Opto-Electronic Engineering, Volume. 51, Issue 5, 240033(2024)
A FOG start-up drift compensation method at full temperatures before and after compensation comparison
Figures & Tables(11)
Fig. 1. FOG preprocessing outputs at different initial temperatures
Fig. 2. Start-up characteristics of the FOG at different initial temperatures
Fig. 3. FOG preprocessing output and NFS internal temperature information. (a) The original output of the FOG and the denoised signal after preprocessing with WT; (b) NFS internal temperature; (c)Temperature ramp; (d)Temperature gradient
Table 1. Optimal SVR parameters
Table 2. Comparison of compensation results of different methods
View tableView in ArticleTable 2. Comparison of compensation results of different methods
算法 MAE STD/ (o/h) Denoised data - 0.0134 BP 0.0056 0.0073 SVR 0.0030 0.0035 SSA-SVR 0.0025 0.0031
Table 3. Comparison of north finding RMSE/(°) of different methods
View tableView in ArticleTable 3. Comparison of north finding RMSE/(°) of different methods
温度/℃ −32 −16 −5 17 28 43 54 结果均值 补偿前 0.0284 0.0181 0.0216 0.0205 0.0303 0.0171 0.0106 0.0209 BP 0.0284 0.0113 0.0143 0.0137 0.0209 0.0106 0.0100 0.0156 PSO-SVR 0.0146 0.0088 0.0120 0.0144 0.0186 0.0054 0.0060 0.0114 GWO-SVR 0.0110 0.0051 0.0132 0.0093 0.0194 0.0077 0.0096 0.0108 SSA-SVR 0.0113 0.0087 0.0117 0.0131 0.0170 0.0046 0.0045 0.0101
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Leishan Yao, Yilan Zhou, Shuai Zhao, Tengchao Huang, Shuangliang Che. A FOG start-up drift compensation method at full temperatures before and after compensation comparison[J]. Opto-Electronic Engineering, 2024, 51(5): 240033
Paper Information
Category: Article
Received: Jan. 31, 2024
Accepted: Mar. 22, 2024
Published Online: Jul. 31, 2024
The Author Email: Yao Leishan (姚磊善)
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