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.
YANG Lili (杨丽丽), WANG Deyu (王德禹)
. Multi-Objective Optimization of Torsion Springs for Solar Array Deployment[J]. Journal of Shanghai Jiaotong University(Science), 2018
, 23(4)
: 465
.
DOI: 10.1007/s12204-018-1969-y
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