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← TechnologyWhich outcome results when excessive dither is applied to a digitally controlled pneumatic actuator?
A)Increased actuator thermal runaway risk
B)Reduced overall system energy efficiency
C)Decreased valve spool stiction effect
D)Amplified unwanted pressure oscillations✓
💡 Explanation
Excessive dither excites resonant frequencies, causing amplified pressure oscillations because it repeatedly perturbs the actuator near its natural oscillatory modes, therefore inducing instability in the system, rather than reducing thermal stress or stiction.
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