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  2. Closed system (control theory) - Wikipedia

    en.wikipedia.org/wiki/Closed_system_(control_theory)

    The terms closed system and open system have long been defined in the widely (and long before any sort of amplifier was invented) established subject of thermodynamics, in terms that have nothing to do with the concepts of feedback and feedforward. The terms 'feedforward' and 'feedback' arose first in the 1920s in the theory of amplifier design ...

  3. Glossary of systems theory - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_systems_theory

    Homeostasis: The property of either an open system or a closed system (especially a living organism) which regulates its internal environment so as to maintain a stable, constant condition. Human activity systems: Designed social systems organized for a purpose, which they attain by carrying out specific functions.

  4. List of types of systems theory - Wikipedia

    en.wikipedia.org/.../List_of_types_of_systems_theory

    This list of types of systems theory gives an overview of different types of systems theory, which are mentioned in scientific book titles or articles. [1] The following more than 40 types of systems theory are all explicitly named systems theory and represent a unique conceptual framework in a specific field of science .

  5. Systems theory - Wikipedia

    en.wikipedia.org/wiki/Systems_theory

    Systems theory is manifest in the work of practitioners in many disciplines, for example the works of physician Alexander Bogdanov, biologist Ludwig von Bertalanffy, linguist Béla H. Bánáthy, and sociologist Talcott Parsons; in the study of ecological systems by Howard T. Odum, Eugene Odum; in Fritjof Capra's study of organizational theory; in the study of management by Peter Senge; in ...

  6. Clinical Systems and Networks - Wikipedia

    en.wikipedia.org/wiki/Clinical_Systems_and_Networks

    It is necessary to have closed systems like hospitals and primary care services to employ staff and ensure money is administered with probity but they are all parts of an open system of healthcare and changes imposed in any one closed system will have unintended consequences elsewhere through a feedback mechanism that may, or may not, be ...

  7. Nursing theory - Wikipedia

    en.wikipedia.org/wiki/Nursing_theory

    The nursing model is a consolidation of both concepts and the assumption that combine them into a meaningful arrangement. A model is a way of presenting a situation in such a way that it shows the logical terms in order to showcase the structure of the original idea. The term nursing model cannot be used interchangeably with nursing theory.

  8. Equifinality - Wikipedia

    en.wikipedia.org/wiki/Equifinality

    Equifinality is the principle that in open systems a given end state can be reached by many potential means. The term and concept is due to the German Hans Driesch, the developmental biologist, later applied by the Austrian Ludwig von Bertalanffy, the founder of general systems theory, and by William T. Powers, the founder of perceptual control theory.

  9. Dorothy E. Johnson - Wikipedia

    en.wikipedia.org/wiki/Dorothy_E._Johnson

    Behavioral system model, nursing theorist Dorothy E. Johnson (August 21, 1919 – February 4, 1999) [ 1 ] was an American nurse, researcher, author, and theorist. She is known for creating the behavioral system model and for being one of the founders of modern system-based nursing theory .