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What is this block?
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Walter Roberson
2016 年 12 月 8 日
That appears to be a Heaviside function. Are you asking whether there is a built-in Simulink block to implement it? I do not find it as a single block in Simulink
回答 (1 件)
Prashanth Krishnan
2016 年 12 月 14 日
As Walter mentioned, the block in the image represents a heaviside function. Unfortunately, there is currently no block for the 'heaviside' function in Simulink. However, there is a function in MATLAB that implements this, and is called "heaviside". Please refer to the following link for documentation on this function:
1 件のコメント
Walter Roberson
2016 年 12 月 14 日
Correct URL should be https://www.mathworks.com/help/symbolic/heaviside.html as the one you gave was for use inside the MuPAD engine.
Either version uses the symbolic engine, which is a problem for Acceleration as nothing in symbolic toolbox can be compiled.
I would therefore suggest using a MATLAB Function Block with
result = double(u >= 0)
or
result = double(u > 0);
or
result = double(u > 0) + double(u == 0) * 1/2;
depending on the behavior that was wanted for 0 exactly.
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