CONTROL SYSTEMS ROOT LOCUS Using Evans' Rules

The function accepts a rational TF as input and computes and plots the characteristic points of the root locus using Evans' Rules.

Version 1.0.2 (3.21 KB)
195 Downloads
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19 Mar 2023

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CONTROL SYSTEMS ROOT LOCUS Using Evans' Rules v.1.02
This function accepts a rational transfer function as input and computes and plots the characteristic points of the root locus using either the direct or complementary Evans' Rules.
The characteristic features are plotted on the generated graphs along with the root locus computed using MATLAB's "rlocus" function.

Cite As

Diego Caccavo (2026). CONTROL SYSTEMS ROOT LOCUS Using Evans' Rules (https://in.mathworks.com/matlabcentral/fileexchange/126030-control-systems-root-locus-using-evans-rules), MATLAB Central File Exchange. Retrieved .

Acknowledgements

Inspired by: root_locus

General Information

MATLAB Release Compatibility

  • Compatible with R2021b and later releases

Platform Compatibility

  • Windows
  • macOS
  • Linux
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Version Published Release Notes
1.0.2

- Fixed rounding errors in calculating angles of departure and arrival for poles and zeros with orders greater than one.
- Fixed output issue for BAP/BIP locations to display both real and imaginary.
1.0.1

The function requires also the "Symbolic Math Toolbox"
1.0.0