VDI Verlag eLibrary

Drivetrain for Vehicles 2016

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2276 2016

Results in this title

V. Warth, B. Reick, B. Bertsche, M. Geimer Efficient analysis of complex continuously variable power split transmissions with multiple in- and outputs S. 719-730

„… and spur gear stages as well as the equations of the closed switch elements in . The solution vector …” „… coefficient matrix also contains the opened switch elements and the torque equilibrium of the shafts . (2 …” „… according to the equation (3), (4) and (5) followed by the switch elements results in the extended …”

S. Heller, S. Heppel The new BMW hybrid powertrain with eight speed hybrid module S. 353-368

„… modes excellent in dynamic, precision and comfort. It ensures a seamless switch from an impressive …” „… such as curves, highway exits, intersections and round abouts, called BMW ConnectedShift. In COMFORT …” „… : BMW eDrive driving experience and electric drive functions If the driver switches into SPORT mode …”

R. Welter, M. Kneißler, M. Hausner, D. Schulteis The Fascination of Clutch-by-Wire S. 121-136

„… linear characteristic curve and the other is a nonlinear spreader spring comprising two flexible levers …” „… achieved by leaving the force/travel curve in Figure 5 unmodified and conveying the sensation of softer or …” „… called Clutch-by-Wire (CbW). A new intelligent clutch actuator and a new force emulator at the pedal …”

S. A. Pahlovy, S. Faria Mahmud, M. Kubota, M. Ogawa, N. Takakura Improvement of transmission efficiency by reducing the drag torque in disengaged wet clutch – Development of a model for calculating drag torque or spin loss of disengaged wet clutch of transmission S. 879-896

„… Discussion Fig. 9 shows the comparision of drag torque curves obtained by model calculation and conducting …” „… and, (iii) saturated. The calculated drag torque curve (which is obtained from the proposed model …” „… 2276, 2016 889 Fig. 10 shows the comparision of drag torque curves obtained by model calculation and …”

K. Fronius, A. Harsch, P. Neuwirth, J. Gindele The AMG SPEEDSHIFT DCT from the Mercedes-Benz 7G-DCT Family – Performance for the Road and Race Track in the Compact Segment S. 53-68

„… The AMG SPEEDSHIFT DCT from the Mercedes-Benz 7G-DCT Family Performance for the Road and Race …” „… A-Class. For example, the engine's output has been raised from 265 kW to 280 kW and the torque from 450 Nm …” „… performance. The transmission's torque capacity has been further raised in the given installation space, and …”

M. Hochrein, F. Mühlfeld, J. Buhl CBW system by ZF – maximum efficiency with maximum acceptance – Maximum efficiency with maximum acceptance S. 109-120

„… . In order to maximize customer acceptance the fuel sav- VDI-Berichte 2276, 2016 109 ing and comfort …” „… segments. Freewheeling as the core function for fuel saving is as well integrated as various comfort and …” „… clearly stated the urgency of the topic and sent a strong signal and message that everybody is obliged to …”

C. Ott, S. Eisenhuth, F. Jonas, T. Hofmann New Generation of Hydraulic Control Modules with Integrated Pressure Sensors for Transmission Control S. 243-256

„… behavior of CVT with µHM – shift from overdrive to low and reverse Therein the orange curve depicts the …” „… ration, the green curve line pressure, light blue primary pressure and pink secondary pressure which is …” „… . Tilo Hofmann, Robert Bosch GmbH, Schwieberdingen and Reutlingen Zusammenfassung Der Bedarf …”

A. Albers, U. Reichert, S. Ott, A. Radimersky Software supported development of a Battery Electric Vehicle powertrain considering the efficiency S. 321-338

„… efficiency A methodology for identifying mass, designed space and efficiency optimized powertrains for …” „… system and the power density of the system to increase the range of the vehicle. Besides efficient …” „… electronics and the electric machine. This leads to a higher efficiency of the whole drive system. To find …”

doi.org/10.51202/9783181022764

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Suppressing Electromagnetic Interference in Switching Converters by Chaotic Duty Modulation

