Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"bad data detection"”.
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Assessment of Cyber Vulnerabilities and Countermeasures for GPS-Time Synchronized Measurements in Smart Grids
… real-world GPS-spoofing attack (GSA) and false data injection attack (FDIA) scenarios. Moreover, the testbed can incorporates cyberattack detection algorithm in pseudo real-time. After that, we propose three stealthy attack scenarios that exploit the vulnerabilities of time-synchronization for …
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Anomaly Detection for Control Centers
… by the control center dwell on the measurement data received from substations. These measurements estimate the state of the power grid. Measurement-based cyber attacks have been well studied to be a major threat to control center operations. Stealthy false data injection attacks are known to …
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Malicious data detection in state estimation leveraging system losses & estimation of perturbed parameters
… even in the presence of erroneous measurement data. Traditional bad data detection is designed to perform well against isolated random errors. Interacting bad measurements, such as malicious data injection attacks, may be difficult to detect. In this work, we analyze the sensitivities of …
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Synchrophasor-Only Dynamic State Estimation & Data Conditioning
… However, insuring the quality of the data stream which leaves the linear estimator is crucial to establishing it as the front end of an EMS system and network applications which employ synchrophasor data. This can be accomplished using a two-fold solution: the pre-processing of phasor …
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Synchronized Measurement of Machine Rotor Angle and Its Application
… be predicted accurately. This capability makes bad data detection and communication delay compensation possible.
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Optimal placement of phasor measurement units using the Advanced Matrix Manipulation algorithm
… begins with review of Supervisory Control and Data Acquisition systems (SCADA). SCADA-based systems are currently employed for condition monitoring and control of industrial and utility electrical power systems. For utility power networks, the main problem with voltage and current phasor data …
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Distributed Control, Optimization, and State Estimation for Renewable Power System
… State Estimation (DSE) algorithm. Then, the bad data detection and measurement accuracy improvement topics in state estimation are discussed. Then, based on the proposed DED algorithm and DSE algorithm, the Distributed Optimal Power Flow (DOPF) method is developed. Finally, the AC power flow …
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Data-enhanced applications for power systems analysis
As power system data becomes more abundant, there is an increasing need for applications which can make appropriate use of this data to perform power system analysis tasks. Data provides opportunities for performing event detection, diagnostics, and forensics on the system in a way which has not …