Re: [情報] 義大利站山葉引擎折損最新近況
: 推 onenicky: 該不是會今年的ECU放大了各廠引擎的缺點?下一家換誰? 05/24 14:46
: 推 emj7077: 樓上說的也很有可能 05/24 15:09
http://www.motorsport.com/motogp/news/
yamaha-suspects-overrevving-to-blame-for-engine-failures-739881/
縮址 http://goo.gl/SnF9TB
標題: Yamaha suspects overrevving to blame for engine failures
僅摘錄目前推測原因:
大直路顛簸, 後輪失去抓地力導致轉速突然飆高, 新的ECU沒辦法快速反應防止打滑
算是被onenicky兄猜中了.
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05/25 07:46, , 1F
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單純推給ECU不太公平,
車身的重量分配, 懸吊設定,
甚至選不同的胎可能也會影響後輪失去抓地力的程度
(不然怎麼會只有Yamaha兩台遇到, 別家都沒事)
只是, 如果ECU可以更快反應, 更快降低打滑的狀況,
這個問題就有機會避免了
※ 編輯: klb0905 (59.105.201.251), 05/25/2016 07:52:44
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"That, combined with this year's electronics, which are less sophisticated and
precise, probably had an influence in the ignition cut-off," said the source.
我自己看到這段話的感覺是, 新ECU偵測轉速的sample rate大概設太低,
或者處理超轉的handler優先權不夠高, 導致來不及反應.
(所以才會說less sophisticated and precise)
我相信處理超轉的機制跟參數還是一定有的.
(這應該是最基本的事吧?)
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還有 56 則推文
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