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- 저자 : Muhammad Mahbubur Rashid (검색결과 3 건)
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Recent developments of regenerative magnetorheological (RMR) damper: A review
Sakib Muhammad Mohtasim,Rubel Ahammed,Md. Mahfujur Rahman,Md Mahbubur Rashid,Rupal Roy,Abdul Aziz 한국유변학회 2021 Korea-Australia rheology journal Vol.33 No.3
Magnetorheological (MR) dampers are becoming popular smart devices with controllable higher damping properties. This paper presents an inclusive review of energy harvesting MR dampers. The classifications of energy harvesting MR dampers, operating principles, structural design, mathematical models, fluid models, experimental investigation, and applications are classified and reviewed. The regenerative MR dampers have self-power capability, and self-sensing capability to control higher performance and it is an important feature of regenerative MR dampers. The review indicates that regenerative MR dampers have enough power generation capacity to power MR dampers and higher damping performances. It has been found that a single-ended monotube regenerative MR (RMR) damper has maximum power generation capabilities than other RMR dampers.
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Design and modeling of energy generated magneto rheological damper
R. Ahamed,Muhammad Mahbubur Rashid,Md Meftahul Ferdaus,Hazlina Md. Yusof 한국유변학회 2016 Korea-Australia rheology journal Vol.28 No.1
In this paper an energy generated mono tube MR damper model has been developed for vehicle suspension systems. A 3D model of energy generated MR damper is developed in Solid Works electromagnetic simulator (EMS) where it is analyzed extensively by finite element method. This dynamic simulation clearly illustrates the power generation ability of the damper. Two magnetic fields are induced inside this damper. One is in the outer coil of the power generator and another is in the piston head coils. The complete magnetic isolation between these two fields is accomplished here, which can be seen in the finite element analysis. The induced magnetic flux densities, magnetic field intensities of this damper are analyzed for characterizing the damper’s power generation ability. Finally, the proposed MR damper’s energy generation ability was studied experimentally.
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Mohammad Meftahul Ferdaus,Muhammad Mahbubur Rashid,Muhammad Hasibul Hasan,Mohammed Ataur Rahman 대한기계학회 2014 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.28 No.9
Magnetorheological (MR) damper is one of the most advanced applications of semi active damper in controlling vibration. Due to itscontinuous controllability in both on and off state its practice is increasing day by day in the vehicle suspension system. MR damper’sdamping force can be controlled by changing the viscosity of its internal magnetorheological fluids (MRF). But still there are some problemswith this damper such as MR fluid’s sedimentation, optimal design configuration considering all components of the damper. In thispaper both 2-D Axisymmetric and 3-D model of MR Damper is built and finite element analysis is done for design optimization. Differentconfigurations of MR damper piston, MR fluid gap, air gap and Dampers housing are simulated for comparing the Dampers performancevariation. From the analytical results it is observed that among different configurations single coil MR damper with linear plastic airgap, top and bottom chamfered piston end and medium MR fluid gap shows better performance than other configurations by maintainingthe same input current and piston velocity. Further an experimental analysis is performed by using RD-8041-1 MR Damper. These resultsare compared with the optimized MR Damper’s simulation results, which are clearly validating the simulated results.
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