Modeling and experimental validation of lever-based electromechanical actuator for dry clutches

被引：0
|
作者：
Liu, Fengyu [1 ,2 ]
Chen, Li [1 ,2 ]
Fang, Chengliang [1 ,2 ]
Yin, Chengliang [2 ]
Zhang, Xi [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, State Key Lab Ocean Engn, Shanghai, Peoples R China
[2] Shanghai Jiao Tong Univ, Natl Engn Lab Automot Elect Control Technol, Shanghai 200240, Peoples R China
来源：
ADVANCES IN MECHANICAL ENGINEERING | 2017年 / 9卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Electromechanical actuator; dry clutch; power saving; negative stiffness; SYSTEM; TORQUE; AMT;
D O I：
10.1177/1687814017715196
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A new motor-driven lever-based servo actuator is proposed for automatic manipulation of dry clutches. The dynamic model considering the negative stiffness of the diaphragm spring is built. The characteristics of torque-saving and power-saving are analyzed. Moreover, the stability addressing the negative stiffness is analyzed. The simulation results are verified by the experimental results. The results from quasi-steady experiments show the proposed actuator reduces the motor torque up to 23.9%, the motor power loss up to 38.7%, and the motor output power up to 21.9% compared to the ordinary lever-based actuator. As a whole, the energy consumption during a usual clutch engagement is reduced by 30.1%. In addition, the proposed actuator can track the desired displacement well under the negative stiffness case, and thus overcomes the weakness of the "Luk-like" actuator.
引用
收藏
页码：1 / 18
页数：18
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