Sökning: "piezoelectric actuator"

Visar resultat 1 - 5 av 7 avhandlingar innehållade orden piezoelectric actuator.

  1. 1. Microfabrication and evaluation of piezoceramic actuators

    Författare :Mats Bexell; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Materials science; Miniature motor; piezomotor; piezoelectric; actuator; assembly; piezoceramic; Materialvetenskap; Materials science; Teknisk materialvetenskap; materialvetenskap; Materials Science;

    Sammanfattning : There is an increasing interest for miniaturised actuators in a number of technological fields such as automation or medicine (e.g. prostheses, medical pumps etc.). LÄS MER

  3. 2. Dynamics of Plates with Thin Piezoelectric Layers

    Författare :Karl Mauritsson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Thin layers; Actuator; Plate equations; Equivalent boundary conditions; Power series expansions; Piezoelectricity;

    Sammanfattning : The subject of this thesis is dynamics of plates with thin piezoelectric layers. Piezoelectric materials are often used in sensors and actuators and common applications for these are vibration control and ultrasonic transducers. LÄS MER

  4. 3. Characterization of piezoelectric shear modeinkject actuator

    Författare :Jürgen Brünahl; KTH; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER

  5. 4. Polymer Actuators for Micro Robotic Applications

    Författare :Erik Edqvist; Stefan Johansson; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Micro actuator; PVDF-TrFE; I-SWARM; Multilayer actuator; Materials science; Teknisk materialvetenskap;

    Sammanfattning : In this thesis a multilayer actuator structure is developed for the I-SWARM project. In order to build an energy efficient and low voltage actuator system for the 3x3x3 mm3 robot, the resonance drive mode in combination with a ten layer multilayer structure build upon the most suitable substrate material was used. LÄS MER

  7. 5. Physics of piezoelectric shear mode inkjet actuators

    Författare :Jürgen Brünahl; KTH; []
    Nyckelord :;

    Sammanfattning : This thesis describes work on piezoelectric shear modeactuators used in dropon- demand ink printing applications.These actuators comprise an array of ink channels micromachinedinto bulk Pb(ZrxTi1-x)O3(PZT) ceramics. LÄS MER