Filter results

Results (477)

Sort by:

Select all Select all

Page 4

VDI Wissensforum GmbH - International Conference on Gears 2022

No access

Select

VDI Wissensforum GmbH (ed.)

International Conference on Gears 2022

Series: VDI-Berichte

Volume 2389 2022

Results in this title

L. Bo Integrated optimization of structural and control parameters for a hybrid electric system S. 927-934

„… process, so that the optimization results gradually converge to the optimal solution, so as to improve the …” „… process The overall optimization process is shown in the figure 3. RL is used to describe and solve the …” „… Fig. 3: Parameter optimization process 3.2 Control strategy based on dynamic programming algorithm …”

D. Park, A. Rezayat, Y. Gwen Gear design optimization for multi-mesh and multi-power flow transmissions under a broad torque range incorporated with multibody simulations S. 849-862

„… weighting function. A shortcoming of design optimization processes found in literature is that those …” „… the optimization process is started, the tooth geometry and microgeometry parameters continuously vary …” „… infeasible, otherwise, save it as a feasible one. This optimization process is repeated until it reaches the …”

P. Tenberge, R. Uelpenich, P. Dong, R. He Very fast tooth root optimization – general tool geometry for much smaller tooth root stresses S. 457-468

„… ) b)Fig. 8: Comparison of initial and final state of a tooth root optimizationVDI-Berichte Nr. 2389 …” „… achieved.Gear hobbing of spur gears is a highly productive process. The same tool can be used to Very fast tooth …” „… root optimization => General tool geometry for much smaller tooth root stressesProf. Dr.-Ing. P …”

N. Hessinger, M. Braunstingl, H. Bansal Advanced use of DOE in gear geometry optimization S. 281-286

„… boundaries for the optimization process. Based on this trade-off analysis for both drive and coast load …” „… Advanced Use of DOE in Gear Geometry Optimization Quality and robustness improvement of …” „… NVH-behavior, gear durability and efficiency through hypoid gear macro-geometry optimization N. Hessinger, M …”

E. Lamaj, J. Blomeke, F. Rudolph, J. Hermes A comprehensive, fully parametrized calculation model for improved helical-hypoid gearbox efficiency S. 825-836

„… digital twin optimization tool chain, considering tolerances from the actual assembly process, the …” „… factors. In this paper, the process, method, interface, and an improved fully parameterized and auto-mated …” „… . 2. Conventional Gearbox Optimization Depending on the complexity of physical phenomena under …”

P. Barreiro, S. Pfrimmer, G. Armutcu, J. Hermes Quality improvement of an aluminum gearbox housing by implementing additive manufacturing S. 1429-1446

„… mechanical properties of the housing, their reduction is also a main goal in the enhancement of the process …” „… its casting defects, while achieving simultaneously an overall improvement of the casting process. To …” „… casting process. The model was built according to given operating conditions. The stress analysis was …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… geometry optimizationParametric study of hypocycloidal involute gears …” „… , GermanyPreflight Lx3 am August 23, 2022 | 08:38:21 | 148 mm x 210 mm f Simulation and optimizationStudy on …” „… , GermanyPreflight Lx3 am August 23, 2022 | 08:38:21 | 148 mm x 210 mm f Multiparameter optimizationA comprehensive …”

M. Furst, J. Gotz, M. Otto, K. Stahl Automation of gearbox design S. 787-802

„… practice. Design optimization usually is achieved through an iterative and time-consuming process of …” „… integration of CAD/CAM systems into the design and optimization process of single-stage high-speed gear units …” „… process. To put it differently, this results in the following optimization problem, which has to be solved …”

P. Rodel, R. Spieler, M. Indenbirken, T. Nuisl Holistic friction optimization of transmissions – a significant contribution for sustainability S. 731-744

„… Holistic friction optimization of transmissions A significant contribution for sustainability …” „… are faced with new challenges. The topic friction optimization gains higher importance during …” „… required. The only means to achieve cost and time efficient holistic friction optimization is the usage of …”

M. Solf, J. Brimmers, T. Bergs Sustainable gear manufacturing – Potential and challenges S. 1395-1396

„… demands on sustainability, gear transmissions must be optimized holistically. A holistic optimization …” „… presentation, it is analyzed how the gear manufacturing processes in particular can contribute to an improved …” „… transmission sustainability. To this end, a sustainability analysis of the gear manufacturing process is …”

B. Zhmud, M. Bengtsson, L. Everlid Improving the tribological and nhv behavior of gears by mechanochemical surface finishing S. 1365-1370

„… Triboconditioning® CG gear finishing process Boris Zhmud, Ph. D., Assoc. Prof., FRSC, Martin Bengtsson, M. Sc …” „… pioneered and developed by Tribonex AB in Sweden opens up new possibilities for gear tribology optimization …” „… residual stress build-up; and (iii) tribofilm priming. The Triboconditioning CG gear finishing process can …”

B. Winter Design of manufacturing cells in the light of improvements in manufacturing technology and automation S. 1411-1414

„… spindles) to a hobbing machine and a broaching machine at the end of the cell. The hobbing process was …” „… performance increase of the hobbing process, the turning operation now needs 2 turning machines with 4 turning …” „… spindle in total. The cycle-times of the hobbing process is also very close now to the cycle times of the …”

