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    A smart 3D ultrasonic actuator for unmanned vehicle guidance industrial applications

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    Name:
    Piezoelectric Ultrasonic Actuator ...
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    Authors
    Shafik, Mahmoud
    Ashu, Mfortaw, Elvis
    Nyathi, B.
    Affiliation
    University of Derby
    Issue Date
    2015-08-26
    
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    Abstract
    A smart piezoelectric ultrasonic actuator with multidegree of freedom for unmanned vehicle guidance industrial applications is presented in this paper. The proposed actuator is aiming to increase the visual spotlight angle of digital visual data capture transducer. Furthermore research are still undertaken to integrate the actuator with an infrared sensor, visual data capture digital transducers and obtain the trajectory of motion control algorithm. The actuator consists of three main parts, the stator, rotor and housing unit. The stator is a piezoelectric ring made from S42 piezoelectric material, bonded to three electrodes made from a material that has a close Characteristics to the S42. The rotor is a ball made from steel material. The actuator working principles is based on creating micro elliptical motions of surface points, generated by superposition of longitudinal and bending vibration modes, of oscillating structures. Transferring this motion from flexible ring transducer through the three electrodes, to the attached rotor, create 3D motions. The actuator Design, structures, working principles and finite element analysis are discussed in this paper. A prototype of the actuator was fabricated and its characteristics measured. Experimental tests showed the ability of the developed prototype to provide multidegree of freedom with typical speed of movement equal to 35 rpm, a resolution of less than 5μm and maximum load of 3.5 Newton. These characteristics illustrated the potential of the developed smart actuator, to gear the spotlight angle of digital visual data capture transducers and possible improvement that such microactuator technology could bring to the unmanned vehicle guidance and machine vision industrial applications.
    Citation
    Shafik, M. et al. (2015) 'A smart 3D ultrasonic actuator for unmanned vehicle guidance industrial applications', Proceedings of the 11th International Conference on Intelligent Unmanned Systems (ICIUS), vol. 11, Bali, Indonesia, 26-29 August
    Publisher
    UNSYS Digital
    Journal
    Proceedings of the 11th International Conference on Intelligent Unmanned Systems (ICIUS)
    URI
    http://hdl.handle.net/10545/620897
    DOI
    10.21535%2FProICIUS.2015.v11.652
    Additional Links
    http://ojs.unsysdigital.com/index.php/icius/article/view/652
    http://ojs.unsysdigital.com/index.php/icius/issue/view/27
    Type
    Meetings and Proceedings
    Language
    en
    ISSN
    2508-4127
    ae974a485f413a2113503eed53cd6c53
    10.21535%2FProICIUS.2015.v11.652
    Scopus Count
    Collections
    Department of Electronics, Computing & Maths

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