磁流变阻尼器以毫秒为单位扫描道路!

磁流变阻尼器以毫秒感应路面! MRC电磁悬吊(磁力阻尼器)强调稳定二字。相应的凯迪拉克曾推出一系列基于MRC电磁悬吊的奥运广告,将大满贯射手和高尔夫、鞍马运动员聚集在坚如磐石的凯迪拉克CT5上,展开一场有趣的车顶比赛,挑战高难度的车顶射击、高尔夫和鞍马项目。

MRC (Magnetic Ride Control)

MRC(Magnetic Ride Control)电磁悬架一直是凯迪拉克品牌御用的主动悬架类型。 与空气悬架不同,电磁悬架仍然采用弹簧提供支撑。 减震器筒内使用的是磁流变液,而不是传统的液压油。

磁流变流体的特点是可以通过电控磁场灵活调节磁流变流体的粘度。 这控制减震器的阻尼。 也就是改变悬挂的软度。 磁流变液受磁场控制,这使得电磁悬架最重要的特点就是响应速度快。 这使得配备电磁悬架的车型可以在旅行、运动和赛道驾驶模式之间切换。

磁流变悬浮技术(MRC)的特点

事实上,电磁悬架有一个非常科技化的绰号:磁流变悬架。 这一切都源于电磁悬浮所采用的核心技术——磁流变液(MRF)。 它于20世纪90年代出现在美国。

陆军为提高作战车辆的机动性和射击精度开展了磁流变减震器的研究。 2002年凯迪拉克STS作为第一款配备MRC电磁悬架的豪华商务轿车投放市场,而2008年CTS-V横空出世,借助MRC的优异表现以7分59秒成为纽约第一 北方战神。 采用MRC电磁悬架的凯迪拉克CT5是该技术的第四代。

减震器盒上电磁悬浮中心的秘密。 前轴上的减震器与后轴上的减震器略有不同。 然而,电气控制单元和相应的电缆位于活塞的中间。 磁流变流体是含有非常小的磁性颗粒(3 至 10 微米)的流体。

原始未磁化状态是自由流动的。 此时粘度较低。 当磁流变流体流经活塞内的电控装置时,如果电控装置施加磁场,磁流变流体中的磁性颗粒就会被磁化并规则排列。 此时粘度增加。 电磁悬架正是基于磁流变效应调节减振器盒的阻尼来控制主动悬架响应。

磁流变悬架的优点

MRC电磁主动悬架能够通过传感器实时采集车辆和路面信息,并以毫秒路感的高频率控制电磁减震器的阻尼,从而吸收路面的震动,带来舒适感。的柔软度和舒适度。 与之前的系列相比,第四代MRC由四个高精度加速度传感器、惯性制导测量单元和改进的阻尼液组成。 第四代MRC提升了与驾驶体验相关的所有性能,拥有更高分辨率、更低迟滞的传感器、更科学的算法和更精细的调校,带来更舒适、更柔软、更薄的缓震变化的调校能力。

在激烈驾驶时,MRC 电磁悬架能够根据轨迹迅速为车辆提供足够的支撑,有效抑制车辆的横向摇摆,减少重心摆动,使转弯更加平稳。在日常驾驶中,MRC 电磁悬架可过滤路面的低频和高频振动,减少车身弹跳,使车辆获得更好的舒适性。


如上图所示,CDC 主动液压悬架通过电子液压阀智能调节减震器的软硬特性,以达到舒适和运动的目的,强调了可调两个字。MRC 主动电磁悬架通过传感器实时采集车辆和路面信息,以毫秒级的高频率感知路面,控制电磁减震器的阻尼,吸收路面的颠簸,带来平顺舒适的感受。

MRC主动电磁悬架凸显了稳定二字。 这是 CDC 和 MRC 暂停之间的主要区别。

特斯拉磁流变悬挂

此外,特斯拉 Model 3,Y 已经配备了磁流变悬挂,了解更多详情请点击 here

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  14. equilibrado de ejes
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