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Electrohydraulic Power Steering

Electrohydraulic Power Steering

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Electrohydraulic Power Steering

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  1. Electrohydraulic Power Steering Lecture 5 Day 2-Class 2

  2. 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

  3. 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

  4. 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

  5. Example of electric horsepower sizing

  6. SKF Electro-hydraulic Steering

  7. Considerations for E-H System Design • Simulation of end stops • Operational environment • Safety • Steering functions • Force feedback

  8. E-H Valve