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← TechnologyWhich error increases as a collaborative robot ('cobot') arm approaches a singularity?
A)Unpredictable joint velocity changes✓
B)Thermal runaway in servo motors
C)Encoder pulse count inaccuracy
D)PLC instruction cycle time overruns
💡 Explanation
Joint velocity unpredictability increases due to the cobot’s inverse kinematics encountering infinitely many solutions near singularities. Because minor Cartesian-space movements then yield wildly different joint velocities, the error becomes significant rather than servo overheating arising from constant use.
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