Yuhong Song

Series: Informatik/ Kommunikation

Volume 850 2017

Results in this title

Realizing Chaotic Duty Modulation S. 44-56

„… , such as power switch, high-frequency transformer and rectifier diode. In Chapter 3, the chaotic duty …” „… peaks of EMI curve are flatten and the amplitudes of the fundamental component and its harmonics are …” „… curves under the normal PWM (grey) and the chaotic PWM (black) 5.4.2 EMC Test The EMC tests are exhibited …”

Introduction S. 1-13

„… electrical energy between the alternative current (AC) and the direct current (DC), or changes the voltage or …” „… an inverter DC into AC, which are called AC-DC converter and DC-AC converter respectively. The …” „… cascade of the inverter and the rectifier changes the amplitude of DC output, which is named DC-DC …”

doi.org/10.51202/9783186850102

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Antriebssystem auf Basis einer magnetisch gekoppelten Transversalfluss-Linearmaschine

Jannik Ulbrich

Series: Elektrotechnik

Volume 427 2025

doi.org/10.51202/9783186427212

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International Conference on Gears 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2422 2023

Results in this title

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

„… tribological condition. These are the discharge switch Sdischarge and the contact switch Scontact. The …” „… . 2422, 2023 75The impedance curve of the gearing at 3000 rpm and a torque of 0.2 Nm has its maximum …” „… , the impedance curve becomes approximately horizontal and shows only by higher frequencies (~100000 Hz …”

doi.org/10.51202/9783181024225

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LAND.TECHNIK 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2395 2022

Results in this title

I. Beermann, A. Kipp Synchronising machine adjustments of combine harvesters for higher fleet performance S. 65-70

„… receiver machine. In the diagram (Fig. 3) the curve of the upper sieve of the sender and receiver machine …” „… leading machine (sender) and forward each setting to trailing machines (receivers). Furthermore, a higher …” „… observe and adjust the whole fleet from the field edge. Initial testing indicates that sharing optimized …”

doi.org/10.51202/9783181023952

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Fahrzeugsicherheit

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2426 2023

Results in this title

T. Herwig, M. Sprenger, C. Fischer, L. Kübler Advanced Seat Belt Actuator Technology enabling next Level Occupant Safety S. 15-36

„… seat rail switch: front position 3. OC2: Double seat rail switch: front, mid, and rear position 4. OC3 …” „… , whereas the T-bar and WD1 act from the beginning and either the T-bar can be switch off or a second WD can …” „… paths “LL1-LL3” and “LL1-LL3-LL4” are assessed, whereby the switch from LL3 to LL4 is performed in …”

doi.org/10.51202/9783181024263

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Dritev – Drivetrain For Vehicles 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2354 2019

Results in this title

H. Merkel Solutions for increased power density at shifting clutches S. I-197-I-212

„… Spot material BW5002 has desirable curve shape. Also at low temperature and low pressure BW5002 shows …” „… the extremely high torque density of the clutch system and the ability of the system to switch …” „… , 2019 197 Abstract Modern vehicle and drivetrain concepts face many integration problems due to the …”

K. von Rueden, C. Danzer, J. Liebold, T. Mueller, T. Hirschbeck 1, 2 or 3 – how much it would be? Evaluating the need of multispeed electric drives coming from different perspectives S. I-227-I-254

„… speed VDI-Berichte Nr. 2354, 2019230 continues to rise. Typical characteristic curves for IM and PMSM …” „… with purely combustion engine drives. Fig. 2: Typical characteristic power and torque curves of …” „… acceleration gradient, the heat input of the oncoming and off going clutch and the duration of switch, torque …”

doi.org/10.51202/9783181023549

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Land.Technik AgEng 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2300 2017

