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VDI Wissensforum GmbH - Commercial Vehicles 2019

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VDI Wissensforum GmbH (Hrsg.)

Commercial Vehicles 2019

Reihe: VDI-Berichte

Band 2350 2019

Treffer in den folgenden Teilen:

C. Rivas-Zöller, J. Häring, T. Nagel Citaro hybrid – The first commercial vehicle with profitable 48V mild hybrid system S. 115-122

„… is given. The decision for the - in commercial vehicles new - 48V power net is explained. The …” „… : Definition of voltage levels in 48V power net (according VDA 320) E-motor technology Belt-driven and …” „… storage capacity on the one hand and mechanical recuperation power on the other hand became clear …”

A. Danninger, E. Armengaud, N. Knopper Implementation of Powertrain control for economic, low real driving emissions and fuel consumption – Measures for Fuel consumption reduction in Long Haul traffic S. 293-312

„… environmental model, a road network model and a traffic micro-simulation model via cosimulation. The …” „… added to the virtual road network by means of traffic micro-simulation, which employs agent-based …” „… simulation environment for assessing the performance of HD trucks in real-driving conditions Objective 2 …”

G. Nitzsche, J. Engasser, P. Mentink AEROFLEX – Advanced Energy Management in Distributed Powertrains S. 281-292

„… furthermore, simulation results for the fuel consumption. Both underline the potential of distributed …” „… . Furthermore, first simulation results of the fuel consumption reduction are given. VDI-Berichte Nr. 2350 …” „… combinations. In addition it shall show, that distributed powertrains can help to power longer vehicle …”

G. Milton, H.-M. Koegeler, R. Varnhagen Validating the fuel consumption of trucks featuring a dynamic electronic horizon in real world traffic: methods and results S. 149-174

„… road networks can be generated for this simulation environment based on mapping data of real roads …” „… , then simulation may be used to make repeated assessments of performance under a given traffic …” „… situation. When in-vehicle measurements are used to validate the models, the simulation environment can be …”

M. Fritz Modular Platform Approach for Electric Drive System in Commercial Vehicles S. 103-114

„… the high degree of modularization of the power electronics enables solutions adapted to the available …” „… interaction between electric motor, power switches and motor control has essential impact. Zusammenfassung …” „… systems (EDS) which besides electric motors contains power electronics hardware as well as software. The …”

J. Hintereder, S. Sattler, U. Gunzert Development of a disruptive semitrailer tractor in light-weight construction S. 45-60

„… changes in their market. To name just the most important changes, these include more drive power, more …” „… vehicle concept to achieve the objectives 3.1 Simulation process and design Experience in designing …” „… and multibody simulations, it was possible to estimate the effect of a substantially stiffer frame …”

doi.org/10.51202/9783181023501

VDI Wissensforum GmbH - AgEng LAND.TECHNIK 2022

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VDI Wissensforum GmbH (Hrsg.)

AgEng LAND.TECHNIK 2022

Reihe: VDI-Berichte

Band 2406 2022

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A. Gkountas, P. Bakalis, D. Tyris, D. Manolakos Thermodynamic modelling of a Biomass Organic Rankine Cycle for sustainable heat and power cogeneration in greenhouses S. 47-52

„… applied for each component (Cai et al., 2020). The net generated power and the thermal efficiency of the …” „… mainly depends on the selected cultivation. Fig. 3: Net electrical power (left) and cycle’s thermal …” „… selection. Figure 4b presents the net electrical power (left axis) and the cycle’s thermal efficiency (right …”

N. Katsoulas, C. Baxevanou, D. Feidaros Optimal design of a hybrid power generation system for greenhouses S. 53-60

„… Optimal design of a hybrid power generation system for greenhouses Nikolaos Katsoulas, Catherine …” „… multifactorial problem of the optimal design (production quality, electricity cost and CO2) of a hybrid power …” „… production in greenhouses. Evidence for calculating power consumption can be found in early works such as [2 …”

