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Updated: Sep 9, 2025

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
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Published on: October 28, 2022

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网络物理系统的分布式故障检测与电力网络系统的应用

Limei Liang, Shuai Liu, Maiying Zhong

    IEEE transactions on cybernetics
    |August 28, 2025
    PubMed
    概括

    本研究引入了使用分布式卡尔曼波器 (DKF) 的网络物理系统 (CPS) 分布故障检测方法. 这种方法可以在具有本地邻居通信的子系统中进行可靠的故障检测.

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    相关概念视频

    Zones of Protection01:16

    Zones of Protection

    In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
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    Power System Three-Phase Short Circuits01:21

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    Distribution Reliability and Automation

    Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
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    Fault Types01:18

    Fault Types

    When analyzing a single line-to-ground fault from phase A to ground at a three-phase bus, it is important to consider the fault impedance. This impedance is zero for a bolted fault, equal to the arc impedance for an arcing fault, and represents the total fault impedance for a transmission-line insulator flashover. To derive sequence and phase currents, fault conditions are translated from the phase domain to the sequence domain.
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    Bus Impedance Matrix01:24

    Bus Impedance Matrix

    Calculating subtransient fault currents for three-phase faults in an N-bus power system involves using the positive-sequence network. When a three-phase short circuit occurs at a specific bus, the analysis uses the superposition method to evaluate two separate circuits.
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    Line Protection with Impedance Relays01:27

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