在旋转飞行场景中,为岛屿纳米卫星直流微电网增强电力共享和电压调节
Khalil Louassaa1,2, Josep M Guerrero1,2, Baseem Khan3
1School of Aeronautics and Astronautics, Zhejiang University, Hangzhou, 310027, Zhejiang, China.
Scientific reports
|August 19, 2025
概括
一个新的层次控制策略增强了小型卫星 (SmallSats) 的电力系统. 这种强大的方法可确保在动态空间条件下为立方卫星提供可靠的功率管理.
科学领域:
- 航空航天工程 航空航天工程
- 电气工程 电气工程
- 控制系统 控制系统
背景情况:
- 小卫星 (SmallSats),特别是立方卫星,对于地球观测和科学研究至关重要.
- 电力系统 (EPS) 对小卫星的可靠性至关重要,但面临着诸如尺寸限制和恶劣的空间环境等挑战.
- 强大的控制策略对于在动态运营条件下管理EPS至关重要.
研究的目的:
- 介绍岛屿纳米卫星微电网的层次控制方法.
- 解决小型卫星EPS设计的挑战,包括动态负载变化和环境极端情况.
- 提高纳米卫星电源管理的可靠性和效率.
主要方法:
- 开发了一个双层层次的层次控制架构.
- 一个比例积分 (PI) 控制器用于二次电压调节.
- 实现了一个非单元终端滑动模式 (NTSM) 控制器用于初级干扰排斥.
主要成果:
- 拟议的控制策略证明了对动态运行条件的稳健处理,包括负载变化和模式转换.
- 解架构将电源管理与本地调节分开,优化了计算效率.
- 在极端的热和辐射条件下,NTSM控制器提供了固有的稳定性,提高了环境稳定性.
结论:
- 层次控制框架为纳米卫星电源管理提供了一个实用的解决方案.
- 这种方法显著改善了短暂响应,减少了稳定状态误差,并增强了干扰排斥.
- 这种方法在动态空间条件下确保了SmallSats的系统可靠性和效率.
关键词:
恒定功率负载 (CPLs) 是指恒定的功率负载.一直流微电网 (MG) 是指直流微电网.纳米卫星 (NanoSat) 是一个非单元终端滑动模式 (NTSM) 控制主要控制器的主要控制器.相称-整体 (PI) 控制第二次控制是第二次控制.更多相关视频
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