# Control & modeling

Resonance, feedback, discretization and plant modeling from measured response.

::::{grid} 1 2 2 2
:gutter: 3

:::{grid-item-card} Control Analysis: Resonance and Feedback
:link: advanced_control_basics
:link-type: doc

Recognize a resonant plant from time-series data using ASD, coherence, and a measured transfer function.
:::

:::{grid-item-card} Control Analysis: Plant Modeling from Measured Response
:link: advanced_control_modeling
:link-type: doc

Estimate a transfer function from measurements and fit a compact second-order plant model to it.
:::

:::{grid-item-card} Control Analysis: Discretization (ZOH vs Tustin)
:link: advanced_control_discretization
:link-type: doc

Compare Zero-Order Hold and Tustin discretization of a continuous plant in both frequency and time domains.
:::

:::{grid-item-card} High-Precision Modal Analysis of Suspension Systems
:link: advanced_modal_analysis
:link-type: doc

Extract resonance frequencies, damping ratios, and mode shapes from measured vibration data without a known excitation force.
:::

::::

```{toctree}
:hidden:

advanced_control_basics
advanced_control_modeling
advanced_control_discretization
advanced_modal_analysis
```