馬自達說新一代Mazda3降噪手段更厲害了 - 汽車
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By Ida
at 2018-11-30T17:20
at 2018-11-30T17:20
Table of Contents
原文連結:
https://tw.lifestyle.appledaily.com/gadget/realtime/20181130/1475807/
Apple Daily
原文內容:
【新車新技解析】馬自達說新一代Mazda3降噪手段更厲害了
出版時間:2018/11/30 16:12
根據馬自達對人體的研究,新Mazda3的降噪開發重點放在直接影響客艙乘員的三個聲音特
性:音量、音調、音波。由此再根據音量、音調、音波隨時間的變化,以及聲音產生的方
向去抑制噪音產生、或者減小其音量,控制好聲音的波動和方向之後,就能實現「安靜」
的艙室環境。
實際的作法上,新Mazda3車室內採用所謂的「雙壁」結構,也就是在車體和地毯之間所留
出空間上作文章。把地毯那端和車體這端視為兩面牆,然後在這之間設計附著在地毯上的
纖維材料,在不增加重量的情況下提高消音的效率,然後盡可能減少地毯上的孔數,以顯
著增強隔音效果。
而頂篷和地墊上增加的吸音功能後可有效抑制高頻噪音外,一開始處理道路傳遞上來的噪
音方面則是著重在最小化噪音和振動。第一步針對輪胎優化,也就是輪胎採較軟材質胎壁
來降低垂直彈跳,達到抑制初期路面的震動,但這個「柔化」的比例很重要,否則胎壁的
支撐剛性不夠反而會拖累操控,現在馬自達的參數是將之軟化10%,此舉會讓輪胎分子之
間的排列變得較寬,此時摩擦係數熱量、滑移角就會減少,以便達到震動能量、聲噪的前
期抑制。但此時觸地負重卻也會因此增加,此時觸地負重增加所引起的副作用就交給和
GVC(G力導引控制系統)、懸吊架構去做分擔、消弭。
輪胎卸掉一部分的垂直彈跳能量後,簧下能量這時就來到懸吊臂上。這時「柔化」態度便
要轉成「剛強」,新馬3做法是把「懸吊臂上角度擴大」,便可以盡早增加垂直彈跳的輸
入,把力道做一個引導、讓能量盡量往裡、往車身中間走,靠著較多又集中車身結構去做
分散、消弭,這樣車輪、車身就不會有明顯的擺動。有助於防止不必要的振動傳遞到駕駛
室。(陳宏銘/綜合報導)
心得/說明:
所以國產車會越來越難生存
投入成本在降噪和制震, 只會讓車價更高更難賣
看來進口車優勢更強
--
https://tw.lifestyle.appledaily.com/gadget/realtime/20181130/1475807/
Apple Daily
原文內容:
【新車新技解析】馬自達說新一代Mazda3降噪手段更厲害了
出版時間:2018/11/30 16:12
根據馬自達對人體的研究,新Mazda3的降噪開發重點放在直接影響客艙乘員的三個聲音特
性:音量、音調、音波。由此再根據音量、音調、音波隨時間的變化,以及聲音產生的方
向去抑制噪音產生、或者減小其音量,控制好聲音的波動和方向之後,就能實現「安靜」
的艙室環境。
實際的作法上,新Mazda3車室內採用所謂的「雙壁」結構,也就是在車體和地毯之間所留
出空間上作文章。把地毯那端和車體這端視為兩面牆,然後在這之間設計附著在地毯上的
纖維材料,在不增加重量的情況下提高消音的效率,然後盡可能減少地毯上的孔數,以顯
著增強隔音效果。
而頂篷和地墊上增加的吸音功能後可有效抑制高頻噪音外,一開始處理道路傳遞上來的噪
音方面則是著重在最小化噪音和振動。第一步針對輪胎優化,也就是輪胎採較軟材質胎壁
來降低垂直彈跳,達到抑制初期路面的震動,但這個「柔化」的比例很重要,否則胎壁的
支撐剛性不夠反而會拖累操控,現在馬自達的參數是將之軟化10%,此舉會讓輪胎分子之
間的排列變得較寬,此時摩擦係數熱量、滑移角就會減少,以便達到震動能量、聲噪的前
期抑制。但此時觸地負重卻也會因此增加,此時觸地負重增加所引起的副作用就交給和
GVC(G力導引控制系統)、懸吊架構去做分擔、消弭。
輪胎卸掉一部分的垂直彈跳能量後,簧下能量這時就來到懸吊臂上。這時「柔化」態度便
要轉成「剛強」,新馬3做法是把「懸吊臂上角度擴大」,便可以盡早增加垂直彈跳的輸
入,把力道做一個引導、讓能量盡量往裡、往車身中間走,靠著較多又集中車身結構去做
分散、消弭,這樣車輪、車身就不會有明顯的擺動。有助於防止不必要的振動傳遞到駕駛
室。(陳宏銘/綜合報導)
心得/說明:
所以國產車會越來越難生存
投入成本在降噪和制震, 只會讓車價更高更難賣
看來進口車優勢更強
--
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By James
at 2019-05-18T20:36
at 2019-05-18T20:36
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By Freda
at 2019-05-22T11:09
at 2019-05-22T11:09
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By Kristin
at 2019-05-24T08:05
at 2019-05-24T08:05
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By Hazel
at 2019-05-24T16:49
at 2019-05-24T16:49
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By Franklin
at 2019-05-27T06:50
at 2019-05-27T06:50
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By Quanna
at 2019-06-01T01:48
at 2019-06-01T01:48
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By Gary
at 2019-06-03T02:15
at 2019-06-03T02:15
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By Belly
at 2019-06-03T06:15
at 2019-06-03T06:15
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By Suhail Hany
at 2019-06-03T20:59
at 2019-06-03T20:59
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By Doris
at 2019-06-06T17:59
at 2019-06-06T17:59
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By Andrew
at 2019-06-09T14:23
at 2019-06-09T14:23
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By Caroline
at 2019-06-09T21:36
at 2019-06-09T21:36
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By Adele
at 2019-06-11T20:14
at 2019-06-11T20:14
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By Todd Johnson
at 2019-06-13T16:00
at 2019-06-13T16:00
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By Faithe
at 2019-06-16T09:37
at 2019-06-16T09:37
