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Electrohydraulic Power Steering Lecture 5 Day 2-Class 2
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Introduction Electrohydraulic steering can refer to A hydraulic power steering system driven with an electric motor A power steering system that uses wires to sense the steering wheel input and actuate the steering valve
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Electric Motor An electric motor can be used to power the steering pump instead of the engine Lowers fuel consumption Allows for more flexibility of design
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Sizing electric motors Electric motors are sized by horsepower We need to determine the horsepower required to drive our pump Horsepower should be around 0.25 HP A 1 horsepower motor would be much too large for our space considerations
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Example of electric horsepower sizing
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SKF Electro-hydraulic Steering
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Considerations for E-H System Design Simulation of end stops Operational environment Safety Steering functions Force feedback
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E-H Valve
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