Documentation

Closed-Loop Actuator with 2-Way Valve

This example shows the use of a 2-way valve in a closed-loop circuit together with a double-acting hydraulic cylinder, fixed orifice, mass, spring, damper, and control blocks.

The valve is initially opened by 0.42 mm to assure that the cylinder force is close to zero at the start of simulation. The PS Gain block represents a lever through which a control signal is applied to the valve.

Model

Simulation Results from Simscape Logging

The plot below shows the measured and commanded position of the piston as well as the pressures in the hydraulic cylinder.

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