JSAE Symposium: "Latest Trends in EV Technology" presentations

Toyota, Subaru, and Nissan introduce their latest installed electrified vehicle technologies



Exhibition of electrified vehicles and components
Exhibition of electrified vehicles and parts in conjunction with the "The Latest Trends in Electrified Vehicle Technology" symposium

  The Society of Automotive Engineers of Japan, Inc. (JSAE) hosted its No. 08-22 Symposium, "The Latest Trends in Electrified Vehicle Technology," on February 3, 2023, at the Large Training Room/Atrium of the Toyosu IHI Building in Tokyo.

  This symposium was organized by the Committee of the Electric Power Technology Division of the JSAE (Chairman: Mr. Takashi Majima), and featured presentations by representatives of electrified vehicle-related manufacturers, universities, research institutes, and others.

  In addition, an exhibition of electrified vehicles and related components was held in conjunction with the symposium, featuring vehicles such as the all-new Civic and Solterra, cutaway models of the 4th generation Prius, and motors, inverters, and other components used in the 1st to 5th generation Prius.


  This report introduces, of the 7 presentations, three presentations given by representatives of vehicle OEMs. The topics, speakers, and contents of the presentations are as follows.

Evolution and Development of the Toyota Hybrid System
    Mr. Koichiro Muta, Toyota Motor Corporation
・Vehicle performance of 1st to 5th Prius, evolution of THS system
・Direction of hybrid system development
・Multi-stage/parallel/dual-boost hybrid systems
BEV system and AWD control of the all-new Solterra
    Mr. Shunsuke Obata and Mr. Hiroshi Ienaga, Subaru Corporation
・Cooling system and battery temperature rise during charging
・Achieving stable driving with AWD control
The electric powertrain and battery system for the new mini-EV Sakura
    Mr. Kenji Arai, Nissan Motor Co., Ltd.
    Mr. Tomoyoshi Chiba, Nissan Automotive Technology Co., Ltd.
・Technology employed in electric powertrain for mini-EV
・Battery cooling to enable repeated rapid charging


  In each presentation, there were many examples of how vehicle performance has been enhanced by improving the control system as well as the mechanisms of the electrified powertrain.

  The contents of the exhibition held in conjunction with the symposium are introduced in the "Latest Trends in EV Technology" Concurrent Exhibition Report.


Related reports:
JSAE Symposium: "Latest Trends in EV Technology" Concurrent Exhibition (Mar. 2023)
Toyota: Toward Achieving Carbon Neutrality by 2050 (Mar. 2023)
Nissan: Agreement with Renault on 15% mutual investment (Mar. 2023)
21st CTI Symposium (1): Keeping Pace during Electric Mobility Transformation (Jan. 2023)
Subaru: Launches Solterra Global BEV, In-house Production of BEVs by 2025 (Dec. 2022)
Nissan e-4WD Rear and Kei EV e-Axle Teardown Survey (Nov. 2022)


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