Identification and validation of linear friction models using ANOVA and stepwise regression

P Strobl, E Schermer, D Groetsch, L Pointner-Gabriel… - Lubricants, 2022 - mdpi.com
For wet disk clutches, the energy input is strongly influenced by its friction behavior.
However, the friction behavior cannot be simulated and therefore is mostly derived from …

Influence of Water Contamination, Iron Particles, and Energy Input on the NVH Behavior of Wet Clutches

J Wirkner, M Baese, A Lebel, H Pflaum, K Voelkel… - Lubricants, 2023 - mdpi.com
The driving comfort and safety of the automotive powertrain are significantly related to the
performance, lifetime, and functionality of the lubricant. The presented study focuses on …

Control variate polynomial chaos: Optimal fusion of sampling and surrogates for multifidelity uncertainty quantification

H Yang, Y Fujii, KW Wang… - International Journal for …, 2023 - dl.begellhouse.com
We present a multifidelity uncertainty quantification numerical method that leverages the
benefits of both sampling and surrogate modeling, while mitigating their downsides, for …

A Polynomial-Chaos-Based Multifidelity Approach to the Efficient Uncertainty Quantification of Online Simulations of Automotive Propulsion Systems

H Yang, A Gorodetsky, Y Fujii… - Journal of …, 2022 - asmedigitalcollection.asme.org
As a result of the increasing system complexity and more strict performance requirements,
intelligent and robust decision-making and control capabilities are of great importance for …

Study on drag torque characteristicsof wet multiplate clutch under high-speed operating condition

J Li, C Ma, X Wang, H Lan… - Proceedings of the …, 2025 - journals.sagepub.com
In order to study the characteristics of the drag torque of wet multi-plate clutches at high
speed, a mathematic model of the drag torque considering oil-gas two-phase flow was …

Multifidelity uncertainty quantification for online simulations of automotive propulsion systems

H Yang, A Gorodetsky, Y Fujii… - … and Information in …, 2021 - asmedigitalcollection.asme.org
The increasing complexity and demanding performance requirement of modern automotive
propulsion systems necessitate more intelligent and robust predictive controls. Due to the …

Optimization of Gaussian process regression model for characterization of in-vehicle wet clutch behavior

H Shui, Y Zhang, E Yi, A Bichkar, J McCallum, M Hopka… - 2022 - sae.org
The advancement of Machine-learning (ML) methods enables data-driven creation of
Reduced Order Models (ROMs) for automotive components and systems. For example …

A Surrogate-Based Variance Reduction Approach to Multifidelity Uncertainty Quantification--With Applications in Automotive Systems

H Yang - 2022 - deepblue.lib.umich.edu
An increasing number of science and engineering applications demand highly efficient
Uncertainty Quantification (UQ} capabilities in order to account for the presence of significant …

Dynamic Characterization of a Twin Plate Torque Converter Clutch During Controlled Slip

D Robinette, J Blough, L Jurmu, C Reynolds, A Scheich - 2024 - sae.org
(TCC) characterization during steady state and dynamic operation under controlled slip
conditions on a dynamometer setup. The subject torque converter under test is a twin plate …

Machine-Learning Approach to Behavioral Identification of Hybrid Propulsion System and Component

Y Zhang, F Chen, W Chen, A Bichkar, C Sullivan… - 2022 - sae.org
Accurate determination of driveshaft torque is desired for robust control, calibration, and
diagnosis of propulsion system behaviors. The real-time knowledge of driveshaft torque is …