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Reconfiguration Error Correction Model for an FBG Shape Sensor Based on the Sparrow Search Algorithm by Qiufeng Shang; Feng Liu is a Engineering article available to read on EtoBox.

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A reconfiguration error correction model for an FBG shape sensor (FSS) is proposed. The model includes curvature, bending direction error correction, and the self-correction of the FBG placement angle and calibration error based on an improved sparrow search algorithm (SSA). SSA could automatically correct the placement angle and calibration direction of the FBG, and then use the corrected placement angle and calibration direction to correct the curvature and bending direction of the FSS, thereby improving the accuracy of shape reconfiguration. After error correction, the tail point reconfiguration errors of different shapes were reduced from 2.56% and 4.96% to 1.12% and 2.45%, respectively. This paper provides a new reconfiguration error correction method for FSS that does not require a complicated experimental calibration process, is simpler, more efficient, and more operable than traditional methods, and has great potential in FSS application scenarios.

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Author

Qiufeng Shang; Feng Liu

Publisher

MDPI AG

Published

2023

Language

EN

Field

Engineering (Physical Sciences)