Arun Ramaratnam
Papers
2
Total Citations
27
H-Index
2
About
Arun Ramaratnam is a researcher whose work lies at the intersection of smart materials and structural vibration control, with a particular focus on semi-active and piezoelectric-based systems. His key contributions center on the development of switched stiffness techniques for vibration attenuation in flexible mechanical structures. In his most-cited work, "Semi-active vibration control using piezoelectric-based switched stiffness" (2004, 23 citations), Ramaratnam introduced a simple yet effective relay-type control logic that exploits the inherent stiffness changes in piezoelectric materials when switched between open and short circuit configurations. This approach offers a practical, low-power alternative to fully active control systems. Expanding on this concept, his 2003 study on translational flexible beams demonstrated the real-world applicability of the method for suppressing vibrations in structures undergoing base motion. Though his citation counts reflect a focused, early-career impact, Ramaratnam’s work is notable for bridging theoretical control strategies with experimental validation, laying groundwork for adaptive damping solutions in aerospace and mechanical systems. His research remains a valuable reference for engineers exploring semi-active vibration control using smart materials.
Research Focus
Key Achievements
Top Papers
- 1Semi-active vibration control using piezoelectric-based switched stiffness23 citations · 2004
- 2