适应式传感器对分布式参数系统的容错控制
IEEE transactions on cybernetics
|February 18, 2026
概括
传感器漂移会降低控制器的性能. 本研究介绍了一种主动的容错控制策略,使用自适应观察员和联合估计器来检测和纠正分布式参数系统中的传感器漂移,确保稳定性.
科学领域:
- 控制工程 控制工程 控制工程
- 系统动力学系统动力学
- 检测和诊断故障的检测和诊断
背景情况:
- 传感器漂移,测量的逐渐偏差,可能导致控制器故障和系统不稳定.
- 分布式参数系统容易受到传感器漂移的影响,影响其性能和可靠性.
研究的目的:
- 为分布式参数系统制定主动的耐故障控制策略.
- 准确检测和补偿传感器漂移,以保持系统稳定性和性能.
主要方法:
- 开发了一个时间变化的时空模型来表示系统动态.
- 一个基于观察者的自适应探测器被设计用于精确的时间和空间故障定位.
- 实现了联合状态和故障估计器,以准确重建故障概况,即使使用状态和故障合.
主要成果:
- 拟议的战略有效地确定了传感器漂移的位置和配置.
- 根据估计结果实施实时控制器校正.
- 实验验证证明了控制器在两个故障场景中的有效性.
结论:
- 开发的容错控制策略成功地解决了分布式参数系统中的传感器漂移问题.
- 这种方法确保了系统稳定性和在故障条件下强大的性能.
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