Multi-Objective Optimization of Torsion Springs for Solar Array Deployment

  • Lili Yang (杨丽丽)
  • Deyu Wang (王德禹)Email author


For solar array deployment, most existing studies mainly focus on modeling method of deployment dynamics, characteristics of hinges, and synchronization mechanisms. However, torsion springs, which work as the drive mechanisms, have hardly attracted people’s attention. In this study, the influence of the parameters of torsion springs on the deployment behavior of a solar array system with clearance joint is investigated by simulation experiments. The experimental results indicate that the deployment performances are very sensitive to the parameter values of the torsion spring. Suitable torsion springs are highly needed to improve the deployment dynamics of solar array system. Therefore, a multi-objective optimization method for the design of torsion springs is proposed. The objective of the optimization is to make the contact-impact force in revolute joint and the mass of the torsion spring minimum under the constraints of deployment time and structure strength. Finally, the effectiveness of the multi-objective optimization method is verified by an optimization example of solar array system.

Key words

solar array deployment torsion spring dynamic performances contact-impact force multi-objective optimization 

CLC number

V 414.19 

Document code


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Copyright information

© Shanghai Jiaotong University and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.State Key Laboratory of Ocean Engineering; Collaborative Innovation Center for Advanced Ship and Deep-Sea ExplorationShanghai Jiao Tong UniversityShanghaiChina

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