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Which control error arises when a robotic arm's joint position calculation exceeds the encoder's sensor bit-depth?

A)Quantization noise becomes significant
B)Inaccurate transmission gear meshing
C)Thermal drift accumulates rapidly
D)Backlash compensation becomes amplified

💡 Explanation

Increased position error occurs because the analog-to-digital converter produces substantial quantization noise when resolution is exceeded; therefore, significant errors appear rather than gradual degradation owing to other noise sources and modeling uncertainties.

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