How do I take the translation output from one hydraulic cylinder rod and give it as an input to another so that it can act as a reciprocating pump in SIMHYDRAULICS?
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immanuelkeba
am 22 Sep. 2023
Kommentiert: Yifeng Tang
am 5 Okt. 2023
Instead of adding a mass at the end, I wanna connect the rod of another cylinder and make it as a reciprocating pump to pump water? How to do that? I tried adding like the image below.
But the translation of the cylinder seems to be very minimum relative to it's stroke length? I don't know why? Is there any other better way to connect them? and the flow rate from the DCV gets affected once I add the other cylinder to the circuit.
The input signal was to give flow rate till time 2s constantly. But it diminishes from starting itself.
What could be the problem here? Is it the DCV or the connection between two cylinders or the check valves?
Please help!!
Thanks
Immanuel Keba J
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Yifeng Tang
am 4 Okt. 2023
I believe you have one of the hydraulic cylinder backwards. The left-right on the canvas doesn't indicate positive or negative direction, so the model you have right now, the two cylinders are in fact parallel to each other, instead of opposing, with the rod pointing to the SAME direction. Without changing any lines and rotate one of the cylinders by 180 deg and you'll see what I mean.
In the parameters of the cylinder, there is a "Cylinder orientation" parameter. You likely need to change that.
Also, I saw you are using R2018a, but if you ever upgrade to a newer version, consider using the Isothermal Liquid domain, instead of Hydraulics, as the latter will be phased out gradually (and IL domain is better ;). https://www.mathworks.com/help/hydro/upgrading-hydraulic-models.html
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Yifeng Tang
am 5 Okt. 2023
Hi Immanuel,
If you feel comfortable uploading your model here, I can help take a look.
Otherwise, I suggest you reach out to the technical support. There are technical resources from MathWorks India who may be able to assist you further.
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