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  1. No Access

    Article

    Dynamic modeling and experiment of a new type of parallel servo press considering gravity counterbalance

    The large capacity servo press is traditionally realized by means of redundant actuation, however there exist the over-constraint problem and interference among actuators, which increases the control difficult...

    Jun He, Feng Gao, Yongjun Bai, Shengfu Wu in Chinese Journal of Mechanical Engineering (2013)

  2. No Access

    Article

    Performance analytical study of the dual screws actuation mechanism

    This paper presents a dual screw actuation mechanism (DSAM) wherein two screws actuate the common sliding platform by connecting two screw nuts with a gear pair. Two dimensionless parameters, namely, the gear ...

    Yongjun Bai, Feng Gao, Weizhong Guo, Yi Yue in Journal of Mechanical Science and Technology (2012)

  3. No Access

    Article

    Design of mechanical presses driven by multi-servomotor

    This paper proposes a so-called multi-servomotor parallel driven scheme to construct high capacity mechanical presses. The design method is based on the combination of dual screw actuation unit, parallel mecha...

    Yongjun Bai, Feng Gao, Weizhong Guo in Journal of Mechanical Science and Technology (2011)

  4. No Access

    Chapter and Conference Paper

    Designing Domain Work Breakdown Structure (DWBS) Using Neural Networks

    Work breakdown structures are the basis of project management. But there are few researches on the methods or tools to design work breakdown structures effectively. In this paper, a framework which employs neu...

    Yongjun Bai, Yong Zhao, Yang Chen, Lu Chen in Advances in Neural Networks – ISNN 2009 (2009)