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The angle of the elevator is controlled by a stick

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Unformatted text preview: d. The angle of the elevator is controlled by a stick operated by the pilot. When the pilot moves the control stick, it produces a control signal from the angular position sensor. This signal is compared with the measured elevator angle by the controller and a control signal is generated proportional to the error. The control signal is directly fed to the electro-hydraulic servo valve which results in valve spool movement proportional to the control signal to adjust the flow rate through the hydraulic cylinders. The pressure difference across the piston provides the actuating force to rotate the elevato...
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