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← TechnologyWhich outcome occurs when an aircraft's stability augmentation system (SAS) experiences actuator saturation?
A)Oscillation due to integral windup✓
B)Increased pilot override authority
C)Engine flameout due to fuel surge
D)Hydraulic system pressure relief
💡 Explanation
Actuator saturation limits the control surface deflection range; this engages integral windup because the controller keeps integrating the error signal beyond the achievable physical limit. Therefore, oscillations arise, rather than stable flight due to the windup continually attempting correction.
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