最船的車? - Toyota
By Susan
at 2020-11-05T10:26
at 2020-11-05T10:26
Table of Contents
底盤特性可以透過台架試驗取得K&C
K是kinematics:懸吊連桿等機構運動特性
C是compliance:連桿或襯套的彈性變形
AB Dynamics的設備SPMM 5000
https://i.imgur.com/Bw32E0a.jpg
SPMM就是suspension parameter measurement machine的縮寫
中央的pad夾持住底盤
各輪子在獨立的pad上,由六分力計施加負載(受力)
標準的測試項目
(1) Vertical Bounce
(2) Roll
(3) Longitudinal Compliance
(4) Lateral Compliance (in phase/anti-phase)
(5) Aligning Torque Compliance (in phase/anti-phase)
(6) Steering Kinematics
透過以上一系列負載工況
根據受力條件
以及底盤、輪子觸地點、輪心(拉線式量測位移)三者的相對位移/角度變化
就能得到數十條K&C曲線,確認該輛車底盤特性
以側傾項目為例
SPMM Roll Tests
https://www.youtube.com/watch?v=2skO-xuvHvo
最後會輸出N條曲線
車體側傾角度 & 左輪垂直力
https://i.imgur.com/nwIBs9T.jpg
車體側傾角度 & 左輪toe角
https://i.imgur.com/JorO2fV.jpg
一台車的側傾主要取決於避震器阻尼和防傾桿
※ 引述《Jimmy540i (Jimmy)》之銘言:
: 大家都說rav4 rx很船
: 其實我做了還好
: 比歐洲車的底盤差了點晃了點
: 但說真的沒差多少
: 今天搭朋友的ix35
: 真的見識到了...
: 平路都轉彎都晃到不行
: 市區就想吐了
: 大家做過最船的是哪台呢?
推 acn88205 : rav4 我沒想過60公里這個速度 過休息站 國道變換路11/05 04:45
→ acn88205 : 線的轉圈圈會側頃到快要翻車的感覺11/05 04:45
推 amou1030 : RAV4代跟貨車一樣,連駕駛都暈了11/05 08:08
→ amou1030 : 你去開開tucson,就知道什麼叫做歐洲底盤11/05 08:09
→ mixmix : 鄉民跟車瓶捧的跟神一樣的tnga 會暈?11/05 08:48
→ segio : 神船不是新聞.反正神船只打妥善率和銷售為賣點.11/05 09:49
→ segio : 船不船的.那只是你信仰不夠而已.我大神牌NO.111/05 09:50
忍不住要吐槽一下
TOYOTA和Hyundai這兩家車廠的休旅車:RAV4和IX35(或Tucson)
底盤架構同樣是前麥花臣後四連桿(Toe連桿、縱臂、下臂、上臂)
兩者的車輛MBD模型可以套用一樣的模板
前防傾桿還很剛剛好的都是25mm,厚度也相近
(甚至可以把IX35的某些參數直接套用到RAV4動態模型上)
講白了TOYOTA和Hyundai這兩家底盤設定會互相參考
所以推文把一個講的很晃,一個講成歐洲底盤.....XD
--
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