Search Results - "Mizuno, Tsutomu"

Improvement in the Transmission Efficiency of EV Wireless Power Transfer System Using a Magnetoplated Aluminum Pipe by Bu, Yinggang, Endo, Shun, Mizuno, Tsutomu

“…The wireless power transfer (WPT) system in an electric vehicle charger uses a litz copper wire (LCW) in the transmission coil to reduce the high-frequency…”
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Voltage Improvement of a Swing-Magnet-Type Generator for Harvesting Bicycle Vibrations by Sato, Mitsuhide, Takemura, Takuto, Mizuno, Tsutomu

“…This paper proposes a swing-magnet-type generator that utilizes environment vibration for energy harvesting applications. This device consisted of a liquid, a…”
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Effect of Nonlinear Spring Characteristics on the Efficiency of Free-Piston Engine Generator by Irie, Shoma, Sato, Mitsuhide, Mizuno, Tsutomu, Nishimura, Fumiya, Naganuma, Kaname

“…Piston motion is an important factor in improving the energy conversion efficiency of free-piston engine generators (FPEGs), and an air cylinder is an…”
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Formulation and mixing conditions of magnetic composite materials used for magnetic wedges in an interior permanent magnet synchronous motor by Horiuchi, Manabu, Yoshida, Ryo, Nirei, Masami, Sato, Mitsuhide, Mizuno, Tsutomu

“…An interior permanent magnet synchronous motor (IPMSM) is characterized by its high efficiency. However, torque ripple and loss occur because of the spatial…”
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Proposal of a Wireless Power Transfer Technique for Low-Power Multireceiver Applications by Yinggang Bu, Mizuno, Tsutomu, Fujisawa, Hidetaka

“…In this paper, we proposed and verified the feasibility of a unique wireless power transfer structure called a rail transformer to drive multiple low-power…”
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Surface-Oxidized Amorphous Alloy Powder/Epoxy-Resin Composite Bulk Magnetic Core and Its Application to Megahertz Switching LLC Resonant Converter by Sugimura, Kanako, Shibamoto, Daisuke, Yabu, Naoki, Yamamoto, Tatsuya, Sonehara, Makoto, Sato, Toshiro, Mizuno, Tsutomu, Mizusaki, Hideaki

“…To realize a compact, lightweight and high-efficiency megahertz (MHz) switching DC-DC converter using SiC/GaN power device, inductor/transformer core must have…”
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AC Resistance Reduction of a Flexible Wireless Power Transmission Coil Using Magnetic Path Control Technology at 13.56 MHz by Tokudaiji, Yuta, Miura, Daichi, Hattori, Yusuke, Murasato, Kohei, Bu, Yinggang, Mizuno, Tsutomu

“…To reduce the size and weight of wireless power transfer devices, lightweight, thin, and highly efficient power-transmitting and power-receiving coils are…”
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Effectiveness of Magnetic Composite Material on Copper Loss Reductions and Misalignment in Copper‐Plate‐Coils for Wireless Power Transmission by Sato, Mitsuhide, Endo, Shun, Bu, Yinggang, Mizuno, Tsutomu

“…Wireless power transmission systems are suitable for use in charging systems for plug‐in hybrid vehicles and electric vehicles, particularly when considering…”
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Effect of Magnetic Properties of Magnetic Composite Tapes on Motor Losses by Yoshida, Ryo, Kitajima, Jun, Sakae, Takashi, Sato, Mitsuhide, Mizuno, Tsutomu, Shimoda, Yuki, Kubota, Akihiro, Wada, Shogo, Kichiji, Teruo, Kumagai, Hideo

“…Alternating current (AC) copper losses in motors increase with carrier frequency of the pulse width modulation (PWM) and are further increased by leakage flux…”
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Reducing the Alternating Current Resistance and Heat Generation in a Single‐Wire Coil Using a Magnetic Tape by Sato, Mitsuhide, Sugimoto, Kaito, Kubota, Kazuma, Endo, Shun, Mizuno, Tsutomu

