采用强大的非线性MPPT控制器的CubeSat电力子系统的功率调节单元的建模和设计
Muhammad Noman1, Usman Ali Afzal1, Iftikhar Ahmad1
1School of Electrical Engineering and Computer Science, National University of Sciences and Technology (NUST), Islamabad, Pakistan.
ISA transactions
|March 5, 2025
概括
这项研究比较了CubeSat太阳能发电系统的三个最大功率点跟踪 (MPPT) 算法. 超级扭转滑动模式控制 (ST-SMC) 展示了卓越的动态性能和可靠性,用于增强太阳能收集.
科学领域:
- 电气工程 电气工程
- 航空航天工程 航空航天工程
- 可再生能源系统可再生能源系统
背景情况:
- 立方卫星依靠高效的太阳能发电来实现任务的成功.
- 在不同的环境条件下,从双轴太阳能电池板管理电力是具有挑战性的.
- 优化太阳能提取需要先进的最大功率点跟踪 (MPPT) 技术.
研究的目的:
- 评估和比较MPPT的协同控制,滑动模式控制 (SMC) 和超扭转滑动模式控制 (ST-SMC) 在双轴CubeSat太阳能系统中的性能.
- 在各种操作条件下确定最强大,最动态的MPPT算法.
- 通过利亚普诺夫稳定性标准验证系统稳定性.
主要方法:
- 为X轴和Y轴的太阳能电池板采用两种非反转式buck-boost转换器的实施.
- 整合来自两个轴的功率到一个共同的直流总线.
- 对MPPT的协同控制,SMC和ST-SMC算法的应用和比较分析.
- 使用利亚普诺夫稳定性标准验证系统稳定性.
主要成果:
- 超扭转滑动模式控制 (ST-SMC) 算法表现出最好的动态性能.
- ST-SMC在温度变化,辐射和负载干扰方面表现出卓越的稳定性.
- 所有实施的控制算法都成功地为直流总线调节了功率.
结论:
- ST-SMC是拟议的双轴CubeSat太阳能发电系统的最佳MPPT控制策略.
- 系统的稳定性得到确认,确保在动态条件下可靠的功率调节.
- 这些发现有助于开发更高效,更有弹性的立方卫星电力系统.
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