EFFECT OF THE DISCRETIZATION METHOD ON DIGITAL CONTROL SYSTEMS BEHAVIOR

The review of sampling (discretization) method effect for continuous systems on digital control systems typical structure implementation was proposed in this article. The two basic blocks (real pole and pair of complex-conjugate poles systems) were used as the example in that analyze. Research conducted for analytical and three popular numerical sampling methods. Their influence on number of zeros and poles of the resulted digital transfer function was shown. The root locus plot for the digital models of the continuous system with pair of complex-conjugate poles was build using proposed implementation.