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Which positional inaccuracy results when a robotic arm's joint suffers from sudden jerks during high-speed movements?

A)Path deviation error
B)Encoder saturation failure
C)Motor torque starvation
D)Harmonic drive backlash

💡 Explanation

Path deviation error increases because the robot’s inverse kinematics controller struggles to maintain the planned trajectory due to rapid accelerations exceeding defined limits. Therefore, path deviations emerge, rather than saturating the encoder, which accurately measures joint angles unless physically damaged.

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