Filter results

Results (267)

Sort by:

Select all Select all

Page 2

VDI Wissensforum GmbH - Nutzfahrzeuge 2017 – Commercial Vehicles 2017

Partial access

Select

VDI Wissensforum GmbH (ed.)

Nutzfahrzeuge 2017 – Commercial Vehicles 2017

Series: VDI-Berichte

Volume 2298 2017

Results in this title

F. Sauter, H. Mozer, B. Fessler, J. Glückler Development of an 8-speed Automatic Transmission for Medium-duty Trucks and Buses – Market analysis, selection, detailed definition and comparison of concepts and rollout of a segment-optimized tra... S. 197-208

„… specific criteria must this system fulfill? And, once the ideal concept has been calculated, how can it be …” „… systems rated in terms of the key criteria, i.e., weight, installation dimensions, potential fuel …” „… consumption savings, gas engine compatibility, hybridization options and performance. To help put these …”

S. Schönherr, S. Kopp, M. Hellmold The NEOPLAN Tourliner – leading the way in CO2 reduction through aerodynamically optimised design – Optimised consumption with consideration to various vehicle requirements S. 115-124

„… implement the NEOPLAN design criteria, specific vehicle design and detailed design in a way that optimises …” „… Design Criteria NEOPLAN, spezi- VDI-Berichte Nr. 2298, 2017 115 fische Fahrzeuggestaltung und die …” „… optimised. When designing, implementing and transferring the NEOPLAN design criteria to the vehicle package …”

B. Grzegorzewski The next generation of natural gas trucks – Development of a 4x2 tractor with a natural gas engine S. 223-234

„… factor to match long haulage criteria. A suitable and reliable powertrain can be carried over from the …” „… Equal or better TCO Similar performance Equal reliability & safety Higher environmental …” „… chapter performance. The 8,7 liter Cursor 9 Natural Gas engine demonstrates the state of the art in …”

M. Eckert, M. Thiem, C. Beidl Development of an Electric Powertrain System for Truck Trailers S. 155-166

„… state of charge (SOC). Contrary optimization criteria are fuel consumption / CO2 emission …” „… drive-system a rather high shaft torque is needed to cover an effective recuperation and driving performance …” „… for an improved traction performance. Fig. 6: Type of Propulsion Integration …”

doi.org/10.51202/9783181022986

VDI Wissensforum GmbH - International Conference on Gears 2019

Partial access

Select

VDI Wissensforum GmbH (ed.)

International Conference on Gears 2019

Series: VDI-Berichte

Volume 2355 2019

Results in this title

K. Holder, C. Salander, S. Rudolph, R. Stetter Automated requirements-driven design synthesis of gearboxes with graph-based design languages using state of the art tools S. 713-726

„… criteria\footnote{Specifications: only spur gear stages (SP), bevel gear stage (BE) and spur gear stages, required safety margins …” „… the gear systems. For instance, a driving performance simulation for the entire vehicle or the …” „… seamless integration of domains and the resulting holistic approach, including multi-criteria optimization …”

B. Gierl, D. Drummer spur gears S. 1367-1378

„… properties. There are several ways to uplift gear performance: Material modifications with glass or carbon …” „… bench and the performance increase in terms of thermal and tribological material behavior was analyzed …” „… . Investigation of radiation crosslinking as performance enhancement for thermoplastic spur gears – Material …”

J. Tavčar, J. Kos, D. Zorko, J. Duhovnik A multi-criteria polymer gears design optimisation procedure S. 1473-1484

„… A Multi-criteria Polymer Gears Design Optimisation Procedure J. Tavčar, PhD, J. Kos, D …” „… geometry according to different criteria: the number of teeth (z1, z2), helix angle (β), and a tooth …” „… how the design parameters influence the target criteria. The objective is to fulfil the torque …”

A. Pogačnik, U. Kissling Layout of profile modifications for symmetric and asymmetric plastic gears S. 1461-1472

„… is not the main design criteria anymore. NVH (noise-vibrations-harshness) is becoming very important …” „… modifications on gear performance will be evaluated through loaded tooth contact analysis using symmetric as …” „… criteria for plastic gears Design criteria for plastic gears is usually driven by the product requirements …”

K. Humm, M.-S. Wirth, A. Linnemann, T. Schalk Determination of fatigue strength of plastic gears under consideration of environmental influences S. 1291-1298

„… with non linear elastic material model With regard to the above criteria, the calculation models …” „… differ as follows: Table 1: Plastic gear calculation method and its considered criteria in the …” „… ] International Conference on High Performance Gears 2015: Determination of Load Carrying Capacity Characteristic …”

