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Closed-Circuit Hydraulic Actuator

This example shows a closed-circuit hydraulic actuator driven by a variable-speed motor. The actuator is arranged as a closed system with two replenishment valves (check valves) and a spring accumulator serving as a replenishment reservoir. The motor velocity is controlled by the difference between the commanded and actual actuator position. The actuator acts against a spring, damper, and a time-varying load.


Simulation Results from Simscape Logging

This plot shows the position of the piston and the flow rate through the pump.

This plot shows the pressures inside the cylinder and the time-varying load.