Getting Started

Opening the SISO Design Tool

This section shows how to open the SISO Design Tool with the DC motor example developed in Building Models.

If you have not built the DC motor model, type

• load ltiexamples
  

at the MATLAB prompt. This loads a collection of linear models, including the DC motor. To open the SISO Design Tool and import the DC motor, type

• sisotool(sys_dc)
  

at the MATLAB prompt.

This command opens the SISO Design Tool with the root locus and open-loop Bode diagrams for the DC motor plotted by default.

Figure 4-1: SISO Design Tool with the DC Motor Example

The SISO Design Tool displays

• Poles as x's
• Zeros as o's
• Gain and phase margins (by default) in the lower left corners of the Bode magnitude and phase plots

The SISO Design Tool

Importing Models into the SISO Design Tool