ANTENNA LQG CONTROLLERS: PROPERTIES, LIMITS OF PERFORMANCE, AND TUNING PROCEDURE
| Autor: | Wodek Gawronski |
|---|---|
| Rok vydání: | 2005 |
| Předmět: |
Engineering
business.industry Bandwidth (signal processing) Coordinate system Tracking system Control engineering General Medicine Servomechanism Linear-quadratic-Gaussian control law.invention Computer Science::Systems and Control law Control theory Optimal projection equations Antenna (radio) business |
| Zdroj: | IFAC Proceedings Volumes. 38:223-228 |
| ISSN: | 1474-6670 |
| Popis: | The LQG controllers significantly improve antenna tracking precision, but their tuning is a trial-and-error process. A control engineer has two tools to tune an LQG controller: the choice of coordinate system of the controller, and the selection of weights of the LQG performance index. The paper selects the coordinates of the open-loop model that simplify the shaping of the closed-loop performance, and analyzes the impact of the weights on the antenna closed-loop bandwidth, disturbance rejection properties, and antenna acceleration. Finally, it presents the LQG controller tuning procedure that rationally shapes the closed-loop performance. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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