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IEVref:351-52-04ID:
Language:enStatus: Standard
Term: sequential circuit
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Definition: switching system the values of the output variables of which at a specified instant depend on the values of the input variables and the values of the state variables at this instant, whereas the values of the state variables of the system at a following instant depend on the values of the state variables and the values of the input variables at the specified instant

SEE: Figure 22.

Note 1 to entry: A sequential circuit is described by the equations
xi+1 = f(xi, ui)transition function, consisting of a finite number of state variables
vi = g(xi, ui)output function

where
xiis the state vector at instant ti;
xi+1is the state vector at instant ti+1;
uiis the input vector at instant ti;
viis the output vector at instant ti.

Note 2 to entry: For the sequential circuit a specific stability does exist. This stability means the property that the input variable which has caused the transition to a specific state cannot interact with this state or cannot cause another transition when interacting with this state.

Note 3 to entry: This entry was numbered 351-29-05 in IEC 60050-351:2006.


Publication date:2013-11
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Internal notes:2017-08-28: Added two missing </td> tags. LMO
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