Design and control analysis of a deployable clustered hyperbolic paraboloid cable net

Shuo Ma, Kai Lu, Muhao Chen, Robert E. Skelton

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

This paper presents an analytical and experimental design and deployment control analysis of a hyperbolic paraboloid cable net based on clustering actuation strategies. First, the dynamics and statics for clustered tensegrity structures (CTS) are given. Then, we propose the topology design of the deployable hyperbolic paraboloid cable net. The deployability of the cable net is achieved by using clustered cables. It is shown that the clustered cables significantly reduce the number of actuators required for control. The deployment trajectory and actuation prestress in the cables are designed to ensure the tensions are feasible during the deployment process. Then, we compare the deployment analysis's open-loop and closed-loop control strategies. Finally, a lab-scale model is constructed to validate the actuation laws. We test the static performance and deployment process of the experimental model. Results show that the closed-loop control approach is more stable and smoother than the open-loop one in the deployment process. The approaches developed in this paper can also be used for various deployable tensegrity structures.

Original languageEnglish
Article number115569
JournalEngineering Structures
Volume279
DOIs
StatePublished - Mar 15 2023

Bibliographical note

Publisher Copyright:
© 2022 Elsevier Ltd

Keywords

  • Cable net
  • Clustered tensegrity
  • Deployable Structure
  • Integrating structure and control design
  • Nonlinear control

ASJC Scopus subject areas

  • Civil and Structural Engineering

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