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Why does an if block only run once?

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Jon Emonson
Jon Emonson 2016-10-26
评论： Jon Emonson 2016-10-26
I have an issue in Simulink where I have to condition an output signal which currently is a striaght line, but should reset to zero when it hits a multiple of 360 degrees. This has been done by taking the input and subtracting 360 if true, else it's a straight-through. I've already tried an if-else block and action subsystems, however that seems to only execute once (i.e. when the output reaches 360 for the first time, after that it continues past 360 until the simulation times out).
Any ideas?

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采纳的回答

Steven Lord
Steven Lord 2016-10-26
I think you want to use a Math Function block to compute the mod of your input.

更多回答（2 个）

Terek Li
Terek Li 2016-10-26
'if' statement is not a loop, if you want to look it then use 'while'
Jon Emonson
Jon Emonson 2016-10-26
Well, any suggestions how to use a while loop to condition the input signal such that every n*360 to subtract n*360?

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