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VDI Wissensforum GmbH (Hrsg.)

Dritev 2022

Reihe: VDI-Berichte

Band 2401 2022

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P. Alagarsamy, A. Zangaro Compact Reduced Order Model (ROM) based on Finite Element (FE) Models of Power Electronics in Electric and Hybrid Vehicles S. 95-108

„… system-level simulation would not be feasible. To avoid this com-plexity in system-level simulations, foster …” „… MATLAB files are then used for System-Level Digital-Twin Simulations. 1.1. Motivation The motivation to …” „… flow rate-conditions. As run-time models they are used to predict the temperature at the power module …”

J. Kniel, M. Göckler, B. Müller Holistic thermal management as a “must have” for efficient BEV S. 397-406

„… E-Motor and Power electronics to the system requirements and vice versa. Optimizing the interface between …” „… , but normally there are specialist for each of these topics connected to the different system levels …” „… management approach with the goal to develop an excellent system together and for our customer. Fig. 2 …”

J. Merckling Use of Power-Dense Fuel-Efficient Tapered Roller Bearings in E-Drives under Low-Viscosity Oil and High-Speed Conditions S. 153-168

„… in the 2000s to reduce bearing power loss in car rear axle centers beyond what standard tapered …” „… “enhanced” TRBs designed to reduce power loss in an axle. The Timken Company has performed extensive testing …” „… , given their engine power, perform at high vehicle speeds of up to 8000 rpm for the bearings in the …”

M. Schröder, K. Herold, C. Monissen Efficiency Increase of Electric Machines with Active Thermal Field Weakening S. 119-132

„… According to the moderate power level, 400 V is defined as system voltage. For the inverter, a system with …” „… with high magnetic energy density are used due to high power requirements. Their strength cannot be …” „… . At 10,000 rpm, a high motor temperature is more favorable for up to 100 kW power. Lower temperatures …”

A. J. Wimmer High-Speed Testing: The Fast Lane towards a Running System S. 365-380

„… "plug-and-play" solution to be installed easily on existing and new test stands. Power Requirements for Testing …” „… high-speed testing was set on power, speed and torque, customers started to implement another requirement to …” „… power density of electric vehicle drives the effectiveness of heat dissi-pation must be enhanced …”

C. Ugare, A. Sibirko Plastics in high reliability Power Inverter Applications S. 209-222

„… VDI-Berichte Nr. 2401, 2022220system has high potential to increase the power density and reduces effort for …” „… reliability. The use of plastics creates new opportunities to increase power density with lower cost, reducing …” „… diesel engine by a pure electrical power train. The manufacturers are targeting to achieve several …”

F. Lagier, N. Freund, K. Bause, S. Ott, A. Albers Simulation-based evaluation of high-speed PEEK gears in automotive powertrains and design of a validation environment for high-speed gears S. 223-240

„… and efficiency of electric powertrains for individual mobility require a whole-system approach to the …” „… components in the drive system. Research shows the potential of future-proof powertrain to-pologies with …” „… comparison to metal gears, and are far less dense, allowing for a lighter system with low inertia [1]. This …”

F. Schuchter, M. Schönstein, K. Bause, A. Albers Temperature Modelling of a Dual Clutch with Artificial Neural Networks S. 335-346

„… turbulent flow can occur. Therefore, it is very complex to describe the heat transfer processes precisely …” „… addition, they optimize the contact force of the braking system with a genetic algorithm in order to obtain …” „… has to be opened or closed completely in order to protect the clutch lining. For these models, a high …”

doi.org/10.51202/9783181024010

VDI Wissensforum GmbH - Commercial Vehicles 2023

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VDI Wissensforum GmbH (Hrsg.)

Commercial Vehicles 2023

Reihe: VDI-Berichte

Band 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

„… . For the FC compared to the ICE, the heat rejection into the high temperature cooling system is roughly …” „… position, the FC truck's HT cooling system has to reject around 2.5 times more heat than an ICE truck. In …” „… required. According to literature, a three to four-fold increase in the cooling system's total heat …”

J. Heseding, P. Meyer-Roesler, D. Rasch Virtual Type-IIa – Software product for homologation of commercial vehicle BEV without additional hardware S. 93-104

„… also limits the typical accepted charge power of these batteries which leads to a limitation in system …” „… NEV driveline architectures. The endurance brake power of electric drives generally fits to Type-IIa …” „… brake is that the regenerative braking can be only applied to its needed power, if the energy storage …”

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

„… , conversion, and consumption in industry and transport. Using renewable electricity for heat and power …” „… medium-high to high power. For the fuel cell powertrain, efficiency VDI-Berichte Nr. 2417, 2023110is highest …” „… at low to medium power. At high power, the efficiency of the H2-ICE is close to or even exceeding …”

