1,1,1,3,3,3-Hexafluoro-2-Propanol-Promoted Friedel–Crafts Reaction: Metal-Free Synthesis of C3-Difluoromethyl Carbinol-Containing Imidazo[1,2-a]pyridines at Room Temperature

Autor: Juanjuan Gao, Zhaowen Liu, Xiaohua Guo, Longhui Wu, Zhixi Chen, Kai Yang

Publikováno v: Molecules, Vol 28, Iss 22, p 7522 (2023)

A facile and efficient method has been developed for the synthesis of C3-difluoromethyl carbinol-containing imidazo[1,2-a]pyridines at room temperature via the HFIP-promoted Friedel–Crafts reaction of difluoroacetaldehyde ethyl hemiacetal and imida

Externí odkaz: https://doaj.org/article/b6b867a4e0d042178e74a769eff329ee

A Novel Time-Domain Current-Detection Algorithm for Shunt Active Power Filters

Autor: Longhui Wu, Fang Zhuo, Wanjun Lei, Hongyu Li, Zhaoan Wang

Publikováno v: IEEE Transactions on Power Systems. 20:644-651

A novel current-detection algorithm based on the time-domain approach for three-phase shunt active power filters (APFs) to eliminate harmonics, and/or correct power factor, and/or balance asymmetrical loads is analyzed in this paper. A basic overview

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::afa2d31a92c9a86df3a3eafc1ca5a0a4
https://doi.org/10.1109/tpwrs.2005.846215

Research on Method of Multi-agent Formation Control

Autor: Longhui Wu, Li Zhao, Zhigang Bing, Shigang Cui

Publikováno v: 2010 Asia-Pacific Conference on Power Electronics and Design.

Multi-robot formation control is the most common form of control of coordinated control. Take the AmigoBot mobile robot which produced by ActivMediaRobotics in USA as a research platform, based on leader-follower model of multi-robot formation method

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::67671100e83c5d2792aff527e688c644
https://doi.org/10.1109/apped.2010.22

Study on Soft Phase Locked Method to Solving the Synchronization Problem of Active Power Filter in Stand-alone Power Grid

Autor: Zhe Chen, Xianwei Wang, Longhui Wu, Zhaoan Wang, Fang Zhuo

Publikováno v: Zhuo, F, Wu, L, Chen, Z, Wang, X & Wang, Z 2009, Study on Soft Phase Locked Method to Solving the Synchronization Problem of Active Power Filter in Stand-alone Power Grid . in Proceedings of the 6th International Power Electronics and Motion Control Conference (IPEMC) . IEEE, pp. 1168-1174, International Power Electronics and Motion Control Conference (IPEMC), Wuhan, China, 17/05/2009 . https://doi.org/10.1109/IPEMC.2009.5157559

Traditional LC filters can't work stably in small rating stand-alone power grid. So active power filter (APF) is becoming an important tool to solve the power quality problem in small rating stand-alone power grid. In most current detection algorithm

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6b7c97af0955260e02c954f4d2d5c85c
https://vbn.aau.dk/da/publications/f62e1470-bd72-11de-bd73-000ea68e967b

Study of detachable transformer using fem on contactless power transmission system

Autor: Longhui Wu, Yanhui Qiu, Fang Zhuo, Xiang Shen, Zhaoan Wang

Publikováno v: 2008 IEEE Power Electronics Specialists Conference.

Detachable transformer is an important component of contactless power transmission system. Compared with traditional transmission modes, it has following advantages. There is no contact between supplying equipments and loads, no friction, which bring

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d220bd3334c4beac866cae5f25865676
https://doi.org/10.1109/pesc.2008.4592640