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Which risk increases when using inverse kinematics to control a robotic arm with significant joint backlash?

A)Inaccurate endpoint positioning occurs
B)Encoder resolution becomes insufficient
C)Motor torque demand sharply rises
D)PLC cycle time is dramatically reduced

💡 Explanation

Inaccurate endpoint positioning increases because *joint backlash* introduces uncertainty in joint angles, confusing the inverse kinematics solution. The calculated joint angles will not correspond to actual position, therefore leading to endpoint error, rather than simply increasing torque demand or the timing changing for the PLC in this scenario.

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