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Summary & Details

Improvement of the Sensor Response by Modeling

モデル化技術を用いたセンサの高応答化

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Format: PDF

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

Publication code: 20214549

Paper/Info type: Journal of Society of Automotive Engineers of Japan

Vol.75 No.7

Pages: 96-102(Total 7 p)

Date of publication: Jul 2021

Publisher: JSAE

Language: Japanese

Detailed Information

Category(J)	ホットトピックス Translation
Category(E)	Hot Topics
Author(J)	1) 辻本大輔, 2) 安野啓介
Author(E)	1) Daisuke Tsujimoto, 2) Keisuke Yasuno
Affiliation(J)	1) エー・アンド・デイ, 2) エー・アンド・デイ
Abstract(J)	車両に搭載されるセンサはコスト等の制約により，必ずしも十分な応答速度を有しているとは限らない．そこで，まず圧力導管をモデル化しラミナエレメント通過流量の精度向上を図った．さらに，得られた流量をもとに熱線式エアフロメータ及び空燃比センサの伝達関数を求め，逆伝達補正を行うことでセンサの高応答化を図った． Translation
Abstract(E)	Some sensors installed in automobiles are not sufficiently responsive due to cost and durability constraints. Therefore, we first modeled the pressure conduit to improve the accuracy of the flow rate through the laminar flow element. Based on this flow rate, we obtained the transfer functions of the hot wire air flow meter and the air-fuel ratio sensor, respectively. Due to filtering by the transfer functions, the sensor response was improved.

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