Study of a Controlled Piezoelectric Damper.

Area of Science:

• Mechanical Engineering
• Materials Science

Background:

• Traditional vibration dampers have limitations in response time.
• Piezoelectric actuators offer precise control over physical dimensions via voltage application.

Purpose of the Study:

• To present an original construction of a vibration damper utilizing piezoelectric actuators for rapid control.
• To investigate the performance and applicability of this novel controlled damper.

Main Methods:

• Development of a vibration damper controlled by a valve with piezoelectric actuators.
• Experimental studies to determine dissipative characteristics.
• Numerical studies to create a computational model of the damper.

Main Results:

• The piezoelectric damper demonstrated a significantly faster response time in adjusting damping forces compared to conventional dampers.
• Dissipative characteristics were experimentally and numerically determined.
• Validation of the damper's effectiveness in semi-active vibration reduction systems.

Conclusions:

• The developed piezoelectric damper offers a viable solution for reducing vibrations in dynamic environments.
• The study confirms the potential of this construction for semi-active vibration reduction in vehicles and machines.
• The rapid controllability of damping forces is a key advantage for applications with quick-change loads.