Optimum material in body weight reduction for domestic passenger car (1st report, estimating the progress in reducing future domestic passenger car weight)

Translated title of the contribution: Optimum material in body weight reduction for domestic passenger car (1st report, estimating the progress in reducing future domestic passenger car weight)

Yuki Kurihara, Masao Arakawa, Ichiro Hagiwara

Research output: Contribution to journalArticle

Abstract

The concept of vehicle specific gravity has been employed as an indicator for measuring the progress achieved in reducing the weight of transportation equipment. In this paper, to estimate the vehicle specific gravity for 1997 Japanese midsize and compact passenger car, the weight percents of the 22 materials making up the 1997 car are estimated by not only approximate function analysis based on the method of least squares and weight percents of the 22 materials making up from the 1973 to the 1992 cars, but also the trend analysis peculiar to the domestic passenger car. The results show that the weighted average of coefficient of relative correlation depending on 22 approximate functions is 0.96 and the error between an estimated and actual vehicle specific gravity is about 1.3 percent.

Translated title of the contributionOptimum material in body weight reduction for domestic passenger car (1st report, estimating the progress in reducing future domestic passenger car weight)
Original languageJapanese
Pages (from-to)1881-1887
Number of pages7
JournalNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume65
Issue number637
DOIs
Publication statusPublished - 1 Jan 1999

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