Keith Allen Corzine

STFT Cluster Analysis for DC Pulsed Load Monitoring and Fault Detection on Naval Shipboard Power Systems

IEEE Transactions on Transportation Electrification · 2020 · 92 citations

Current trends in Naval shipboard power system architecture indicate that the electrification of future warships is inevitable, and it will be equipped with loads that draw periodic pulsed currents from the dc microgrid or have large transients while switching state. In order to monitor the operation of those loads, solely time-based features are not enough as they do not provide sufficiently unique information to differentiate various transient stages of the load profile. The focus of more rece…

DC Fault Detection and Pulsed Load Monitoring Using Wavelet Transform-Fed LSTM Autoencoders

IEEE Journal of Emerging and Selected Topics in Power Electronics · 2020 · 49 citations

The extensive deployment of power electronics loads in naval ship power systems indicates the ship electrification is inevitable in future trends. Next-generation warships require high-power density weapons drawing pulse power from the dc grid. A particularly concerning issue is that these pulse loads draw large currents in short periods of time, similar to fault behavior, and maybe indiscernible from a fault. This article proposed a novel machine learning-based algorithm—long short-term memory…

Wavelet Transform Data-Driven Machine Learning-Based Real-Time Fault Detection for Naval DC Pulsating Loads

IEEE Transactions on Transportation Electrification · 2021-11-23 · 23 citations

All-electric warships require high power-dense distribution system to power advanced weapon loads. Medium voltage dc (MVDC) power distribution is well suited to fulfill this requirement if certain risks are addressed. A particularly emerging problem is that the advanced pulsating loads draw large currents in extremely short periods of time and behave similarly to the shunt fault. The nature of the load and the operating cycle determines the unique structure of the pulse in time and frequency dom…

Pulsed-Power Load Monitoring for an All-Electric Ship: Utilizing the Fourier Transform Data-Driven Deep Learning Approach

IEEE Electrification Magazine · 2021 · 20 citations

Future Naval Advanced Weapon and sensor loads require high power density power electronic distribution systems (PEDs) to be viable. The mission-defined electronic loads, such as advanced radar and pulsed-power weapons, tend to have an irregular power draw, consume a significant amount of power, and would require significant additional generation equipment well beyond the existing power system. A legacy low-voltage ac power grid on a destroyer is already at capacity and because space is at a prem…

A Double Rotor Flux Switching Machine With HTS Field Coils for All Electric Aircraft Applications

IEEE Transactions on Applied Superconductivity · 2023-04-21 · 13 citations

The increasing demand for high-power density motors in electric transport industries opens a new research opportunity to develop motor topologies with less weight and high efficiency. In particular, all-electric aircraft applications require very high power density motors. This paper shows the design of a new 1 MW 20-pole/15-slot double rotor flux switching machine with high-temperature superconducting field coils and thermal management system. The proposed motor features an air-core stator. Alu…