Announcement of publication of the November 2023 issue of Journal of Society of Automotive Engineers of Japan
Publication information
<Special feature> Advanced technologies for motors, inverters, and batteries for electric vehicles
We featured motors, inverters, and batteries, which are the heart of electric vehicles (EVs). We featured articles that explain the basics of motors, inverters, and batteries, as well as the latest technologies, along with articles looking at the prospects for electrification toward carbon neutrality.
We are delving into the technology for reducing the size and loss of each component from the aspects of cooling and mechanical design.
For batteries, thermal design that supports long-distance movement is important, and we explain simulation technology and charging control technology. We hope that readers will find articles of interest from the table of contents and use them as reference. Please take a look.
<Feature article>
●Overall outlook
- Electrification and power electronics towards carbon neutrality
●Motor basics and advanced technology
- Analysis of EV motors ─ FEA basics and usage examples ─
- Development of small high-performance motor using sealed cooling structure
- Technology for reducing size, weight, loss, and noise of motor transaxles for HEVs
- Development of a high peripheral speed motor that realizes miniaturization of electric systems
●Advanced inverter technology
- Development of high power density power control unit (PCU)
- Mitsubishi Electric's automotive power module contributes to the miniaturization and higher performance of inverters
●Advanced battery technology
- Optimization of battery cooling and quick charging control to realize long-distance travel of light EVs
- Automotive battery heat generation and heat transfer simulation technology
<Hot Topics - A collection of trending topics>
- Improved combustion noise by optimizing the crankshaft shape of the new high-efficiency 1.5L 3-cylinder variable compression ratio engine
- Research on monocular stereo camera with split field of view using mirrors
- Development of a variable aerodynamic device to streamline wind tunnel testing
- Expectations and challenges for promoting the SolarEV city concept
- Kao begins operation of state-of-the-art cosmetics production system using permanent magnets
- Development of SLAM autonomous driving element technology adapted to the lunar surface environment
<Serial article>
[Technology window]
Thoughts on mobility innovation
Mr. Yoshihiro Suda (University of Tokyo)
[Super world]
Real-time measurement of high-speed airflow ─Sparse processing PIV measurement technology─
Mr. Taku Nonomura (National Institute of Advanced Industrial Science and Technology) / Mr. Kumi Nakai (National Institute of Advanced Industrial Science and Technology)
【Spotlight】
Gasoline and plant physiology - Approach to discovery and application of plant CO2 sensors
Mr. Yohei Takahashi (Nagoya University)
[Standardization activity report]
Introduction to the standardization activities of the TC22/SC38/WG1 Motorcycle Engine and Energy Subcommittee
Mr. Shunji Akamatsu / Mr. Hiroshi Funaya (Honda Motors) Mr. Masahiro Nishikawa (Horiba Ltd.) Mr. Masanori Takahashi (Ono Sokki)
[Formula SAE Japan's days and now]
Failure is also an achievement! But don't repeat!
Mr. Takayuki Kusumi (Mazda)
<Legend conversation>
2nd Legend Conversation
Mr. Ryo Mukumoto (Honda Technical Research Institute)
<“Technology Development Award” Technology Introduction>
Development of the industry's first metal-free diesel engine oil that meets JASO DH-2 standard performance
Mr. Yasunori Shimizu, Mr. Hiroaki Koshima, Mr. Moritsugu Kasai, Mr. Yukitoshi Fujinami (Idemitsu Kosan)
Automatic evaluation method of vehicle drivability performance using machine learning
Mr. Naofumi Tajima, Mr. Kohei Shintani, Mr. Atsutaka Ogoe, Mr. Shota Kitano, Mr. Motofumi Iwata (Toyota Motors)
Reduced noise in compressors for electric vehicles using new toothed scrolls
Mr. Takuro Yamashita, Mr. Takumi Maeda (Toyota Industries Corporation) Mr. Tatsunori Tomoda, Mr. Yasuhiro Kondo, Mr. Etsuko Hori (Toyota Central Research Institute)
Bipolar nickel metal hydride battery
Mr. Motoki Okumura, Mr. Hiroyuki Kaiya, Mr. Reiji Morioka, Mr. Daiki Terashima (Toyota Motor Corporation) Mr. Motoaki Okuda (Toyota Industries Corporation)
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