Hydraulic Jerk in Articulated Vehicles

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    14-Sep-2015
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Transcript of Hydraulic Jerk in Articulated Vehicles

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    Hydraulic Steering Jerk

    on Articulated Vehicles

    Jared Cave Systems and Applications Engineer

    Danfoss Power Solutions

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    Hydraulic Steering Jerk

    Rapid changes in acceleration

    Oscillations

    Abrupt change of steering system

    Unique to articulated vehicles

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    Why is this important?

    Operator comfort/fatigue

    Safety

    Marketability

    Control

    Component wear

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    Influencing Factors

    Steering system design

    Sizing, ramp rates, pressure, etc

    Chassis design

    Cab

    Suspension

    Operator seat

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    Subjective

    Jerk

    System response

    Operator comfort

    Quantifiable

    Acceleration

    System pressure

    Flow rate

    Steering error

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    Testing

    Repeatable input

    Sine wave of position/velocity

    Rate

    Amplitude

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    Testing

    Accelerometer

    Steering wheel angle sensor

    Pressure transducers

    Flow meters

    Valve position

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    Summary

    Define

    Set a baseline

    Test

    Tune

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    How to View my Technical Paper NOW!

    1. Download the Danfoss Power Solutions app

    2. Log in or Create an Account

    3. Click on IFPE 2014

    4. Click Unlock Passcode

    5. Enter Code

    CODE:

    6474

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    Questions

    How to View my Technical Paper NOW!

    1. Download the Danfoss Power Solutions app

    2. Log in or Create an Account

    3. Click on IFPE 2014

    4. Click Unlock Passcode

    5. Enter Code

    CODE:

    6474