Which risk increases when using a proportional valve-controlled hydraulic actuator at very high frequencies?

💡 Explanation

When a hydraulic actuator with a proportional valve is operated at high frequencies, hysteresis in the valve's response becomes significant due to internal friction and fluid dynamics, leading to delays and inaccuracies in position control. Therefore reduced positioning accuracy results, rather than overheating, increased power, or corrosion, which are driven by different factors.

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