کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
699807 | 1460703 | 2015 | 15 صفحه PDF | دانلود رایگان |
• A linearized model for a Hydraulic Servo-Actuator is presented.
• 33 set parameters are identified for 33 set points.
• The variability on these parameters is considered as the parametric uncertainty of the model.
• PI controller was applied to a Hydraulic Servo-Actuator.
• Small Gain theorem is used to analyze the robustness of the system with a classic PI controller.
In this work the authors address the problem of robustness of the classic PI controller implemented in a Hydraulic Servo-Actuator (HSA), by presenting a strategy based on the definition of a linear model of the system and the identification of its parameters for different working points. The variation of these parameters is considered as a measure of parametric uncertainty of the linear model. These uncertainties along with the definition of a nominal plant are used to analyze the robustness of the system implementing the Small Gain Theorem. Theoretical and experimental results show that a PI controller can provide robustness to the HSA.
Journal: Control Engineering Practice - Volume 43, October 2015, Pages 94–108