Hongfa Ding
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View article: A Highly Stabilized Current Source Topology with Slope Compensation for a High-Power Microwave Guiding Coil
A Highly Stabilized Current Source Topology with Slope Compensation for a High-Power Microwave Guiding Coil Open
For the waveguide coil in a High-Power Microwave (HPM) source, a strong repetitive Flat-top Pulsed Magnetic Field (FTPMF) is needed, which requires the power supply system to generate a high load current (3∼5 kA) with high stability (<1000…
View article: An Intelligent Optimization Method for Transcranial Magnetic Stimulation Waveforms to Improve Stimulation Selectivity
An Intelligent Optimization Method for Transcranial Magnetic Stimulation Waveforms to Improve Stimulation Selectivity Open
Transcranial Magnetic Stimulation (TMS) is a non-invasive neuromodulation technique that stimulates the brain using an induced electric field generated by a stimulation coil and pulsed current. The precision of this stimulation largely det…
View article: Waveform Optimization and Analysis for Enhancing Transcranial Magnetic Stimulation Selectivity
Waveform Optimization and Analysis for Enhancing Transcranial Magnetic Stimulation Selectivity Open
Transcranial magnetic stimulation (TMS) is a noninvasive technique that stimulates the brain via electric fields induced by pulsed currents in a coil. Beyond coil design, the pulse waveform also affects neuronal activation, though specific…
View article: Field shaper-based solutions to the bulging problem in magnetic pulse spot welding of dissimilar metal plates
Field shaper-based solutions to the bulging problem in magnetic pulse spot welding of dissimilar metal plates Open
Magnetic pulse spot welding based on a field shaper can effectively achieve spot welding of dissimilar metal plates by using the multi-turn flat coil and magnetic gathering through the field shaper. Through existing experimental research, …
View article: Numerical and experimental study of TIG welding arc in high frequency longitudinal magnetic field
Numerical and experimental study of TIG welding arc in high frequency longitudinal magnetic field Open
The phenomenon of arc compression in TIG welding with high-frequency longitudinal magnetic field (HF-LMF) has been observed. However, its mechanism remains unclear, and there is a lack of numerical investigation. This work presents a two-d…
View article: Multi-objective optimization method for coil current waveform of transcranial magnetic stimulation
Multi-objective optimization method for coil current waveform of transcranial magnetic stimulation Open
View article: Non-invasive focalized stimulation in deep brain using the spatially symmetric array
Non-invasive focalized stimulation in deep brain using the spatially symmetric array Open
As a non-invasive neuromodulation technology, transcranial magnetic stimulation (TMS) shows great potential in the treatment of mental diseases. Using TMS to stimulate deep brain targets has significant scientific research value for the ex…
View article: Generation of a Flat-Top Magnetic Field With Multiple-Capacitor Power Supply
Generation of a Flat-Top Magnetic Field With Multiple-Capacitor Power Supply Open
The flat-top magnetic field (FTMF) can meet scientific experimental requirements for higher magnetic intensity, longer flat-top pulse width, and lower ripple in physics, chemistry, biology, and other scientific fields. This paper proposes …
View article: A Novel Switched-Capacitor Inverter with Reduced Capacitance and Balanced Neutral-Point Voltage
A Novel Switched-Capacitor Inverter with Reduced Capacitance and Balanced Neutral-Point Voltage Open
A novel three-phase switched-capacitor multilevel inverter (SCMLI) with reduced capacitance and balanced neutral-point voltage is proposed in this paper. Applying only one DC source, the three-phase seven-level topology possessing voltage-…
View article: Transcranial magnetic stimulation: U-shaped coil design for improved intracranial induced electrical field
Transcranial magnetic stimulation: U-shaped coil design for improved intracranial induced electrical field Open
Transcranial magnetic stimulation (TMS) has been widely used in scientific research and clinical application. In TMS, the stimulation coil generates a focusing induced electrical field in the intracranial target area to achieve neuromodula…
View article: Analytical Modeling and Optimization Design of an Electromagnetic Pulse Welding Device With a Field Shaper for Metal Plates
Analytical Modeling and Optimization Design of an Electromagnetic Pulse Welding Device With a Field Shaper for Metal Plates Open
An electromagnetic pulse welding (EMPW) system is a complex multifield coupling system. Using finite element software to simulate its processes can better guide the design of the electromagnetic pulse welding system and the analysis of the…
View article: Noise analysis and active noise control strategy of transcranial magnetic stimulation device
Noise analysis and active noise control strategy of transcranial magnetic stimulation device Open
Transcranial magnetic stimulation (TMS) has been proved to be effective in the treatment of many psychiatric disorders, but the clicking noise produced by the large and short pulse current in the TMS coil may put negative effect to the hea…
View article: The pulsed high magnetic field facility and scientific research at Wuhan National High Magnetic Field Center
The pulsed high magnetic field facility and scientific research at Wuhan National High Magnetic Field Center Open
Wuhan National High Magnetic Field Center (WHMFC) at Huazhong University of Science and Technology is one of the top-class research centers in the world, which can offer pulsed fields up to 90.6 T with different field waveforms for scienti…
View article: Risk-Based Probabilistic Voltage Stability Assessment in Uncertain Power System
Risk-Based Probabilistic Voltage Stability Assessment in Uncertain Power System Open
The risk-based assessment is a new approach to the voltage stability assessment in power systems. Under several uncertainties, the security risk of static voltage stability with the consideration of wind power can be evaluated. In this pap…
View article: Multi-Objective Demand Response Model Considering the Probabilistic Characteristic of Price Elastic Load
Multi-Objective Demand Response Model Considering the Probabilistic Characteristic of Price Elastic Load Open
Demand response (DR) programs provide an effective approach for dealing with the challenge of wind power output fluctuations. Given that uncertain DR, such as price elastic load (PEL), plays an important role, the uncertainty of demand res…
View article: Multi‐period probabilistic‐scenario risk assessment of power system in wind power uncertain environment
Multi‐period probabilistic‐scenario risk assessment of power system in wind power uncertain environment Open
With the wind generation increasingly penetrating the power grids, there is a growing interest in developing new risk‐based assessments for the grids security analysis. This study develops one kind of such risk tools to evaluate the securi…