Design and Manufacturing Aspects of Magneto-rheological Fluid (MRF) Clutch

Latha, K. Hema; Sri, P. Usha; Seetharamaiah, N.

doi:10.1016/j.matpr.2017.01.175

Cited by 34 publications

(14 citation statements)

References 6 publications

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“…Rizzo et al (2015) mentioned a method for enhancing the MRF clutch transmission torque using eddy current induced in a conducting zone by relative rotation. Latha et al (2017) suggested a fluid coupler-type multi-plate MR clutch for overcoming mechanical friction. Olszak et al (2019) reported the simulation and test results to which friction loss was applied by designing an MRF-added fluid-dynamic clutch.…”

Section: Introductionmentioning

confidence: 99%

Hybrid multi-plate magnetorheological clutch featuring two operating modes: Fluid coupling and mechanical friction

Park

Kim

et al. 2021

Journal of Intelligent Material Systems and Structures

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Recently, there has been a rising demand for high-performance clutches in mechanical systems owing to the development of industrial technologies. This paper, therefore, proposes a hybrid multi-plate Magnetorheological (MR) clutch that has both fluid coupling and mechanical friction modes. To reduce impact when the plates are in contact with each other, a fluid coupler’s operating mode was used at the beginning of the clutch operation. For this, torque modeling in each mode was induced based on the Bingham model of the MRF. Using the induced torque modeling and ANSYS Maxwell’s magnetic field analysis results, the design procedure for a multi-plate clutch was implemented. Based on the design results, a hybrid multi-plate MR clutch was manufactured. Finally, the performance of the manufactured MR clutch was evaluated using a torque tester. The assessment confirmed that the proposed torque modeling and simulation results mostly matched the test results.

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Section: Introductionmentioning

confidence: 99%

Hybrid multi-plate magnetorheological clutch featuring two operating modes: Fluid coupling and mechanical friction

Park

Kim

et al. 2021

Journal of Intelligent Material Systems and Structures

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“…MRF can change its form from liquid to gel and its properties when a magnetic field is applied to it [5]. Its viscosity doubles when subjected to a magnetic field, due to the increase in yield shear stress [6]. MRF has received much attention during the two past decades, as it has huge potential for daily needs application.…”

Section: Introductionmentioning

confidence: 99%

“…For example, MRF can be applied as MR seat suspension [7], MR clutch [6], muscular rehabilitation device [8] and MR dampers [9]. MR dampers are classified as a semi-active damper, as they can control the viscosity of MRF that will affect their stiffness.…”

Section: Introductionmentioning

confidence: 99%

Analytical Approach of a Pure Flow Mode Serpentine Path Rotary Magnetorheological Damper

2020

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This paper has two main goals in the development of a novel flow-mode magnetorheological brake (MRB): (1) produce a mathematical model of a flow-mode MRB and (2) predict the torque density of the proposed MRB compared to the other type of MRB. In this design, the flow mode MRB is made by screw pump to make the Magnetorheological Fluid (MRF) flow through the radial and annular channel. The serpentine path flux is developed in the proposed MRB to make the annular channel an active region as well. With the proposed design concept, the work of a pure flow-mode serpentine path MRB can be accomplished. In this study, Finite Element Method Magnetics (FEMM) is used to calculate the magnetic field applied to the active regions and analytical approach used to obtain the output damping torque. The simulation results show that the magnetic fluxes flow through the radial channel and annular channel as well. The radial and annular channel is activated, which led to higher output damping torque. The mathematical modelling shows that the helical angle of the screw pump significantly affects the damping torque. The results show that the output damping torque density can be adjusted from 42.18 N/mm2 in the off-state with 0 rpm to around 40,518.96 N/mm2 at 20 rpm. The torque density of the proposed MRB is higher than the shear mode MRB.

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“…It is also safe and reliable with low energy consumption and stable temperature (Liao et al, 2002). The unique rheological properties of MRF have attracted wide research interests in various applications, such as in the automotive industry (Edward et al, 2008;Shiao and Nguyen, 2014;Hema et al, 2017), precision polishing (Jang et al, 2010;Anwesa and Manas, 2018;Luo et al, 2018) and buildings (Luu et al, 2014;Ha et al, 2018;Christie et al, 2019). One of the most popular applications is the MR damper which replaced the hydraulic oil with the MRFs in the cylinder of the conventional damper.…”

Section: Introductionmentioning

confidence: 99%

“…Compared to conventional hydraulic damper, the damping stiffness of MR damper can be changed using an embedded control system, which can produce a controllable magnetic field intensity by the coil placed on the piston. The MR damper was widely used in many fields, such as vehicle suspension systems Yu et al, 2017;Anwesa and Manas, 2018), clutches (Hema et al, 2017;Topcu et al, 2018), bridges and buildings (Mohammad and Amir, 2018) and the control systems for MR damper have been researched (Kang et al, 2018;Pang et al, 2018), by using control system, the damper can be easily controlled.…”

Section: Introductionmentioning

confidence: 99%

Design and Modeling for 2D Plate Type MR Damper

Chen

Huang

et al. 2019

Front. Mater.

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A two-dimensional magnetorheological damper is developed for the engineering two-dimensional damping need. The velocity and pressure distribution model of the two-dimensional plate-type damper, and the damping force calculation model are established based on the Navier-Stokes equation. Several structural and physical parameters, including the working gap δ, the length a, and the width a of the middle slide plate, are analyzed theoretically. The damping performance of the two-dimensional plate-type magnetorheological damper was evaluated using a two-dimensional vibration test-bed, with the effect of the excitation current analyzed. The experimental results suggest a significant influence of Coulomb damping force on the damping force of magnetorheological damper when using appropriate magnetorheological fluid. As the excitation current increases, the damping force of magnetorheological damper becomes larger while the system amplitude decreases gradually in both directions, a maximum reduction of 2.5956 times. It's confirmed that the design of the two-dimensional plate-type magnetorheological damper is reasonable.

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Design and Manufacturing Aspects of Magneto-rheological Fluid (MRF) Clutch

Cited by 34 publications

References 6 publications

Hybrid multi-plate magnetorheological clutch featuring two operating modes: Fluid coupling and mechanical friction

Hybrid multi-plate magnetorheological clutch featuring two operating modes: Fluid coupling and mechanical friction

Analytical Approach of a Pure Flow Mode Serpentine Path Rotary Magnetorheological Damper

Design and Modeling for 2D Plate Type MR Damper

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