[Discuss-gnuradio] Help needed regarding implementing spring mass system in GRC

[Afaq Ahmed]

Hello,
I want to implement spring mass system with PID controller of example
mentioned in following link

[
http://ctms.engin.umich.edu/CTMS/index.php?example=Introduction&section=ControlPID
]

I want to create a flow graph exactly as given in the figure
"Spring_mass_simulink" . Can you please help me how can i achieve this
target? As i tried to implement it but unfortunately i always get an error
of "Flow graph has loops"
Thanks a lot
Afaq

Spring_mass_simulink.pdf
Description: Adobe PDF document

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