宾夕法尼亚州立大学心室辅助装置的能量损失

Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991 Pub Date : 1991-10-31 DOI:10.1109/IEMBS.1991.684906

M.A. Rawhouser, J. Gardner, D. Geselowitz

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引用次数: 0

摘要

本研究的目的是调查和量化宾夕法尼亚州立大学电子心室辅助装置(EVAD)的电子和机械损失，并改进EVAD的数学模型。先前对全电人工心脏(Electric Total Artificial Heart, TAH)的研究估计了该装置的功率分布[1]。这项研究包括对电机电子器件进行更详细的调查。结果表明，在每次冲程中，电子损耗约占传递给电机的能量的20%，而其他电机损耗又占总能量的55%。电枢有效电阻值与脉宽占空比有关。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Energy Losses In The Penn State Electric Ventricular Assist Device

The objective of this study was to investigate and quantify electronic and mechanical losses in the Penn State Electric Ventricular Assist Device (EVAD) and to improve the mathematical model of the EVAD. Previous studies of the Electric Total Artificial Heart (TAH) estimated power distribution in the device[l]. This study involved more detailed investigation of the motor electronics. Results show that elecrronic losses account for approximately 20% of the energy delivered to the motor during each stroke and that other motor losses account for another 55% of the total. The value of effective armature resistance was shown to be dependent on pulse width duty cycle.

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Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991

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