• CN: 11-2187/TH
  • ISSN: 0577-6686

Journal of Mechanical Engineering ›› 2020, Vol. 56 ›› Issue (19): 14-27.doi: 10.3901/JME.2020.19.014

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State of the Art of Multi-mode Mechanisms

YU Jingjun1, LIU Kai1, KONG Xianwen2   

  1. 1. Robotics Institute, Beihang University, Beijing 100191;
    2. School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK
  • Received:2020-04-17 Revised:2020-06-18 Online:2020-10-05 Published:2020-11-17

Abstract: As an important branch of reconfigurable mechanisms, multi-mode mechanisms can switch their motion patterns using fewer actuators in less time and have great application potential in various fields. Although a series of design and analysis methods of multi-mode mechanisms have emerged in the past two decades, the research on multi-mode mechanisms is still challenging. According to the geometric characteristics of multi-mode mechanisms under different motion patterns, the transformations among motion patterns of multi-mode mechanisms are classified into three forms, including the utilization of joint axes, links and multi-mode units. The state of the art of multi-mode mechanisms in type synthesis, motion pattern analysis and applications are presented from the perspectives of methods and technologies. Prospects to the upcoming challenges and development trends of multi-mode mechanisms are discussed.

Key words: reconfigurable mechanism, multi-mode mechanism, type synthesis, motion pattern

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