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Structural design and control strategy analysis of micro/nano transmission platform

Lookup NU author(s): Dr Dehong Huo


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A fully flexure micro/nano transmission platform (MNTP) which has five degrees of freedom is designed on the basis of bridge type amplification mechanism. According to the kinematic theory and the elastic beam theory, the theoretical output displacement equation of the platform is derived, and then piezoelectric actuator (PZT) is calibrated. Meanwhile, a full closed-loop control strategy of the platform is established using the feedforward proportional-integral-derivative (PID) compound control algorithm based on the Preisach model. Moreover, the total transfer function of the micro positioning system is derived, and the calculation method of output signal is acquired. Finally, the theoretical output displacement is verified by finite element analysis (FEA) and positioning experiments. ©, 2014, Nanjing University of Aeronautics an Astronautics. All right reserved.

Publication metadata

Author(s): Lin C, Ji J, Tao Y, Huo D, Cai L, Cheng K

Publication type: Article

Publication status: Published

Journal: Transactions of Nanjing University of Aeronautics and Astronautics

Year: 2015

Volume: 31

Issue: 5

Pages: 484-491

Print publication date: 01/10/2014

Acceptance date: 02/06/2014

ISSN (print): 1005-1120

Publisher: Nanjing University of Aeronautics an Astronautics