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A Design of Electromechanical Valve Control System using Model Predictive Controller
Addy Wahyudie,Taizo Nakao,Masakazu Mukai,Taketoshi Kawabe 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
This paper considers an implementation of model predictive controller for an electro mechanical valve. A teach sampling time in stants, the controller sends optimum control input to the system. In order to simplify the calcula-tion process with in controller, we solve the control input as algebraic calculation rather than two-point boundary value problem. We also use adisturbance observer to provide information of armaturevalve velocity, and to improve EMV robustness. The proposed control scheme is demonstrated on experimental test bed. The performance model predictive controller with adisturbance observer is compared experimentally to model predictive controller with are gularfll order observer.
Addy Wahyudie,Tri Bagus Susilo,Cuk Supriyadi Ali Nandar,Sameer Fayez,Rachid Errouissi 제어·로봇·시스템학회 2021 International Journal of Control, Automation, and Vol.19 No.12
This paper proposes two control techniques to provide robust tracking for magnetic levitation systems (MLS): model-free control (MFC) and robust proportional-integral-derivative (PID) control. The proposed MFC does not require a mathematical model. The MFC uses a stabilising local PID controller and a continuous saturation function of a sliding surface. The local stabilising control is achieved through a trial-and-error method, while the other parameters in the sliding surface are tuned to achieve the required tracking and robustness objectives. For robust PID controller, a linear model of MLS is derived. The robustness, tracking, and transient problems are formulated using the H∞ theory and solved using the genetic algorithm. Experimental verifications are conducted to demonstrate the effectiveness of the proposed controllers.