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VDI Wissensforum GmbH - Commercial Vehicles 2023

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VDI Wissensforum GmbH (ed.)

Commercial Vehicles 2023

Series: VDI-Berichte

Volume 2417 2023

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F. Schweizer, T. Pflanz, M. Wagenblast, W. Tegethoff, J. Köhler, F. Breuer, L. Frerichs Fuel cell electric drive concept for heavy-duty commercial vehicles S. 123-140

„… power distribution by shifting the main load point to 220 kW towards the power demand. A broader shift …” „… continuous power is nec-essary to be able to transport loads of more than 30 t over long gradients with …” „… energy and heat fluxes in a simulated FC and ICE truck power train for high loads (left) and low loads …”

R. Pütz European policy for future road vehicles – technological neutrality or ideological astray? S. 1-12

„… distribution of energy in the fuel supply chain (well-to-tank, WtT), and subsequent recycling and disposal …” „… and load volume, see Fig. 4. The influence on the load density ρN,g in t/m3 and the payload factors GN …” „… ' in t/m and GN'' in t/m2 are shown in Fig. 5. It can be seen that to cope with the load that can be …”

F. Domprobst, J.-F. Beaupère Learnings of the 2nd year of CO2 reporting by OEMs S. 153-164

„… deflection, to generate a contact patch under the carried load. This is necessary to enable the vehicle to be …” „… load can differ, leading to different fuel consumption. It is thus highly difficult to compare the …” „… to see how the tire RRC distribution has changed in one year. Tire RRC in the database are summarized …”

X. Seykens, C. Bekdemir, P. van Gompel How can hydrogen combustion engines contribute to realizing climate targets? S. 105-122

„… energy distributed by the electricity grid [7]. The potential hydrogen distribution capacity based on …” „… potential in applications with heavy loads operating for long periods of time. These are precisely the …” „… of an (hydrogen) internal combustion engine gradually increases with load and is highest for …”

P. Akerman, A. Rupprecht Dynamic charging for trucks S. 35-46

„… operate heavy loads, on remote roads, far from any grid), it is worth pointing out that dynamic charging …” „… well-to-wheel efficiency of about 73%, factoring in losses in the energy transmission, the distribution system …” „… electrical loads over time and space, thus minimizing the impact (and cost) on the electric grid …”

doi.org/10.51202/9783181024171

VDI Wissensforum GmbH - Ventiltrieb und Zylinderkopf 2019

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VDI Wissensforum GmbH (ed.)

Ventiltrieb und Zylinderkopf 2019

Series: VDI-Berichte

Volume 2353 2019

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C. O. Huber, A. Zurk Cylinder Head Solutions for 300bar and beyond – Next generation commercial and large engines’ advanced design and simulation S. 171-190

„… transfer path which offers an optimized load distribution with minimized deflection targeting a very high …” „… employing new concepts for valve pattern and cylinder head bolt arrangement, allowing for a new load …” „… of thermal and mechanical loads require extensive use of advanced simulation tools in a virtual …”

M. Breuer, D. Furtado, K. Grimm, S. Moormann, S. Schmitt, M. Seibel Frictional Performance of the fully variable Valve Train UpValve S. 45-62

„… behaviour adds up to the thermodynamic VVA part load advantages. Additionally, the torque excursions to …” „… fully equipped with needle bearings for optimized response to ECU load commands. VDI-Berichte Nr. 2353 …” „… , 2019 47 For high loads both intake valves are opened parallel to 10 mm peak lift, providing the full …”

doi.org/10.51202/9783181023532

VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2018

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VDI Wissensforum GmbH (ed.)

