[Simulink] How to change the type of the number in "chart"?

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takaka 2024-5-27

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编辑： Fangjun Jiang 2024-5-28

I want to make a simple countup model in "chart" block (state machine) like the attached picture.

However, there is an error when I simulate this model.

The problem is the types of the parameter 'cnt' and the added number "1" are different.

I set 'cnt' "fixdt(0,4,0)", so also want '1' to be fixdt(0,4,0), but I don't know how to set the type.

How can I do this?

Best,

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Sanju 2024-5-27

Can you please share your model?

takaka 2024-5-27

test_chart.slx

This is the simplified model.

Best,

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回答（1 个）

Fangjun Jiang 2024-5-27

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https://ww2.mathworks.cn/matlabcentral/answers/2122906-simulink-how-to-change-the-type-of-the-number-in-chart#answer_1463991

编辑：Fangjun Jiang 2024-5-28

In the chart, add a data, specify the scope as "Constant", name it ConstantOne, specify its value and data type. It is a good practice not to use fixed numerical number.

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