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Study on the Impact of Lubrication Degradation on the Control Characteristics of Servo System
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Sheng TAO1, 2, Linxue AN1, 2, Peijuan CUI1, 2, Zhanlin HOU1, 2, Zeyu WEI1, 2
Missiles and Space Vehicles | 2025, 48(3) : 93 - 99
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Missiles and Space Vehicles | 2025, 48(3): 93-99
• Advanced Servo Technology •
Study on the Impact of Lubrication Degradation on the Control Characteristics of Servo System
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Sheng TAO1, 2, Linxue AN1, 2, Peijuan CUI1, 2, Zhanlin HOU1, 2, Zeyu WEI1, 2
Affiliations
  • 1. Beijing Institute of Precision Mechatronics and Controls, Beijing, 100076
  • 2. Control Actuation Innovation Center, Beijing, 100076
Published: 2025-06-25 doi: 10.7654/j.issn.2097-1974.20250313
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To investigate the effects of grease degradation induced by long-term storage on the control characteristics of servo systems, the viscosity properties of the grease during storage are analyzed according to the results from the high-temperature accelerated storage test. Subsequently, the friction of the roller screw transmission is modeled to investigate the influence of lubrication degradation on the friction characteristics of servo system. Eventually, the friction models for various lubrication conditions are integrated into the servo system control simulation model to assess the impact of lubrication degradation on its performance characteristics. The obtained result is that the viscosity properties do not exhibit a clear correlation with the accelerated storage time. Selecting the degradation grease with high viscosity as the research subject, analysis indicates that the lubrication causes the increase of friction torques, the attenuation in amplitude and phase hysteresis in mid-high frequency range in servo system control characteristics. Besides, the attenuation and hysteresis aggravate as the load increases.

long-term storage  /  lubrication degradation  /  viscosity properties  /  friction characteristics  /  servo control characteristics
Sheng TAO, Linxue AN, Peijuan CUI, Zhanlin HOU, Zeyu WEI. Study on the Impact of Lubrication Degradation on the Control Characteristics of Servo System[J]. Missiles and Space Vehicles, 2025 , 48 (3) : 93 -99 . DOI: 10.7654/j.issn.2097-1974.20250313
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doi: 10.7654/j.issn.2097-1974.20250313
  • Receive Date：2024-10-17
  • Online Date：2025-10-27
  • Published：2025-06-25
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  • Received：2024-10-17
  • Revised：2025-05-05
Affiliations
    1. Beijing Institute of Precision Mechatronics and Controls, Beijing, 100076
    2. Control Actuation Innovation Center, Beijing, 100076
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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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