磁流变技术
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磁流变悬架是什么?
Zhong Guo Zhi Liang Xin Wen Wang· 2025-10-16 08:10
Core Insights - The article discusses the importance of suspension systems in vehicles, focusing on their role in enhancing ride comfort and stability during driving. It highlights the evolution of suspension technologies, particularly the introduction of magnetorheological dampers as a significant advancement in this field [2][10]. Suspension Functions - The suspension system is crucial for vehicle stability, comfort, and handling. It typically consists of a combination of dampers and springs, with higher-end models utilizing variable damping and air suspension for improved performance [2][4]. Types of Dampers - The market primarily features passive hydraulic dampers and continuously variable damping dampers, which include electronic control for adjusting damping characteristics. These systems can enhance vehicle performance by adapting to driving conditions [4][10]. Magnetorheological Dampers - Magnetorheological dampers utilize a special fluid containing magnetic particles, allowing for rapid adjustments in damping force in response to an applied magnetic field. This technology enables a quick transition from liquid to a semi-solid state, providing superior damping capabilities [6][8][10]. Advantages of Magnetorheological Technology - Compared to traditional dampers, magnetorheological dampers offer faster response times (up to 1000 adjustments per second) and a broader range of damping force changes. This technology, although invented in the 1840s, gained commercial traction in the early 21st century, with companies like Delphi leading the development [10].
京西智行举办磁流变欧洲网络研讨会
Zhong Guo Jing Ji Wang· 2025-10-10 02:21
Core Insights - Jingxi Zhixing has established a collaborative production network across three continents, positioning itself to supply MagneRide magnetorheological suspension systems in China, Europe, and North America [1] - The company showcased its production capabilities and global collaboration system during a recent online seminar, highlighting the production of its 11 millionth MagneRide damper [1] - Major automotive brands such as Ferrari, Lamborghini, Cadillac, Audi, and Mustang have been sourcing MagneRide systems from Jingxi Zhixing's factories in Poland and Mexico, with applications exceeding 100 vehicle models [1] Group 1 - Jingxi Zhixing's production network includes a focus on its European manufacturing hub in Poland, which was highlighted during the "cloud factory" segment of the seminar [1] - The company aims to promote the widespread adoption of MagneRide technology by leveraging its large-scale manufacturing capabilities in China to optimize costs through economies of scale [1] - The Shenzhen factory's digital production line for magnetorheological dampers commenced operations in March, with the Zhangjiakou factory also set to begin production this year, collectively increasing domestic annual production capacity to 2 million units [1] Group 2 - The recently launched Deep Blue L06 electric long-range laser intelligent coupe features the MagneRide magnetorheological suspension system [2] - The CEO of Deep Blue Automotive emphasized the system's ability to adjust 1,000 times per second, enhancing driving comfort by maintaining clear road feedback while filtering out unnecessary bumps [2]
从超豪华专属到国产大规模量产,京西智行携手深蓝汽车开启“磁流变元年”
Zhong Guo Qi Che Bao Wang· 2025-09-28 03:29
京西智行全球CEO刘喜合介绍,磁流变技术源于1948年一家实验室的发现,其通过磁场控制液态中磁性颗粒的排列状态,可在毫秒级时间内实现液固态 切换,从而迅速调节减震阻尼力。该技术早期主要用于航空与军工领域,首次应用于超豪华车型是2006年搭载于法拉利599 GTB,至今已在全球高端车型上 累计装车超过300万辆。2009年,京西智行前身——由北京国资主导的京西重工收购了德尔福相关业务,全面掌握了磁流变技术核心专利与生产线,但由于 此前技术定位和专利保护等原因,未在中国车型上规模落地。"目前,随着中国管理团队的全面主导,这项技术不再有推广壁垒。"刘喜合表示。 深蓝汽车董事长邓承浩在交流会上透露,其个人对机械控制技术极为痴迷,自2020年起便深入研究磁流变技术,并认定其在响应速度、阻尼调节范围和 可靠性上远超传统液压或电磁阀悬架,并致力于将磁流变技术引入国产车型。为实现这一目标,深蓝汽车从2021年开始启动研发新一代平台,与京西智行合 作,确定了一体化大压铸+磁流变的技术路线,全面提升整车刚性,为磁流变悬架系统释放极致性能奠定基础。邓承浩强调:"我们不是简单移植技术,而 是从系统工程角度重构整车架构。" 日前,京西 ...
