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Performance in sampled data systems

Performance in sampled data systems

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© The Institution of Electrical Engineers
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A performance index for control systems has been defined as the supremum of the absolute error that occurs over all time and all inputs. The input to the system is known only to the extent that it belongs to a known function space. This paper shows how this performance index is determined for certain sampled data systems with an input space characterised only by a bound on the derivative of the input. An example of a design using this performance index is given.

Inspec keywords: performance index; sampled data systems

Other keywords: control systems; absolute error; sampled data systems; performance index

Subjects: Discrete control systems; Control system analysis and synthesis methods

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