Results in this title

C. Ehlert, L. Erger Development of an Intelligent Stretch Brake System S. 143-148

„… disabled via a switch in the cabin. 4. Findings during the Development Phases Forces and losses within …” „… widespread usage profile. Within this application, speeds and loads have increased over the years. Today …” „… , tractors run 50 kph (sometimes even 60kph) and tow masses up to a convoy weight of 40t (in some countries …”

doi.org/10.51202/9783181023006

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ELIV 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2357 2019

Results in this title

B. Fähnrich, A. Körner Easy Integration of 48V Mild Hybridization by Dual Voltage Battery Management – Realizing CO2 saving potentials by low implementation efforts S. 139-152

„… combustion engine immediately and switch everything over to full electrification. When looking at the matter …” „… used to switch between parallel and series connection of the lithium battery blocks in any given …” „… ms shorter cranking cycle and a lower voltage drop (brown curves). Fig. 4: Current and voltage …”

S. Wagner, F. Wüst, S. Trampert, F. Sehr, A. Middendorf, O. Wittler, M. Schneider-Ramelow Condition monitoring for failure monitoring of power electronic assemblies S. 115-126

„… attenuation of the snubber. This results in a non-linear curve between the maximum breaking voltage and the …” „… calibration, a characteristic curve map can be obtained and embedded into the microcontroller. However, this …” „… Universität Berlin Abstract Ensuring safe and reliable functionality of electronical components …”

doi.org/10.51202/9783181023570

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LAND.TECHNIK AgEng 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2361 2019

Results in this title

V. Stocklin, M. Zimmer Development of future machine concepts for the needsbased fertilisation of individual plants – The RAUCH MultiRate dosing system for pneumatic spreaders AERO GT and AERO X S. 447-454

„… when using application maps, in the headlands, field borders and spreading in curves and the higher …” „… wedge-shaped headlands and when spreading in curves was only examined in specific subareas. Results field …” „… the outer end of the curve cause under-dosing and the manifolds at the inner end of the curve cause …”

G. Bombarda, T. Maxeiner Remotely Controlled Electro-Hydraulics ready for the IoT S. 289-294

„… , Bondioli & Pavesi GmbH, Groß Gerau In this years, hydrostatic pumps and motors are evolving to respond …” „… to a request of better performances and deeper collaboration with other parts and with machine user …” „… . Integration between Hydraulic and Electronic is the solution, allowing the deployment of high-level control …”

doi.org/10.51202/9783181023617

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Plastics in Automotive Engineering PIAE EUROPE

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2343 2019

Results in this title

M. Haverkamp Multisensory appearance of traditional and innovative surfaces – Optimal design for all senses S. 471-490

„… feedback from switches. A classic mechanical pushbutton moves visibly and palpably when actuated. During …” „… behavior of switches must therefore be evaluated by measuring the relationship between actuating force and …” „… perceives the connection between force and displacement. With his finger he follows the curve until the …”

M. Gross, M. Oehm, M. Richter, G. Oberhofer Integrative crash simulation of short- fiber-reinforced thermoplastics (SFRT) – Investigation of phenomenologically based material modeling S. 97-114

„… and orthotropic - are fully included in the interpolating material card, allowing the user to switch …” „… . Fig. 10: Visualization of the static and dynamic fracture curves for an isotropic shear fracture …” „… : Comparison of force-displacement curves from experiment and simulation for a three-point bending test …”

doi.org/10.51202/9783181023433

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DRITEV – Drivetrain for Vehicles 2021

VDI-Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2381 2021

Results in this title

T. Skubacz, C. Burkhardt, S. Krischke Shift Elements for Electric and Hybrid Drivetrains – Shift elements with low drag losses, high actuation energy efficiency and integrated overload protection S. 487-498

„… closed state. VDI-Berichte Nr. 2381, 2021 491 Fig. 4: Characteristic curve of bistable disc spring and …” „… activities. Using sample parts in the real size, the characteristic curve and the service life requirement …” „… the disc spring. Fig. 6: Testing device for disc spring and characteristic curve over service life …”

