在未知空间物体的光学跟踪中,PID增益优化的持久度加权性能指标
Chul Hyun1, Donggeon Kim1, Hyunseung Kim1
1LIG Nex1, Seongnam-si 13488, Republic of Korea.
Sensors (Basel, Switzerland)
|November 13, 2025
概括
一个新的持久加权追踪指数 (PWTI) 改进了空间物体的光学追踪. 这一指标增强了控制器调整,以提高识别未知目标的准确性和一致性.
科学领域:
- 太空监视和跟踪 太空监视和跟踪
- 光学系统工程 光学系统工程
- 控制系统理论 控制系统理论
背景情况:
- 对未知的空间物体进行精确的光学跟踪对于使用狭窄视野传感器进行识别至关重要.
- 现有的性能指标,如RMS错误和持久时间 (PT),为控制器调整提供不完整的评估.
- 成功的光学识别需要高空间精度和跟踪时间稳定性.
研究的目的:
- 引入一种新的复合度量,即持久度加权跟踪指数 (PWTI),用于评估光学跟踪性能.
- 将空间精度和细分级连续性整合到一个单一的,全面的绩效衡量标准中.
- 使用PWTI优化控制器参数,以增强对未列表目标的跟踪.
主要方法:
- 通过结合位置错误和细分连续性,开发了持久度加权跟踪指数 (PWTI).
- 使用遗传算法 (GA) 来调整比例整合导数 (PID) 控制器的收益,将PWTI作为优化目标.
- 在各种观察场景中进行了比较模拟,以评估调整方法的有效性.
主要成果:
- 与基于RMS错误和基于PT的方法相比,基于PWTI的控制器调整显示出更高的性能.
- 拟议的指标导致了更好的对齐精度和跟踪一致性.
- 模拟证实了PWTI在涉及未知或未分类空间物体的场景中的有效性.
结论:
- 持久度加权追踪指数 (PWTI) 是一个更适合的性能指标,用于光学识别任务.
- PWTI有效地平衡了空间精度和时间连续性,以实现可靠的空间物体跟踪.
- 这种方法提高了在太空中识别和描述未知的目标的能力.
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