汽车悬架生变
汽车商业评论· 2025-08-22 23:07
Core Viewpoint - The Chinese intelligent suspension industry is undergoing a historic transformation with the launch of the magnetic rheological damper (MRD) and magnetic rheological fluid (MRF) production line by Huiding Technology, marking a significant step towards breaking the long-standing foreign monopoly in high-end damping technology [4][6][12]. Group 1: Technological Breakthroughs - Huiding Technology's production line has an annual capacity of 2 million sets, achieving the domestic mass production of two core technologies, which supports the breakthrough of the Chinese automotive industry in the high-end intelligent chassis sector [4][6]. - The magnetic rheological technology, referred to as the "brain of intelligent suspension," allows for real-time adjustment of damping characteristics through changes in magnetic field strength, enabling adaptive regulation of vehicles under different road conditions [4][12]. - The company has developed a fully autonomous technology system, overcoming six major technical challenges, including the stability of magnetic rheological fluid and adaptability to extreme temperatures [12][19]. Group 2: Market Dynamics - The cost of a magnetic rheological suspension system is approximately 12,000 yuan, significantly higher than the 1,200-3,000 yuan cost of comparable CDC systems, which limits its mainstream market penetration [20][23]. - Despite the high costs, the domestic production of magnetic rheological technology is expected to reduce prices to below 8,000 yuan, making it more accessible to a broader consumer base [23][30]. - The market for vehicles equipped with magnetic rheological suspension systems is currently concentrated in the high-end segment, with less than 3% of domestic models featuring this technology as of 2024 [15][18]. Group 3: Future Trends - The anticipated reduction in costs and the increasing consumer awareness of intelligent driving technologies are expected to accelerate the adoption of magnetic rheological systems in the automotive market [30][31]. - A hybrid system combining CDC and magnetic rheological technology is under development, which aims to optimize costs while retaining performance advantages, potentially revolutionizing the market landscape [31][32]. - The intersection of cost curves and demand curves is projected to mark a pivotal moment for magnetic rheological technology, transitioning it from a "technical benchmark" to a "market mainstream" [30][32].
5W功耗实现1046N输出力?中国科大等多校联合研发“超级手部外骨骼”登顶IEEE TRO!
机器人大讲堂· 2025-08-22 04:27
Core Viewpoint - The article discusses the development and potential applications of a new wearable hand exoskeleton robot, MRHE, which significantly enhances grip strength and endurance while reducing fatigue during high-load tasks [1][3][6]. Group 1: Technology and Innovation - The MRHE system, developed by a collaborative team from Chinese University of Science and Technology and the University of Wollongong, utilizes magnetorheological (MR) actuators to improve hand grip strength and endurance without relying on external power sources [3][5]. - The MR actuator can output a maximum force of 1046N with only 5W of power consumption, achieving a force-to-power ratio that is an order of magnitude better than existing technologies [5][12]. - The system can provide a maximum assistive force of 788N for the entire hand, significantly enhancing the user's grip capabilities [5][25]. Group 2: Performance Testing and Results - Experimental results indicate that the MRHE can increase grip strength by an average of 85.8N, which is 41.8% higher than without the device, demonstrating its effectiveness in enhancing grip without external energy consumption [22][30]. - In endurance tests, participants wearing MRHE showed a 60% reduction in grip strength loss and doubled their endurance time in hanging challenges, indicating a substantial improvement in muscle fatigue management [24][25][27]. - The MRHE has shown promising results in simulated rescue scenarios, allowing users to move heavy objects more easily while reducing muscle exertion by 52% [27][28]. Group 3: Design and Components - The MRHE consists of six main components, including the MR actuator, power management board, force transmission linkages, and a lightweight exoskeleton structure designed for user comfort and efficiency [13][16]. - The innovative design of the MR actuator incorporates a ball screw mechanism and MR bearings, optimizing the conversion of rotational motion to linear motion while maintaining low energy consumption [9][11]. - The system's control mechanism allows for seamless switching between grip enhancement and endurance support based on user intent, showcasing its adaptability for various applications [20][21].