Veröffentlichungen des FG-Kraftfahrzeugtechnik

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Dalmau, Maria E.; Augsburg, Klaus; Wenzel, Felix; Ivanov, Valentin;
Tire particle emissions: demand on reliable characterization. - In: Tire science and technology. - Akron, Ohio, ISSN 0090-8657, Bd. 48 (2020), 2, S. 107-122

Tire emissions are recently becoming an important topic in environmental science and among visionary automotive engineers. Deep understanding of the mechanisms involved in tire wear and emissions and their reliable physical/chemical characterization should be assumed as an urgent task. With the aim to contribute to a trustworthy characterization of tire wear and emissions, this paper presents both (i) analysis of state-of-the-art in this field and (ii) a first experimental approach to the collection of particles from a rotating tire in a new developed test box.



https://doi.org/10.2346/tire.19.170181
Morozov, Oleg G.; Agliullin, Timur A.; Gubaidullin, Robert R.; Sakhabutdinov, Ajdar Zh.; Ivanov, Valentin;
Modeling of microwave-photonic system for assessing the tangential component of tire deformation. - In: 2020 Wave Electronics and its Application in Information and Telecommunication Systems : (WECONF) : 01-05 June 2020, St. Petersburg State University of Aerospace Instrumentation (SUAI).. - Piscataway, NJ : IEEE, (2020), insges. 7 S.

https://doi.org/10.1109/WECONF48837.2020.9131541
Sakhabutdinov, Ajdar Zh.; Agliullin, Timur A.; Gubaidullin, Robert R.; Morozov, Oleg G.; Ivanov, Valentin;
Numerical modeling of microwave-photonic sensor system for load sensing bearings. - In: 2020 Wave Electronics and its Application in Information and Telecommunication Systems : (WECONF) : 01-05 June 2020, St. Petersburg State University of Aerospace Instrumentation (SUAI).. - Piscataway, NJ : IEEE, (2020), insges. 5 S.

https://doi.org/10.1109/WECONF48837.2020.9131447
Bakhmutov, Sergey V.; Umnitsyn, Artem A.; Ivanov, Valentin;
Comparative assessment of vehicle anti-lock braking system operation using friction brake mechanisms and e-machine in the vehicle with electric drive of traction wheels. - In: IOP conference series. - London [u.a.] : Institute of Physics, ISSN 1757-899X, Bd. 819 (2020), 012035, S. 1-6

https://doi.org/10.1088/1757-899X/819/1/012035
Augsburg, Klaus; Hesse, David;
Comparative study of brake particle emissions. - In: 11th Int. AVL Exhaust Gas and Particulate Emissions Forum. - [Graz] : AVL, (2020), insges. 15 S.

Friction brakes are used to ensure the deceleration of motor vehicles. As a result of tribological mechanisms, brake disc and brake pad wear occurs, which also leads to the emission of particulate brake dust. Particulate emissions from powertrain systems are becoming increasingly important, particularly due to their special chemical-physical properties. In the present study, brake emissions are characterized as a function of the tribological formation mechanisms and the operating conditions of the wheel brake. The development of suitable test cycles, the requirements for a laboratory test environment and a target-oriented selection of the metrological framework conditions are addressed. Finally, the challenges that arise during the performance of on-road tests (RDE) are described and evaluated.



Sahabutdinov, Ajdar Zh.; Morozov, Oleg G.; Agliullin, Timur A.; Gubaidullin, Robert R.; Ivanov, Valentin;
Modeling of spectrum response of addressed FBG-structures in load sensing bearings. - In: 2020 Systems of Signals Generating and Processing in the Field of on Board Communications : 19-20 March 2020, Moscow Technical University of Communication and Informatics, Moscow, Russian Federation.. - Piscataway, NJ : IEEE, (2020), insges. 4 S.

https://doi.org/10.1109/IEEECONF48371.2020.9078659
Morozov, Oleg G.; Sahabutdinov, Ajdar Zh.; Kurbiev, I. U.; Nureev, I. I.; Ivanov, Valentin;
Interrogator for vibration and shape mode sensing using an address fiber bragg grating array. - In: 2020 Systems of Signals Generating and Processing in the Field of on Board Communications : 19-20 March 2020, Moscow Technical University of Communication and Informatics, Moscow, Russian Federation.. - Piscataway, NJ : IEEE, (2020), insges. 4 S.

https://doi.org/10.1109/IEEECONF48371.2020.9078576
Gubaidullin, Robert R.; Agliullin, Timur A.; Nureev, I. I.; Sahabutdinov, Ajdar Zh.; Ivanov, Valentin;
Application of Gaussian function for modeling two-frequency radiation from addressed FBG. - In: 2020 Systems of Signals Generating and Processing in the Field of on Board Communications : 19-20 March 2020, Moscow Technical University of Communication and Informatics, Moscow, Russian Federation.. - Piscataway, NJ : IEEE, (2020), insges. 4 S.

https://doi.org/10.1109/IEEECONF48371.2020.9078587
Köhler, Tobias; Schiele, Martin; Glaser, Marcus; Schricker, Klaus; Bergmann, Jean Pierre; Augsburg, Klaus;
In-situ monitoring of hybrid friction diffusion bonded EN AW 1050/EN CW 004A lap joints using artificial neural nets. - In: Proceedings of the Institution of Mechanical Engineers. - London : Sage Publ., ISSN 2041-3076, Bd. 234 (2020), 5, S. 766-785

In this work, a dissimilar copper/aluminum lap joint was generated by force-controlled hybrid friction diffusion bonding setup (HFDB). During the welding process, the appearing torque, the welding force as well as the plunge depth are recorded over time. Due to the force-controlled process, tool wear and the use of different materials, the resulting data series varies significantly, which makes quality assurance according to classical methods very difficult. Therefore, a Convolutional Neural Network was developed which allows the evaluation of the recorded process data. In this study, data from sound welds as well as data from samples with weld defects were considered. In addition to the different welding qualities, deviations from the ideal conditions due to tool wear and the use of different alloys were also considered. The validity of the developed approach is determined by cross validation during the training process and different amounts of training data. With an accuracy of 88.5%, the approach of using Convolutional Neural Network has proven to be a suitable tool for monitoring the processes.



https://doi.org/10.1177/1464420720912773
Augsburg, Klaus; Wenzel, Felix; Gramstat, Sebastian;
Methodology for the measurment of tire wear particles. - In: 10th International Munich Chassis Symposium 2019. - Heidelberg : Springer Vieweg, (2020), S. 817-829
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