Actuator control in continuous flux using winer filters
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Authors: Vlǎdareanu, L., Sandru, O.I., Velea, L.M. and Yu, H.
Journal: Proceedings of the Romanian Academy Series A - Mathematics Physics Technical Sciences Information Science
The paper presents a new real time control method in continuous actuator flux in which linear Winer filters with a finite impulse response are used for mathematical modelling of the correlation between actuators. By implementing this method in complex system automations, it is possible to determine the behaviour, functional parameters and performances of the actuators in real time. This paper presents theoretic considerations, the actuators real time control system architecture, mathematic modelling, experimental results and comparative measurement graphs related to the method's performances. The mathematical modelling is based on the Winer-Hopf equations and resolves, with the help of mathematical software known as Winer filters, the problem of filtering the white noise which disturbs feedback of the components of the testing systems actuators. These lead to the possibility of predicting actuator performances through indirect measurements without the measurement signals being generated by the tested actuator as they are in the case of direct measurement methods. Thus, this method allows for the development of complex systems while reducing trial time and increasing measurement precision. Theoretic and experimental results have shown that the behaviour errors of the actuators that have been tested through the proposed method are less than 0.9% while the testing duration is over 30 times less.