A. Hilligardt, J. Klose, V. Schulze A new method for avoiding meshing interference in gear skiving S. 1305-1318

„… skiving is a highly productive process for machining of internal gears which are required in large …” „… the tool and workpiece can occur during the process. Models exist to check for collisions of the tool …” „… shank or collisions in the tool run-out. While these models are sufficient for the process design of …”

A. Beinstingel, M. Heider, B. Pinnekamp, S. Marburg Gear mesh excitation and non-uniform rational B-splines S. 91-102

„… strength analysis aside the optimization process of acoustically demanded toothing designs is easily …” „… generation of gearboxes is mainly referred to the characteristic transmission process of the mating gear …” „… actual power transmission process leads to oscillating forces on the shafts and bearings [1, 2]. These …”

F. Reinle, D. Mangherini, E. Morgano, A. Bongiovanni Combining improved gear efficiency and improved fatigue performance through mass finishing S. 609-620

„… within one process. Introduction The demand for improved gear efficiency in the industry is maybe more …” „… , processes related to the classic finishing like polish grinding are introduced. With this new setup a higher …” „… one process chain. In current automotive gearbox designs for e-mobility applications shot peened gears …”

N. Tros, J. Brimmers, T. Bergs Approach for multiscale modeling the thermomechanical tool load in gear hobbing S. 1489-1502

„… force and the rake face tem-perature. The hobbing process is then simulated with a geometric penetration …” „… is an established gear manufacturing process and is widely used in the wind power, automotive …” „… models have been developed to predict the resulting force components for the hobbing process [7, 8]. The …”

S. Oberle, V. Labriola, E. Melnikov, G. Gariglio High performance plastic gear solution in the engine environment S. 1033-1044

„… development process about how to replace metal gears with plastic ones. Therefore optimization studies …” „… toothing optimization design. Without taking into deep accounts these aspects and their mutual interactions …” „… variations linked to injection process, water absorption and temperature variations. The combination of both …”

T.-T. Mac, D. Iba, Y. Matsushita, S. Mukai, T. Inoue, A. Fukushima, N. Miura, T. Iizuka, A. Masuda, I. Moriwaki Application of genetic algorithms for parameters identification in a developing smart gear system S. 239-252

„… optimization process. Once the value of MSE becomes minimum, the best fitting of these two data is obtained …” „… targeted object for the analyzing process. Among of these methods, vibration analysis can be considered the …” „… and the experimental data, the proposal of GA for the data fitting process so that it can become fast …”

C. Schonke, T. Magdy, K. Daubach, W. Kassem, M. Oehler, O. Koch Simulation of high torque density gearbox noise excitation S. 837-848

„… , Technische Universitat Kaiserslautern, Germany Abstract Market requirements for cost optimization of …” „… influence. Furthermore, gear bodies with more complex geometries (e.g. for weight optimization) are …” „… adopted in development processes and is usually used only for special investigations. VDI-Berichte Nr …”

A. Spatzig, N. Fujimura, P. de Oliveira Teixeira Practical analysis of productivity of grinding tools in the process of internal generating gear grinding S. 1319-1330

„… Practical analysis of productivity of grinding tools in the process of internal generating gear …” „… provide sun and planetary gears has undergone many iterations of optimization, the ring gear was left out …” „… solution to improve the quality of ring gears as a hard finishing process with high productivity, and cBN …”

F. Muller, S. Schumann, B. Schlecht Innovative tooth contact analysis with non-uniform rational b-spline surfaces S. 171-184

„… major focus in the development of gear boxes is the optimization of the gears. The aim is to increase …” „… time, the demands on the design process are growing in terms of develop-ment time and financial effort …” „… . The use of simulation tools can shorten the design process and significantly reduce the need for …”

J.-A. Meis, M. Walkowiak Influence of case hardness depth on tooth interior fatigue fracture S. 863-874

„… mating gear. The process is performed individually for the left and right tooth flank for the pinon and …” „… analysis are supplied. Optimizations of the tooth root are also in the scope of this method. Fig. 3 …” „… optimizations The simplified assumptions for the residual stresses might also be only valid for symmetric gears …”

C. Li, B. Peng, Y. Luo Research on indexing error of gear with few teeth in rolling process S. 445-456

„… . J Mater Process Tech 258 (2018) pp. 67-79. [14]. Cailing X., Guodong W.: Optimization of cross wedge …” „… Research on Indexing Error of Gear with Few Teeth in Rolling Process Chengsheng Li, Bo Peng …” „… geometric relationship and process parameters of rolling tool at the initial stage is established. The …”

F. Eigner, S. Heinrich, M. Berger An approach on contact analysis for micro geometry optimization of the gear unit HypoGear S. 943-950

„… An approach on contact analysis for micro geometry optimization of the gear unit HypoGear Florian …” „… finding. Since the calculation process described above calculates only one tooth per gear and normaly …” „… , but no method is yet implemented in the calculation process that calculates existing geometry with …”

F. Thurner Light into the black box: using AI software to identify unknown mechanisms of action and resolve acoustic/NVH problems – practical example of a passenger car powertrain S. 779-786

