低脱态粘性转矩和高开态制动转矩的磁流变制动器：设计与实验验证

IF 2.5 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Magnetism and Magnetic Materials Pub Date : 2025-05-11 DOI:10.1016/j.jmmm.2025.173171

Rakesh Kumar Singh, Chiranjit Sarkar

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引用次数: 0

摘要

磁流变制动器主要面临着失态粘滞转矩问题。由于这个转矩，在非制动运行期间由于转子的旋转而消耗更多的功率，而这个周期在任何汽车或任何机械中一般都更多。除此之外，糟糕的制动性能是另一个问题。因此，为了提高制动性能，本研究设计了一种可在剪切模式和剪切加压缩模式下工作的磁流变鼓式制动器。为了尽量减少非稳态粘性转矩，在目前的磁流变制动器的制动蹄片中放置了一些小的永磁体。进行了磁场和粒子跟踪模拟。再次，在二三轮制动惯量测功机上对所提出的磁流变鼓式制动器进行了试验，并对其制动性能进行了研究。磁体的使用不仅降低了磁流变制动器的失态粘性转矩，而且有助于提高磁流变制动器的制动性能。

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Magnetorheological brake with low off-state viscous torque and high on-state braking torque: Design and experimental validation

Magnetorheological (MR) brakes majorly face the problem of off-state viscous torque. Due to this torque, more power is consumed due to the rotation of the rotor during the non-braking operation period, and this period is generally more in any automobile or any machinery. Besides that, poor braking performance is another problem. Hence, in the present study, to improve the braking performance, an MR drum brake has been designed which can operate in shear mode and shear plus compression mode. To minimize the off-state viscous torque, some small permanent magnets have been placed in the brake shoes of the present MR brake. The magnetic field and particle tracing simulations have been performed. Again, the proposed MR drum brake has been tested on two–three wheelers brake inertia dynamometer, and its braking performance has been studied in the present study. The use of magnets not only reduces the off-state viscous torque but also helps in enhancing the braking performance of MR brake.

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来源期刊

Journal of Magnetism and Magnetic Materials 物理-材料科学：综合

CiteScore

5.30

自引率

11.10%

发文量

1149

审稿时长

59 days

期刊介绍： The Journal of Magnetism and Magnetic Materials provides an important forum for the disclosure and discussion of original contributions covering the whole spectrum of topics, from basic magnetism to the technology and applications of magnetic materials. The journal encourages greater interaction between the basic and applied sub-disciplines of magnetism with comprehensive review articles, in addition to full-length contributions. In addition, other categories of contributions are welcome, including Critical Focused issues, Current Perspectives and Outreach to the General Public. Main Categories: Full-length articles: Technically original research documents that report results of value to the communities that comprise the journal audience. The link between chemical, structural and microstructural properties on the one hand and magnetic properties on the other hand are encouraged. In addition to general topics covering all areas of magnetism and magnetic materials, the full-length articles also include three sub-sections, focusing on Nanomagnetism, Spintronics and Applications. The sub-section on Nanomagnetism contains articles on magnetic nanoparticles, nanowires, thin films, 2D materials and other nanoscale magnetic materials and their applications. The sub-section on Spintronics contains articles on magnetoresistance, magnetoimpedance, magneto-optical phenomena, Micro-Electro-Mechanical Systems (MEMS), and other topics related to spin current control and magneto-transport phenomena. The sub-section on Applications display papers that focus on applications of magnetic materials. The applications need to show a connection to magnetism. Review articles: Review articles organize, clarify, and summarize existing major works in the areas covered by the Journal and provide comprehensive citations to the full spectrum of relevant literature.