Kinematic Characteristics Analysis of a Double-Ring Truss Deployable Antenna Mechanism

  • Bo Han
  • Yundou Xu
  • Jiantao Yao
  • Dong Zheng
  • Yongsheng ZhaoEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11743)


Deployable antenna is the key equipment of satellites and other spacecraft, it can realize the information transmission between the spacecraft and earth. In order to enrich the mechanism configurations of space deployable antenna, a double-ring truss deployable antenna mechanism is proposed in this paper, and it is decomposed into a plurality of mechanism units. Based on screw theory, degree of freedom (DOF) of the mechanism is analyzed, the result showed that it has only one DOF. Then, velocities of each component in the double-ring truss deployable mechanism unit are analyzed, their angular velocities and linear velocities were obtained. Finally, a three-dimensional model of this mechanism is established in Solidworks software, based on the three-dimensional model, numerical calculation and simulation verification are carried out, and simulation results verified the correctness of the theoretical analysis. The double-ring truss deployable mechanism proposed in this paper has a good application prospect in the field of aerospace, and the analysis method based on screw theory provides a good reference for other spatial deployable mechanisms.


Double-ring truss Deployable antenna Screw theory DOF Kinematics 



This research was co-supported by the National Natural Science Foundation of China (No. 51675458), the Key Project of Natural Science Foundation of Hebei Province of China (No. B2017203335) and the Youth Top Talent Project of Hebei Province Higher Education of China (No. BJ2017060).


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Bo Han
    • 1
  • Yundou Xu
    • 1
    • 2
  • Jiantao Yao
    • 1
    • 2
  • Dong Zheng
    • 1
  • Yongsheng Zhao
    • 1
    • 2
    Email author
  1. 1.Parallel Robot and Mechatronic System Laboratory of Hebei ProvinceYanshan UniversityQinhuangdaoChina
  2. 2.Key Laboratory of Advanced Forging & Stamping Technology and Science of Ministry of National EducationYanshan UniversityQinhuangdaoChina

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