NSTL国家科技图书文献中心

1. Impact of Grid-Forming-Based PV on SSTI Stability of PV-Thermal-Bundled System Transmitted by LCC-HVDC NSTL国家科技图书文献中心

Chunyi Guo | Jiaqing Zhang - 《IEEE Transactions on Power Delivery》 - 2025,40(1) - 152～165 - 共14页

摘要：In the renewable energy farms (REFs) and thermal power bundling transmission system via the line commutated converter based high voltage direct current (LCC-HVDC), there may exist the risk of sub-sync...

关键词： Thermal stability | Damping | Power system stability | Mathematical models | Grid forming | Renewable energy sources | HVDC transmission | Stability criteria | Grid following | Wind farms

2. MLR-NET: An Arbitrary Skew Angle Detection Algorithm for Complex Layout Document Images NSTL国家科技图书文献中心

Peisen Wang | Bo Wang ... - 《Pattern Recognition and Computer Vision,Part VII》 - Chinese Conference on Pattern Recognition and Computer Vision - 2025, - 246～260 - 共15页

摘要：To avoid applying intelligent document processing techniques that are sensitive to the image with skew angle. Scanned and processed digitized document images with complex layouts (CLDImge) must be tra...

关键词： Complex layout document images | Skew angle detection | Multiple linear regression | Deep learning

3. DAMS: Document Image Steganography with Dual Attention Multi-scale Encoder-Decoder Architecture NSTL国家科技图书文献中心

Kaijiang Li | Yi Qin ... - 《Pattern Recognition and Computer Vision,Part II》 - Chinese Conference on Pattern Recognition and Computer Vision - 2025, - 118～131 - 共14页

摘要：In the research field of steganography, advances in deep learning techniques have significantly improved the ability to embed secret messages into scene images. However, for document images with signi...

关键词： Steganography | Document image | Channel attention | Transformer | Multi-scale feature fusion

4. Novel Thyristor-Based Module-Cascaded Converter to Eliminate Commutation Failure for LCC-HVDC Application NSTL国家科技图书文献中心

Chunyi Guo | Chenwei Zhao - 《IEEE Transactions on Power Delivery》 - 2024,39(6) - 3492～3502 - 共11页

摘要：To eliminate commutation failure (CF) of line-commutated converter based high voltage direct current (LCC-HVDC) transmission system, this paper proposes a thyristor-based module-cascaded converter (TM...

关键词： Capacitors | Thyristors | Voltage control | Topology | Valves | Firing | HVDC transmission | Arresters | Stress measurement | Inverters

5. A Frequency Estimation-Based Adaptive Mitigation Approach for High-Frequency Oscillation in MMC-HVDC System NSTL国家科技图书文献中心

Chunyi Guo | Dongye Du ... - 《IEEE Transactions on Power Systems: A Publication of the Power Engineering Society》 - 2024,39(4) - 5509～5521 - 共13页

摘要：To suppress the high-frequency oscillations (HFOs) in Modular Multilevel Converter based High Voltage Direct Current (MMC-HVDC) transmission system, this article proposes a frequency estimation-based ...

关键词： Hafnium oxide | Oscillators | Power harmonic filters | Frequency estimation | Damping | Passive filters | Notch filters

6. An Improved LCC Model Considering Dynamic Behavior of Thyristor During Turn-Off Period and Its Impact on Commutation Failure Identification NSTL国家科技图书文献中心

Chunyi Guo | Fan Jiang ... - 《IEEE Transactions on Power Delivery》 - 2024,39(5) - 2653～2665 - 共13页

摘要：Current studies on commutation failure (CF) often remain a fixed critical extinction time for the blocking recovery of thyristor, ignoring the dynamic behavior of thyristor during turn-off period unde...

关键词： Thyristors | Circuit faults | Power system dynamics | Mathematical models | Junctions | Fault diagnosis | Valves | Failure analysis | Telecommunication network reliability | HVDC transmission

7. Applicability Evaluation of Wind Farm Impedance Models Using Different Aggregation Methods for High Frequency Oscillation Analysis NSTL国家科技图书文献中心

Chunyi Guo | Fanxin Gan ... - 《IEEE Transactions on Power Delivery》 - 2024,39(4) - 2231～2241 - 共11页

摘要：The aggregated impedance model is widely used for the study of high frequency oscillations (HFOs) in wind farms (WFs). However, the application premise of the aggregated impedance models using differe...