„… and industries for all product safeguarding and process optimization. [1] European Patent Number 10 …” „… robust products and stable processes in a closed loop via the Analyser® Streaming Server. To validate the …” „… method can be applied to all measurable results and influence factors and can be used across processes …”

P. H. O. Teixeira, J. Brimmers, T. Bergs Consideration of micro-interaction in the modeling of generating gear grinding processes S. 1517-1528

„… Consideration of Micro-Interaction in the Modeling of Generating Gear Grinding Processes Patricia …” „… thermomechanical analysis of grinding processes have been developed. In these models, the source of heat flux has …” „… an important influence on the process thermal analysis. In the most modern of these models, the …”

L. Becker, D. Vill, P. Tenberge Optimized crossed helical gearboxes using non-involute transverse sections S. 1197-1208

„… appliances and functions in automotive engineering and production processes. As in worm gears, the high gear …” „… . 2. Calculation process Generally, crossed helical gears consists of two cylindrical gears: usually a …” „… the tip diameters result from the diameter of the material cylinders during the manufacturing process …”

A. Hessler, B. Neubauer NVH-performance versus Costs – Coherent R&D for gears, system and manufacturing S. 103-118

„… between NVH-performance of transmissions, gear quality /-costs, technology and process in gear …” „… generated with heat treatment, clamping or mishandling of the parts during the manufacturing process …” „… manufacturing process are avoidable, especially in terms of costs. Because of that, it is necessary to determine …”

B. Reetz, T. Munch, W. Kappeler Challenges for lead-free brass alloys in worm gears S. 1467-1488

„… this manufacturing process is special brass of the type CuZn37Mn3Al2PbSi (CW713R). It is alloyed with …” „… whole process repeats for the next revolution. This tooth meshing results in a pattern of local …” „… ” of CuSn12Ni2. GcB-casting is a continuous casting process for worm gears with small dimensions. The …”

D. Mevissen, L. Uhlmann, U. Kupper, J. Brimmers, T. Bergs Analysis of friction of bowl-shaped surface structures resulting from alternative gear manufacturing processes S. 1371-1382

„… Abstract Besides the established gear manufacturing processes for the finale production step, e.g …” „… processes from other technology fields in the gear production chain. For small-scale production or …” „… prototypes, electrical discharge machining (EDM) is a promising manufacturing process in regard of …”

T. Konig, M. Kley, F. Wagner, M. Liebschner Enhanced damage classification on transmissions by generating synthetic data with Generative Adversarial Networks (GAN) S. 227-238

„… the problem, especially at the beginning of development processes, that not enough data or data sets …” „… optimized and approximated during the training process. Thus, the discriminator has the task to distinguish …” „… optimization and optimization of the training duration of the networks. It has been shown that data …”

F. Donner, T. Scheu, M. Weigand Dynamic simulation of a rotor system with variable speed S. 985-994

„… shifting process onto the dynamic system to understand and analyse its influence on the turboshaft engine …” „… simulation. It will later also be used for detailed calculation and optimization of the transmission …” „… ., „Mass and Kinematic Analysis of Compound Split with Simulation of the Shifting Process for Variable …”

X. Zheng, Y. Hu FE analysis and predication on the traveling wave – resonance of aero-gears S. 915-926

„… % work state). In the working process, rotational speed ranges 14189rpm-21300rpm (72%-108.08% work state …” „… as targets in optimization. (a) (b) Fig. 2.1: Alignment and …” „… results are shown in table1.2. Table.2.2: comparison of optimization damping ring LFV (mm) HFV(mm …”

K. Fukanoki, K. Matsuo, Y. Suzuki, K. Fujiki Practical application of asymmetric tooth root geometry for downsizing automotive transmission gears S. 197-214

„… machined accuracy of tooth flanks after the hobbing process are taken into account in designing hobs for …” „… tooth root of the right and left tooth flanks in the tooth flank finishing process (Fig.4 …” „… ). Shaving cutters and honing wheels used as tools in the tooth flank finishing process for gears with …”

P. Roth, M. Hein, K. Stahl Scuffing load capacity calculation of worm gears S. 811-824

„… allows for a practice-oriented application of the method within state-of-the-art design processes of worm …” „… . It therefore is not optimal for application by users within the practical design process. Accordingly …” „… to determine the contact temperature of worm gears within the design process. Fig. 6: comparison of …”

J. Koenig, D. Kehle, K.-P. Heinzle Investigation of the failure mechanisms of plastic materials with and without fiber reinforcement S. 1269-1280

„… process. The injection molding process was designed to ensure that the cavity fills uniformly and that no …” „… different shrinkage, a separate insert was used for each material. After the molding process, the gears were …” „… failure. Further investigations should focus on the possibility of gear design optimizations for the …”

K. Yanagisawa, A. Weinmann Weight and cost reduction potentials with high performance polymers for gears S. 1019-1032

„… . The automotive industry does not stand still. Improvements in vehicle safety, optimization of design …” „… design, to receive the rough design of the gears 2. TIMON, where we analyze the injection molding process …”

