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Dynamic System Models

Dynamic System Models generally represent systems that have internal dynamics or memory of past states (such as integrators).

Most commands for analyzing linear systems, such as bode, margin, and ltiview, work on most Dynamic System Model objects. For Generalized Models, analysis commands use the current value of tunable parameters and the nominal value of uncertain parameters.

The following table lists the Dynamic System Models.

Model FamilyModel Types
Numeric LTI models — Basic numeric representation of linear systemstf
zpk
ss
frd
pid
pidstd
Identified LTI models — Representations of linear systems with tunable coefficients, whose values can be identified using measured input/output data.idtf
idss
idfrd
idgrey
idpoly
idproc
Identified nonlinear models — Representations of nonlinear systems with tunable coefficients, whose values can be identified using input/output data. Limited support for commands that analyze linear systems.idnlarx
idnlhw
idnlgrey
Generalized LTI models — Representations of systems that include tunable or uncertain coefficientsgenss
genfrd
uss
ufrd
Dynamic Control Design Blocks — Tunable, uncertain, or switch components for constructing models of control systemsltiblock.gain
ltiblock.tf
ltiblock.ss
ltiblock.pid
ltiblock.pid2
ultidyn
udyn
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