General presentation

騒音・振動の改善技術（１）

Fri. Jul 9, 2021 9:15 AM - 10:15 AM Web room 1 (Webex)

Chair:Yosuke Tanabe(Hitachi, Ltd.)

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[webex] セッションのオンライン参加

9:15 AM - 9:30 AM

[114] Ride Comfort Control System for Ultra-Compact Mobility

Fundamental Consideration on Estimation for Psychological States by Multiple Regression Analysis

〇Takahiro Ohta¹, Keigo Ikeda¹, Ayato Endo², Hideaki Kato³, Takayoshi Narita³ (1. 東海大学大学院、2. 福岡工業大学、3. 東海大学)

9:30 AM - 9:45 AM

[115] Questionnaire Survey on Vibration Patterns for Driving Assistant System Generated in a Chair with Built-in Vibrator

〇Takeshi Kawashima¹ (1. 神奈川工科大学)

9:45 AM - 10:00 AM

[116] Development of Steer-by-Wire System for Ultra-Compact Electric Vehicle

Burden evaluation for Steering Reaction Torque Using Muscle Activity

〇Daigo Uchino¹, Shugo Arai ¹, Takamasa Hirai¹, Hideaki Kato², Narita Takayoshi² (1. 東海大学大学院、2. 東海大学)

10:00 AM - 10:15 AM

[117] Acoustic field control for region separation by multiple sound sources

〇Akira Miki¹, Shinya Kijimoto¹, Yosuke Koba², Satoshi Ishikawa¹, Toshio Inoue³, Xun Wang³ (1. 九州大学大学院、2. 九州大学工学部、3. 本田技術研究所)

General presentation

騒音・振動の改善技術（２）

Fri. Jul 9, 2021 10:30 AM - 11:45 AM Web room 1 (Webex)

Chair:Kenichiro Nagai(Japan Aerospace Exploration Agency)

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[webex] セッションのオンライン参加

10:30 AM - 10:45 AM

[118] Investigation on Acoustic Duct with Reflected Sound Control Structure

〇Satoshi Tabuchi¹, Ichiro Yamagiwa¹ (1. （株）神戸製鋼所)

10:45 AM - 11:00 AM

[119] An attempt to control the sound pressure and the directivity of propagating sound with fractal structures

〇Kota Nagaoka¹, Osamu Terashima¹ (1. 富山県立大学)

11:00 AM - 11:15 AM

[120] A study for alternative technique of aerodynamic noise reduction method of pantograph head support by applying porous material

〇Takeshi Mitsumoji¹, Hiromasa Hirakawa¹, Mariko Akutsu¹, Shigeyuki Kobayashi¹, Yusuke Wakabayashi² (1. 公益財団法人鉄道総合技術研究所、2. 東日本旅客鉄道株式会社)

11:15 AM - 11:30 AM

[121] Passive noise control of the flow-induced noise caused by the separating flow using porous materials

Relationship between the acoustic transmission loss of the porous materials and its noise reduction effect

〇Reon Nishikawa¹, Osamu Terashima¹, Ayumu Inasawa², Toshiro Miyajima¹ (1. 富山県立大学、2. 東京都立大学)

11:30 AM - 11:45 AM

[122] Relation between Acoustic Absorption Performance of Perforated Plate and Flow Field

〇Soma Ishikawa¹, Hiromitsu Hamakawa¹, Eru Kurihara¹, Hidechito Hayashi² (1. 大分大学、2. 長崎大学)

General presentation

騒音・振動の改善技術（３）

Fri. Jul 9, 2021 1:15 PM - 2:15 PM Web room 1 (Webex)

Chair:Yasushi Takano(Kyoto University)

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[webex] セッションのオンライン参加

1:15 PM - 1:30 PM

[123] Interior acoustic control system of ultra-compact mobility

Fundamental consideration on comfortable evaluation for sound signal

〇Hiroya Nakayama¹, Takuya Kitamura¹, Humiya Maehara¹, Taro Kato¹, Hideaki Kato², Takayoshi Narita² (1. 東海大学大学院、2. 東海大学)

1:30 PM - 1:45 PM

[124] A basic study on masking for interior acoustic control

Effect of masking on psychological state of passenger

〇Takuya Kitamura¹, Fumiya Maehara¹, Hiroya Nakayama¹, Taro Kato¹, Hideaki Kato², Takayoshi Narita² (1. 東海大学大学院、2. 東海大学)

1:45 PM - 2:00 PM

[125] Experimental Verification of Vibration Control by Elimination of the Natural Frequency Component

Application to the System with Uncertainty in Natural Frequency

〇Kai Kurihara¹, Takahiro Kondou², Hiroki Mori², Kenichiro Matsuzaki³, Nobuyuki Sowa² (1. 神奈川大学、2. 九州大学、3. 鹿児島大学)

2:00 PM - 2:15 PM

[126] Sound Quality Simulation by Noise Generating Factors of the Gear System

〇Chengfeng Pu¹, Takeshi toi² (1. 中央大学大学院、2. 中央大学)

Sessions

Noise and vibration control technology » Improvement technology of noise and vibration

騒音・振動の改善技術（１）

[webex] セッションのオンライン参加

[114] Ride Comfort Control System for Ultra-Compact Mobility

Fundamental Consideration on Estimation for Psychological States by Multiple Regression Analysis

[115] Questionnaire Survey on Vibration Patterns for Driving Assistant System Generated in a Chair with Built-in Vibrator

[116] Development of Steer-by-Wire System for Ultra-Compact Electric Vehicle

Burden evaluation for Steering Reaction Torque Using Muscle Activity

[117] Acoustic field control for region separation by multiple sound sources

騒音・振動の改善技術（２）

[webex] セッションのオンライン参加

[118] Investigation on Acoustic Duct with Reflected Sound Control Structure

[119] An attempt to control the sound pressure and the directivity of propagating sound with fractal structures

[120] A study for alternative technique of aerodynamic noise reduction method of pantograph head support by applying porous material

[121] Passive noise control of the flow-induced noise caused by the separating flow using porous materials

Relationship between the acoustic transmission loss of the porous materials and its noise reduction effect

[122] Relation between Acoustic Absorption Performance of Perforated Plate and Flow Field

騒音・振動の改善技術（３）

[webex] セッションのオンライン参加

[123] Interior acoustic control system of ultra-compact mobility

Fundamental consideration on comfortable evaluation for sound signal

[124] A basic study on masking for interior acoustic control

Effect of masking on psychological state of passenger

[125] Experimental Verification of Vibration Control by Elimination of the Natural Frequency Component

Application to the System with Uncertainty in Natural Frequency

[126] Sound Quality Simulation by Noise Generating Factors of the Gear System