F. Lagier, A. Bischofberger, K. Bause, S. Ott Suitability of additive manufactured PEEK gears as a means of gear sampling for automotive high-speed gearboxes S. 1045-1060

„… different geometrical parameters, the use of the rapid prototyping manufacturing process Fused Deposition …” „… investigation of the re-sistance of FDM-printed gears was able to show that the precision of the process is not …” „… of the manufacturing process and rule out the mechanical durability of PEEK as a limiting factor for …”

G. Hlebanja, M. Hriberšek, M. Erjavec, S. Kulovec Influence of the tooth flank shape on wear for a steel-POM gar pair S. 1295-1304

„… profile in comparison to the new gear profile. The optical scanning process VDI-Berichte Nr. 2389, 2022 …” „… mechanisms and to facilitate contacting gears optimization. Fig. 5: Wear coefficient development of a POM …”

X. Tian, L. Zhou, J. Han, L. Xia Research on tooth flank twist compensation of continuous generating grinding gear based on flexible electronic gearbox S. 1005-1018

„… can be mainly divided into the optimization of the threaded wheel, the modification curve, the …” „… process decisions[C]//International Conference on Gears, Garching/Munich, Germany. 2019: 1532-1544. [12 …”

B. Legrady, M. Taesch, G. Tschirschnitz, C. F. Mieth Prediction of churning losses in an industrial gear box with spiral bevel gears using the smoothed particle hydrodynamic method S. 651-664

„… share is squeezed towards the front tip of the pinion during the engagement process. Both effects lead …” „… loss optimization as well. Using this tool in a cloud-based environment leverages the potential of SPH …”

doi.org/10.51202/9783181023891

VDI Wissensforum GmbH - Plastics in Automotive Engineering PIAE EUROPE

Partial access

Select

VDI Wissensforum GmbH (ed.)

Plastics in Automotive Engineering PIAE EUROPE

Series: VDI-Berichte

Volume 2343 2019

Results in this title

T. Bröker, N. van Riel, G. Slik, Berend Hoek 30% weight savings and process improvement with a new ABS-LGF alloy material replacing metal for an instrument carrier, enabling a high dimensionally stable part S. 533-552

„… . Process simulations for further geometry optimization Autodesk® Moldflow® Insight’s 3D solution approach …” „… the optimization process. Further constructional measures were taken to fulfill the specification …” „… 30% weight savings and process improvement with a new ABS-LGF alloy material replacing metal for …”

Titelei/Inhaltsverzeichnis S. I-IX

„… : future requirements l Plastics as enablers for mobility concepts l Production processes and quality …” „… assurance l Simulation and process technology l Material innovations and lightweight design Top topics …” „… Plastics as enablers for mobility concepts Production processes and quality assurance Simulation and …”

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

„… innovative elements require specific optimization to ensure a positive and meaningful interaction of the …” „… this case that a multisensory optimization helps to give plausibility to unknown perceptual content …” „… principles behind the multisensory optimization of switching elements will also be considered below. 2 …”

S. Glaser, A. Wonisch, D. Fertig Thermomechanical simulation of glass-fiber-reinforced plastic components with Ultrasim® S. 115-132

„… process are used in the engine compartment, for example, for engine mounts, oil filter housings, intake …” „… under different requirements. This leads to a faster and more efficient development process [1 …” „… the fiber orientation induced by the preceding injection-molding process must be taken into account …”

W. Kornsteiner, F. Lim, H. Heitkamp, H. Traut Optimized MuCell design with FEA support of a crash-relevant functional part with high requirements for surface quality S. 553-566

„… represents an initial hurdle. 2. MuCell: the physical foaming process Microcellular foaming with MuCell …” „… is a process and plant technology that makes possible the production of molded parts at high quality …” „… and with significantly reduced costs. The MuCell process utilizes gas in the supercritical state to …”

S. Krömer Innovative processing of glass fiber grids in the injection-molding process S. 349-360

„… Innovative processing of glass fiber grids in the injection-molding process Sonja Krömer …” „… minimizes the process window. The innovation below shows an alternative solution to solid continuous-fiber …” „… problem is the formation of air inclusions during the consolidation process. The idea of a direct …”

M. Trenktrog, C. Massonet, J. Ludwig, D. Backes Design and validation of functionally integrated interior components for energy-efficient vehicle cabin heating S. 233-254

„… simulative and experimental investigations should illustrate the development process of a close-to-production …” „… emissions by introducing new, alternative drive technologies. In the process, (semi-)electrified vehicles …” „… occupants. These properties are fundamentally contraindicated and therefore require an optimization approach …”

L. Meistermann, C. Chaut, M. Nieder A new generation of quieter air ducts – Towards a silent HVAC system S. 461-470

„… over-injected with most of the polymers used in injection processes (PP, PC-ABS, PA; see Fig. 2). Locally …” „… individual, this optimization should be a collaborative effort between the OEM, the Tiers and L&L Products …”

doi.org/10.51202/9783181023433

VDI Wissensforum GmbH - Plastics in Automotive Engineering 2017

Partial access

Select

VDI Wissensforum GmbH (ed.)

