Siew-chong Tan, Y. M. Lai, Chi K. Tse, Luis Martínez-salamero, Senior Member, Chi-kin Wu
Abstract—This paper proposes a fast-response sliding-mode controller for controlling boost-type converters requiring a fast dynamical response over a wide range of operating conditions. The various...
C. K. Tse, N. K. Poon, M. H. Pong, Y. M. Lai
of general impedance with simple dc/dc converters for power processing applications
Indirect Sliding Mode Control of Power Converters Via Double Integral Sliding Surface (2009)
Siew-chong Tan, Y. M. Lai, Chi K. Tse
Abstract—The steady-state regulation error in power converters that use the conventional hysteresis-modulation-based sliding mode controller can be suppressed through the incorporation of an...
General Design Issues of Sliding-Mode Controllers in DC–DC Converters (2009)
Siew-chong Tan, Y. M. Lai, Chik. Tse
Abstract—This paper examines the practical design issues of sliding-mode (SM) controllers as applied to the control of dc–dc converters. A comprehensive review of the relevant literature is first...
Siew-chong Tan, Y. M. Lai, Chi K. Tse, Luis Martinez-salamero, Angel Cid-pastor
Abstract — This paper presents an approach of designing fixed-frequency pulsewidth-modulation based sliding mode controllers for power converters operating in the discontinuous conduction mode. The...
A SYSTEMATIC DESIGN PROCEDURE FOR SLIDING MODE CONTROLLED BUCK CONVERTERS (2008)
Siew-chong Tan, Y. M. Lai, Chi K. Tse
This paper presents a systematic design procedure for sliding mode voltage controlled buck converters operating in continuous conduction mode. The discussion covers different practical aspects...
INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS (2008)
C. K. Tse, Y. M. Lai, R. J. Xie
Application of duality principle to synthesis of single-stage power-factor-correction voltage regulators
Chi K. Tse, N. K. Poon, Senior Member, Y. M. Lai
Abstract—This paper presents an ac–dc converter topology for realization of power factor correction (PFC) voltage regulators for applications where the mains frequency is high and a low input...
INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS (2008)
C. K. Tse, V. Pjevalica, Y. M. Lai
This paper describes the bifurcation phenomena of a system of parallel-connected d.c.=d.c. boost converters. The results provide important information for the design of stable current sharing in a...
Siew-chong Tan, Y. M. Lai, Chi K. Tse
Abstract — This paper examines the practical design issues of sliding mode controllers as applied to the control of DC– DC converters. A comprehensive review of the relevant literature is first...
General Impedance Synthesis Using Simple Switching Converters (2008)
Abstract — A general impedance synthesizer using a minimum number of switching converters is studied in this paper. We begin with showing that any impedance can be synthesized by a circuit...
A PFC Topology with Low Input Current Distortion Suitable for Aircraft Power Supplies (2008)
Chi K. Tse, N. K. Poon, Y. M. Lai, M. H. Pong
Abstract — This paper presents an AC-DC converter topology for realization of PFC converters for applications where the mains frequency is high and a low input current harmonics is required, e.g.,...
Sufen Chen, Y. M. Lai, Siew-chong Tan, Chi K. Tse
Abstract — This paper presents an analysis of the application and optimal design of the repetitive controller for eliminating harmonic distortion in pulse-width modulation voltage source inverter...
Siew-chong Tan, Y. M. Lai, Chi K. Tse, Student Member
Abstract—A major disadvantage of applying sliding mode control to dc/dc converters is that the steady-state switching frequency is affected by line and load variations. This is undesirable as it...
A pulsewidth modulation based integral sliding mode current controller for boost converters (2006)
Siew-chong Tan, Y. M. Lai, Chi K. Tse, Chi Kin Wu
Abstract — This paper proposes a fixed-frequency pulsewidth-modulation based sliding mode current controller for boost converters. The aim of having such a nonlinear controller is to support the...
Siew-chong Tan, Y. M. Lai, Chi K. Tse
Abstract—This paper presents a simple unified approach to the design of fixed-frequency pulsewidth-modulation-based sliding-mode controllers for dc–dc converters operating in the continuous...
