Positive position feedback control for large space structures
| العنوان: | Positive position feedback control for large space structures |
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| المؤلفون: | T. K. Caughey, James L. Fanson |
| المصدر: | AIAA Journal. 28:717-724 |
| بيانات النشر: | American Institute of Aeronautics and Astronautics (AIAA), 1990. |
| سنة النشر: | 1990 |
| مصطلحات موضوعية: | Physics, Engineering, Cantilever, Stability criterion, business.industry, Vibration control, Aerospace Engineering, Ranging, Piezoelectricity, Displacement (vector), Vibration, Control theory, business, Actuator, Realization (systems) |
| الوصف: | A new technique for vibration suppression in large space structures is investigated in laboratory experiments on a thin cantilever beam. This technique, called Positive Position Feedback, makes use of generalized displacement measurements to accomplish vibration suppression. Several features of Positive Position Feedback make it attractive for the large space structure control environment: The realization of the controller is simple and straightforward. Global stability conditions can be derived which are independent of the dynamical characteristics of the structure being controlled, i.e., all spillover is stabilizing. The method cannot be destabilized by finite actuator dynamics, and the technique is amenable to a strain-based sensing approach. The experiments control the first six bending modes of a cantilever beam, and make use of piezoelectric materials for actuators and sensors, simulating a piezoelectric active-member. The modal damping ratios are increased by factors ranging from 2 to 130. |
| تدمد: | 1533-385X 0001-1452 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c813945322a4d8813b49554183c7d905 https://doi.org/10.2514/3.10451 |
| رقم الأكسشن: | edsair.doi.dedup.....c813945322a4d8813b49554183c7d905 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 1533385X 00011452 |
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