Zobrazeno 1 - 10
of 342
pro vyhledávání: '"Tian-Hua Liu"'
Autor:
Tian‐Hua Liu, Shao‐Ming Wang
Publikováno v:
The Journal of Engineering, Vol 2024, Iss 9, Pp n/a-n/a (2024)
Abstract Interior permanent magnet synchronous motors (IPMSMs) which are driven by matrix converters have many advantages, including one‐stage power conversion, high efficiency, bidirectional power transfer, near unity input power factor, and low i
Externí odkaz:
https://doaj.org/article/f3340535d9624720afebf9e027a9ec8b
Publikováno v:
IET Power Electronics, Vol 16, Iss 12, Pp 1996-2010 (2023)
Abstract This paper investigates the design and implementation of a new single‐phase sensorless power factor corrected (PFC) circuit. Here, the inductor‐current sensor and its sensing circuit are removed. As a result, the cost and volume of the P
Externí odkaz:
https://doaj.org/article/edce6044964f4cd393834b8224f1071d
Autor:
Muhammad Syahril Mubarok, Tian-Hua Liu
Publikováno v:
IEEE Access, Vol 10, Pp 42727-42738 (2022)
This paper proposes an adjustable wide-range speed-control method for sensorless IPMSM drive systems from standstill, low-speeds, middle-speeds, and high-speeds in the flux-weakening region. A sensorless method and an online parameter estimation meth
Externí odkaz:
https://doaj.org/article/a3676ae13a454623ba4cd477237f200d
Autor:
Tian-Hua Liu, Yu-Hang Zhuang
Publikováno v:
Frontiers in Electronics, Vol 3 (2022)
Improving the efficiency of home appliances is an important area of research these days, especially for global warming and climate change. To achieve this goal, in this paper, a new method to improve the maximum efficiency control of an interior perm
Externí odkaz:
https://doaj.org/article/5086fed8a18b42b4b888935303e01f57
Publikováno v:
IET Electric Power Applications, Vol 15, Iss 5, Pp 629-642 (2021)
Abstract The surface permanent magnet synchronous motor (SPMSM) drive system has been widely used in the industry due to its high power density, high efficiency and easy to control. nature The author proposes a speed‐loop frequency‐adaptive perio
Externí odkaz:
https://doaj.org/article/225bde1047ea4e34a19cf4a9560e92e8
Publikováno v:
Energies, Vol 16, Iss 6, p 2845 (2023)
This paper investigates a drive system with energy recovery which uses a 3-phase 1-kW 36-slot 12-pole distributed winding outer-rotor surface-mounted permanent-magnet synchronous motor (SPMSM) and surface-mounted permanent-magnet synchronous generato
Externí odkaz:
https://doaj.org/article/4d8a4e3fad90404b8582b6dcbb73aa84
Autor:
Muhammad Syahril Mubarok, Tian-Hua Liu
Publikováno v:
IEEE Access, Vol 9, Pp 74855-74867 (2021)
A rotor position estimation method based on a dual-voltage vector modulation technique for an IPMSM drive system is proposed in this paper. This method effectively increases the differences of the current slope in each switching state when compared t
Externí odkaz:
https://doaj.org/article/316b92034cbd4e168e9e5aeb35393639
Publikováno v:
Energies, Vol 15, Iss 19, p 7449 (2022)
Traditional three-phase rectifier DC-link inverters have been used in industry for more than 40 years. However, electrolytic capacitors, which are widely used in traditional inverters, have very large volumes and can only be used for five years. To s
Externí odkaz:
https://doaj.org/article/0f26fc3f601f4161860e986bc9587b32
Autor:
Ben J. Gu, Xin Huang, Pavan K. Avula, Emily Caruso, Candace Drysdale, Kirstan A. Vessey, Amber Ou, Christopher Fowler, Tian-Hua Liu, Yong Lin, Adam Horton, Colin L. Masters, James S. Wiley, Robyn H. Guymer, Erica L. Fletcher
Publikováno v:
Frontiers in Medicine, Vol 8 (2021)
Age-related macular degeneration (AMD) is characterized by the accumulation of debris in the posterior eye. In this study we evaluated peripheral blood monocyte phagocytic function at various stages of AMD and in aged matched control participants. Re
Externí odkaz:
https://doaj.org/article/46bdd72e10094b2f8229071672c38f6d
Publikováno v:
The Journal of Engineering (2020)
This study investigates a small film DC-link capacitor inverter for a permanent magnet synchronous motor drive system. Two control methods, including a d–q-axis current control and a positive torque region current control, are originally proposed t
Externí odkaz:
https://doaj.org/article/cc10398836a745cc90c3238a59a0c26c