Mechanical Sciences
Mechanical Sciences
Mechanical Sciences
Articles | Volume 16, issue 1
Articles | Volume 16, issue 1
https://doi.org/10.5194/ms-16-209-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ms-16-209-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 16, issue 1
Research article
 | 
16 Apr 2025
Research article |  | 16 Apr 2025

Research on fuzzy proportional–integral–derivative (PID) control of bolt tightening torque based on particle swarm optimization (PSO)

Xiao Cheng, Zhanghao Guo, and Jun Ke

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Short summary
The fuzzy proportional–integral–derivative controller optimized by the particle swarm optimization algorithm eliminates steady-state error, improves response speed, and enhances both system adaptability and disturbance resistance. This approach effectively addresses the inherent uncertainties and nonlinear variations in bolt tightening processes. The average deviation between the tightening torque and target torque measures 0.108 N m, achieving a control accuracy of 0.9%.
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