Active member bridge feedback control for damping augmentation
| Autor: | Gun-Shing Chen, Boris J. Lurie |
|---|---|
| Rok vydání: | 1992 |
| Předmět: |
Engineering
business.industry Applied Mathematics Structural system Impedance matching Aerospace Engineering Truss Structural engineering Transfer function law.invention Vibration Space and Planetary Science Control and Systems Engineering law Control theory Electrical network Bridge (instrument) Electrical and Electronic Engineering business Electrical impedance |
| Zdroj: | Journal of Guidance, Control, and Dynamics. 15:1155-1160 |
| ISSN: | 1533-3884 0731-5090 |
| DOI: | 10.2514/3.20963 |
| Popis: | An active damping augmentation approach using active members in a structural system is described. The problem of maximizing the vibration damping in a lightly damped structural system is considered using the analogy of impedance matching between the load and source impedances in an electrical network. The proposed active damping augmentation approach therefore consists of finding the desired active member impedances that maximize the vibration damping, and designing a feedback control in order to achieve desired active member impedances. This study uses a bridge feedback concept that feeds back a combination of signals from sensors of the axial force and relative velocity across the active member to realize the desired active member impedance. The proposed active damping augmentation approach and bridge feedback concept were demonstrated on a three-longeron softly suspended truss structure. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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