A. Barbaresi, M. Ceccarelli, M. Bovo, M. Agrusti, E. Santolini, D. Torreggiani, P. Tassinari, G. Menichetti Machine Learning Models for Predictions of Thermal Energy Need in Farm Buildings S. 477-484

„… fundamental role in building design, but a huge number of numerical simulations is required to achieve energy …” „… learning (ML) models to avoid energy simulations. Considering these aspects, the research aims is to …” „… food storage building. The models have been trained on a dataset of about 5000 simulations where each …”

Titelei/Inhaltsverzeichnis

„… sustainable heat and power cogeneration in greenhouses …” „… University of Athens, GreeceOptimal design of a hybrid power generation system for greenhouses …” „… & Research (WUR), Wageningen, The Netherlands;J. P. M. Ploegaert, N. M. W. Ogink, Wageningen Livestock …”

doi.org/10.51202/9783181024065

VDI Wissensform GmbH - Drivetrain Solutions for Commercial Vehicles

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VDI Wissensform GmbH (Hrsg.)

Drivetrain Solutions for Commercial Vehicles

Reihe: VDI-Berichte

Band 2421 2023

Treffer in den folgenden Teilen:

L. Heber, M. Helmich, J. Schwab, T. Knobelspies, M. Kober, F. Rinderknecht Thermoelectric Generators for Heavy-Duty Vehicles as an Economical Waste Heat Recovery System – Holistic design and evaluation with the use of modern simulation methods S. 109-122

„… Holistic design and evaluation with the use of modern simulation methods Lars Heber, Matthias Helmich …” „… on-board net or VDI-Berichte Nr. 2421, 2023 111 charge the battery. Their advantages are low maintenance …” „… converted into electrical energy 𝑃 .. VDI-Berichte Nr. 2421, 2023112 Simulation results To optimize the …”

A. Rozum, R. Uerlich, G. Witham, L. Eckstein Modular powertrains for heavy-duty electric vehicles – From concept to prototype S. 191-0

„… in [11] are created to derive rough gearing geometries for subsequent power loss simulation. As a …” „… with validated simulation models is crucial to assure powertrain requirements are met before the first …” „… operating points with high power demand have a total duration under 10 sec over a whole cycle (marked grey …”

L. Vassieux, A Diop Valeo hybrid solutions for Commercial Vehicle – 48V and HV hybrid solution S. 93-108

„… (Power Take Off). It brings power for the future needs in 48-Volt network, like electrical steering …” „… phases / 4 Upin Cooling Water cooling Length 77mm Stator external diameter Ø 161mm Weight 21.7 kg Power …” „… with ICE power. ● Torque assist mode optimizes ICE: to generate downspeeding at low ICE speed, or …”

T. Jonsson, S. Balaji, G. Sivaraman, V. Ravindran, J. Engström Effects of PWM on losses and comparison of calculation approaches S. 47-58

„… three-phase symmetrical networks and applications in modeling of PWM power converters. 851 - 856. 10.1109/ICPE …” „… calculate the current harmonics are compared – Analytical approach, simplified fast simulation approach. The …” „… components. [7][8] From a modelling and simulation point of view, capturing PWM effects is not …”

F. Bayer, D. Mühlgrabner AVL Fuel Cell Demo Truck – System Integration and electrical Development S. 1-12

„… entwickelte Power Distribution Unit, welche verglichen mit PKW PDUs einen deutlich erhöhten Funktionsumfang …” „… commissioning and homologation of the vehicle. As a further, internal product highlight, a bespoke power …” „… Wärmeausdehnung zu beschädigen. Bild 3: CFD-Simulation mit Dachlüftern Mehrere Loops im 3D-CFD (Computational …”

doi.org/10.51202/9783181024218

VDI Wissensforum GmbH - International Conference on Gears 2023

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2023

Reihe: VDI-Berichte

Band 2422 2023

Treffer in den folgenden Teilen:

F. Concli, M. N. Mastrone Latest advancements in the lubrication simulations of geared systems: a technology ready for industrial applications S. 499-518

