磁流變阻尼器以毫秒為單位掃描道路!

磁流变阻尼器以毫秒感應路面! MRC電磁懸吊(磁力阻尼器)強調穩定二字。 相應的凱迪拉克曾推出一系列基於MRC電磁懸吊的奧運廣告,將大滿貫射手和高爾夫、鞍馬運動員聚集在堅如磐石的凱迪拉克CT5上,展開一場有趣的車頂比賽,挑戰高難度的車頂射擊、高爾夫和鞍馬項目。

MRC (Magnetic Ride Control)

MRC(Magnetic Ride Control)電磁懸吊一直是凱迪拉克品牌御用的主動懸吊類型。 與空氣懸吊不同,電磁懸吊仍然採用彈簧提供支撐。 減震器筒內使用的是磁流變液,而不是傳統的液壓油。

磁流變流體的特徵是可以透過電控磁場靈活調節磁流變流體的黏度。 這控制減震器的阻尼。 也就是改變懸掛的軟度。 磁流變液受磁場控制,這使得電磁懸吊最重要的特點是響應速度快。 這使得配備電磁懸吊的車型可以在旅行、運動和賽道駕駛模式之間切換。

磁流變懸浮技術(MRC)的特點

事實上,電磁懸吊有一個非常科技化的綽號:磁流變懸吊。 這一切都源自於電磁懸浮所採用的核心技術-磁流變液(MRF)。 它於1990年代出現在美國。

陸軍為提高作戰車輛的機動性和射擊精度進行了磁流變減震器的研究。 2002年凱迪拉克STS作為第一款配備MRC電磁懸吊的豪華商務轎車投放市場,而2008年CTS-V橫空出世,借助M​​RC的優異表現以7分59秒成為紐約第一北方戰神。 採用MRC電磁懸吊的凱迪拉克CT5是該技術的第四代。

減震器盒上電磁懸浮中心的秘密。 前軸上的減震器與後軸上的減震器略有不同。 然而,電氣控制單元和相應的電纜位於活塞的中間。 磁流變流體是含有非常小的磁性顆粒(3 至 10 微米)的流體。

原始未磁化狀態是自由流動的。 此時黏度較低。 當磁流變流體流經活塞內的電控裝置時,如果電控裝置施加磁場,磁流變流體中的磁性顆粒就會被磁化並規則排列。 此時黏度增加。 電磁懸吊正是基於磁流變效應調節減振器盒的阻尼來控制主動懸吊響應。

磁流變懸吊的優點

MRC電磁主動懸吊能夠透過感測器即時擷取車輛和路面訊息,並以毫秒路感的高頻率控制電磁減震器的阻尼,從而吸收路面的震動,帶來舒適感。的柔軟度和舒適度。 與先前的系列相比,第四代MRC由四個高精度加速度感測器、慣性導引測量單元和改進的阻尼液組成。 第四代MRC提升了與駕駛體驗相關的所有性能,擁有更高解析度、更低遲滯的傳感器、更科學的演算法和更精細的調校,帶來更舒適、更柔軟、更薄的緩震變化的調校能力。

在激進駕駛時,MRC電磁懸吊能夠根據賽道快速為車輛提供充足的支撐,有效抑制車輛的側向晃動,減少重心擺動,過彎更加順暢。 在日常駕駛中,MRC電磁懸吊可以過濾路面的低頻和高頻振動,減少車身彈跳,讓車輛獲得更好的舒適性。


如上圖所示,CDC 主動液壓懸吊透過電子液壓閥智慧調節減震器的軟硬特性,以達到舒適和運動的目的,強調了可調兩個字。 MRC 主動電磁懸吊透過感測器即時擷取車輛和路面訊息,以毫秒級的高頻率感知路面,控制電磁避震器的阻尼,吸收路面的顛簸,帶來平順舒適的感受。

MRC主動電磁懸吊凸顯了穩定二字。 這是 CDC 和 MRC 暫停之間的主要區別。

特斯拉磁流變懸掛

此外,特斯拉 Model 3,Y 已經配備了磁流变悬挂,了解更多詳情請點擊 here

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