Robotics Primer
September 7, 2026
Hydraulic Systems Primer — From Pascal's Principle to Force Control in Robots
Why can a small input move a hydraulic excavator's massive arm? This article treats the pump, control valves, cylinder, hydraulic fluid, sensors, and controller as a single closed loop, covering the pressure/flow/efficiency equations, current technology in construction and agricultural machinery, and electro-hydraulic conversion and current research, with diagrams.
Fundamentals · 8 min
