No unconditional default transitions help

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Alex
Alex 2025 年 1 月 3 日
コメント済み: Alex 2025 年 1 月 23 日 2:54
Hello, I am running into an issue with the state below. I am a bit stuck, previously I had set the SFNoUnconditionalDefaultTransitionDiag parameter to be a warning but changed it to an error now. Now I am unsure on how going about fixing this error.
In a default transition, every path must lead to a substate and there must be one path that is not guarded by a condition or triggered by an event. Suggested Actions
- Terminate every path along the default transition in a substate.
- Ensure one default transition path is not guarded by a condition or triggered by an event.
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Hitesh
Hitesh 2025 年 1 月 3 日
Could you share the simulink file so that I reproduce this error and let you know root cause of it ?

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回答 (1 件)

Hitesh
Hitesh 2025 年 1 月 4 日
Hi Alex,
You need to remove the condition of "!test" from the default transition. Ensure that the default transition does not have any conditions or event triggers. The default transition should be unconditional, it must automatically lead to a substate without any prerequisites.
For more information regarding the "Default Transition", kindly refer to the following MATLAB documentation:
  1 件のコメント
Alex
Alex 2025 年 1 月 23 日 2:54
I needed the !test condition to be met before sending the trigger.
I was able to get around this by doing the following:
  • Create a 'Task2' sub-state and added the send trigger1 there
  • Added !test as a condition to transition from Task1 to Task2 sub-state
  • Removed !test condition from going into Task1 sub-state

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