Kazuhiro Umetani

Associate Professor

Okayama University

Japan

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Kazuhiro Umetani is an Associate Professor at Okayama University, Japan. His research areas include laser altimetry calibration, wireless power transfer systems, digital control in power converters, and resonant inverter technologies. He has contributed to various recent articles focusing on resonant frequency tuning, load observing systems, and the analytical derivation of waveforms in electrical systems.

Kazuhiro Umetani

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Articles (15)

Ground calibration tests of the laser altimeter (LIDAR) for MMX mission

3D-Matrix Inductor-Transformer with Fractional-Turn Interleaving in a CLLC Resonant Converter for Bidirectional Onboard Chargers

Load Observing System Based on Wave Reflection for Soft-Switching Control of MHz-Frequency Resonant Inverter Against Load Fluctuations

Feasibility of Active Reactance Compensator for Autonomously Maximizing Repeater Coil Current of Wireless Power Transfer System Against Variations in Resonant Frequency and Magnetic Coupling Intensity

GaN-HEMT Power Module of Aluminum-Clad Printed Circuit Boards for Small Power Loop Inductance and High Cooling Performance

Autonomous Resonant Frequency Tuner for a 6.78 MHz Inductive Coupling Wireless Power Transfer System to Stably Maximize Repeater Current

Analytical Derivation of Phase-Current Waveform for Elimination of Torque and Input-Current Ripples of Switched Reluctance Motor Operating Under Magnetic Saturation

Design and Analysis of Power Balance Mode Control Using Digital Control for Boost-Type DC-DC Converter

Industrial Electronics Education: Past, Present, and Future Perspectives

Autonomous System Concept of Multiple-Receiver Inductive Coupling Wireless Power Transfer for Output Power Stabilization Against Cross-Interference Among Receivers and Resonance Frequency Tolerance

Analytical Formulation of Copper Loss of Litz Wire With Multiple Levels of Twisting Using Measurable Parameters

Emerging Trends in Industrial Electronics: A Cross-Disciplinary View

Light detection and ranging (LIDAR) laser altimeter for the Martian Moons Exploration (MMX) spacecraft

Simultaneous Tuning of Rotor Shape and Phase Current of Switched Reluctance Motors for Eliminating Input Current and Torque Ripples With Reduced Copper Loss

Strategy of Topology Selection Based on Quasi-Duality Between Series–Series and Series–Parallel Topologies of Resonant Inductive Coupling Wireless Power Transfer Systems

Collaborators (7)

Koji Matsumoto

Sho Yokota

Larisa Dunai

Jesús Acero

Ryo Suetsugu

Luis Gomes

Milos Manic

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