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Yifan Cui,Zhe Jiang,Yu Zhou,Qiang Wang,Man Zhou,Ping Wang,Yuanyuan Yu 한국섬유공학회 2022 Fibers and polymers Vol.23 No.6
Conductive polyester non-woven fabric was prepared using horseradish peroxidase (HRP) catalytic agent, 3,4-ethylenedioxythiophene monomer and poly(p-styrenesulfonic acid) dopant. The electrical resistance of the preparedconductive polyester non-woven fabric was reduced to 1.3×104 Ω from 1014 Ω of the raw polyester non-woven fabric becauseof the addition of poly(3,4-ethylenedioxythiophene) the conductivity of conductive polyester non-woven fabric decreased byabout 60 % after 300 bending cycles. Notably, the temperature of the conductive polyester non-woven fabric increased by73.1 °C after 150 s of light irradiation from a lamp source, while that of the raw polyester non-woven fabric increased by only19.4 °C under the same conditions.
A Study on the Impact of Modern Technological Development on the Form of Music Concerts
Yifan Cui,Xinyi Shan,정진헌 한국인터넷방송통신학회 2023 International Journal of Internet, Broadcasting an Vol.15 No.3
In the era of continuous progress, concerts have emerged as a significant medium for music performance, providing audiences with both musical enjoyment and a means of relaxation. The study examines pivotal moments and milestones in concert history, highlighting the emergence of novel elements such as visual presentations, integration of multimedia, virtual reality experiences, and metaverse concerts. By scrutinizing the repercussions of these changes on the concert experience, the study sheds light on the transformative influence of technology on concert formats, audience engagement, and artistic expression. Moreover, it delves into the challenges and opportunities arising from technological advancements in the contemporary concert landscape. The insights gained from this research contribute to a comprehensive comprehension of the dynamic interplay between technology and concert forms, thereby laying the foundation for future scholarly discourse and advancements within the field.
A Feasibility Study on RUNWAY GEN-2 for Generating Realistic Style Images
Yifan Cui,Xinyi Shan,정진헌 한국인터넷방송통신학회 2024 International Journal of Internet, Broadcasting an Vol.16 No.1
Runway released an updated version, Gen-2, in March 2023, which introduced new features that are different from Gen-1: it can convert text and images into videos, or convert text and images together into video images based on text instructions. This update will be officially open to the public in June 2023, so more people can enjoy and use their creativity. With this new feature, users can easily transform text and images into impressive video creations. However, as with all new technologies, comes the instability of AI, which also affects the results generated by Runway. This article verifies the feasibility of using Runway to generate the desired video from several aspects through personal practice. In practice, I discovered Runway generation problems and propose improvement methods to find ways to improve the accuracy of Runway generation. And found that although the instability of AI is a factor that needs attention, through careful adjustment and testing, users can still make full use of this feature and create stunning video works. This update marks the beginning of a more innovative and diverse future for the digital creative field.
Yawei Wu,Yifan Cui,Ronggang Ni,Shuxin Nie,Xinzhen Wu 전력전자학회 2019 ICPE(ISPE)논문집 Vol.2019 No.5
The performance of the initial rotor position detection of Permanent Magnet Synchronous Machines (PMSMs) at standstill depends much on the position observer. In this paper, the Extended State Observer (ESO) is compared with the traditional Proportional Integration (PI) observer adopting the rotating high frequency voltage injection algorithm, and the observer parameter design method is derived based on the bandwidth analysis of the close-loop transfer function. Experiments are carried out on a 3 kW PMSM prototype for verifications.
Finite-time Secondary Frequency Modulation of Microgrid Based on Event Triggering Mechanism
Chenglong Zhou,Ze Li,Guozeng Cui,Yifan Chen,Wangjun Hao 제어·로봇·시스템학회 2024 International Journal of Control, Automation, and Vol.22 No.4
This paper designs a ratio consistency algorithm based on event triggering mechanism aiming at the frequency recovery deviation caused by traditional droop control in microgrid. It achieves secondary frequency modulation in microgrid by adjusting the active power setting value. The max-min consistency algorithm is proposed to realize asymptotic consistency of distributed power supply in a finite time. Communication delay is added to ensure the accuracy of frequency update and verifies the robustness of the algorithm against itself. Meanwhile, the validity of event triggering conditions is verified. Finally, the simulation examples are carried out to prove the correctness and superiority of the proposed finite-time control strategy.