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Which outcome occurs when position feedback fails in a robotic arm using integral control?

A)Steady-state oscillations are amplified
B)Velocity becomes accurately regulated
C)System damping improves radically
D)Instability decreases gradually

💡 Explanation

Runaway amplification in oscillations arises because without valid position feedback the integral gain continually increases motor output, driving the system toward an extreme range; therefore, oscillations are amplified, rather than settling to a stable endpoint because damping would decrease without functioning position data.

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