Mathematical modeling | Classical control theory

Classical control theory

Classical control theory is a branch of control theory that deals with the behavior of dynamical systems with inputs, and how their behavior is modified by feedback, using the Laplace transform as a basic tool to model such systems. The usual objective of control theory is to control a system, often called the plant, so its output follows a desired control signal, called the reference, which may be a fixed or changing value. To do this a controller is designed, which monitors the output and compares it with the reference. The difference between actual and desired output, called the error signal, is applied as feedback to the input of the system, to bring the actual output closer to the reference. Classical control theory deals with linear time-invariant single-input single-output (SISO) systems. The Laplace transform of the input and output signal of such systems can be calculated. The transfer function relates the Laplace transform of the input and the output. (Wikipedia).

Classical control theory
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Related pages

Feedback | Norm (mathematics) | Negative feedback | Dynamical system | Minor loop feedback | Bode's sensitivity integral | Nyquist stability criterion | Phase margin | Process control | Open-loop controller | Coordinate vector | Linear time-invariant system | Transfer function | Laplace transform | Dimension (vector space) | Plant (control theory) | Control theory | Bode plot | Function (mathematics) | PID controller | Real number | Mathematical model | Instability | Root locus | Scalar (mathematics) | Complex number | Feed forward (control)