Introduction to State Estimation of High-Rate System Dynamics.

Introduction to State Estimation of High-Rate System Dynamics.
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DOI:
10.3390/s18010217
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发表时间:
2018-01-13
期刊:
Sensors (Basel, Switzerland)
影响因子:
--
通讯作者:
Joyce B
Joyce B
中科院分区:
其他
文献类型:
--
作者:
Hong J;Laflamme S;Dodson J;Joyce B

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经历高速动态事件的工程系统,包括安全气囊、碎片探测和主动爆炸防护系统,可以从实时可观测性中受益,从而提高性能。然而,高速率状态估计的任务是具有挑战性的,特别是对于实时应用,其中观测器的收敛速率需要在微秒范围内。本文指出了高速率系统状态估计的挑战,并讨论了高速率系统的基本特征。对具有对经历高度动态事件的复杂系统进行精确估计的潜力的估计器的应用和方法进行了调查。适应性观察者在本研究中具有重要意义。特别是,自适应数据驱动的观测器由于其适应性和对系统模型的依赖性较低而具有优势。
Engineering systems experiencing high-rate dynamic events, including airbags, debris detection, and active blast protection systems, could benefit from real-time observability for enhanced performance. However, the task of high-rate state estimation is challenging, in particular for real-time applications where the rate of the observer’s convergence needs to be in the microsecond range. This paper identifies the challenges of state estimation of high-rate systems and discusses the fundamental characteristics of high-rate systems. A survey of applications and methods for estimators that have the potential to produce accurate estimations for a complex system experiencing highly dynamic events is presented. It is argued that adaptive observers are important to this research. In particular, adaptive data-driven observers are advantageous due to their adaptability and lack of dependence on the system model.
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