PLUS+1 Software > Code sharing
stopping a PVE slowly
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Marbek_Elektronik:
HI,
the normal way to stop a valve of a crane, for example, is to use a time ramp.
If the time ramp is long enough the crane would stop slowly and does not produce a swinging of the machine.
But if the time is to long, the way of the crane is to long after the user wants to stop it.
Now my idea: Does anybody know another function then a time ramp?
What is the best way to stop a valve?
(I have PVEA to drive the valve)
Thanks.
jsaluk:
consider changing to a pressure control spool for the swing function. Generally provides smoother control since you would be controlling torque rather than speed. PVEA function block and ramps can still be applied
Marbek_Elektronik:
There are PVEA and PVEH installed. I can't change this.
So the valves are volume controlled.
I need an algorithmus to stop the valve comfortable but without to large way after I bring the Joystick in neutral position.
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