L. Stocco Complementary strengths of orbitless & planetary drives S. 1485-1496

„… . The assembly criteria is always satisfied when the number of planets N=3, and all drives have a …” „… . VDI-Berichte Nr. 2355, 20191486 To compare performance characteristics, geometrically equivalent …” „… Drive To evaluate its performance with a more comparable manufacturing quality, and in a multistage …”

C. M. Illenberger, T. Tobie, K. Stahl Flank load carrying capacity of oil-lubricated high performance plastic gears – Analysis of the pitting development in back-to-back tests S. 1379-1390

„… Flank load carrying capacity of oil-lubricated high performance plastic gears Analysis of the …” „… under oil-lubricated conditions and the use of high-performance materials allow significant increases of …” „… as a high performance gear material in general and for elevated temperature environments in …”

B. Schlecht, T. Schulze Improved tooth contact analysis by using virtual gear twins – How helpful is AI for finding best gear design? S. 203-216

„… criteria. The analytical calculation can be made according to ten different criteria, Fig. 3: - Diameter …” „… essentially takes place by prescribing already known main dimensions or performance data which can be …”

Titelei/Inhaltsverzeichnis

„… 2019 3rd International Conference on High Performance Plastic Gears 2019 3rd International Conference …” „… University, Changsha, PR China, State Key Laboratory of High Performance Complex Manufacturing, Central South …” „… 835 H. Aurrekoetxea, I. Ruiz de Ocenda, Gamesa Gearbox, Bilbao, Spain A study of gear oil performances …”

H.-W. Raedt, T. Wurm, A. Busse Lightweight forging initiative III: transmission lightweighting potential based on design and material concepts in a split-axle hybrid vehicle and a heavy-duty truck S. 1777-1786

„… according to the criteria of lightweighting potential, production effort and the efforts for production and …” „… , it can be seen that new insights continue to be generated which enable both the performance and the …” „… mechanical Properties and Performance of Steel, AISTech2016, 16-19 May 2016, Pittsburgh, USA [6 …”

F. Eigner, R. Michel, M. Berger Analysis on the efficiency of HypoGear S. 127-136

„… outstanding acoustic properties are the main criteria of a drive. Due to the requirements for torque and …” „… . The construction is a non-final variant, which is optimized for the test bench. The main criteria for …” „… speed of the output shaft corresponding to the frequency in Figure 6. Thus, the performance of the …”

M. Uhlig, C. Pastor Simulation tool-chain for plastic gear design S. 1453-1460

„… thermo-mechanical contact performance of real tooth profiles, e. g. [4]. In these cases numerical calculation …” „… requirements further restrict potential solutions. Design criteria comprise failure mechanisms, e. g. tooth …”

B. Azzam, F. Harzendorf, R. Schelenz, G. Jacobs, W. Holweger White etching crack bearing failure: identification of high risk lubricant compounds using artificial neural networks S. 569-582

„… SRR parameters: Risk Class Criteria I (lowest risk) k4LF < 1 OR SRR > 50 II 1 ≥ k4LF < 2 AND SRR …” „… investigator in a process of tuning the ANN to reach optimal performance. Some of most influential hyper …” „… parameters on neural network performance are the number of hidden layers, the number of nodes per layer, the …”

D. Park, F. Santini, A. Rezayat, T. Tamarozzi, J. Pavel Experimental and numerical investigation of helical gear transmission error under gear misalignments S. 355-366

„… performance of gear transmission systems have increased thanks to accurate and robust modeling techniques …” „… nature of physics in gear meshing still yields unresolved issues in industry. As the design criteria and …”

I. Bae, U. Kissling Comparison of strength ratings of plastic gears by VDI 2736 and JIS B 1759 – In vision of building a new international standard S. 1267-1278

„… gears in high speed and high torque conditions are increasing with the development of high performance …” „… general comments on the decision criteria. Instead, it provides calculation examples for the factors based …”

T. Kleiber DIN Q6 meets DIN Q10 – Need for modern internal gear production S. 415-424

„… key to optimize NVH and process efficiency NVH is one of the results in overall system performance …” „… due to better NVH-Performance. On the other hand, robust parameter groups can be used to optimize …” „… stays everywhere below the acceptance criterial. Fig. 17: dB noise level after double flank …”

doi.org/10.51202/9783181023556

VDI Wissensforum GmbH - Emissionsminderung 2022

No access

Select

VDI Wissensforum GmbH (ed.)

