Research Article

Position Control of a Single-Rod Electro-Hydrostatic Actuator Experiencing a Leaky Piston Seal

Figure 8

Simulation responses of QFT controller GFTC and FFTC to a 100-mm step input for actuator working under normal (no leak) condition, pushing against a 130 kN/m spring and moving a load mass of 300 kg. (a) Position. (b) Control signal. (c) Position error.
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(b)
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