db_0137: States in state machines
Since R2020a
Guideline Publication
Control Algorithm Modeling Guidelines - Using MATLAB®, Simulink®, and Stateflow®
Sub ID Recommendations
NA-MAAB — a
JMAAB — a
MATLAB Versions
All
Rule
Sub ID a
When the Decomposition for the Chart block or
State is set to OR (Exclusive)
, there shall be at least
two states in the hierarchy.
Custom Parameter
Not Applicable
Example — Incorrect
The hierarchy contains only one state when the
Decomposition option is set to OR
(Exclusive)
Rationale
Sub ID a:
Redundant descriptions impair readability.
Generated code includes unnecessary state variables.
Verification
Model Advisor check: Check for state in state machines (Simulink Check)
Last Changed
R2020a
See Also
Version History
Introduced in R2020a