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| Effect of Control Model on Internal Variable Dynamic Characteristics of a Plant: A State Feedback Controlled Satellite Antenna
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B. O. Ekengwu, A. E. Jonathan, P. C. Eze
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Abstract:
This paper has examined the dynamic characteristics performance of the state variables of a full state feedback controlled satellite dish antenna in distributed mobile telemedicine. The object is to examine the behaviour of the internal variables of industrial process or plant when the structure or algorithm of the control technique used is modified or altered. The dynamic equations of a dish antenna position control system used in distributed mobile telemedicine nodes were obtained in the form of transfer function models in continuous time domain. The transfer function models were transformed into equivalent state space models. The state space equations were represented by different features of Simulink used to model the system in MATLAB/Simulink environment. The performance of the system was studied in terms of stability, controllability, and observability. Simulations were carried out in MATALAB/Simulink environment. The results obtained showed that the characteristics performances of the state variables are influenced by changes in the structure and complexity of the control algorithm.
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