Save Data using "to File" on command

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Simon Schirk
Simon Schirk 2023-12-14
回答： Divyanshu 2023-12-21
Is there a way to save the data i provide to the "to File" block on a command?
I don't want to use continious logging or some time intervall, but a signal I crate as the indicator when to save.
  2 个评论
Andreas Goser
Andreas Goser 2023-12-14
Would that "command" an interaction by the user or an event like a signal value exceedinf a threshold?
Simon Schirk
Simon Schirk 2023-12-15
The trigger event is a signal value. The "ping" is send every 10 cm driven by the Robot.

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回答（1 个）

Divyanshu
Divyanshu 2023-12-21
Hi Simon,
I understand that you want to save the data provided as input to "To File" block, only when the ping signal is recieved from the Robot you are working with.
A possible way to achieve this is to make use of 'Triggered Subsystem'.
Following are the components I used for my sample model to achieve similar objective:
  • Firstly created a 'Triggered Subsystem' and inside the subsytem placed the 'To File' block.
  • The above subsytem takes the data as an input, which is to be provided to the 'To File' block.
  • I have used a pulse generator whose rising edge acts as a trigger for the subsystem.
  • Finally when rising edge comes in pulse generator the subsystem is triggered and input data is logged into the block.
You can go through above points and can make modifications based on your use-case.
Please refer the following documentation for further details about 'Triggered Subsystem':
https://www.mathworks.com/help/simulink/ug/triggered-subsystems.html

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