Plastics in Automotive Engineering 2017

Series: VDI-Berichte

Volume 4348 2017

Results in this title

M. Kreutzmann, T. Schneider, R. Rademacher Development of a carbon-composite electro-transmission housing S. 263-270

„… Optimization process Optimization results Deriving shape Setup • Minimization of strain energy • Mass …” „… injection-molding simulations, and optimizations carried out as necessary. The load paths of the housing are …” „… determined with the aid of topology optimizations, taking tension and compression ranges into account. The …”

R. Korn, T. Reußmann 3-D direct deposition of reinforcement fibers in the fiber blowing process – State of the art in natural fiber processing S. 145-156

„… different concentrations and with different fiber lengths. 149 Tool and process optimization The …” „… 3-D direct deposition of reinforcement fibers in the fiber blowing process State of the art in …” „… (instrument panels, door beams, side panels). Component manufacturing takes place in a multi-stage process …”

O. Mende The underbody: an underestimated contribution to CO2 reduction S. 57-74

„… . However, the focus of optimization work was limited to the body alone. Possible areas of potential in the …” „… underbody remained as yet unexploited. This was also the case with the Golf 3. The first optimizations …” „… are optimizations regarding not only aerodynamic properties but also weight, resulting from …”

J. Götzelmann Bumper in thin-wall technology: an update regarding materials, processes, and technology innovations S. 75-90

„… Bumper in thin-wall technology: an update regarding materials, processes, and technology …” „… free-form surfaces. In contrast, processes manageable to a high quality level are required of suppliers …” „… application technology with process-reliable painting and welding methods. In addition, system suppliers …”

W. Schijve, G. Francato, R. Yaldiz True confidence in thermoplastic composite simulations for any automotive component S. 299-312

„… UD or multi-axial laminates in combination with an overmolding process with LFT material. Besides …” „… designed that can be produced in a representative production process and can validate all of the many …” „… different composite failure modes. The main purpose is to have sufficient process and simulation validation …”

M. Steinbach, J. Maier Methodological further development of weight reduction in vehicle interior trim parts – Current and future opportunities from an automaker's perspective S. 21-34

„… available here, starting with material selection within the context of the manufacturing processes already …” „… used for a component, and going as far as changing the manufacturing processes. These alternatives …” „… , material, process and costs. Requirements made of vehicle interior trim parts Vehicle interior trim …”

H. Hauke, J. Horstmann Lightweight carrier system for the air filter of the Mercedes-Benz Actros S. 315-316

„… help improve efficiency in modern commercial vehicles. In addition to optimizations of the drive …” „… first structural concept. A wall-thickness optimization is carried out with the structural model in …” „… demolding constraints. The 3D geometry is created in an optimization cycle and in parallel undergoes …”

J. Reddemann, H. Seifert Energy-efficient production of thermoplastic CFRP parts by one-step direct processing S. 135-144

„… impregnation process with a view to further process optimizations. With an appropriate process maturity. the …” „… fiber composites offer the possibility, via automated process routes, of producing even larger …” „… phases by integrating several process steps in a single mold. 1. Introduction Ever stricter …”

D. Häffelin Innovative processing of thermoplastic composites for the Porsche Panamera brake pedal – Continuous-fiber technology for safety components in the vehicle S. 121-134

„… fully automated manufacturing process for continuous-fiber materials for the production of …” „… volume. Continuous-fiber plastics offer lightweighting potential but until now the process chain has …” „… describes a fully automatic process chain for the production of brake pedals. It begins with plastic …”

A. Povinelli, M. Matthews, J. J. Laux, J. Goetzelmann Active aerodynamic advancements in vehicle underbodies S. 101-108

„… and optimization. 106 These processes enable Magna to offer unique and innovative solutions to …” „… early in the design process, automakers and consumers get the biggest possible benefits of drag …”

P. Gamonal-Repiso, J.M. del-Mazo, M. Sánchez-Soto Surface quality: improving the quality perception of molded parts S. 191-202

„… enough surface information and requires several optimization loops in order to obtain optimal matching …” „… engraved by Standex S.A (Barcelona, Spain) with a leather texture by means of a chemical process …” „… injection parameters were selected according to the process window. 192 Table 1: Injection parameters and …”

doi.org/10.51202/9783182443483

VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2019

Partial access

Select

VDI Wissensforum GmbH (ed.)

Dritev – Drivetrain For Vehicles 2019

Series: VDI-Berichte

Volume 2354 2019

Results in this title

S. Foulard, S. Rinderknecht, F. Braun, P. Jardin ecoLIFE3: An approach for a resource-efficient dimensioning of vehicle components based on a holistic optimization with real life load data –paradigm shift in transmission engineering based on big dat... S. I-213-I-226

„… development process. By that, future vehicle components are designed within a multi-objective optimization …” „… of a continuously monitored optimization problem within a knowledge-based development process. For …” „… the optimization process and can be compensated or even overcompensated depending on the chosen …”

P. Fietkau, N. Lamparsky, M. Felbermaier, A. Fröhlcke, T. Conze Holistic design approach for electric drives S. I-163-I-178

„… optimization process has been introduced, see Fig. 2. Using a parametric CAD model, the magnetic and …” „… are developed in the Product Development VDI-Berichte Nr. 2354, 2019 163 Process (PDP) as with …” „… reduce them. The process described here is suitable for the holistic digital design and validation of an …”

