The new BMW dual clutch transmission

Breitfeld, Carsten; Rinderknecht, Stephan; Munk, Friedrich; Schmidt-Troje, Dieter; Gueter, Christian; Neuner, Josef; Eder, Jürgen

doi:10.1007/bf03225204

Cited by 6 publications

(2 citation statements)

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“…(2) (3) Frictional heat increases the temperatures of pressure plate and disk, while convective heat transfer makes them decrease. Thus, the thermal model of the pressure plate is described by…”

Section: Model Equationsmentioning

confidence: 99%

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A Study on Thermal Analytical Model for a Dry Dual Clutch

Líu¹,

Lee²,

Noh³

et al. 2015

Journal of The Korean Society for Fluid Power & Constructio

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Abstract:The stability of friction characteristics and thermal management for a dry type dual clutch transmission (DCT) are inferior to those of a wet clutch. Too high temperature resulting from frequent engagement of DCT speeds up degradation or serious wear of the pressure plate or burning of the clutch disk lining. Even though it is significantly important to estimate the temperature of a dry double clutch (DDC) in real-time, few meaningful study of the thermal model of DDC has been known yet. This study presented a thermal analytical model of lumped parameters for a DDC by analyzing its each component firstly. Then a series of experimental test was carried out on the test bench with a patented temperature telemetry system to validate the proposed thermal model. The thermal model, whose optimal parameter values were found by optimization algorithm, was also simulated on the experimental test conditions. The simulation results of DDC temperature show consistency with the experiment, which validates the proposed thermal model of DDC.

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Section: Model Equationsmentioning

confidence: 99%

“…Since then other automotive manufacturers have also been competitively developing DCT for their passenger vehicles 3,4) .…”

mentioning

confidence: 99%

A Study on Thermal Analytical Model for a Dry Dual Clutch

Líu¹,

Lee²,

Noh³

et al. 2015

Journal of The Korean Society for Fluid Power & Constructio

View full text Add to dashboard Cite

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Modeling of a Dry Dual Clutch Utilizing a Lever-Based Electromechanical Actuator

Deur

Milutinović

Ivanović

et al. 2016

Journal of Dynamic Systems, Measurement, and Control

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The paper proposes a dynamic model of an automotive dry dual clutch system, which comprises submodels of a lever-based electromechanical actuator and a dual clutch assembly. The model is developed by using the bond graph approach, and it can be used for clutch design, analysis, and control tasks. Special attention is devoted to modeling of friction, compliance, and lever geometry effects, as they are the ones that predominantly determine the accuracy of clutch static curve description and computational efficiency of the model. Several custom-designed test rigs are utilized for the purpose of collecting the experimental data needed for model parameterization and validation. Experimental validation demonstrates a good modeling accuracy for a wide range of operating parameters.

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Mechatronic System Integration Potential for Different Applications

Rinderknecht

Strah

2013

AMR

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Starting with some general and historical perspective, mechatronics is placed in the technological field map as a multidisciplinary discipline. The considered advantages of mechatronic systems are exposed from the human perspective, which enables the consideration of the social impact of this technological discipline. Due to the multidisciplinary character of mechatronics, the integration issues including synergetic effects consider both geometrical and functional aspects. The same reason provides a very large variety of different solutions to fulfill a certain functionality. Choosing an appropriate solution for a specific application is done using systematic methods which shape this problem to an optimization problem. General statements are illustrated with different application examples.

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The new BMW dual clutch transmission

Cited by 6 publications

References 0 publications

A Study on Thermal Analytical Model for a Dry Dual Clutch

A Study on Thermal Analytical Model for a Dry Dual Clutch

Modeling of a Dry Dual Clutch Utilizing a Lever-Based Electromechanical Actuator

Mechatronic System Integration Potential for Different Applications

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