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This paper provides further advancement of the D-Partitioning analysis applied to nonlinear digital control system with variable parameters. As a case study, a nonlinear control system for accurate speed control of a dc motor is considered. The Bilinear Tustin Transform method is employed as one of the most precise facilities for systems discretization, where also the Euler's approximation is taken into account. A robust controller design is accomplished by a number of successive steps. Based on the difference equations of its stages, the robust controller can be realized by microcontrollers. The research is a further development of the author’s work on the D-Partitioning analysis and design of nonlinear digital control systems with variable parameters. The suggested tool for analysis is essential and beneficial for the further development of control theory in this area.
|author="Prof. Kamen M. Yanev",|
|title="Design and Analysis of a Robust Accurate Speed Control System by Applying a Digital Compensator",|
|journal="Automatic Control and System Engineering ACSE",|
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