• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Development of an active noise controlled exhuast system for Diesel engine using motional feedback

Research Project

Project/Area Number 04555095
Research Category

Grant-in-Aid for Developmental Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 計測・制御工学
Research InstitutionKUMAMOTO UNIVERSITY

Principal Investigator

EBATA Masanao  Kumamoto University, Professor, 工学部, 教授 (40005319)

Co-Investigator(Kenkyū-buntansha) KYONO Noboru  Mitsubishi Electric Co., Manager, マネージャー
NISHIMURA Tsuyoshi  Kumamoto Inst.Tech., Lecturer, 工学部, 講師 (90156109)
WATANABE Akira  Kumamoto University, Professor, 工学部, 教授 (50040382)
USAGAWA Tsuyoshi  Kumamoto University, Assoc.Professor, 工学部, 助教授 (30160229)
Project Period (FY) 1992 – 1994
Project Status Completed (Fiscal Year 1994)
Budget Amount *help
¥10,300,000 (Direct Cost: ¥10,300,000)
Fiscal Year 1994: ¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 1993: ¥2,400,000 (Direct Cost: ¥2,400,000)
Fiscal Year 1992: ¥6,700,000 (Direct Cost: ¥6,700,000)
KeywordsMotional Feedback loudspeaker / Active Noise Control / Anti-pollutive Diesel engine / Active exhaust noise control / DXHS algorithm / Adaptive digital filter / 並列型ディジタルフィルタ
Research Abstract

There are large environmental issues due to Disel engine which is mainly equipped on large vehicles. Conventional methods to reduce noise from Disel are categorized into passive ways suchs as a muffler system and engine cover using absorption materials. These methods are no so effective for lower frequency range, where power level of Disel engine noise is high. This research project aims to develop a new active control system of Diesel engine exhaust noise. Active control system usually requires a microphone and a loudspeaker in exhaust duct, however the proposed system based on motional feedback (MFB) loudspeaker dose not require any microphone so that it is expected to work well under severe condition, such as a high temperature or dusty flow. Also a new adaptive algoritm specialized for harmonic noise is proposed. This new algorithm is named as "Delayd X Harmonic Synthesizer" (DXHS) algorithm. The convergence speed of the DXHS algorithm for harmonic signal is very high and it can converge over 70dB with 50ms for a single sinusoid in computer Simulation. The experiment using actual Diesel engine is also performed and the obtained results show the effectiveness of the proposed system ; about 20dB reduction of noise level for single component and over 15dB for each when two components are controlled simultaneously.

Report

(4 results)
  • 1994 Annual Research Report   Final Research Report Summary
  • 1993 Annual Research Report
  • 1992 Annual Research Report
  • Research Products

    (28 results)

All Other

All Publications (28 results)

  • [Publications] Tsuyoshi Usagawa: "Active control of engine exhaust noise using motional feedback loudspeaker" Proceedings of Recent Advances in Active control of sound and vibration. 1. 837-847 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Tsuyoshi Usagawa: "A new digital filter system specialized for active control of noise -Paralleled digital filter-" Proceedings of InterNoise'93,. I. 755-758 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Tsuyoshi Nishimura: "Correction method of estimated insertion-loss based on the four-pole parameters -Effect of mean flow and temperature gradient-" J. Acoust. Soc. Jpn.(E). 15. 97-105 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Tsuyoshi Nishimura: "Correction method of estimated intertion-loss with flow" Proceedings of WESTPARC V. II. 746-751 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Yoshitaka Nishimura: "Two types of active noise control system using MFB loudspeaker" Proceedings of WESTPARC V. II. 764-769 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Tsuyoshi Usagawa: "Active control of periodic noise using motional feedback" Proceedings of InterNoise'94. III. 1203-1206 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Tsuyoshi Usagawa, Hideo Furukawa, Yoshitaka Nishimura & Masanao Ebata: ""Active control of engine exhaust noise using motional feedback loudspeaker"" Proceedings of Recent Advances in Active control of sound and vibration. I. 837-847 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Tsuyoshi Usagawa, Hideo Furukawa & Masanao Ebata: ""A new digital filter system specialized for active control of noise-Paralleled digital filer-"" Proceedings of InterNoise'93. I. 755-758 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Tsuyoshi Nishimura, Tsuyoshi Usagawa & Masanao Ebata: ""Correction method of estimated insertion-loss based on the four-pole parameters-Effect of mean flow and temperature gradient-"" J.Acoust.Soc.Jpn.(E). 15. 97-105 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Tsuyoshi Nishimura, Tsuyoshi Usagawa & Masanao Ebata: ""Correction method of estimated intertion-loss with flow"" Proceedings of WESTPARC V. II. 746-751 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Yoshitaka Nishimura, Yasuyuki Shimada, Tsuyoshi Usagawa & Masanao Ebata: ""Two types of active noise control system using MFB loudspeaker"" Proceedings of WESTPARC V. II. 764-769 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] Tsuyoshi Usagawa, Yasuyuki Shimada & Masano Ebata: "Active control of periodic noise using motional feedback"" Proceedings of InterNoise'94. III. 1203-1206 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] 西村 強: "Correction method of estimated insertion-loss with flow" Proc.WESTPARC V. II. 746-751 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] 西村 義隆: "Two types of active noise control system using MFB loudspeaker" Proc.WESTPARC V. II. 764-769 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] 宇佐川 毅: "Active control of periodic noise using motional feedback" Proc.Inter Noise '94. III. 1203-1206 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] 西村 強: "Correction method of estimated insertion-loss based on the fourpole parameters -Effect of mean flow and temperature gradient-" J.Acoust.Soc.Jpn.(E). 15. 97-105 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] 嶋田 泰幸: "複合正弦波による特定高調波の能動制御" 電子情報通信学会技術報告. EA94. 55-61 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] 安陪 夏樹: "ディーゼルエンジン排気音の能動制御" 平成6年度電気関係学会九州支部連合会大会論文集. 1. 72 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] Tsuyoshi Usagawa,et al: "Active Control of Engine Exhaust Noise Using Motional Feedback Loudspeaker" Proceedings of 2nd Recent Adrances in Active Control of Sound and Vibration. 1. 837-847 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] Tsuyoshi Usagawa,et al: "A New Digital Filter System Specialezed for Active Control of Noise" Proceedings of Inter-Noise 93. 2. 755-758 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] 嶋田泰幸他: "MFBラウドスピーカを用いた周期音のアクティブコントロール" 電子情報通信学会応用音響研究会資料. EA93-75. 41-47 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] 嶋田泰幸他: "SFXアルゴリズムによるアクティブコントロール" 平成5年度電気関係学会九州支部連合会大会論文集. 608 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] 古川 英男: "群遅延短縮のための一手法-並列型ディジタルフィルター" 電子情報通信学会技術報告. EA92. 53-59 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 古川 英男: "並列型ディジタルフィルタの収束特性" 平成4年秋季日本音響学会講演論文集. II. 549-550 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 西村 義隆: "MFBシステムを用いた周期音のアクティブ制御" 平成5年春季日本音響学会講演論文集. II. 403-404 (1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] 西村 強: "気流および温度勾配を有する音響管の四端子定数の補正手法" 平成5年春季日本音響学会講演論文集. II. 459-460 (1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] 西村 強: "入出口を有する楕円および円筒空洞の四端子定数" 平成5年春季日本音響学会講演論文集. II. 461-462 (1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] 西村 義隆: "MFB方式を用いたダクト内周期音の消音" 第7回熊本県産学官技術交流会資料集. 89-90 (1993)

    • Related Report
      1992 Annual Research Report

URL: 

Published: 1992-04-01   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi