Which outcome occurs when a proportional solenoid valve in a closed-loop hydraulic control system experiences excessive hysteresis?

💡 Explanation

When a proportional valve has excessive hysteresis, the valve opening lags behind the control signal because the required magnetic force to overcome friction changes with direction, impairing precision. Therefore precision is reduced, rather than valve overshoot, thermal runaway,/oscillations; each requires different failures such as controller design or fluid viscosity.

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