Siew-chong Tan, Y. M. Lai, Chi K. Tse, Senior Member, Student Member, ...
Abstract—This paper presents the design and analysis of a fixed-frequency pulsewidth modulation (PWM)-based quasi-sliding-mode voltage controller for buck converters from a circuit design...
Implementation of pulse-widthmodulation based sliding mode controller for boost converters (2005)
Siew-chong Tan, Y. M. Lai, Chi K. Tse
Abstract — This paper presents the design and analysis of a pulse-width-modulation based sliding mode voltage controller for buck converters from a circuit design perspective. A practical design...
On the practical design of a sliding mode voltage controlled buck converter (2005)
Siew-chong Tan, Student Member, Y. M. Lai, Chi K. Tse, Senior Member
Abstract—This paper presents a simple and systematic approach to the design of a practical sliding mode voltage controller for buck converters operating in continuous conduction mode. Various...
An adaptive sliding mode controller for buck converter in continuous conduction mode (2004)
Siew-chong Tan, Y. M. Lai, Chi K. Tse
Abstract — This paper proposes a new adaptive sliding mode controller for buck converter operating in the continuous conduction mode. Through gain scheduling, the controller is designed to monitor...
Synthesis of input-rectifierless ac/dc converters (2004)
C. P. Liu, Chi K. Tse, N. K. Poon, Senior Member, Senior Member, ...
Abstract—This paper discusses the basic construction procedure and topological possibilities of creating ac/dc converters out of simple dc/dc converters. It is shown that two separately controlled...
Hopf bifurcation and chaos in a free-running current-controlled Ćuk switching regulator (2000)
C. K. Tse, Senior Member, Y. M. Lai, Student Member
Abstract—An autonomous free-running Ćuk converter is studied in this paper. Analysis of the describing nonlinear state equations shows that the system loses stability via a supercritical Hopf...
Chen, C.S., Chu, S.H., Lai, Y.M., Wang, M.L., Chan, P.R.
To determine the possibility of finding motile spermatozoa and spermatids in patients with high serum follicle stimulating hormone (FSH) and spermatogenetic disorders proven by pathology, 100 cases...
Chen, C.S., Chu, S.H., Soong, Y.K., Lai, Y.M.
From July 1992 to May 1994, 31 cases of obstructive azoospermia-induced infertility underwent 35 epididymal sperm aspiration procedures and assisted reproductive techniques. These included in-vitro...
Evaluation of Vero cell co-culture system for mouse embryos in various media (1992)
Lai, Y.M., Stein, D.E., Soong, Y.K., Tang, Y.X., Grifo, J., Malter, H.E., ...
Our objective was to evaluate and compare the efficacy and mechanisms of co-culturing mouse embryos with Vero cells in both Dulbecco's modified Eagle's medium/Ham's F12 (DMEM/F12) and human...
Adverse effect of air pollution on respiratory health of primary school children in Taiwan.
Chen, P C, Lai, Y M, Wang, J D, Yang, C Y, Hwang, J S, Kuo, H W, ...
This study is a part of the Study On Air Pollution and Health In Taiwan (SOAP&HIT), an ongoing research project involving cooperation of several universities in Taiwan. In this study, the objective...
Short-term effect of ozone on the pulmonary function of children in primary school.
Chen, P C, Lai, Y M, Chan, C C, Hwang, J S, Yang, C Y, Wang, J D
The objective of this study was to evaluate the short-term effect of ambient air pollution on the pulmonary function of schoolchildren. We sampled 941 children in primary school in three communities...
Adverse effect of air pollution on respiratory health of primary school children in Taiwan.
Chen, P C, Lai, Y M, Wang, J D, Yang, C Y, Hwang, J S, Kuo, H W, ...
This study is a part of the Study On Air Pollution and Health In Taiwan (SOAP&HIT), an ongoing research project involving cooperation of several universities in Taiwan. In this study, the objective...
Short-term effect of ozone on the pulmonary function of children in primary school.
Chen, P C, Lai, Y M, Chan, C C, Hwang, J S, Yang, C Y, Wang, J D
The objective of this study was to evaluate the short-term effect of ambient air pollution on the pulmonary function of schoolchildren. We sampled 941 children in primary school in three communities...