Control system classes
The classes listed below are used to represent models of input/output
systems (both linear time-invariant and nonlinear). They are usually
created from factory functions such as tf()
and ss()
, so the
user should normally not need to instantiate these directly.
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A class for representing input/output systems. |
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LTI is a parent class to linear time-invariant (LTI) system objects. |
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A class for representing state-space models. |
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A class for representing transfer functions. |
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A class for models defined by frequency response data (FRD). |
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Nonlinear I/O system. |
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Interconnection of a set of input/output systems. |
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Interconnection of a set of linear input/output systems. |
The following figure illustrates the relationship between the classes and some of the functions that can be used to convert objects from one class to another:
Additional classes
Base class for nonlinear systems with a describing function. |
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Results of describing function analysis. |
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Base class for implementing basis functions for flat systems. |
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Base class for representing a differentially flat system. |
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Base class for a linear, differentially flat system. |
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Polynomial basis functions. |
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Class representing a trajectory for a flat system. |
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Description of a finite horizon, optimal control problem. |
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Result from solving an optimal control problem. |
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Description of a finite horizon, optimal estimation problem. |
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Result from solving an optimal estimationproblem. |
The use of these classes is described in more detail in the Differentially flat systems module and the Optimization-based control module