Simulink - Triggered Subsystem - Initial Condition

2012 1 5
2 个回答
8 次查看（30 天）

0 个投票

Hi,
I can set the initial value of the output of a triggered subsystem. However, at step 2, the output is zero again as long as no trigger signal appears at the input. Is there a way to keep the value to the initial value until the first trigger occurs?
Thank you

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回答（2 个）

Ross Brown
Ross Brown 2012-1-17

0 个投票

Given just a default Triggered Subsystem block and a Step Input. I set the output port, "Out1", to have the "initial output" of 5.
The value of "Out1" stays 5 until the Triggered Subsystem block sees a rising edge.
This seems opposite from what you are seeing.
JOKY JOKE
JOKY JOKE 2012-1-17

0 个投票

@ Chris: Rising Edge Trigger is what I am using. @ Ross: It is opposite to what I am seeing. My initial output disappears at time step 2, even though no trigger occurs.

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