基于太空太阳能发电站系统的高精度双向光束指向测量方法
Xinyue Hou1, Xue Li1,2, Shun Zhao1
1School of Microelectronics and Communication Engineering, Chongqing University, Chongqing 400044, China.
Sensors (Basel, Switzerland)
|September 28, 2024
概括
本研究引入了一种新的双向光束指向测量方法,以提高太空太阳能发电站 (SSPS) 的无线能源传输效率. 该方法提高了指导和能量束的准确性,这对于有效向卫星传输能量束至关重要.
科学领域:
- 太空工程 太空工程
- 无线电力传输是无线电力传输.
- 光学计量学是指光学计量学.
背景情况:
- 太空太阳能发电站 (SSPS) 的无线能量传输效率受到光束控制精度的限制.
- 现有的方法忽略了天线偏差和调制错误等因素,降低了能量传输效率.
研究的目的:
- 提出一种创新的高精度双向光束定向测量方法.
- 通过提高SSPS的测量精度来提高光束定向控制精度.
主要方法:
- 采用干扰仪光度计,用于精确的导光束指向测量.
- 采用电力场重建来进行能量传输束偏移角度测量.
主要成果:
- 在动态条件下达到0.05°引导光束指向测量准确度,超过传统的0.1°.
- 为能量中心偏移距离提供比0.11m更好的测量精度.
- 为能量束偏移角度提供比0.012°更好的测量准确度.
结论:
- 拟议的双向测量方法显著提高了用于无线能量传输的光束定向精度.
- 这一进步为SSPS向卫星传输更高效,更可靠的功率传输提供了基础.
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