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  1. MartinFO

    Control valves, to control speed with limited feedback

    I have tried to draw the system. I need to control the reduced shaft of the gearbox by controlling the water flow. The sensor output is a square wave, so it is quite easy to calculate the speed. I have chosen counts per hour as the measure of speed, since it is possible to represent the speed as...
  2. MartinFO

    Control valves, to control speed with limited feedback

    Hi all I am new to this forum. I am posting because, I have struggled with a problem for some time new and need some inputs. I hope will help me. I have a water turbine (kind of) system that I need to control. - The speed of the turbine is adjusted by a ball valve. The ball valve opening is...
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