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    5. Principles of Piezoelectric Actuators
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    ActuatorPrinciples of Piezoelectric Actuators

    Basic knowlede of Piezoelectric Actuators

    Piezoelectric Actuators

    Features from utilizing solid transformation by driving voltage

    1. High accuracy
    2. Quick response
    3. High keeping suspension
    4. Low consumption
    5. Electromagnetic noiseless
    6. High-density mounting is possible by small size
    7. Simple structure
    Piezoelectric Actuators

    Horizontal displacement X1=d31VL/t

    d31 the piezoelectric constant
    E Impressed electric field
    V Impressed voltage (E=V/t)
    t Thickness per layer
    L Length

    The displacement is defined by the piezoelectric constant , by the shape of the element and by the impressed electric field.

    d33type and d31type image gif animation

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    1. Electronic Components
    2. Micro Mechatronics
    3. Actuator
    1. HOME
    2. Electronic Components
    3. Micro Mechatronics
    4. Actuator
    5. Principles of Piezoelectric Actuators
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