Which risk increases when servo motor encoder resolution weakens due to vibrational resonance in a robotic arm performing rapid pick-and-place actions?

💡 Explanation

Increased resonance causes inaccurate position feedback through the quadrature encoder, leading to instability because corrective action misaligns with the true position. Therefore, the arm oscillates; rather than overheating windings or demagnetizing the magnets because the current control loop reacts to bad positional data.

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