Kinematic Synthesis of Deployable-Foldable Truss Structures Using Graph Theory, Part 2: Generation of Deployable Truss Module Design Concepts

Author:

Warnaar D. B.1,Chew M.2

Affiliation:

1. Lockheed Engineering & Sciences Co., Hampton, VA

2. Lehigh University, Bethlehem, PA

Abstract

A special type of truss structures, called truss modules, is presented. Graphs of this class of structures form a subset of the graphs that are generated using the approach presented in Part 1. Two procedures are presented that are applied to recognize these graphs among graphs of truss structures. The procedures also generate information on the relative lengths of the links in a truss module by examining the graph it represents. This enables the generation of numerous novel (deployable) truss modules as well as those that have been reported in the literature. Promising alternatives to existing designs are identified.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Reference22 articles.

1. Crawford, R. F., 1971, “Strength and Efficiency of Deployable Booms for Space Applications,” AAS/AIAA Variable Geometry and Expandable Structures Conference, Anaheim, CA, April, AIAA Paper No. 71-396.

2. Hedgepeth, J. M., and Mikulas, M. M., “Expandable Modules for Large Space Structures,” AIAA/NASA Conference on Advanced Technology for Future Space Systems, Hampton, Virginia, May, pp. 375–379.

3. Bush, H. G., Heard, W. L., Walz, J. E., and Rehder, J. J., 1980, “Deployable and Erectable Concepts for Large Spacecraft,” 39th Annual Conference of the Society of Allied Weight Engineers, Inc., St. Louis, Missouri, May, SAWE Paper No. 1374, Index Category No. 18.

4. Bush, H. G., and Heard, W. L., 1980, “Recent Advances in Structural Technology for Large Deployable and Erectable Spacecraft,” 31st International Astronuatical Congress, Tokyo, September.

5. Vaughan, D. H., 1981, “Modular Reflector Concept Study,” NASA Contractor Report 3411, March.

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