Version 3.3 (R2011a) Simulink Control Design Software

This table summarizes what's new in Version 3.3 (R2011a):

New Features and Changes	Version Compatibility Considerations	Fixed Bugs and Known Problems
Yes Details below	No	Bug Reports Includes fixes

New features and changes introduced in this version are

• Ability to Select Individual Bus Elements as Linearization Input and Output Points

• Enhanced LINLFT Command Optionally Returns Linearization of Excluded Blocks

• Access to Current Linearization of a Simulink Block for Specifying Custom Linearization

• Enhanced PID Controller Blocks Display Compensator Formula in Block Dialog Box

Ability to Select Individual Bus Elements as Linearization Input and Output Points

Instead of selecting an entire bus, you can now select individual elements of the bus signal as linearization inputs or outputs (I/Os). By selecting individual bus elements, you can:

• Obtain the linearization only for the channels of interest.

• Specify multiple I/Os, possibly as different types, in the same bus.

Select individual bus elements as I/Os when you want to:

• Linearize a Simulink model using the GUI or programmatically.

• Visualize time- and frequency-domain response during simulation using the Linear Analysis Plots blocks.

• Verify frequency-domain characteristics using the Model Verification blocks.

For more information, see Select Individual Bus Elements as Linearization Points and the linio reference page.

Enhanced LINLFT Command Optionally Returns Linearization of Excluded Blocks

A new optional output argument to linlft returns the linearization of blocks you specify for exclusion from the linearized model.

For more information, see the linlft reference page.

Access to Current Linearization of a Simulink Block for Specifying Custom Linearization

When you use a specification function to specify a custom linearization of a Simulink block, you can now access the current linearization in your function. The current linearization is stored in the new BlockLinearization field of the BlockData structure. The software automatically creates the BlockData structure and passes it to your block linearization specification function.

For more information and an example showing how to use the BlockLinearization field of BlockData, see Augmenting the Linearization of a Block.

Enhanced PID Controller Blocks Display Compensator Formula in Block Dialog Box

The PID Controller and PID Controller (2DOF) blocks now display the current compensator formula in the block dialog box. This display reflects the current settings for controller type, controller form, and time domain.

Version 3.4 (R2011b) Simulink Control Design Software

Version 3.2 (R2010b) Simulink Control Design Software

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