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← TechnologyWhich outcome occurs when a robotic arm encoder's output saturates at its voltage limit?
A)Compensated velocity profile generation
B)Unpredictable joint position errors✓
C)Precise trajectory path correction
D)Optimal torque limiting performance
💡 Explanation
Saturated encoder output means lost incremental position data; the PID controller updates use incorrect joint angles because the encoders stop reporting changes. Therefore, position errors accumulate rather than are limited, leading to undefined behaviours, because torque management aims at motor protection not precise position.
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