A. Grunwald Transmission system footprint related to fatigue, efficiency and NVH S. I-367-I-384

„… requirements from established process. Achieved results with visualized thresholders VDI-Berichte Nr. 2354 …” „… competitive system costs may dominate the decision process. Various potential options for the structure of …” „… packaging restriction and high power density with optimization flexibility are driving the final structure …”

A. Lampe, R. Serway, L. Große Siestrup, C. Gühmann Artificial intelligence in transmission control – Clutch engagement with reinforcement learning S. I-113-I-132

„… mandatory as it is needed in the optimization process to calculate the state trajectories , . . . , . All …” „… function. This paper presents and discusses reinforcement learning as a machine learning process in the …” „… machine learning algorithms, where it is hard to describe processes, physical relations and phenomena …”

C. Dassler, M. Kurch, M. Nichols NVH-challenges and solution approaches in electric drive development from the supplier‘s view S. I-349-I-366

„… demands. One increasingly crucial task in the product development process is fulfilling the NVH …” „… overview of the most important aspects of this process is given in Fig. 4. Fig. 4: Overview of …” „… electric motor NVH layout process Cross-correlations between current displacement and rotor eccentricity …”

M. Scherpelz, J. Bernhardt, T. Weyh Simulation of load cycles for commercial vehicle drivelines based on statistical reasoning S. III-85-III-102

„… shown in Fig. 2. Fig. 2: Overview of the total method The process starts with the definition of …” „… virtual customers based on the usage model ("How often does something happen?"). Fig. 4 gives a process …” „… ]. Fig. 4: Process overview of U·Sim (Usage Simulation, Fraunhofer ITWM) Creating a factor model and …”

A. Esser, J.-E. Schleiffer, T. Eichenlaub, S. Rinderknecht Development of an optimization framework for the comparative evaluation of the ecoimpact of powertrain concepts S. I-137-I-162

„… optimization process, which are set by a genetic algorithm by selection, mutation and recombination of the …” „… Development of an Optimization Framework for the Comparative Evaluation of the Ecoimpact of …” „… work is based on results of the publicly funded FahrKLang project, in which an optimization framework …”

A. Kinigadner, T. Biermann Schaeffler eAxle family – future solutions for the electric drivetrain S. I-567-II-VIII

„… produced in a kind of braiding process and then inserted into the stator slots. Compared to a hairpin …” „… process is eliminated. This helps to reduce eddy current losses, increase the cooling surface area of the …” „… limitations, loss optimization, torque accuracy, functional safety, and the utilization of various voltage …”

M. Bahne, A. Wiesebrock Flexible oil management for dual-clutch transmissions S. I-447-I-454

„… Transmission Control Unit (TCU) records the transmission loads, and processes and interfaces the data usage …” „… ) for real-time data transfer in communication processes between customer, garage and OEM …” „… applications Weight optimization for CO2 reduction is a continuous challenge [3]. As a part of a …”

A. Kooy, R. Seebacher Minimize torsional vibrations – Full isolation if necessary S. I-313-I-328

„… the development process and reduce the number of tests with real prototypes. This requires high …” „… influences for tolerance evaluations and damper optimization [2,3]. Beyond that, it is important to develop …” „… excitation and pendulum vibration. In this process, the vibration amplitude keeps increasing until the …”

H. Göbbels, S. Scholz, S. Volkmer Efficient 6-speed manual transmission for modern downspeeding solutions S. I-411-I-426

„… . As a result of packaging space optimization, the clutch housing of the MQ281 can accommodate a clutch …” „… powertrain combinations. 3.2 Efficiency optimization Fig. 5: Average mechanical efficiencies of …” „… all optimization potentials, special focus was on the housing development. The case and housing …”

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

„… complexity of the goals, requirements and boundary conditions are so high that optimization by means of …” „… , transmission and actuation system, the drivability optimization in multi-speed systems is of great importance …” „… focus on driving comfort optimization. IAV uses special in-house analysis tools, which also support the …”

C. Leonhardt, M. Otto, K. Stahl Potential of lightweight construction and component properties of joined spur gears S. I-179-I-196

„… stress-related design of the gear. Another advantage of this approach is that different manufacturing processes …” „… e.g. deep drawing or forging processes can be used, which can be a cost benefit in large-scale …” „… manufacturing and the heat treatment process. The multi-component design for gears in automotive dimensions has …”

P. Lück, K. Bennewitz, J. Tousen Volkswagen’s electric drivetrains of the new modular e-drive kit (MEB) S. I-515-I-530

„… values for the electric machine is a highly dynamic process. The result is optimum power utilization …” „… development process as well as optimal adoptions to the specific vehicle driving behaviour. In the MEB …” „… automated test procedures and is also automatically joined to the motor housing by a shrink-fit process …”

S. Demmerer Efficiency of electric axle drive systems – Potential of multi-speed-drives S. I-279-I-286

„… energy consumption including the efficiency of the charging process refer to the onboard charger and the …” „… kWh/100km, only depending on the charging process and infrastructure [1]. The cycle to be used by …” „… combination. For gaining efficiency benefits, a system layout and system optimization is necessary. Only by …”