C. Peteranderl, M. Zähringer, G. Balke, J. Schneider Megawatt charging as an enabler for battery-electric long-haul trucks – is that enough? S. 55-66

„… shows the daily driving range of the MAN eTruck with the Combined Charging Sys-tem (CCS) with up to 600 …” „… , using the MCS with charging powers between 700 kW and 1000 kW, the MAN eTruck can reach up to 1000 km …” „… charging powers of around 800 kW, the time losses compared to ICETs can bekept for less than 20 min. The …”

M. Wöhrmann The air must get out of the truck, bus and trailer – Why hydro-pneumatic suspension systems are the future for electrified vehicles S. 165-176

„… systems, air suspension and a hydro-pneumatic suspension system, use the gas properties to achieve a …” „… pressures of around 8 to max. 10 bar. This system pressure requires large areas to realize the corresponding …” „… spring load. With hydro-pneumatics, the system pressures in the design position are in the range of 80 to …”

doi.org/10.51202/9783181024171

VDI Wissensforum GmbH - Commercial Vehicles 2021

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VDI Wissensforum GmbH (Hrsg.)

Commercial Vehicles 2021

Reihe: VDI-Berichte

Band 2380 2021

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L. Heber, J. Schwab, T. Knobelspies Thermoelectric generators for heavy-duty vehicles as an economical waste heat recovery system S. 17-32

„… internal combustion engines, due to a lack of techno-economic alternatives, a waste heat recovery system …” „… to [6] as: ? (1) where ? is the output power of the TEM, ? is the hot-side heat flow …” „… of solid oxide fuel cell combined heat and power system with Multi-Stage Exhaust Chemical Energy …”

S. Baker, S. Munshi, J. Huang High performance and efficiency hydrogen engine using westport fuel systems’ Commercially available HPDI fuel system S. 97-116

„… ICEs are to play in the coming decades. Internal combustion engines (ICEs) power almost all vehicles …” „… typically dominated by the diesel engine due to its superior attributes in terms of power output …” „… most promising method and has the potential to deliver the highest engine performance (torque/power …”

D. Morgenweck, M. Großmann, W. Fakler, M. Lamke, F. Bitzer ZF E-Mobility products and software for commercial vehicles S. 1-16

„… delivered power of the drive system. ZF-EMS distributes the available power to all high voltage components …” „… the waste heat of the drive system to heat up the battery or the cabin. That holds especially true in …” „… saved. Moreover, if the design of the cooling system enables to interchange heat between different …”

H. Ulmer, M. Rothschuh, F. Brinkmann, R. Wascheck, T. Delebinski eDrive & Fuel Cell powertrain systems engineering for commercial vehicles S. 55-72

„… power of 300 kW, achieves an efficiency of 50% at a constant load point, compared to 44% system …” „… power split between the FC system and the high voltage battery has to be optimized taking FC …” „… gives insight to technical challenges in FC system integration and demonstrates a tailored development …”

J. Pell, I. Müller, W. Gruber, A. Schilk E/E architecture and operating strategy for fuel-cell trucks – Challenges and solutions for energy- and cost-efficient operation S. 117-134

„… lower than the fuel cell system voltage. To distribute the electric power of the HV circuit between …” „… heat. Both systems will utilize the vehicle thermal management system (VTMS) to dissipate the heat to …” „… of freedom in the system which alows the energy management to set the power split based on the …”

M. Holzer, F.-D. Speck Hybridization of heavy duty trucks – Market analysis and technology for high voltage as well as low voltage solutions S. 33-42

„… to provide the electric energy that is needed to heat-up the aftertreatment system to achieve the …” „… has to deliver due to the limited power of the electric motor. Thus, ZF revised its concept in …” „… European Union is planning to introduce a CO2-based toll system called "Eurovignette". The target is to …”

C. Glöggler, C. Neuschl, A. Zaiser, D. Denzel Health & safety in public transport – Better climate and optimized hygiene in times of COVID-19 S. 229-244

„… conditioning or ventilation system. According to this, the vehicle can be completely purged with fresh air …” „… system. VDI-Berichte Nr. 2380, 2021234 Fig. 4: Recommendations to the driver, source: Setra.de In …” „… the HVAC system Scientists communicated to the public the scientific finding that the SARS-CoV-2 …”

doi.org/10.51202/9783181023808

Bernhard Geringer, Hans-Peter Lenz - 41. Internationales Wiener Motorensymposium 22.-24. April 2020

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Bernhard Geringer (Hrsg.), Hans-Peter Lenz (Hrsg.)

