Abstract
The electrohydraulic servo systems used in the industrial production are characterized by relatively simple construction, easy operation and high speed, good reliability, functional flexibility and low cost. All this demonstrates the need to study the performance of electrohydraulic servo system primarily in dynamic operating modes. The article studies a mathematical model of electrohydraulic servo system with the typical nonlinearities. The parametric optimization of the automatic PID controller was performed on the basis of minimizing the integral quality criterion when comparing reference and experimental transient processes. The obtained results are shown in a graphical form.
Highlights
Experience in process automation in various industries shows that electro-hydraulic control systems provide the minimum dimensions and mass of the actuators with maximum output power and speed, combined with the convenience of computer control
The object of research in this article is the electrohydraulic tracking systems with regulating throttle (Fig. 1) with control realized in Matlab environment
The article presents a study of the approach for parametric tuning of an automatic regulator for electrohydraulic servo system, using integrated quality criteria
Summary
Experience in process automation in various industries shows that electro-hydraulic control systems provide the minimum dimensions and mass of the actuators with maximum output power and speed, combined with the convenience of computer control. Because the transfer of information is impossible without energy consumption, these agents always work as major energy carriers in a greater or lesser degree In both cases, it is called "basic" and not "unique", because for the major part the automatic systems in question are essentially hydro-pneumo-mechanical, i.e. information and energy in them pass through a series of transformations from mechanical to hydraulic or pneumatic and vice versa. The article presents a study of the approach for parametric tuning of an automatic regulator for electrohydraulic servo system, using integrated quality criteria
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