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Logic & Puzzles

If a robot arm's control system utilizes a contraction mapping to achieve precise movements, which consequence follows regarding its positioning accuracy?

A)Oscillations increase near target
B)Positioning error decreases over iterations
C)Static friction prevents convergence
D)Backlash introduces unbounded errors

💡 Explanation

The contraction mapping theorem guarantees convergence to a unique fixed point. Because the control system applies a contraction mapping, the positioning error diminishes with each iteration, therefore accuracy improves until the fixed point is reached, rather than oscillating or diverging due to other issues like friction or backlash.

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