System Identification Explorer
Plant ?
PRBS Excitation
Amplitude
2.0
Bit duration
5
Samples
200
Hidden Plant
New Plant
Reveal
Hidden Plant TF
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Model Structure
Structure
ARX(1,1,1) — 1st order
ARX(2,2,1) — 2nd order
ARX(2,2,2) — 2nd order + delay
ARX(3,3,1) — 3rd order
ARX(2,1,1) — 2 poles, 1 zero
Val. split
25%
Fit Model
New Excitation
Fit Results
—
Train RMSE
—
Val. RMSE
—
R² (train)
—
Cond. Number
Identified Model
Discrete ARX
Not fitted yet
Input & Output Data — Training / Validation
Step Response — Hidden Plant vs Identified Model
💡
Click "New Plant" to set up a hidden system, then "Fit Model" to identify it from I/O data.