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System Identification Toolbox Blocks

Alphabetical List By Category

Data Preparation

Represent Data

IDDATA SinkExport simulation data as iddata object to MATLAB workspace
IDDATA SourceImport time-domain data stored in iddata object in MATLAB workspace

Nonlinear Model Identification

Nonlinear ARX Models

IDNLARX ModelSimulate nonlinear ARX model in Simulink software
IDDATA SinkExport simulation data as iddata object to MATLAB workspace
IDDATA SourceImport time-domain data stored in iddata object in MATLAB workspace

Hammerstein-Wiener Models

IDNLHW ModelSimulate Hammerstein-Wiener model in Simulink software
IDDATA SinkExport simulation data as iddata object to MATLAB workspace
IDDATA SourceImport time-domain data stored in iddata object in MATLAB workspace

Model Analysis

Simulation and Prediction

Iddata SourceImport time-domain data stored in iddata object in MATLAB workspace
Iddata SinkExport simulation data as iddata object to MATLAB workspace
IdmodelSimulate identified linear model in Simulink software
Nonlinear ARX ModelSimulate nonlinear ARX model in Simulink software
Hammerstein-Wiener ModelSimulate Hammerstein-Wiener model in Simulink software
Nonlinear Grey-Box ModelSimulate nonlinear grey-box model in Simulink software

Online Estimation

Online Parameter Estimation

Recursive Least Squares EstimatorEstimate model coefficients using recursive least squares (RLS) algorithm
Recursive Polynomial Model EstimatorEstimate input-output and time-series polynomial model coefficients
Model Type ConverterConvert polynomial model coefficients to state-space model matrices

Online State Estimation

Kalman FilterEstimate states of discrete-time or continuous-time linear system
Extended Kalman FilterEstimate states of discrete-time nonlinear system using extended Kalman filter
Unscented Kalman FilterEstimate states of discrete-time nonlinear system using unscented Kalman filter
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