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A Method of Stiffness Analysis of Parallel Mechanisms

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Intelligent Robotics and Applications (ICIRA 2009)

Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 5928))

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Abstract

This paper presents a method, called Parameter-Separation Method, for stiffness analysis of parallel mechanisms. By treating the effect of different parameters (i.e. external force and torque, translational and rotational displacement) separately, the method produces 4 criteria of stiffness analysis. A further method based on the first method is proposed when we conduct stiffness analysis on some parallel mechanisms whose inputs are of the same unit. It applies a special way to formulate dimensionally homogeneous Jacobian matrix with consideration of the input need, and comes up with 2 criteria to judge the stiffness of parallel mechanisms. These two methods are explained in detail, and their effects and relationship are demonstrated by stiffness analysis of a 4RRR redundantly actuated parallel mechanism.

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References

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Author information

Authors and Affiliations

  1. Institute of Manufacturing Engineering, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing, 100084, China

    Boqiang Xu, Tiemin Li & Jun Wu

Authors
  1. Boqiang Xu
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  2. Tiemin Li
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  3. Jun Wu
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Editor information

Editors and Affiliations

  1. School of Mechanical and Aerospace Engineering, Nanyang Technological University, 639798, Singapore

    Ming Xie

  2. School of Mechanical Science and Engineering, Huazhong University of Science and Technology, 430074, Wuhan, P. R. China

    Youlun Xiong

  3. School of Mechanical Science and Engineering, Huazhong University of Science and Technology, 430074, Wuhan, P.R. China

    Caihua Xiong

  4. Institute of Industrial Research, University of Portsmouth, PO1 3QL, Portsmouth, UK

    Honghai Liu

  5. Department of Computer Science and Electrical Engineering, Kumamoto University, 860-8555, Kumamoto, Japan

    Zhencheng Hu

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© 2009 Springer-Verlag Berlin Heidelberg

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Xu, B., Li, T., Wu, J. (2009). A Method of Stiffness Analysis of Parallel Mechanisms. In: Xie, M., Xiong, Y., Xiong, C., Liu, H., Hu, Z. (eds) Intelligent Robotics and Applications. ICIRA 2009. Lecture Notes in Computer Science(), vol 5928. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-10817-4_56

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  • DOI: https://doi.org/10.1007/978-3-642-10817-4_56

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-10816-7

  • Online ISBN: 978-3-642-10817-4

  • eBook Packages: Computer ScienceComputer Science (R0)

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