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← TechnologyWhich programming error causes erroneous position feedback in robotic arms?
A)Aliasing from under-sampled encoder data✓
B)Backlash from overloaded motor gears
C)Gain saturation within PID controller
D)Jitter from poorly filtered supply
💡 Explanation
Aliasing creates incorrect position data because the Nyquist-Shannon sampling theorem requires twice the sampling rate of the highest frequency; therefore, position data will be misinterpreted, rather than mechanical backlash, saturation, or electrical noise being directly misinterpreted as joint position.
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