Simulink Control Design™ - MathWorks

For this system, the Water-Tank System block contains all the nonlinear dynamics. To specify the portion of the model to lineari ...

For more information on analyzing linear models, see “Linear Analysis” (Control System Toolbox). See Also Linear Analysis Tool | ...

“Linearize at Triggered Simulation Events” on page 2-100 “Linearize Plant” on page 2-46 “Compute Open-Loop Response” on page 2- ...

Visualize Bode Response of Simulink Model During Simulation This example shows how to visualize linear system characteristics of ...

To learn more about the block parameters, see the block reference pages. (^5) Specify the linearization I/O points. The linear s ...

TipIf your model already contains I/O points, the block automatically detects these points and displays them. Click at any time ...

iii Click to add the signal to the Linearization inputs/outputs table. b To specify an output: i In the Simulink model, click th ...

iii In the Configuration drop-down list of the Linearization inputs/outputs table, select Open-loop Output for watertank/Water-T ...

7 Click Show Plot to open an empty plot. 8 Plot the linear system characteristics by clicking in the plot window. Alternatively, ...

The software linearizes the portion of the model between the linearization input and output at the default simulation time of 0, ...

The values field is a state-space object which stores the linear system computed at simulation time of 0. To learn more about t ...

Linearize at Trimmed Operating Point This example shows how to linearize a model at a trimmed steady-state operating point (equi ...

Annotations appear in the model indicating which signals are designated as analysis points. TipAlternatively, if you do not want ...

(^5) Specify a steady-state operating point at which the magnetic ball height remains fixed at the reference signal value, 0.05. ...

(^7) Compute the operating point. Click Start trimming. A new variable, op_trim1, appears in the Linear Analysis Workspace. In t ...

(^8) Linearize the model at the specified operating point and generate a bode plot of the result. Click Bode. The Bode plot of t ...

Right-click on the plot and select information from the Characteristics menu to examine characteristics of the linearized respon ...

Linearize at Simulation Snapshot This example shows how to use the Linear Analysis Tool to linearize a model by simulating the m ...

(^5) In the Enter snapshot times to linearize dialog box, in the Simulation Snapshot Times field, enter one or more snapshot tim ...

(^8) Double click linsys1 in the Linear Analysis Workspace to see the state space representation of the linear model. Right-clic ...