Research on Active Control of Raft–Cylindrical Shell Systems Based on Fractional-Order FxLMS

CHENG Weipeng; WU Wenwei; WU Demu; YIN Zhiyong

doi:10.11993/j.issn.2096-3920.2026-0020

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CHENG Weipeng, WU Wenwei, WU Demu, YIN Zhiyong. Research on Active Control of Raft–Cylindrical Shell Systems Based on Fractional-Order FxLMS[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2026-0020

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CHENG Weipeng, WU Wenwei, WU Demu, YIN Zhiyong. Research on Active Control of Raft–Cylindrical Shell Systems Based on Fractional-Order FxLMS[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2026-0020

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Research on Active Control of Raft–Cylindrical Shell Systems Based on Fractional-Order FxLMS

doi: 10.11993/j.issn.2096-3920.2026-0020

1.
China Ship Scientific Research Center, Jiangsu 214082
2.
Taihu Laboratory of Deepsea Technological Science, Jiangsu 214082

Received Date: 2026-01-19
Accepted Date: 2026-03-04
Rev Recd Date: 2026-03-02

Available Online: 2026-03-31

Abstract

Abstract

To address the challenge of suppressing low-frequency line-spectrum vibrations in mechanical equipment such as the main and auxiliary machinery of underwater vehicles, this paper proposes a DFOFxLMS(dual-channel fractional-order filtered-x least mean square) algorithm based on the fractional-order gradient descent method. The control performance of algorithms with different fractional orders is analyzed and compared through simulations. An experimental platform for active vibration control based on a floating raft–cylindrical shell structure is established. Comparative experiments under various operating conditions demonstrate that, compared with single-channel control strategies, the proposed dual-channel collaborative control scheme exhibits significant advantages in suppressing the overall vibration of the floating raft–cylindrical shell system. Furthermore, it demonstrates excellent engineering practicality and control effectiveness under dual-frequency line-spectrum disturbance scenarios.
- underwater vehicle,
- low-frequency line spectrum vibration,
- fractional order,
- active vibration,
- fractional order FxLMS algorithm

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References(17)

References

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