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4 results

  • 4 - System Identification

  • from Part I - Lectures on Basics with Examples
  • Patrick Dewilde, Technische Universität München, Klaus Diepold, Technische Universität München, Alle-Jan Van der Veen, Technische Universiteit Delft, The Netherlands
  • Book:
    Time-Variant and Quasi-separable Systems
    Published online:
    24 October 2024
    Print publication:
    31 October 2024, pp 59-72

  • Summary

    From this point on, main issues in system theory are tackled. The very first, considered in this chapter, is the all-important question of system identification. This is perhaps the most basic question in system theory and related linear algebra, with a large pedigree starting from Kronecker's characterization of rational functions to its elegant solution for time-variant systems presented here. Identification, often also called realization, is the problem of deriving the internal system’s equations (called state-space equations) from input–output data. In this chapter, we only consider the causal, or block-lower triangular case, although the theory applies just as well to an anti-causal system, for which one lets the time run backward, applying the same theory in a dual form.

Nineteenth-Century American Literature and the Discourse of Natural History
  • Juliana Chow
  • Published online:
    16 November 2021
    Print publication:
    18 November 2021
  • Nineteenth-Century American Literature and the Discourse of Natural History illuminates how literary experimentation with natural history provides penumbral views of environmental survival. The book brings together feminist revisions of scientific objectivity and critical race theory on diaspora to show how biogeography influenced material and metaphorical concepts of species and race. It also highlights how lesser known writers of color like Simon Pokagon and James McCune Smith connected species migration and mutability to forms of racial uplift. The book situates these literary visions of environmental fragility and survival amidst the development of Darwinian theories of evolution and against a westward expanding American settler colonialism.