Fishing vessel track-keeping control based on closed-loop gain shaping algorithm under rough sea conditions

Fig. 4. The course-keeping results of the closed-loop gain shaping controller before and after improvement when desired course is 目标航向下算法改进前、后闭环增益成形控制器的航向保持结果

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Fig. 6. [in Chinese]

Fig. 7. [in Chinese]

Fig. 8. [in Chinese]

Table 1. Parameters of 32.98 m fiberglass reinforced plastic trawler (model SDB8102)

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Table 1. Parameters of 32.98 m fiberglass reinforced plastic trawler (model SDB8102)

参数	数值
两柱间长$L/{\text{m}}$	27
型宽$B/{\text{m}}$	5.6
满载吃水量$T/{\text{m}}$	2.1
方形系数${C_{\text{b}}}$	0.475
满载排水量$\nabla $/t	103.92
舵叶面积${A_{{\delta }}}/{{\text{m}}^{\text{2}}}$	1.08
船舶速度$v/{\text{kn}}$	11

Table 2. Ship maneuverability indices and nonlinear parameters
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Table 2. Ship maneuverability indices and nonlinear parameters
参数数值
${K_0}$ 0.33
${T_0}$ 5.87
$\alpha $ 4.18
$\beta $ 206.04

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Jianghua SUI, Teer GUO, Chunyu SONG. Fishing vessel track-keeping control based on closed-loop gain shaping algorithm under rough sea conditions[J]. Chinese Journal of Ship Research, 2025, 20(1): 272

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