Control Package: rlocus

Function File: rlocus (sys)
Function File: [rldata, k] = rlocus (sys, increment, min_k, max_k)

Display root locus plot of the specified SISO system.

Inputs

sys

LTI model. Must be a single-input and single-output (SISO) system.

increment

The increment used in computing gain values.

min_k

Minimum value of k.

max_k

Maximum value of k.

Outputs

rldata

Data points plotted: in column 1 real values, in column 2 the imaginary values.

k

Gains for real axis break points.

Block Diagram

  u    +         +---+      +------+             y
 ------>(+)----->| k |----->| SISO |-------+------->
         ^ -     +---+      +------+       |
         |                                 |
         +---------------------------------+

Source Code: rlocus