Mr. Earl Hwang Profile

Earl Hwang

at The Boeing Co

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Proceedings Article | 19 May 2005 Paper

Seven-panel solar wing deployment and on-orbit maneuvering analyses

Earl Hwang

Proceedings Volume 5799, (2005) https://doi.org/10.1117/12.606224

KEYWORDS: Mathematical modeling, Solar cells, Mathematics, Space operations, Data modeling, Modulation, Solar energy, Electroluminescence, Complex systems, Systems modeling

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BSS developed a new generation high power (~20kW) solar array to meet the customer demands. The high power solar array had the north and south solar wings of which designs were identical. Each side of the solar wing consists of three main conventional solar panels and the four-side panel swing-out new design. The fully deployed solar array surface area is 966 ft2. It was a quite challenging task to define the solar array's optimum design parameters and deployment scheme for such a huge solar array's successful deployment and on-orbit maneuvering. Hence, a deployable seven-flex-panel solar wing nonlinear math model and a fully deployed solar array/bus-payload math model were developed with the Dynamic Analysis and Design System (DADS) program codes utilizing the inherited and empirical data. Performing extensive parametric analyses with the math model, the optimum design parameters and the orbit maneuvering /deployment schemes were determined to meet all the design requirements, and for the successful solar wing deployment on-orbit.

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