UNSUPERVISED PROBABILISTIC ANOMALY DETECTION OVER NOMINAL SUBSYSTEM EVENTS THROUGH A HIERARCHICAL VARIATIONAL AUTOENCODER

Autor: Alexandre Trilla, Nenad Mijatovic, Xavier Vilasis-Cardona

Publikováno v: International Journal of Prognostics and Health Management, Vol 14, Iss 1 (2023)

This work develops a versatile approach to discover anomalies in operational data for nominal (i.e., non-parametric) subsystem event signals using unsupervised Deep Learning techniques. Firstly, it builds a neural convolutional framework to extract

Externí odkaz: https://doaj.org/article/35f8862fde5a4492a7b6b92eede59e6b

Intelligent Secondary Control of Islanded AC Microgrids: A Brain Emotional Learning-Based Approach

Autor: Mohammad Sadegh Orfi Yeganeh, Arman Oshnoei, Nenad Mijatovic, Tomislav Dragicevic, Frede Blaabjerg

Publikováno v: Yeganeh, M S O, Oshnoei, A, Mijatovic, N, Dragicevic, T & Blaabjerg, F 2023, ' Intelligent Secondary Control of Islanded AC Microgrids: A Brain Emotional Learning-based Approach ', IEEE Transactions on Industrial Electronics, vol. 70, no. 7, pp. 6711-6723 . https://doi.org/10.1109/TIE.2022.3203677
Orfi Yeganeh, M S, Oshnoei, A, Mijatovic, N, Dragicevic, T & Blaabjerg, F 2023, ' Intelligent Secondary Control of Islanded AC Microgrids : A Brain Emotional Learning-Based Approach ', IEEE Transactions on Industrial Electronics, vol. 70, no. 7, 9884992, pp. 6711-6723 . https://doi.org/10.1109/TIE.2022.3203677
Yeganeh, M S O, Oshnoei, A, Mijatovic, N, Dragicevic, T & Blaabjerg, F 2022, ' Intelligent Secondary Control of Islanded AC Microgrids: A Brain Emotional Learning-based Approach ', IEEE Transactions on Industrial Electronics, vol. PP, no. 99, 9884992, pp. 1-12 . https://doi.org/10.1109/TIE.2022.3203677

This paper proposes a distributed intelligent secondary control (SC) approach based on brain emotional learning-based intelligent controller (BELBIC) for power electronic-based ac microgrid (MG). The BELBIC controller is able to learn quick-auto and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::831dcf0aa43bb42603514a544a04e665
https://doi.org/10.1109/tie.2022.3203677

Artificial Neural Network-Based Pole-Tracking Method for Online Stabilization Control of Grid-Tied VSC

Autor: Chen Zhang, Nenad Mijatovic, Xu Cai, Tomislav Dragicevic

Publikováno v: Zhang, C, Mijatovic, N, Cai, X & Dragicevic, T 2022, ' Artificial Neural Network-based Pole-tracking Method for Online Stabilization Control of Grid-tied VSC ', IEEE Transactions on Industrial Electronics, vol. 69, no. 12, pp. 13902-13909 . https://doi.org/10.1109/TIE.2021.3134079

To cope with the weak grid stability issue of grid-tied Voltage Source Converters (VSCs), this letter proposes an Artificial Neural Network (ANN)-based approach for online stabilization control of the grid-tied VSC with the pole-tracking feature. Fir

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52b233e85b4c174e989c59553b5ce351
https://doi.org/10.1109/tie.2021.3134079

Frequency Stability Assessment of Grid-Forming VSG in Framework of MPME With Feedforward Decoupling Control Strategy

Autor: Nenad Mijatovic, Chang Li, Tomislav Dragicevic, Yaqian Yang

Publikováno v: Li, C, Yang, Y, Mijatovic, N & Dragicevic, T 2022, ' Frequency Stability Assessment of Grid-forming VSG in Framework of MPME with Feedforward Decoupling Control Strategy ', IEEE Transactions on Industrial Electronics, vol. 69, no. 7, pp. 6903-6913 . https://doi.org/10.1109/TIE.2021.3099236

Virtual synchronous generator (VSG), recognized as a grid-friendly control technique, contributes to providing inertia and damping support from the grid-tied power electronic systems. However, similar to conventional synchronous generator (SG), the V

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ecc467579d4f152ca430cd24abe498bd
https://doi.org/10.1109/tie.2021.3099236

Artificial Neural Network Based Constrained Predictive Real-Time Parameter Adaptation Controller for Grid-Tied VSCs

Autor: Mohammad Mehdi Mardani, Radu Dan Lazar, Nenad Mijatovic, Tomislav Dragičević

Publikováno v: Mardani, M M, Lazar, R D, Mijatovic, N & Dragičević, T 2023, ' Artificial Neural Network Based Constrained Predictive Real-Time Parameter Adaptation Controller for Grid-Tied VSCs ', IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 11, no. 2, pp. 1507-1517 . https://doi.org/10.1109/JESTPE.2022.3214342

This paper proposes a real-time algorithm for identifying the grid parameters, which is concurrently used for online tuning of the predictive controller in each iteration, in a gridtied active front end (AFE) voltage source converter (VSC) applicatio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eff7e9b8cc3407d38c00e52f6b04f9a2
https://orbit.dtu.dk/en/publications/c7467a3d-a86e-40bd-85b8-e2de60ce33d3