ON THE STRUCTURAL DAMPING CHARACTERISTICS OF ACTIVE PIEZOELECTRIC ACTUATORS WITH PASSIVE SHUNT
✍ Scribed by M.S. Tsai; K.W. Wang
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- English
- Weight
- 202 KB
- Volume
- 221
- Category
- Article
- ISSN
- 0022-460X
No coin nor oath required. For personal study only.
✦ Synopsis
This paper presents new insights obtained from analyzing the active-passive hybrid piezoelectric network (APPN) concept. It is shown that the shunt circuit not only can provide passive damping, it can also enhance the active action authority if tuned correctly. Therefore, the integrated APPN design is more effective than a system with separated active and passive elements. However, it is also recognized that a systematic design/control method is needed to ensure that the passive and active actions are optimally synthesized. Such a method is developed and presented. The characteristics of the closed-loop system are analyzed.