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By Cara
at 2019-06-19T07:26
at 2019-06-19T07:26
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By Lucy
at 2019-06-20T06:03
at 2019-06-20T06:03
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By Delia
at 2019-06-20T23:33
at 2019-06-20T23:33
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By Skylar Davis
at 2019-06-21T13:03
at 2019-06-21T13:03
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By Olivia
at 2019-06-21T18:25
at 2019-06-21T18:25
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By Sierra Rose
at 2019-06-26T09:17
at 2019-06-26T09:17
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By Zora
at 2019-06-27T17:01
at 2019-06-27T17:01
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By Oscar
at 2019-06-27T20:18
at 2019-06-27T20:18
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By George
at 2019-06-29T23:56
at 2019-06-29T23:56
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By Rebecca
at 2019-06-30T22:10
at 2019-06-30T22:10
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By Brianna
at 2019-07-01T08:05
at 2019-07-01T08:05
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By Oscar
at 2019-07-02T01:24
at 2019-07-02T01:24
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By Ula
at 2019-07-02T04:14
at 2019-07-02T04:14
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By Oscar
at 2019-07-04T10:09
at 2019-07-04T10:09
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By Annie
at 2019-07-05T18:11
at 2019-07-05T18:11
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By Rebecca
at 2019-07-10T04:03
at 2019-07-10T04:03
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By Adele
at 2019-07-12T09:46
at 2019-07-12T09:46
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By Emily
at 2019-07-13T14:43
at 2019-07-13T14:43
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By Lauren
at 2019-07-14T15:24
at 2019-07-14T15:24
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By Elizabeth
at 2019-07-16T04:51
at 2019-07-16T04:51
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By Kama
at 2019-07-20T16:14
at 2019-07-20T16:14
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By Jake
at 2019-07-25T14:58
at 2019-07-25T14:58
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By Michael
at 2019-07-27T04:01
at 2019-07-27T04:01
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By Necoo
at 2019-07-31T00:06
at 2019-07-31T00:06
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By Candice
at 2019-07-31T08:16
at 2019-07-31T08:16
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By Heather
at 2019-08-03T06:16
at 2019-08-03T06:16
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By Iris
at 2019-08-07T03:13
at 2019-08-07T03:13
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By Lily
at 2019-08-09T00:51
at 2019-08-09T00:51
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By Zenobia
at 2019-08-13T01:11
at 2019-08-13T01:11
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By Elizabeth
at 2019-08-14T17:23
at 2019-08-14T17:23
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By Puput
at 2019-08-18T22:33
at 2019-08-18T22:33
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By Eden
at 2019-08-23T00:32
at 2019-08-23T00:32
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By Xanthe
at 2019-08-24T22:05
at 2019-08-24T22:05
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By Puput
at 2019-08-28T17:49
at 2019-08-28T17:49
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