41. Internationales Wiener Motorensymposium 22.-24. April 2020

Reihe: Verkehrstechnik/Fahrzeugtechnik

Band 813 2020

Treffer in den folgenden Teilen:

E. Jean, E. Barrieu, M. Capirchia, C. Herbers Elektrisch heizbarer Katalysator: technische Anforderungen und Haupteinflussfaktoren /Electrically Heated Catalyst: Requirements, Controls and Key Parameters

„… exhaust system in order to transfer the heat from the EHC to the catalyst. . The 12V board net is …” „… an electrical catalyst heating system, a functional analysis is necessary to determine power …” „… flow/power supply, thermal inertia, efficiency of the heat transfer to the gas) can be extracted from this …”

Z. J. Sroka, Z. Sadlak Einhaltung der CO2-Emissionsnormen als Herausforderung für eine thermische Aktivierung der Verbrennungskammern in Verbrennungsmotoren /CO2 Emission Standards as a Challenge for the Thermal Activation ...

„… , all power plants connected to an electric power system used for charging are considered in the …” „… demand due to the introduction of heat-pumps(10) and the effect of reduced grid power by wind power …” „… coal-fired power generation remains in the power system it will be necessary to predict the amount of …”

O. Bitsche Porsche Taycan, 800V Technologie fur hochperformantes Laden und Fahren /Porsche Taycan, 800V Technology Enabling High Performance Charging and Driving

„… between cable crosssection, heat-loss and weight of the high voltage system, it was also necessary to …” „… short charging time requirement leads to a higher charging power demand. In order to support a charging …” „… repeatable acceleration led to a power requirement of more than 600 hp (440kW). To solve the trade-off …”

D. Song, W. Happenhofer, Z. Yuan, Y. Cui, Z. Zhang, D. Wang 1,5 T - Modulare Motorplattform mit hoher Effizienz/1.5T High Thermal Efficiency Modular Engine Platform

„… has the same main structure to achieve different power configurations, while meeting the requirements …” „… system. The hybrid version adopts low pressure EGR[9] technology to reduce knock tendency, as a result …” „… lift mode is adopted to ensure the required air volume for power and torque targets. The test results …”

R. Golisano, V. Rampino, A. Vassallo, N. P. Sacco, L. Magro, G. D'Aurizio, S. Trimboli, A. G. Marino, V. Biasin, I. Zallio, R. Vernassa, J. Wartha, D. Kaminski Der neue General Motors 1.5 Liter Diesel 3-Zylinder-Motor/The New General Motors 1.5 Liter Diesel 3-Cylinder Engine

„… found to be beneficial for both power achievement (high peak of heat release) and part load atomization …” „… oil temperature. A component with 50% increased heat exchange power was selected to guarantee faster …” „… priority is to heat the after-treatment system as quickly as possible to reach the light-of temperature of …”

S. Kweon, J. J. Park, S. H. Kim Der wasserstoffbetriebene Bus und LKW von Hyundai Motor Company/The Hydrogen-Powered Bus and Truck from Hyundai Motor Company

„… . According to the power demand, air processing system (APS) also determines the amount of supplying air into …” „… power, water and heat as shown in Figure 10. Thermal management system (TMS) controls the coolant …” „… Figure 6. Hydrogen storage system is safely designed with a high enough safety factor to protect the …”

K. Hwang, C. Yu, B. Min, Y. Kim, D. Lee, K. Ha, D. Chae, J. Yi Der neue Smartstream 1.0L DI-Turbo Ottomotor von Hyundai-Kia/The New Hyundai-Kia's Smartstream 1.0L Turbo GDi Engine

„… 12V and 48V HEV vehicles to meet the electrical demands of the market. The 48V system with …” „… pressure injection system have been redesigned to improve combustion reliability, which effectively …” „… operating conditions to improve fuel efficiency as a whole without lack of engine power. However, even …”

N. Andrisani, F. Contarin, A. Lorenzon, M. Nencioni, M. Scassa, F. Mallamo, T. Korfer, H. Busch Innovative Ventiltriebe als Beitrag zur Erfullung zukunftiger Emissionsanforderungen im Stadtbetrieb /Novel Valvetrain Design as Enabler for Compliance with Upcoming Stringent Emission Demands in Urba...

