Singularity Excitations and Initial Value Problem in Continuous LTI Systems
| Autor: | Milan Ponjavic, Tomislav B. Šekara |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Convolution integral
General Computer Science Mathematical model Computer science 010102 general mathematics 05 social sciences Linear system General Engineering 050301 education differential equations initial conditions Dirac delta 01 natural sciences Convolution LTI system theory Singularity Calculus Initial value problem impulse response General Materials Science linear system lcsh:Electrical engineering. Electronics. Nuclear engineering 0101 mathematics 0503 education lcsh:TK1-9971 |
| Zdroj: | IEEE Access, Vol 8, Pp 176750-176757 (2020) |
| ISSN: | 2169-3536 |
| Popis: | A modern challenge in electrical engineering education is to keep the math at a sufficient level, with a goal to find an optimal balance between calculus competence and operative skills needed for real-life technical applications. It is not uncommon that some gaps emerge during this quest, which makes it difficult for undergraduates to entirely understand topics related on prior knowledge. This paper aims to draw attention to several important moments concerning total response of Continuous Linear Time Invariant systems, which are superficially or incorrectly explained in many textbooks, and to offer logical arrangement which can be easily understood and accepted by students. The base of discussion relies on classical calculus background, particularly on Picard’s theorem on existence and uniqueness. This theorem is rarely mentioned in signals and systems textbooks. However, mathematical models of many types of signals don’t satisfy the condition for continuity, which can easily produce difficulties in the learning process. It is shown that some reported disagreements and issues related to initial conditions, can be easily cleared out by using the smooth transition from classical calculus to mathematics used in system theory. It is also shown that the classical method is always the primary tool, even for determining the impulse response, while the impulse response is unnecessary or sufficient to determine the total system response, regardless of whether the convolution integral is used. |
| Databáze: | OpenAIRE |
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