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Study on Transient Vibration Suppression Method of Vertical Axis Washing Machine
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Xunting YUAN1, 2, Haiwei CHEN1, 2, Jing ZHU1, 2, Yacheng SHI3, Xinjie ZHANG3
Journal of Vibration,Measurement and Diagnosis | 2025, 45(5) : 969 - 975
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Journal of Vibration,Measurement and Diagnosis | 2025, 45(5): 969-975
• PAPER •
Study on Transient Vibration Suppression Method of Vertical Axis Washing Machine
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Xunting YUAN1, 2, Haiwei CHEN1, 2, Jing ZHU1, 2, Yacheng SHI3, Xinjie ZHANG3
Affiliations
  • 1.School of Mechanical Engineering，Jiangnan University　Wuxi，214122，China
  • 2.Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology　Wuxi，214122，China
  • 3.Wuxi Little Swan Electric Appliance Co.，Ltd.　Wuxi，214028，China
Published: 2025-10-01 doi: 10.16450/j.cnki.issn.1004-6801.2025.05.015
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The transient vibration of a vertical axis washing machine is strong in the dehydration process，so a new planar variable damping structure is proposed to reduce the transient vibration. Firstly，the kinetic energy and potential energy of various rigid bodies of the washer are deduced，the generalized forces of the suspension structure are described，the force of the liquid balancer is analyzed，and the vibration model of the vertical axis washing machine is established using Lagrange's equation. The working principle of the planar damping structure is explored，its damping force is described and its suppression effect on transient vibration of the washer is verified. Secondly，the influence of the planar damping structure on dynamic characteristics of the washer is evaluated，the bifurcation theory is employed to analyze stability of the system. Furthermore，the distributions of the stable regions of the system is analyzed，and the appropriate disengaging speed range of the damping structure is obtained. Finally，the effect of the damping structure for suppressing transient suppression of the washer is validated though experiments，and the appropriate disengaging speed of the structure is analyzed. The results show that the planar damping structure can suppress transient vibrations effectively with little influence on other dynamic characteristics of the washer.

washing machine  /  transient vibration  /  vibration suppression  /  variable damping structure  /  stability analysis
Xunting YUAN, Haiwei CHEN, Jing ZHU, Yacheng SHI, Xinjie ZHANG. Study on Transient Vibration Suppression Method of Vertical Axis Washing Machine[J]. Journal of Vibration,Measurement and Diagnosis, 2025 , 45 (5) : 969 -975 . DOI: 10.16450/j.cnki.issn.1004-6801.2025.05.015
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Article Info
doi: 10.16450/j.cnki.issn.1004-6801.2025.05.015
  • Receive Date：2023-04-26
  • Online Date：2026-03-27
  • Published：2025-10-01
Article Data
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History
  • Received：2023-04-26
  • Revised：2023-05-25
Funding
Affiliations
    1.School of Mechanical Engineering，Jiangnan University　Wuxi，214122，China
    2.Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology　Wuxi，214122，China
    3.Wuxi Little Swan Electric Appliance Co.，Ltd.　Wuxi，214028，China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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