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  1. No Access

    Article

    Analytical modeling and experimental validation of a butterfly-shaped piezoelectric composite transducer

    This paper presents an analytical model of a butterfly-shaped piezoelectric composite transducer. The vibration model of the transducer is firstly established based on the lateral and longitudinal deformations...

    Yuyang Lin, Yunlai Shi, Jun Zhang, Haichao Sun, Han Sun in Archive of Applied Mechanics (2022)

  2. No Access

    Article

    Novel linear piezoelectric motor for precision position stage

    Conventional servomotor and step** motor face challenges in nanometer positioning stages due to the complex structure, motion transformation mechanism, and slow dynamic response, especially directly driven b...

    Chao Chen, Yunlai Shi, Jun Zhang, Junshan Wang in Chinese Journal of Mechanical Engineering (2016)

  3. No Access

    Article

    Precision control system of two-DOF stage with linear ultrasonic motor

    Using an appropriate control method, linear ultrasonic motors can be used in applications requiring high position accuracy. In this paper, a closed loop PI control system is designed to achieve high position a...

    Hanlei Zhang, Yunlai Shi, Chunsheng Zhao in Frontiers of Mechanical Engineering in China (2008)