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← TechnologyWhich risk increases when hydraulic proportional valve poppet oscillates excessively?
A)System overheating due to fluid friction
B)Actuator velocity decreasing non-linearly
C)Control loop instability from position feedback✓
D)Component wear caused by pressure spikes
💡 Explanation
When the poppet oscillates, the resulting jitter in the control signal causes phase lag because the system attempts continuous unnecessary corrections based on fluctuating positional feedback, leading to control loop instability. Therefore control loop instability increases, rather than overheating, non-linearity or wear, which have different control mechanisms.
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