Dritev – Drivetrain For Vehicles 2018

Series: VDI-Berichte

Volume 2328 2018

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M. Hein, T. Tobie, K. Stahl Holistic approach for fatigue life design of vehicle transmissions

„… load distribution can be considered in detail. Fig. 5: Stress / load cycle (S/N) curve and torque …” „… the load carrying capacity like ISO 6336-series is limited as it is not fully capable of calculations …” „… with load spectra. State of the art vehicle transmissions are usually designed with particular regard …”

M. Mileti, H. Pflaum, K. Stahl TorqueLINE cone clutch: Thermo-mechanical stability of cone clutches for ATs

„… reduces, remaining the load equal, specific friction loss – i.e. the energy loss per unit area …” „… thermal stability analysis is indispensable for determining the load limits of the new clutch. For this …” „… during test-rig runs under varying load conditions. These are compared to the simulative results …”

J.-M. Veith, B. Krüger, A. Albers, M. Behrendt Torque prediction in vehicle drive trains based on bus signals using artificial neural networks

„… clutch (HOC) is operated permanently slipping, a continuously variable torque distribution between the …” „… the clutch slip is non-zero. As soon as the clutch sticks, the torque distribution cannot be …” „… distribution for increasing hang-on clutch pressure (steady-state). 3 Derivation of a representative data …”

J.-E. Moseberg, J. Kohlhoff, S. Hekeler Electric all-wheel drive: enhancing vehicle dynamics and driving safety by wheel-individual torque distribution – How to make use of the over-actuation of electrified vehicles

„… ”; dashed lines: simple distribution algorithm). VDI-Berichte Nr. 2328, 2018 113 different wheel loads are …” „… distribution How to make use of the over-actuation of electrified vehicles Dr.-Ing. J.-E. Moseberg …” „… wheel-individual drive torque distribution permitting an improvement of the vehicle’s lateral dynamic behavior as …”

R. Buchberger, O. Grieshofer, K. Puchner, R. Sereinig System optimization of electric drives in terms of lightweight design, acoustics and efficiency by means of modern transmission simulation methods

„… of load-bearing capacity, efficiency and NVH, tooth flank modifications are applied. In order to …” „… is specified, the individual results are assessed according to the following results: Width load …” „… factor Transmission error Fluctuation of the tooth meshing stiffness Contact ratio under load …”

A. Dietrich, H. Klampfl “Friction Stir Welding” – Lightweight through manufacturing technology – The path from a concept to revolutionary gearbox manufacturing

„… housing parts. The split line is a central point of consideration and mainly driven by load, package …” „… and location of ribs are based on the drive- and coast-loads coming from the gear set. The forces are …” „… better stress distribution along the joint, but might worsen the vibration behaviour, which could lead …”

G. Hellenbroich, I. Steinberg, J. Ogrzewalla Powershift capable 2-Speed Electric Drive Unit for Light – Commercial Vehicles with Short Time to Market

„… pure-electric light commercial vehicles will quickly become established in vehicle fleets for the distribution …” „… of goods in cities and suburban areas. The vehicle load spectrum and the comparatively simple setup …” „… of a charging infrastructure – each day the vehicles return to a distribution center – favor the …”

F. Leonardi, A. Munoz, L. Guo, F. Liang, M. Degner Electric machine design approaches for electrified powertrains

„… solver for the calculation of performance and mechanical loads and stresses, and a genetic algorithm …” „… geometry optimized for full load may be performing very poorly at part load. Other challenges are less …” „… stress distribution along the spline. VDI-Berichte Nr. 2328, 2018174 a) b) c) Fig …”

T. Grasshoff, P. Beckedahl Power module packaging technologies for silicon and silicon carbide in automotive applications – challenges and solutions

„… module. The different power losses in the semiconductor devices during different load conditions is …” „… parameters as the duration of the DC load pulses, the current per bond stitch, the wire bond diameter and …” „… hand will impair the current distribution on the chips and thus will also cause increasing losses and …”

M. Werra, A. Ringleb, C. Sieg, F. Küçükay Thermal behavior of 48 V hybrid systems

„… operating strategy to split the power between the two electric machines. By doing so, the P3 machine’s load …” „… is reduced partly compared to the loads of the electric machine VDI-Berichte Nr. 2328, 2018 539 in …” „… the P2 configuration. First, it can lead to less electric losses due to the reduced loads. Second, if …”

C. Danzer, T. Voigt, T. Günther, R. Tröger From fleet requirements to optimized Dedicated Hybrid Powertrains

„… variability and performance of the charging system. Therewith the optimization of the full load curves of ICE …” „… full load performance of ICE and EM the combination of the consumption map and the EM-loss map is …” „… , the impact of the fuel efficiency at partial loads and speeds decreases with the rising of electric …”

