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Controllability is an important property of a control system, and the controllability property plays a crucial role in many control problems, such as stabilization of unstable systems by feedback, or optimal control.
Controllability and observability are dual aspects of the same problem.
Roughly, the concept of controllability denotes the ability to move a system around in its entire configuration space using only certain admissible manipulations. The exact definition varies slightly within the framework or the type of models applied.
The following are examples of variations of controllability notions which have been introduced in the systems and control literature:
Controllability in the behavioural framework
WASHINGTON, D.C. (May 14, 2019) — Today, counsel for Firearms Policy Coalition (FPC), Firearms Policy Foundation (FPF), and The Calguns Foundation (CGF) have submitted an important brief with the United States Supreme Court calling for the City of New York’s unconstitutional firearm law to be...