It is already explained in other article that a servovalve is equivalent to four throttle valves connected in […]

It is an orthodox thought to feed back the load or the oil pressure to the control unit when the thrust is con […]

On the conventional oil system, the error margin of the rod position caused by stick slip due to threshold and […]

As explained in previous section, there is no stick-slip on the oil pump. Now you should wonder how about stic […]

As stated in previous sections, servo-valve is a kind of 4-port directional valve and each port can be regulat […]

The previous section elaborates on the fact that servo-valves are equivalent to the four valves which are alig […]

Thy typical servo-valve is normally in the shape of a 4 port spool valve. The spool position can be adjusted f […]

Basically there are two methods to control hydraulic cylinders precisely: one is by Direct Drive method by HyS […]