M. Horn, F. Kutter, B. Vahlensieck Advanced development of dedicated hybrid concepts – Systematic search for optimal powertrain concepts S. I-1-I-20

„… the necessary torque of the electric machine. ZF has created a computer-aided process and tool …” „… process and tool chain are shown in figure 6. VDI-Berichte Nr. 2354, 2019 7 Fig. 6: Main steps for …” „… the systematic search of transmissions for dedicated hybrid concepts The created process chain …”

K. Baron, C. Rübsam, M. Werra, F. Küçükay Hybridized manual transmission – Opportunities and challenges of mild hybridization S. I-49-I-66

„… during vehicle deceleration maneuver, load point shifting for combustion optimization, support …” „… kopt is shown in Fig. 6. Fig. 6: Effect of load point shifting strategy The transition process …” „… by the ICE only. The process of engaging the clutch takes time while the hMT, for the same launching …”

B. Müller, C. Angrick, M. Fritz New concepts for electrical drive trains for high power density S. II-55-II-66

„… NVH optimization Minimized harmonics, which for their part likewise generate force effects, but …” „… detailed analysis of the individual phenomena will show. Thus there is an optimization problem, the …” „… winding is produced in a kind of braiding process and then joined in the stator slots. By allowing …”

D. Schweigert, M. Mileti, B. Morhard, M. Sedlmair, M. Fromberger, M. Otto, T. Lohner, K. Stahl Innovative transmission concept for hyper-high-speed electromechanical powertrains S. I-541-I-554

„… paths to provide the opportunity of power splitting and therefore efficiency and NVH-optimization. Hence …” „… density of batteries w.r.t. traditional fossil fuels, efficiency optimization has become one of the main …” „… synergies between electrical and mechanical components can be exploited at their best. So, the optimization …”

A. Viehmann, J.-E. Schleiffer, S. Rinderknecht Evaluation of the dedicated range-extender transmission powertrain concept DE-REX regarding efficiency, costs and complexity – Comparative assessment of electric and hybrid powertrain configurations b... S. I-21-I-48

„… based on the results of the optimization process. Therefore, the transmission and the EM were designed …” „… process, the gear ratio of the fixed-speed transmission has to be chosen according to the design …” „… results of an optimization the specific hybrid TDT variant called Two-Drive-Transmission with …”

H. Gürbüz, S. Ott, A. Albers Potentials for improving the system behaviour of highspeed clutches for BEV using optimal transmission springs S. I-265-I-278

„… the synchronization process [7]. In the open state of the clutch, the high differential speeds can …” „… Ingenieurwesen (2019), [9] Schulz, J. Seelakamp, C.-P. „Optimization of wet clutches in automatic …”

doi.org/10.51202/9783181023549

VDI Wissensforum GmbH - LAND.TECHNIK 2022

No access

Select

VDI Wissensforum GmbH (ed.)

LAND.TECHNIK 2022

Series: VDI-Berichte

Volume 2395 2022

Results in this title

A. Grever, M. Muter, B. Johanning A generic approach to bridge the gap between route optimization and motion planning for specific guidance points of highly automated machines S. 71-78

„… neglected in the route optimization process. As a result of the abstraction, assumptions are made in the …” „… providing spatial and motion knowledge into the route optimization process, to determine reliable and …” „… environmental and robot characteristics in the route optimization process can lead to a situation where a …”

Y. Ehlert A Modular Approach for a Dialog Based Assistance System to Adjust and Optimize Machines and Machine Combinations for Different Agricultural Applications S. 273-278

„… operators struggle to recall which settings need to be adjusted for different work processes with different …” „… relevant for the application. A holistic optimization system for different agricultural applications …” „… , which does not only take into account technical instructions, but also process and agronomical …”

S. Becker, B. Kazenwadel, M. Geimer Automation and Optimization of Working Speed and Depth in Agricultural Soil Tillage with a Model Predictive Control based on Machine Learning S. 55-64

„… process optimization and automation in agricultural tasks increases due to environmental challenges and …” „… Kautzmann and Geimer developed an approach for holistic efficiency optimization in agricultural processes …” „… Automation and Optimization of Working Speed and Depth in Agricultural Soil Tillage with a Model …”

A. Lindenberger, M. Uhl, M. Frank Influence of design and operating parameters on crop-flow characteristics in a self-propelled forage harvester (SPFH) using experimental and numerical methods S. 457-464

„… : Categories of SPFH crop-flow process parameters Thus, there is potential for optimization by adjusting …” „… kernel-processor settings. Significant operating parameters of the process results, like e.g. differential speed …” „… of the kernel-processor rollers, are identified and validated. Keywords: Crop-flow processes …”

S. Rottgermann, S. Haverkamp Fundamental Concept for Highly Automated Implements with Distinct Regard To Process Automation S. 359-364

„… other information are decisive factors for the optimization of the work process as well as the work …” „… holistic optimization of the work process. Quality of the Work Result To date, there is still no …” „… Handling For making a decision in the optimization process, information and data handling are two …”

