Higher-Order Sinusoidal-Input Describing Function Analysis for a Class of Multiple-Input Multiple-Output Convergent Systems
Luke F.van Eijk (TU Delft - Mechatronic Systems Design, ASMPT)
Dragan Kostic (ASMPT, TU Delft - Delft Center for Systems and Control)
Mohammad Khosravi (TU Delft - Team Khosravi)
S. Hassan HosseinNia (TU Delft - Mechatronic Systems Design)
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Abstract
This article introduces output prediction methods for two types of systems containing sinusoidal-input uniformly convergent (SIUC) elements. The first method considers these elements in combination with single-input single-output linear time-invariant (LTI) systems before, after, and in parallel to them. The second method considers a multiple-input multiple-output LTI system where each input is controlled by an SIUC element. The output prediction only requires frequency-response functions of the LTI elements and is fully accurate for sinusoidal inputs.
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