Real-Time Performance of Mechatronic PZT Module Using Active Vibration Feedback Control.

Area of Science:

• Mechatronics
• Mechanical Engineering
• Control Systems

Background:

• Vibrations in machine tools significantly degrade workpiece quality.
• Existing methods for vibration control are often insufficient for modern machining requirements.

Purpose of the Study:

• To propose and validate an innovative mechatronic piezo-actuated module for active vibration control (AVC).
• To design and develop a smart actuator tailored for machining applications.
• To model, simulate, and experimentally validate the AVC device's performance.

Main Methods:

• Mechatronic modeling based on kinematic and dynamic analysis.
• Development and simulation of an H2-LQG controller with PZT actuator and machine tool models.
• Hardware in the Loop (HIL) architecture for real-time control.
• Experimental validation on a commercial machine tool.

Main Results:

• The developed AVC module demonstrated effective real-time vibration damping.
• Simulations showed high accuracy in predicting the system's performance.
• Experimental tests confirmed the feasibility and effectiveness of the proposed solution.

Conclusions:

• The innovative mechatronic piezo-actuated module is a feasible and effective solution for real-time vibration control in machine tools.
• The study validates the accuracy of the simulation models and the HIL approach.
• The developed system enhances workpiece quality by significantly reducing machining vibrations.