Robust Optimization in HTS Cable Based on DEPSO and Design for Six Sigma

Publisher:
IEEE
Publication Type:
Conference Proceeding
Citation:
Proceedings of the 43rd IEEE Industry Applications Society Annual Meeting, 2008, pp. 1 - 5
Issue Date:
2008-01
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The non-uniform AC current distribution among the multi-layer conductors in a high-temperature superconducting (HTS) cable reduces the current capacity and increases the AC loss. In this paper, Particle swarm optimization coupled with differential evolution operator (DEPSO) has been applied in structural optimization of HTS cables. While the existence of fluctuation in design variables or operation conditions has a great influence on the cable quality, in order to eliminate the effects of parameter perturbations in design and improve the design efficiency, a robust design method based on design for six sigma (DFSS) is applied in this paper. The optimization solutions show that the proposed optimization procedure can not only achieve a uniform current distribution, but also improve significantly the reliability and robustness of the HTS cable quality.
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