„… system are highly attractive. In order to allow the usage of cylinder deactivation as soon as possible …” „… system capable of cam profile switching down to engine temperatures well below the given minimum Euro 6 …” „… aftertreatment system to minimize pollutant emissions can be realized, exceeding the benefits of conventional …”

M. Alt, F. Gouzonnat, P. Ramminger, R. Matthe, L. K. Cloos Die Multi-Energy Platform des Opel Corsa: rein elektrisch, Benzinoder Dieselantrieb /The Multi Energy Platform of the Opel Corsa: Pure Electric, Gasoline or Diesel Propulsion

„… High-Voltage battery system can be charged with a power of up to 100 kW when the state-of-charge is low and …” „… characteristics discussed for a BEV, it may become more important than what used to be the power figure of a …” „… Control System. In addition, the Battery heater is included in the battery housing. With every module …”

R. Schlögl Kohlenstoff als zukünftiger Energieträger/Carbon as a Future Energy Carrier

„… to be multiplied by the efficiency factors of the energy conversion system (engine or power station …” „… adaptation both for the charging stations and the power system re-enforcement are added to the existing cost …” „… combustion system is used to generate electricity rather than traction power it may strongly enhance the …”

J. Kolling Die Rolle von Kooperationen fur die BMW Group/The Role of Cooperations for the BMW Group

„… , EV und zukünftig, da wo sinnvoll auch als Hydrogen. Bei der BMW Group heißt das „The power of choice …” „… und mit was sie zukünftig unterwegs sein wollen – the power of choice. Abstract As a leading …” „… changing and volatile environment. On the one hand, the BMW Group has clearly committed itself to the …”

M. Bell, S. Kollamthodi, N. Hill, A. Greaney Die „Net-Zero-Herausforderung“ - Auswirkungen der Lebenszyklusanalyse auf Antriebssystemtechnologien, Lieferketten und die regulatorische Landschaft /The Net Zero Challenge - Life Cycle Impacts on Pro...

„… considering the potential evolution of impacts to 2050 (future scenarios are based on previous system …” „… product system includes all relevant processes directly related to the use of light-duty and heavy-duty …” „… Cycle Assessment of the fuel or electricity used to power the vehicle Vehicle cycle “Embedded …”

H. Sandquist, P. Frejinger, S. Klacar, I. Scholten, S. Li System Engineering Methodik angewandt für Hybrid-Antriebssystementwicklung /Systems Engineering Methodology Applied for Hybrid Propulsion System Development

„… propulsion system development The Geely group propulsion system portfolio has been developed to provide a …” „… it increases the propulsion system efficiency. To manage the complexity Geely has developed a …” „… attributes from customer to vehicle system level and subsequently to component level is visualized in Figure …”

M. Elicker, M. Scheidt, M. Brauer, R. Pohlke, K. Hielscher, J. Geddes, J. Kiyanni Innovatives Konzept zur Erfullung der Emissionsvorschriften im Schwachlastbetrieb von Dieselmotoren fur EU7 und darüber hinaus /Innovative Concept in Diesel Low Load Emission Compliance for EU7 and Be...

„… Reduzierung der Zylinderladung. Die variable Ventilsteuerung wurde durch das eRocker System mit schaltbaren …” „… konventionellen Heizmaßnahmen deutlich abzusenken. Im zweiten Schritt wurde das eRocker System in einen AJ200D …” „… Ventilhubsteuerung erfolgt durch schaltbare Rollenschlepphebel im elektromechanischen eRocker System von Schaeffler …”

doi.org/10.51202/9783186813121

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VDI Wissensforum GmbH (Hrsg.)

ELIV 2023

Reihe: VDI-Berichte

Band 2423 2023

Treffer in den folgenden Teilen:

A. Heise Plug & Play High-Performance Computer (HPC) and Fluid Cooling Solution S. 159-168

„… system with flexible cooling pads is expected to handle heat losses between 30 W and up to 1,000 W …” „… power, allow update and upgrade options and a permanent online connection to the outside world. This …” „… of this shift to more and centralized computing power is thermal management. Higher computing power …”

S. Miller, L. Nicoletti A Holistic Approach for Designing a Battery Electric Vehicle Thermal Management System S. 77-90

„… thermal management system must manage the waste heat from the engine and ensure thermal stability. The …” „… rise of BEVs shifts the focus to the electric powertrain (traction battery, electric motor, and power …” „… degradation and aging. Therefore, to maximize power output and battery lifespan, it is crucial to keep the …”

N. Pfullmann Electrified commercial vehicle trailers – how to turn a conventional trailer into a hybrid vehicle S. 703-710

„… to change, though. In a first step, diesel generators to power the cooling unit of a reefer trailer …” „… support solutions To realise an electrified traction support system not only a high-voltage battery and an …” „… a thermal management system, additional control units etc. are also necessary to operate the vehicle …”

L. Li, M. Schlecker, T. Zipper AI-Based Energy Management of Next Generation Architectures S. 391-404

„… safety-relevance of the functions. At system failure, the EMS must adapt the energy paths to ensure the energy …” „… vehicle. Due to this, improving the system energy efficiency requires more attention in development of the …” „… actuators are not bound to a specific function or controller anymore but become now system-level resources …”

doi.org/10.51202/9783181024232

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