscope[J]. Aerospace Control, 24(2006).

[9] Wang L H, Sun F, Ji Q et al. Application of LMS adaptive filtering algorithm in FOG data processing[J]. Systems Engineering and Electronics, 32, 1047-1050(2010).

[10] Xu X S, Wu L, Liu Y T. Denoising algorithm for FOG based on LMS and second-generation wavelet transform[J]. Journal of Chinese Inertial Technology, 22, 810-814(2014).

[11] Tian Y P, Yang X J, Guo Y Z et al. Filtering analysis on the random noise of fiber optic gyroscope[J]. Acta Optica Sinica, 35, 0906006(2015).

[12] Chen S T, Sun F, Gao H T et al. Research on the practical application of the adaptive filter technology in the IFOG data processing[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 26, 1130-1132(2006).

[13] Du J B, He J Y, Zhuo C. Real-time filtering method of FOG signal based on LMS adaptive algorithm[J]. Journal of Chinese Inertial Technology, 28(2020).

[14] Qi H T[D]. Research on noise control technology in fiber optic gyroscope based on variable order least mean square algorithm(2019).

[15] Qi H T. Research on noise control technology of fiber optic gyroscope based on adaptive filter[J]. Ship Electronic Engineering, 40, 48-51(2020).

[16] Gao Y N, Yang T P, Chen J B. De-correlation adaptive filter for reducing the random drift at the output of FOG[J]. Optical Technique, 32, 476-478(2006).

[17] Wang D, Xu X, Zhang T et al. An EMD-MRLS de-noising method for fiber optic gyro signal[J]. Optik, 183, 971-987(2019).

[18] Swaminathan G, Murugesan G, Sasikala S et al. A novel implementation of combined systolic and folded architectures for adaptive filters in FPGA[J]. Microprocessors and Microsystems, 74, 103018(2020).

[19] Huang C F, Li A, Qin F J et al. Fiber optic gyro signal denoising based on variational mode decomposition and adaptive noise cancellation[J]. Journal of Physics: Conference Series, 1449, 012010(2020).

[20] Chen J, Ma T, Chen W J et al. Unsupervised robust recursive least-squares algorithm for impulsive noise filtering[J]. Science China Information Sciences, 56, 048201(2013).