T. Kaufhold, F. Schneider, O. Groneberg, A. Moser Modular Starting and Damping System integrated in 48V Hybrid Architectures – Efficient Starting System for Hybrid Vehicle Architectures S. 347-360

„… Modular Starting and Damping System integrated in 48V Hybrid Architectures Efficient Starting …” „… conjunction with a simplified pinion starter, this efficient ICE starting system has no losses at and above …” „… idle and a good cold start performance. The system is located between the ICE and the transmission …”

doi.org/10.51202/9783181023815

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Model-based diagnosis of electronic cooling fan drive systems

Michael Pagel

Series: Mess-, Steuerungs- und Regelungstechnik

Volume 1262 2018

Results in this title

The Engine Cooling Fan System S. 18-39

„… datasheet. The switching losses of the MOSFET Pl,sw,M and the diode Pl,sw,D are composed of the switch …” „… -on energy loss of the MOSFET, Eon,M, and the switch-o energy loss of the MOS- FET, Eoff,M, and the diode …” „… temperature are required for exact calculation of the air density. Both the characteristic fan curve and the …”

Fault Detection and Diagnosis of the electrical motor: Online Parameter Acquisition S. 40-98

„… switch-o time of transistor T1. The switching signals are issued by the ECU and, hence, the corresponding …” „… Detection and Diagnosis of the electrical motor: Online Parameter Acquisition Figure 4.34: Curve tting of …” „… 40 4 Fault Detection and Diagnosis of the electrical motor: Online Parameter Acquisition Knowledge …”

doi.org/10.51202/9783186262080

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Fast Calculation of Thermophysical Properties in Extensive Process Simulations with the Spline-Based Table Look-Up Method (SBTL)

Matthias Kunick

Series: Energietechnik

Volume 618 2018

Results in this title

FluidSplines – Software for Generating SBTL Property Functions S. 71-78

„… envelopes. Other isolines for p, T, v, x, u, h, or s, as well as spinodals and melting curves can be added …” „… picking curves in the 2D diagram and selecting extrapolation methods for the nodes beyond these curves …” „… software implements all features of the SBTL method (see Sec. 3) and assists the user in generating spline …”

Property Calculation Algorithms for Numerical Process Simulations S. 4-49

„… drafting tool for smooth curves and was introduced in 1946 by Schoenberg [24]. The rod is fixed to a …” „… scientific and industrial calculations is the knowledge of the thermophysical properties of the working …” „… thermodynamic property formulations for water and their applicability in computationally expensive numerical …”

doi.org/10.51202/9783186618061

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International Conference on Gears 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2355 2019

Results in this title

F. Cura ISO Standard based method for determining a global in-operation dynamic factor KAV in gears subjected to variable velocity and loading conditions S. 689-700

„… ], this method utilizes the Miner damage rule and the corresponding exponent p of Wöehler-damage curves …” „… splitting limited and infinite service life (switch sw passes from 0 to 1); the application factor KA may …” „… subjected to variable velocity and loading conditions Prof. Francesca Curà, Politecnico di Torino …”

B. Karpuschewski, T. Lierse, S. Schulze Inline-deep rolling – a new approach to increase tooth root load capacity S. 1787-1798

„… flank and covered the envelope curve of the Fig. 2: Comparison of the used roller geometries by …” „… the analysis of crack initiation and propagation, the switch-off frequency of the pulsator is set to …” „… Applied Sciences and Arts Hanover Abstract The performance capability of gearboxes is …”

T. Fukuda, M. Nakagawa, T. Hirogaki, E. Aoyama Investigation of transient response motion of differential planetary gear train during reverse rotation and starting by using high-speed camera monitoring S. 331-342

„… switch instantaneously to negative rotation, and the motion is reversed within a certain time frame …” „… rotation and starting by using high-speed camera monitoring Tomoki Fukuda, Dr. Masao Nakagawa, Prof …” „… trains (PGTs) have been used in various applications, including hybrid and electric vehicles, owing to …”

doi.org/10.51202/9783181023556

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Results (113)