Pipeline Vibration Control Using Magnetorheological Damping Clamps under Fuzzy-PID Control Algorithm.

Area of Science:

• Mechanical Engineering
• Vibration Control
• Materials Science

Background:

• Low-frequency vibration in hydraulic pipelines poses significant challenges in various industrial applications.
• Existing damping methods may be insufficient for effectively mitigating these vibrations.

Purpose of the Study:

• To design and evaluate a novel semi-active damping magnetorheological (MR) clamp for hydraulic pipelines.
• To investigate the effectiveness of a fuzzy-PID control algorithm for vibration suppression.

Main Methods:

• Design and structural determination of the MR damping clamp, including size and material selection.
• Establishment of a vibration damping system control model.
• Numerical simulation using a combined fuzzy control and Proportional-Integral-Derivative (PID) control algorithm.

Main Results:

• The fuzzy-PID control algorithm demonstrated effectiveness and stability in simulations.
• The designed MR damping clamp successfully suppressed axial displacement and acceleration.
• Effective vibration suppression was observed in the excitation frequency range of 1 Hz to 10 Hz.

Conclusions:

• The developed semi-active damping MR clamp offers a promising solution for low-frequency hydraulic pipeline vibration.
• The fuzzy-PID control strategy is validated as an effective method for enhancing damping performance.
• This research presents a new technical approach for controlling hydraulic pipeline vibrations.