Emissionsminderung 2022

Series: VDI-Berichte

Volume 2397 2022

Results in this title

M. Nestler Predictive Emission Monitoring Systems (PEMS) – Eine Alternative zur Kontinuierlichen Emissionsmessung mit Automatischen Messeinrichtungen (AMS) S. 213-226

„… automated measuring systems - Part 3: Performance crite-ria and test procedures for automated measuring …” „… Performance criteria on automated measuring and electronic data evaluation systems for monitoring emissions …” „… - Digital interface: General requirements, 09.2010 [18] VDI 4201 Part 2 Performance criteria on automated …”

doi.org/10.51202/9783181023976

VDI Wissensforum GmbH - Dritev – Drivetrain for Vehicles 2020

Partial access

Select

VDI Wissensforum GmbH (ed.)

Dritev – Drivetrain for Vehicles 2020

Series: VDI-Berichte

Volume 2373 2020

Results in this title

V. Null A new generation of thermal fluid technology for high performance charging of electric vehicles – How new thermal fluids can enhance battery performance in EVs

„… flammability performance and falls behind in the other four criteria. Silicon oil is another fluid option, it …” „… flammability and best in the other four performance criteria. Fig. 2: Comparison of different fluid types …” „… A new generation of thermal fluid technology for high performance charging of electric vehicles …”

T. Korb, M. Nussbaumer, S. Rinderknecht Generic optimization environment and knowledge-based guided evolutionary algorithms for automated transmission calibration – Method to generate a knowledge base through impact analysis of parameters a...

„… error criteria are not always target-oriented, thus causing unnecessary iterations and increasing …” „… output, mostly stochastic and evolutionary optimization algorithms are used to minimize the cost criteria …” „… simplification of many values into scalars by calculating simple error criteria and the unguided behaviour of the …”

S. Worrall, J. Foulsham, I. Stone, T. Gassmann CeDrive – Electric drive technology for a new era – Advanced cooling and control of high-speed eDrive

„… vehicle launch performance and max vehicle speed requirement without use of complex multi speed …” „… prove system performance on bench and in a demonstrator vehicle. ACeDrive is a UK funded project led by …” „… to define the specific system performance requirements and to derive the basic components …”

P. Ramminger, R. Jäger Evolution of the drivetrain and high voltage system in the new Corsa-e

„… from 0 to 100 km/h in 8,1 sec. Beyond those figures, there are plenty of other performance criteria …” „… and charging are explained, supplemented by performance data. The paper also compares charging …” „… . It offers full Electric Drive Performance (max 150 kW), but the pure electric range is limited to …”

C. Danzer, T. Voigt, A. Forell, M. Sens, E. Schreiterer, R. Kockisch, J. Müller, E. Schneider The systematic way to your sustainable powertrain platform – holistic and customizable – Systematical methods to investigate mobility scenarios of tomorrow

„… emission-targets the mobility needs to be assessed holistically also including sustainability criteria. With …” „… are optimized in terms of cost, efficiency and driving performance. The main powertrain parameters …” „… development targets like system costs, package, driving performance and comfort as well as functional aspects …”

S. Rothe, B. Schröder, G. Lührs Coupled topology optimization of an electric drive

„… performance of an electric drive is mainly characterized be the interaction of electromagnetic and mechanical …” „… performance of an electrical drive the optimization algorithm has to consider on the one hand electromagnetic …” „… contradictory design criteria. Thus, the key element of the topology optimization algorithm is to couple …”

A. Esser, T. Eichenlaub, S. Rinderknecht Real-driving-based comparison of the eco-impact of powertrain concepts using a data-driven optimization environment

„… . VDI-Berichte Nr. 2373, 2020 309 The vehicle’s performance, the respective brand image or monetary costs are …” „… assessment criteria for the vehicles to be compared in this work are the TED and the GHG emissions. Both …” „… criteria as objective functions. The algorithm creates populations of encoded powertrain parametrizations …”

doi.org/10.51202/9783181023730

VDI Wissensforum GmbH - Humanschwingungen 2020

Partial access

Select

VDI Wissensforum GmbH (ed.)

Humanschwingungen 2020

Series: VDI-Berichte

Volume 2370 2020

Results in this title

I. Maciejewski, T. Krzyzynski Computer-aided approach to the design of vibration reduction systems – Methods and procedures for the optimal configuration of non-linear system behaviour S. 175-184

„… vibro-isolation criteria are determined numerically that correspond to the conflicted system requirements …” „… evaluated by using its simulation model [6]. The multi-criteria optimisation procedure is engaged in order …” „… controller settings of active systems taking into account their conflicted performance requirements. Fig …”

doi.org/10.51202/9783181023709

1

2

3 ... 54