I. Andrasec, B. Jeitler AVL’s future hybrid X mode – A modular transmission family concept

„… distribution between conventional, 48V and full or plug-in hybrid vehicles is uncertain. This concept …” „… to 19 percent HEV and PHEV. Overall, the distribution of the different powertrains is very varied …” „… 48V e-motors. Load point shift is another option. Support of the ICE is possible with the e-motor …”

J. van der Meer, G. Hangen, J. Uhlig The new plug-in hybrid module as an addition to the AUDI S tronic gearbox family – Design, layout and manufacture

„… way, the requirements on the load, such as the maximum slip power, are assured throughout the …” „… distribution within the hybrid module were carried out. The examinations led to a decision being made for the …” „… is given that the requirements for plate disengagement, equal cooling oil distribution over the coil …”

M. Bahne, U. Frey, G. Schlager Transmission technology contribution to CO2 roadmap – a benchmark

„… dynamic axle load distribution to either recuperate or drive electrically at the highest possible …” „… reduction on the side of the combustion engine alone. In addition, there can be higher specific load of the …” „… kph) Furthermore, the distribution of longitudinal torque between axles can significantly affect …”

D. Güth, J. Haupt, T. Gassmann Seamless-shift two-speed eAxle with torque vectoring

„… distribution is regulated by GKN’s own vehicle dynamic controller. Dependent on various input signals, such as …” „… the selective distribution of the oil on the individual lubrication points is adjusted through …” „… rear axle can be determined. Depending on the load requirement, a gear shift strategy with different …”

K. Bennewitz, A. Mann Powertrain electrification exemplified by the VW Golf

„… the internal combustion VDI-Berichte Nr. 2328, 2018140 engine under low load is replaced by electric …” „… recuperation or by raising the load point of the internal combustion engine. Volkswagen’s first pure …” „… now runs up to the speed target under zero load controlled by increasing transmission intervention …”

R. Bredtmann, M. Beck, O. Mühlfeld, K. Olesen, O. Shajarati Robust multi-chip power module for effective integration to automotive powertrains – Danfoss DCM™1000 meets future automotive requirements

„… power modules. Typical time-variant loading can be transferred mathematically into standardized load …” „… and a more homogeneous current distribution to the semiconductors separate transistor cells is …”

A. Viehmann, R. König, S. Rinderknecht Investigation of gear shifts in a parallel-series hybrid powertrain with dog clutches in a demonstrator vehicle (two-drive-transmission with range-extender, DE-REX)

„… efficiency based on shifting the load points by operating only one or both electric motors and using …” „… electric motors, all HV components (HV battery, Power Distribution Unit (PDU) and On-Board Charger (OBC …”

doi.org/10.51202/9783181023280

VDI Wissensforum GmbH - Zylinderlaufbahn, Kolben, Pleuel

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VDI Wissensforum GmbH (ed.)

Zylinderlaufbahn, Kolben, Pleuel

Series: VDI-Berichte

Volume 2282 2016

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F. Schlerege, N. Hagen, U. Morawitz Evaluation of a Rolling Bearing Crankshaft S. 145-158

„… forces. Underneath the friction loss distribution graphs, the load paths of the main bearings are shown …” „… at numerous stop-start conditions because of their lower friction. The load out of the timing- and …” „… conditions, high load at low speed, rolling bearings have the potential to minimize the friction loss and …”

doi.org/10.51202/9783181022825

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Bauingenieur

Browse Volumes: Bauingenieur

Bauingenieur Volume 91 (2016) Issue 06 ISSN Online: 0005-6650

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Manfred Curbach, Maria Patricia Garibaldi, Oliver Steinbock Der Umgang mit dem Brückenbestand – Ein Vergleich zwischen Deutschland und den USA/Dealing with the bridge inventory – A comparison between Germany and the USA S. 215-226

„… designations for determining the load distribution factor according to [5], [6] Bez. mg MI S L ts kg n Ig eg …” „… Fortschreibung der Nachrechnungsrichtlinie aufzeigen. Abstract With the introduction of the German Load Rating …” „… the estimated remaining service life of existing bridges. The load rating guidelines indicate, in …”

doi.org/10.37544/0005-6650-2016-06

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