Coupling mechanism and data-driven approaches for high power wet clutch torque modeling and analysis

J Wu, J Cui, W Shu, L Wang, H Li - Tribology International, 2024 - Elsevier
We propose a hybrid model that integrates conventional mechanism methods with state-of-
the-art data-driven techniques to study torque characteristics during the high power clutch …

Adaptive model predictive control of dual clutch transmission shift based on dynamic friction coefficient estimation

A Li, D Qin - Mechanism and Machine Theory, 2022 - Elsevier
The dynamic friction coefficient of a wet clutch affects the vehicle shift quality and changes
with factors such as the friction plate abrasion and oil and friction plate temperatures. Herein …

Effects of operating conditions on the tribological behavior of a wet multi-disc clutch during the running-in process

Q Wang, B Ma, L Yu, C Xiong, L Zheng - Tribology International, 2023 - Elsevier
The torque model of a wet multi-disc clutch is developed to study the effect of operating
conditions on its tribological behavior during the running-in process, which is verified by …

A hybrid transient/quasi-static model for wet clutch engagement

N Rogkas, L Vasilopoulos, V Spitas - International Journal of Mechanical …, 2023 - Elsevier
This work presents a comprehensive formulation of the equations governing the lubrication
and the lock-up phases of an engaging wet clutch. A finite element model is established …

[HTML][HTML] Equal heat flux loading optimization approach for uniform wear of the wet brake

M Han, C Zhang, P Dong, Q Zhao, B Xu… - Case Studies in Thermal …, 2024 - Elsevier
Due to their exceptional ability to endure heavy loads, cam-lobe radial-piston hydraulic
motors are extensively utilized in heavy machinery. The wet brake is a key part capable of …

Control-oriented modeling of wet clutch friction considering thermal dynamics

S Shin, SB Choi - Mechatronics, 2024 - Elsevier
The paper presents a control-oriented modeling method for wet clutch friction, considering
thermal dynamics, with a focus on paper-based friction linings. Abrupt engagements of such …

A temperature field model based on energy flow analysis of wet clutch sliding interface

J Jin, X Li, S Yang, H Sun, H Yi, W Hao - Tribology International, 2024 - Elsevier
A fluid-solid convective heat transfer model is constructed according to the velocity
distributed calculation of lubricant in clutch groove cavity. Considering the characteristics of …

Adaptive torque control of wet dual clutch based on dynamic friction coefficient estimation

A Li, D Qin, Z Guo - Mechatronics, 2024 - Elsevier
Fluctuations in oil temperature, changes in friction plate temperature, and friction plate wear
significantly influence the precision of torque control in wet clutches, consequently impacting …

Influence of the lubrication oil temperature on the disengaging dynamic characteristics of a cu-based wet multi-disc clutch

L Zheng, B Ma, M Chen, L Yu, Q Wang - Applied Sciences, 2021 - mdpi.com
Clutch disengaging dynamic characteristics, including the disengaging duration and the
variations of friction pair gaps and friction torque, are crucial to the shifting control of an …

Nonlinear dynamic separation characteristics of friction pair and experimental analysis

Y Zhao, H Chen, W Pan, W Cai, Y Zhou, B Zhai… - Scientific Reports, 2024 - nature.com
This paper aims to reduce friction pair erosion of the clutch in the case of continuous shift;
the dynamic separation process of the friction pair is investigated. The temperature of the …