Search Results - "Cheng, K W Eric"

A Nonisolated Bidirectional DC-DC Converter With High Voltage Conversion Ratio Based on Coupled Inductor and Switched Capacitor by Hu, Renjun, Zeng, Jun, Liu, Junfeng, Cheng, K. W. Eric

“…In this article, a nonisolated bidirectional dc-dc converter is proposed based on coupled inductor (CL) and switched capacitor (SC). The converter can achieve…”
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A phase synchronization control scheme for LCL-T type high-frequency current source in parallel connection by Zeng, Jun, Liu, Junfeng, Yang, Jinming, Luo, Fei, Cheng, K. W. Eric

“…Summary Considering the applications of high voltage gate driving system and contactless power transmission, a current‐based power distribution is adopted as a…”
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A Flexible Mode Electrolytic Capacitor-Free LED Driver With High Efficiency Over a Wide Range of Input Voltage by Zeng, Jun, Liu, Feng, Liu, Junfeng, Cheng, K. W. Eric

“…The conventional ac-dc LED drivers fail to achieve high efficiency and optimized bus voltage over a wide range of input voltage. In order to obtain the better…”
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A New Decoupled RotLin Motor With Fuzzy Sliding Mode Control by Zou, Yu, Cheng, K. W. Eric, Hu, Jiefeng, Huang, S. D., Pan, J. F.

“…In this paper, a new rotary-linear switched-reluctance motor with a magnetic decoupled structure is introduced. The rotational motion of the motor, managed by…”
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Type-V Exponential Regression for Online Sensorless Position Estimation of Switched Reluctance Motor by Yan-Tai Chang, Cheng, K. W. Eric, Ho, S. L.

“…The idea of sensorless position sensing of switched reluctance motor (SRM) is attractive to researchers because of the increased reliability, robustness, and…”
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A Polymer-Based Air Gap Length Prediction Method With Current Injection and Fuzzy Logic Observer by Yu Zou, Cheng, K. W. Eric, Cheung, Norbert C., Pan, J. F.

“…In this paper, an approach combining current pulses injection and fuzzy logic observer to measure the air gap length of linear machines is proposed. A polymer…”
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Lung meridian acupuncture point skin impedance in asthma and description of a mathematical relationship with FEV1 by Ngai, Shirley P.C, Jones, Alice Y.M, Cheng, Eric K.W

“…Abstract Alteration in acupoint skin impedance is purportedly associated with health impairment. This study examined lung meridian acupoint skin impedance in…”
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Examination of the frequency modulation and lifting techniques for the generalized power factor correction switched-capacitor resonant converter by Law, K. K., Cheng, K. W. Eric

“…A generalized method for switched‐capacitor resonant converter for use in power factor correction is proposed. Using the techniques, the voltage conversion can…”
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Tapped Inductor Works on Switched Mode Power Converter for Electric Vehicle Power Conversion System by Mei, Jie, Cheng, K. W. Eric, Chan, Ka Wing

“…Switched-capacitor technique has a good application for voltage source circuits. On the other hand, the switched-inductor approach in current source circuits…”
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A Flexible Load-Independent Multi-Output Wireless Power Transfer System Based on Double-T Resonant Circuit Technique by Li, Yong, Hu, Jiefeng, Chan, K. W., Eric Cheng, K. W., Liu, Ming

“…Wireless Power Transfer (WPT) technology has been increasingly applied in power supply for portable devices such as mobile phones and electric vehicles (EVs)…”
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A fully soft-switched extended-period quasi-resonant power-factor-correction circuit by Hui, S.Y.R., Cheng, K.W.E., Prakash, S.R.N.

“…This paper presents the design criteria, procedure, and implementation of a soft-switched power-factor-correction (PFC) circuit based on the extended-period…”
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Ideas for future electric aircraft system by Raman, S. Raghu, Cheng, K. W. Eric

“…This design paper proposes few improvements on the existing electrical network in the aircraft system. It also suggests improvement in the starter circuitry by…”
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High frequency AC auxiliary power source for future vehicles by Raghu, Raman S., Junfeng Liu, Xue, X. D., Cheng, K. W. Eric

“…High frequency AC power distribution system have been discussed for a few decades now. It finds applications in computer power supplies, aerospace power,…”
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Design method of outcome based learning for an inverter experiment in a power electronics subject by Xiaolin Wang, Cheng, K. W. Eric

“…Experiment is important for learning and research in the field of power electronics. This paper presents a new methodological approach outcome based learning…”
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An energy sharing scheme for SC based multilevel inverter for high frequency AC power distribution system by Junfeng Liu, Cheng, K. W. Eric, Yuanmao Ye, Cuidong Xu

“…High frequency distribution has more advantages than its DC counterpart. In order to obtain a high frequency power source, a switched capacitor (SC) based…”
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Switched-capacitor multilevel inverters for high frequency AC microgrids by Raman, S. Raghu, Yuanmao Ye, Cheng, K. W. Eric

“…This paper proposes a novel topology of a switched-capacitor multilevel inverter for high frequency AC microgrids. It employs multiple DC sources which make it…”
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Measurement and analysis of EMI radiated by a high-frequency AC distribution system in vehicles by Jiang, Z. Y., Xue, X. D., Mei, J., Cheng, Eric K. W.

“…This paper presents a literature review on the high-frequency AC distribution system and an experimental relationship for the radiated electromagnetic noise…”
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A Novel Method for Connecting Multiple Piezoelectric Transformer Converters and its Circuit Application by Ye Yuanmao, Cheng, K. W. E., Kai Ding

“…The electrical circuit and model of piezoelectric transformers (PTs) ELS-60 is developed. Rosen-type PT and many other nonisolated conversion circuits have the…”
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A Family of Dual-Phase-Combined Zero-Current Switching Switched-Capacitor Converters by Yuanmao Ye, Cheng, Ka Wai Eric, Junfeng Liu, Cuidong Xu

“…A family of dual-phase-combined resonant switched-capacitor (SC) converters with a similar structure is presented in this paper. Comparing with their…”
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Optimization Design of Photovoltaic Array in Hong Kong by Cheng, Xin, Cheng, K. W. Eric, Kan, Kin Lung Jerry

“…The Hong Kong government has issued a branch of the renewable energy generation stimulation measures to encourage the development of the domestic market…”
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