关键词： Impedance | Hafnium oxide | Analytical models | Transformers | High frequency | Oscillators | Inductance

8. DFT-3DLaneNet: Dual-Frequency Domain Enhanced Transformer for 3D Lane Detection NSTL国家科技图书文献中心

Kaijiang Li | Yuling Liu ... - 《Advanced Intelligent Computing Technology and Applications: 20th International Conference, ICIC 2024, Tianjin, China, August 5-8, 2024, Proceedings, Part III》 - International Conference on Intelligent Computing - 2024, - 215～227 - 共13页

摘要：In autonomous driving, 3D lane detection using a monocular camera presents significant challenges. In complex driving environments, spatial-domain image features may have certain limitations. To addre...

关键词： Autonomous driving | Monocular 3D lane detection | Low-pass filtering | High-pass filtering | Deformable attention

9. Optimal Initialization and Starting Approach of Synchronous Condenser Integrated Power Grid NSTL国家科技图书文献中心

Puyu Wang | Xing Liu ... - 《CSEE journal of power and energy systems》 - 2024,10(1) - 248～260 - 共13页

摘要：Synchronous condensers (SCs) are generally used at the receiving-end stations of ultra-high-voltage direct current (UHVDC) transmission systems due to their strong reactive power support and flexible ...

关键词： Reactive power | Integrated circuit interconnections | Synchronization | Power system dynamics | Power system stability | Frequency synchronization | Frequency conversion

10. A Supplementary Damping Control for MMC-HVDC System to Mitigate the Low-Frequency Oscillation Under Low Inertia Condition EI 工程索引 NSTL国家科技图书文献中心

Chunyi Guo | Liqing Xu ... - 《IEEE Transactions on Power Delivery》 - 2023,38(1) - 287～298 - 共12页 - 被引量：13

摘要：With the increasing penetration of renewable energy, the inertia of AC system gradually decreases. When modular multilevel converter (MMC) based high voltage DC transmission (HVDC) system is connected...

摘要：In the renewable energy farms (REFs) and thermal power bundling transmission system via the line commutated converter based high voltage direct current (LCC-HVDC), there may exist the risk of sub-sync...

关键词： Thermal stability | Damping | Power system stability | Mathematical models | Grid forming | Renewable energy sources | HVDC transmission | Stability criteria | Grid following | Wind farms

摘要：To avoid applying intelligent document processing techniques that are sensitive to the image with skew angle. Scanned and processed digitized document images with complex layouts (CLDImge) must be tra...

关键词： Complex layout document images | Skew angle detection | Multiple linear regression | Deep learning

摘要：In the research field of steganography, advances in deep learning techniques have significantly improved the ability to embed secret messages into scene images. However, for document images with signi...

关键词： Steganography | Document image | Channel attention | Transformer | Multi-scale feature fusion

摘要：To eliminate commutation failure (CF) of line-commutated converter based high voltage direct current (LCC-HVDC) transmission system, this paper proposes a thyristor-based module-cascaded converter (TM...

关键词： Capacitors | Thyristors | Voltage control | Topology | Valves | Firing | HVDC transmission | Arresters | Stress measurement | Inverters

摘要：To suppress the high-frequency oscillations (HFOs) in Modular Multilevel Converter based High Voltage Direct Current (MMC-HVDC) transmission system, this article proposes a frequency estimation-based ...

关键词： Hafnium oxide | Oscillators | Power harmonic filters | Frequency estimation | Damping | Passive filters | Notch filters

摘要：Current studies on commutation failure (CF) often remain a fixed critical extinction time for the blocking recovery of thyristor, ignoring the dynamic behavior of thyristor during turn-off period unde...

关键词： Thyristors | Circuit faults | Power system dynamics | Mathematical models | Junctions | Fault diagnosis | Valves | Failure analysis | Telecommunication network reliability | HVDC transmission

摘要：The aggregated impedance model is widely used for the study of high frequency oscillations (HFOs) in wind farms (WFs). However, the application premise of the aggregated impedance models using differe...

关键词： Impedance | Hafnium oxide | Analytical models | Transformers | High frequency | Oscillators | Inductance

摘要：In autonomous driving, 3D lane detection using a monocular camera presents significant challenges. In complex driving environments, spatial-domain image features may have certain limitations. To addre...

关键词： Autonomous driving | Monocular 3D lane detection | Low-pass filtering | High-pass filtering | Deformable attention

摘要：Synchronous condensers (SCs) are generally used at the receiving-end stations of ultra-high-voltage direct current (UHVDC) transmission systems due to their strong reactive power support and flexible ...

关键词： Reactive power | Integrated circuit interconnections | Synchronization | Power system dynamics | Power system stability | Frequency synchronization | Frequency conversion

摘要：With the increasing penetration of renewable energy, the inertia of AC system gradually decreases. When modular multilevel converter (MMC) based high voltage DC transmission (HVDC) system is connected...

关键词： Oscillators | Damping | Voltage control | Power system stability | Voltage measurement | Phase locked loops | Windings

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