„… , “Churning power losses of ordinary gears: a new approach based on the internal fluid dynamics simulations …” „… L. Cipolla, “CFD simulations of a meshing gear pair,” in Volume 5A: Heat Transfer, Turbo Expo: Power …” „… , CFD simulation of power losses and lubricant flows in gearboxes, Vol. VDI-Berichte Nr. 2422 …”

C. van Oss, A. Hilbig, H. Sardemann, S. Schumann, B. Schlecht Opportunities arising from digital twins in gear development S. 1027-1038

„… werden. Abstract In gear development and research, application oriented quality control and simulation …” „… straightforward and consistent comparison between occurring damage and the predicted damage from simulation data …” „… universally valid but simulation-centred digital twin in gear development. To put a focus on the opportunities …”

I. Atanasovska, D. Momcilovic Analysis of new tooth profile design based on the biomimetics principles S. 945-956

„… non-involute design based on control of relative curvature [15]. The operational performances of gear power …” „… well as point to surface symmetrical contact elements for simulation the contact conditions …” „… power transmission elements, the further investigations in the presented framework is one of the …”

Titelei/Inhaltsverzeichnis

„… Power Transmission Research Laboratory, Departmentof Mechanical and Aerospace Engineering, The Ohio …” „… | 15:31:04 | 148 mm x 210 mm Planetary gears: Load distributionParametric system simulation of load sharing …” „… . Van Der Kamp, ZF Wind Power, Lommel, Belgium Load capacityReview of the definition of the loads for …”

L. Binanzer, L. Merkle, M. Dazer, A. Nicola Pitting Detection for Prognostics and Health Management in Gearbox Applications S. 97-108

„… stationary applications. The greater the power that has to be transmitted, the larger and more expensive the …” „… time keep the power output constant [1]. VDI-Berichte Nr. 2422, 2023982. Fundamentals Many drive …” „… , such as offshore wind power drives. Pitting damage on gears usu-ally occurs on single or adjacent teeth …”

C. Karampatzakis, A. Mihailidis, A. Mantzaflaris, C. Provatidis Contact simulation of tooth flanks using Isogeometric Analysis S. 413-428

„… Contact simulation of tooth flanks using Isogeometric AnalysisLeveraging the power of high order …” „… transmission systems. Power is transmitted from one gear to its mating one through the contacting teeth. Thus …” „… mented within the framework of Geometry plus Simulation Modules (G+Smo) [13], an open source isogeometric …”

M. Werner, S. Graf, M. Oehler, O. Koch Investigation of the electrical behavior of a spur gear stage pair by means of impedance measurements S. 67-80

„… diagram. This allows an electrical simulation of the mechanical components, whereby critical current paths …” „… solid-state drives. In: Industrial and Commercial Power Systems Technical Conference, 1992. Conference Record …” „… , O.: Simulation of high torque density gearbox noise excitation. In: VDI-Berichte 2389: VDI …”

doi.org/10.51202/9783181024225

VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2018

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VDI Wissensforum GmbH (Hrsg.)

Dritev – Drivetrain For Vehicles 2018

Reihe: VDI-Berichte

Band 2328 2018

Treffer in den folgenden Teilen:

M. Behzad, V. Saxena, M. Schaefer Thermal-hydrodynamic optimization of grooves in a wet clutch

„… , simulations were performed under isothermal (zero heat power) and thermal conditions by STAR-CCM+ commercial …” „… detailed flow physics. In this study, 3D CFD simulations of air-ATF two-phase flow in a grooved clutch …” „… tracking method were employed for simulations. For thermal simulations, energy equations were solved for …”

T. Högnäs, G. Beldie 48 volt torque vectoring electric rear drive module (eRDM) – Excellent driving dynamics with significant CO2 savings

„… high current losses at a nominal 12V standard, which constrains the electrical power, torque available …” „… constitute the traditional means for driveline power management in performance oriented All-Wheel Drive (AWD …” „… experience power losses of up to several tens of kW during dynamic driving at moderate or high speeds. As a …”

