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← TechnologyIn a robot arm performing repetitive welding, which consequence results when joint encoder resolution is insufficient?
A)Accumulated positional error increases✓
B)Excessive motor current draw happens'
C)Joint lubrication wears faster
D)Controller CPU overheats faster
💡 Explanation
Insufficient encoder resolution leads to imprecise joint angles, and, over many cycles, positional error accumulates due to poor **feedback control**, because adjustments are not granular enough. Therefore, accuracy degrades, rather than causing electrical or thermal problems due to incorrect positioning.
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