“…In today's fast‐paced environment, the downsizing of electronic devices has become imperative. A high driving frequency is effective for the downsizing of…”
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Basic Characterization of Magnetocoated Wire Fabricated Using Spray Method by Konno, Yasuyuki, Yamamoto, Tatsuya, Chai, Yuki, Tomoya, Dobashi, Yinggang Bu, Mizuno, Tsutomu

“…Recently, there has been an increase in the demand for high-efficiency miniature electronic equipment such as personal computers. Therefore, using high drive…”
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Reducing Rotor Temperature Rise in Concentrated Winding Motor by Using Magnetic Powder Mixed Resin Ring by Sato, Mitsuhide, Takazawa, Keigo, Horiuchi, Manabu, Masuda, Ryoken, Yoshida, Ryo, Nirei, Masami, Bu, Yinggang, Mizuno, Tsutomu

“…The demand for high-speed servomotors is increasing, and minimal losses in both high-speed and high-torque regions are required. Copper loss reduction in…”
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Operation Range of Intermittent Velocity Control for Improving Top-Dead-Center Accuracy in Dual-Sided Free-Piston Engine Linear Generator by Sato, M., Irie, S., Mizuno, T., Sakane, Y., Naganuma, K.

“…A free-piston engine linear generator (FPEG) is constructed by combining a reciprocating internal combustion engine and a linear generator. FPEG is required to…”
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Hybrid inductor for improving gain attenuation characteristics of a Pi filter circuit by Tanaka, Masato, Shimura, Kazuhiro, Sato, Mitsuhide, Mizuno, Tsutomu, Matsuoka, Takashi

“…A filter circuit is required to suppress noise and have high gain attenuation characteristics in a wide band. Gain attenuation decreases because the relative…”
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Expansion of Motor High-Efficiency Area by Inserting Magnetic Composite Material into Rotor by Sato, M., Takazawa, K., Yoshida, R., Nirei, M., Mizuno, T.

“…Variable magnetic flux motors have been proposed to achieve high-efficiency operation over a wide drive range ranging from high torque to high-speed. This…”
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Increasing the efficiency of a drone motor by arranging magnetic sheets to windings by Sato, Mitsuhide, Nirei, Masami, Yamanaka, Yuichiro, Suzuki, Tatsuki, Bu, Yinggang, Mizuno, Tsutomu

“…In recent years, there has been an increase in motorization; therefore, the demand for high-efficiency motors in automobiles and aircrafts will further…”
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Examination of high Q factor multilayer chip inductor applied magnetic flux path control technology by Shimura, Kazuhiro, Kono, Yasuyuki, Sato, Mitsuhide, Bu, Yinggang, Mizuno, Tsutomu

“…Inductors used for power supplies can be miniaturized by increasing the frequency. However, as the frequency increases, the loss in the inductor increases,…”
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Reduction of eddy currents in winding by using a magnetic layer on an IPM motor by Suzuki, Tatsuki, Nirei, Masami, Yamamoto, Tatsuya, Yamanaka, Yuichiro, Goto, Takumi, Sato, Mitsuhide, Bu, Yinggang, Mizuno, Tsutomu

“…The demand for highly efficient motors has risen because of the increase in the number of hybrid electrical vehicles and electrical vehicles. Eddy current loss…”
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Improving the constant‐volume degree of combustion considering generatable range at low speed in a free‐piston engine linear generator system by Sato, Mitsuhide, Naganuma, Kaname, Nirei, Masami, Yamanaka, Yuichiro, Suzuki, Tatsuki, Goto, Takumi, Bu, Yinggang, Mizuno, Tsutomu

“…Series hybrid vehicles using free‐piston engine coupled with linear generator are expected for high‐efficiency energy conversion systems. Such engines do not…”
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Method for Identifying Type of Eddy-Current Displacement Sensor by Tsutomu, Mizuno, Sho, Goto, Kenta, Deguchi, Yoshinori, Kitamura, Yuichi, Asato, Shigemi, Enoki, Hiroki, Shinagawa

“…Eddy-current (EC) displacement sensors are used in a device for measuring the shaft vibration of turbines. An EC displacement sensor is composed of a sensor…”
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