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← TechnologyWhat consequence results when joint position feedback is lost in the inverse kinematics controller of a welding robot arm?
A)Erroneous end-effector trajectory forms✓
B)Increased motor energy efficiency occurs
C)Heat dissipation rate increases locally
D)Arc welding plasma stability increases
💡 Explanation
Joint position feedback loss disrupts the robot arm's inverse kinematics, because the controller relies upon it to calculate joint angles to achieve the described end-effector trajectory; therefore positioning becomes highly inaccurate, rather than efficient operation.
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