Module stability 

Stability Analysis Tools

This module provides various stability analysis tools for control systems including:

• Routh-Hurwitz stability criterion
• Nyquist stability analysis
• Bode plot generation
• Root locus analysis
• Gain and phase margins
• Lyapunov stability

Structs

BodePlotData

Bode plot data

NyquistPlotData

Nyquist plot data

RootLocusPoint

Root locus data point

RouthHurwitz

Routh-Hurwitz stability criterion

StabilityMargins

Stability margins (gain margin and phase margin)

Functions

bode_plot

Generate Bode plot data

is_bibo_stable

Check BIBO (Bounded Input Bounded Output) stability

nyquist_plot

Generate Nyquist plot data

root_locus

Generate root locus data

solve_lyapunov

Solve Lyapunov equation: AX + XA’ = -Q

stability_margins

Compute stability margins