Simulink Control Design™ - MathWorks

See Also

Plot Linear Characteristics of Simulink Models During Simulation on page 2-82

“Verify Model at Default Simulation Snapshot Time” on page 14-6

Magnitudes (dB)

Magnitude values for one or more upper singular value bound segments, specified in
decibels.

Specify the corresponding frequencies in Frequencies (rad/sec) on page 16-305.

Settings

Default:
[] for Singular Value Plot block
[0 0] for Check Singular Value Characteristics block

Must be specified as start and end magnitudes:

• Finite numbers for a single bound with one edge


• Matrix of finite numbers for a single bound with multiple edges

For example, type [0 0; 10 10] for two edges at magnitudes [0 0] and [10 10].

• Cell array of matrices with finite numbers for multiple bounds

Tips

• To assert that magnitudes are satisfied, select both Include upper singular value
  bound in assertion on page 16-304 and Enable assertion on page 16-315.


• You can add or modify magnitudes from the plot window:
  
  
  • To add a new magnitude, right-click the plot, and select Bounds > New Bound.
    Select Upper gain limit in Design requirement type, and specify the
    magnitude in the Magnitude column. Specify the corresponding frequencies in the
    Frequency column.
  
  
  • To modify the magnitudes, drag the bound segment. Alternatively, right-click the
    segment, and select Bounds > Edit Bound. Specify the new magnitudes in the
    Magnitude column.
  
  
  
  

Singular Value Plot