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

„… , zero emission standards, net upstream emissions, penalties, and other methods of restricting emissions …” „… design data from the different transmission and vehicle types will be fed into software simulations, and …” „… power, NVH, and drivability. For example, comparing a DCT to a CVT or AT says little if the DCT is …”

S. Rinderknecht, A. Esser, P. Jardin Relevance of multidimensional real-driving optimization for the development of a battery-electric vehicle 5.0

„… and the desired cabin temperature is 20 °C, a total power of 4.5 kW is needed for the operation of the …” „… demand [4], showing the significance of this consideration. To assess the actual power demand depending …” „… approximately 6 kW of waste heat for 2.5 kW of mechanical power at the wheels, the ICEV does not require an …”

N. Dudin, S. Ott, A. Albers, R. Misch, T. Rochlitzer Virtualizing validation processes of electrified powertrain generations

„… (front-loaded) to rig-based (mixed virtual-physical) and simulation-based (purely virtual) validation …” „… ). In both states, it controls the proportion and flow of power between ICE, EM, propulsion battery …” „… different powertrain topology concepts are validated in simulation and evaluated on the basis of objective …”

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

„… simulations the power of the EM is varied. In addition to legal cycles, Real Driving Emissions cycles and …” „… -machine in the P0P3 configuration, a constant power of 7.5 kW is chosen for all simulations …” „… with the electric machines, cycles and power were simulated with a modular simulation model which has …”

D. Bauer, M. Alexander Loss-optimized design of a high performance electrical machine for electric and hybrid cars

„… funktionierende Schnittstelle zur thermischen Simulation, sowie genaue Temperaturmodelle nötig. In diesem Vortrag …” „… . Abstract Efficiency (impacting range of the car / battery costs) and continuous power are of decisive …” „… Design of a High Performance Electrical VDI-Berichte Nr. 2328, 2018 183 maximum continuous power can be …”

G. van Spijk, A. Klaassen, A. van der Leest, A. Brandsma, M. Tweehuysen CVT: dedicated to hybrid solutions – Setting the benchmark on all KPI’s

„… configurations, with and without CVT. This line-up was evaluated by simulations, which enabled an equal vehicle …” „… definition for all: Vehicle: small SUV (1450 kg) Power train reference: conventional CVT Concept …” „… optimized for this vehicle category (power, ratio’s, etc.) e-machines standardized as much as possible …”

R. Heckmann Fully automated EOL E-drive testing – Automation and modularity for efficient testing solutions

„… and bus systems, and manages the energy supply, along with battery simulation, power flows, power …” „… the in-house power network or the public power grid. Fig. 3: Sustainable energy flow and energy …” „… testing technology, measurement technology and power management. For example, a wide range of electrical …”

Titelei/Inhaltsverzeichnis

„… electrified powertrains Hybrid modules Use of artificial neural networks in simulation Development tools …” „… process development – Application of moving particle simulation method to design process …” „… � � � � � � � � � � � � � � � 397 K.-P. Fritsch, ZF Friedrichshafen AG, Saarbrücken f Simulation Torque prediction in vehicle drive …”

M. Roßhuber, G. Schromm, K. Kranz The new BMW automatic transmission – Challenges in development

„… , 2018 15 3.1 Raise of power and torque limits As has been the case with the 2nd generation, the 3rd …” „… the 8HP76 both the maximum permissible power and the maximum torque were increased to 390 kW and 750 …” „… lower power input and less mechanical losses. The drag torques in the transmission were further …”

K.-P. Fritsch Industry 4.0 in the automatic transmission production

„… evaluation functions with the simulation of manufacturing processes and specific metaheuristics (algorithm …” „… actual situation and the simulation of different sturgeon sizes, a more stable production sequence …” „… , a cooperation with the competence center "Power4Production" also located in Saarbrücken was started …”

doi.org/10.51202/9783181023280

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