Acta Armamentarii

Design of a Full-Length Effective Automotive Magnetorheological Damper with magnetically Conductive Ring of Trapezoidal Cross Section

WUHuan;LIYinong;ZHANGZhida;ZHANGZiwei;PUHuayan;LUOJun

Acta Armamentarii, 2023, 44(1): 61-73. DOI: 10.12382/bgxb.2021.0731

减振性能指标	普通 MRD	新型全通道有效MRD	衰减率/ %
簧上质量加速度/(m·s^-2)	0.3083	0.2420	21.51
轮胎动变形/m	0.0070	0.0069	1.43

Table 5 Root mean square value of vibration damping performance indicator

Other figure/table from this article

Table 3 Comparison of damping characteristics
Fig.5 Diagram of magnetic field line distribution
Fig.7 Diagram of magnetic field intensity distribution
Fig.8 Comparison of magnetic induction intensity at magnetically conductive ring of the full-length effective MRD
Fig.9 Comparison of magnetic field intensity at the damping channel of the five types of MRD
Table 2 Mean magnetic field intensity at the damping channel of the five types of MRD
Fig.10 Machining and assembly drawings
Fig.11 Test equipment of damping characteristics
Fig.12 Damping characteristic curve at peak speed 0.1m/s
Fig.13 Damping characteristic curve at peak speed 0.3m/s
Fig.14 Damping characteristic curve at peak speed 0.6m/s
Fig.1 Diagram of Full-length effective MRD structure with magnetically conductive ring of trapezoidal cross section
Fig.2 Sectional view of the piston structure of the new full-length effective MRD
Fig.3 Sketch of piston section
Fig.4 Diagram of conventional MRD’s piston section
Fig.6 Diagram of magnetic induction intensity distribution
Fig.15 Two-degree-of-freedom 1/4 vehicle model
Table 4 Parameters of vehicle model
Fig.16 Time domain response of sprung mass acceleration
Fig.17 Time domain response of tire dynamic deformation
Fig.18 Frequency domain response of sprung mass acceleration
Fig.19 Frequency domain response of tire dynamic deformation
Table 1 Dimensions of the new full-length effective MRD’s pistonmm