Robust Control Toolbox™

Find USS System blocks within specified Simulink^® model and check for consistency

Syntax

• [cflags,allupaths,allunames,upaths,unames,csumchar] = 
  usiminfo(sname, silent)
  

Description

The command usiminfo returns information regarding the locations of all USS System blocks within a Simulink model and determines if these conpatiblilty conditions are satisfied. It is possible to have uncertain objects of the same name through out a Simulink model. The helper functions usimsamp and usimfill assume that these are the same uncertainty. Hence uncertain objects of the same name should have the same object properties and Uncertainty value in the USS System pull-down menu. usiminfo provides information about the uncertainty in the Simulink diagram sname.

The following describes the input and outputs arguments of usiminfo:

Input Arguments
sname       Simulink diagram name

silent      Display inconsistencies between uncertain atoms, when not empty. Default is empty.

Output Arguments
cflag       Compatibility flag set to 1 if all uncertainties are consistent, set to 0 if an uncertainty definition(s) is consistent and set to -1 if common uncertainties in different blocks have different Uncertainty value.

allupaths   Path names of USS System blocks in the model (cell).

allunames   Uncertainties names in Simulink model (cell).

upaths      Path names associated with each allunames entry (cell).

unames      Uncertainty names associated with each allupaths entry (cell).

csumchar    Character array with description of uncertainties and their associated block path names. Empty if there is a conflict with unames.

See Also
usample     Generate random samples of uncertain object

usimfill    Fills in the Uncertainty Variable Name field or sets the Uncertainty Selection pull down menu in USS Simulink blocks

usimsamp    Generate random instance of all USS System blocks in a Simulink model

usubs       Substitutes values for uncertain atoms

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