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Summary & Details

Examination of Requirements for Testing xEVs on a Chassis Dynamometer with the Road Load Equivalent to Actual Driving Conditions (1st Report) Problems in Chassis Dynamometer Testing Caused by Vehicle Losses in xEVs

xEVの実走行状態を台上で再現する走行抵抗決定方法の要件の検討（第1報）xEVにおける車両ロスの現状と台上評価における課題

Delivery: Available on this site

Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20266011

Paper/Info type: Proceedings (Autumn)

No.95-26

Pages: 1-6(Total 6 p)

Date of publication: Oct 2026

Publisher: JSAE

Language: Japanese

Event: 2026 JSAE Annual Congress (Autumn)

Detailed Information

Author(J)	1) 鈴木央一, 2) 井上勇, 3) 古田智信, 4) 広瀬翼, 5) 中手紀昭
Author(E)	1) Hisakazu Suzuki, 2) Isamu Inoue, 3) Tomonobu Furuta, 4) Yoku Hirose, 5) Noriaki Nakate
Affiliation(J)	1) 自動車技術総合機構, 2) 小野測器, 3) 明電舎, 4) 堀場製作所, 5) 日本自動車輸送技術協会
Affiliation(E)	1) NALTEC, 2) Ono Sokki, 3) MEIDENSHA, 4) HORIBA, 5) JATA
Abstract(J)	電動車では，クラッチがなく惰行時に原動機が連れ回るため車両ロスが非連続に変化するものがあるのに対し，台上での負荷設定時にはこれを近似式に合わせこんで対応している．この点はシャシダイナモ試験法分科会で目指す台上での実路走行の再現向けて改善の余地があると考え，本報では現状と問題意識について提起する． Translation
Abstract(E)	In electric vehicles, the absence of a clutch and the motor rotating during coasting can lead to discontinuous changes in vehicle losses. However, this is currently addressed by using an approximate formula when setting the road load on the chassis dynamometer. This point requires improvement to achieve the goal of reproducing actual road driving on the chassis dynamometer, as outlined in the Chassis Dynamometer Testing Method Subcommittee. This report presents the current status and concerns regarding this issue.

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