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← TechnologyWhich outcome can result when accumulated floating-point rounding errors exceed accepted tolerance within a PLC controlling a robotic arm?
A)Encoder pulse count desynchronization
B)Thermal runaway in servo drives
C)Unplanned kinematic singularity passage✓
D)Emergency stop circuit activation
💡 Explanation
Unplanned kinematic singularity passage occurs because floating point errors accumulate, corrupting the inverse kinematics calculations managed by the PLC. This leads to unpredictable joint movements; therefore the arm passes through a zone where a defined motion becomes impossible altogether, rather than executing controlled operation.
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