Help with State Transition Table

Greetings, I am diong a project where I am creating an air piano inside simulink with my arduino uno board. The table is for lighting three LED lights based on different distance inputs from an ultrasound sensor. The output I am currently getting is that only my green LED lights up despite inputting several different distances. any help or tips would be greatly appreciated. I have also included a picture of my blocks diagram in simulink.

Answer 1

[Joaquin]

Thank you so much! This solved the issue I was having, I just needed to delete the state_off row and the fourth else-if, and change all of the states that were in $Self to % Ignore% and the program ran flawlessly.

[madhan ravi]

But did you see @Fangjuns answer? The condition that you are using is still wrong.

[Fangjun Jiang]

The below example explains why you got the "correct" result after making the "wrong" changes.

After making the changes your described, please run a simulation where "distance" is fed with a Constant block with value 35. You will see the state stays at Green, which is obviously wrong.

You could attach your model for others to try.

distance=35;
[0<distance<10]

ans = logical
   1

Answer 2

[Fangjun Jiang]

[0<distance<10] is not the correct syntax. Your state stays at the default.

changing all to style [0<distance && distance<10] should resolve the issue.

[Fangjun Jiang]

distance=35;
[0<distance<10]

ans = logical
   1

This is equivalant to

(0<distance) < 10

ans = logical
   1

[madhan ravi]

yes, proper logical and should be used for stateflow conditions in the similar way done in MATLAB