J. Guo, L. Frerichs, F. Shen, S. Munstermann Analysis of abrasive wear of tillage tools on both macro- and microscopic level S. 309-316

„… geometry and material of soil tillage tools are constantly optimized. To make this process more …” „… microscopic optimization, such as soil flow, which is unmeasurable during tests, can be obtained from …” „… movement of Newton [2]. The optimization of tillage tools is performed based on load profiles in …”

T. Herlitzius, B. Striller, N. Staemmler, T. Pohl FMIS evaluation and user experience within “Landnetz” S. 501-510

„… this point of view, “machine intelligence” is limited to machine-internal process optimization, while …” „… potential of digitalization technologies and the demand to support process and farm automation (Smart …” „… entered the era of process automation, where the individual machine becomes the actuator of an FMIS. From …”

S. Schwich, J. Schattenberg, L. Frerichs, M. Gallmeier Adaptive control of a self-propelled sugar beet harvester S. 447-456

„… Machine Learning-based Assistance System for Computer-Aided Process Optimization within a Self-Propelled …” „… , process models and control algorithm M. Sc. Steffen Schwich, Dr.-Ing. Jan Schattenberg, Prof. Dr …” „… interactions to machine learning-based process models and the combination of the findings into a control …”

D. Neitemeier, S. Spiekermann, D. Irmer, J. Baumgarten, A. Wilken Automatic adjustment of auger headers with variable table length to improve a continuous crop flow and reduce pickup grain losses of a combine harvester S. 235-242

„… efficient harvest process. The header is one of the most influential components to create a homogeneous …” „… flow in the longitudinal direction. As seen in the Fig. 6 the model characteristic optimization …” „… change. Fig. 6: Characteristic diagram optimization VDI-Berichte Nr. 2395, 2022240 Furthermore the …”

Titelei/Inhaltsverzeichnis S. I-XVI

„… Soil Compaction Risk Indicator (TERRANIMO) into a Holistic Tractor and Implement Optimization System …” „… Optimization of Working Speed and Depth in Agricultural Soil Tillage with a Model Predictive Control based on …” „… and Process Optimisation Synchronising machine adjustments of combine harvesters for higher fleet …”

K. Palm, J. Guo, L. Frerichs, A. Eitzlmayr, F. Maier, P. Seil Calibration of soil models within the Discrete Element Method (DEM) S. 45-54

„… process is set up for the DEM soil model. It is still under development, but already shows good …” „… processes. For simulation, soil can be divided into three categories, namely cohesionless, cohesive and …” „… field. For the investigation of agricultural cultivation processes, the shown tests do not fulfil the …”

F. Keppler, N. Dunkelberg, S. Wagner, K. Janschek Efficient Multi-Robot Path Planning for Autonomous Weed Control on Complex Field Configurations S. 79-86

„… transformative process towards more sustainable and efficient agriculture. A key factor for increasing …” „… , however, used to be a very time-consuming process with conventional machinery. Automating this process …” „… 1 and 4 with a mutation probability of ? ∈ 0,1 . An evolutionary process is emulated by creating …”

C. Birkmann, J. Wieckhorst, J. Pieper, C. Ehlert, R. Stirnimann, M. Stettler The Integration of a Scientific Soil Compaction Risk Indicator (TERRANIMO) into a Holistic Tractor and Implement Optimization System (CEMOS) S. 29-36

„… and Implement Optimization System (CEMOS) Dr.-Ing. Christian Birkmann, Dr.-Ing. Jan Wieckhorst …” „… optimization system that is available for CLAAS tractors (CEMOS). The web-based TERRANIMO soil compaction risk …” „… destructive subsoil compaction is not perceptible removed by natural processes and that nutrient leaching and …”

S. Lorenz Machine operation task analysis – A deeper look into the shift of task profiles within operating agricultural cyber-physical production systems S. 473-484

„… highly automated agricultural systems. Changes in machine technology, operation processes and task …” „… , cloud-based routing software, process simulation and AI-based adaptive control algorithms (Liakos et al …” „… , communicating, planning, rule-based decision-making and process control under normal conditions without the …”

M. Abdipourchenarestansofla, C. Schroth The importance of data quality assessment for machinery data in the field of agriculture S. 495-500

„… production in agricultural. The data obtained can help the farmer with optimization or decision support by …” „… must be provided in a machine-readable format (e.g., JSON) to process the data in an automated fashion …” „… one addressing understandability). An illustration of the process can be found in Fig. 2. Fig. 2 …”

C. Schoerghuber, M. Ortner, M. Resel, R. Schantl, S. Puster Analysis of the tractor behavior on a powertrain test bed for tractor-specific maneuvers S. 521-528

„… unit will be performed. Also the combination with Design of Experiment (DoE) optimization methods …” „… Development Process and Utilize the In-Use Phase …” „… ?. https://www.avl.com/-/how-toaccelerate-the-vehicle-development-process-and-better-utilise-the-in-use-phase-. VDI-Berichte Nr. 2395, 2022528 …”

F. Pult, A. Stein, M. Geimer Challenges in the Use of Alternative Fuels: Solutions to handle Boil-Off Gas in Agricultural Machines S. 431-440

„… Bio-LNG can reduce emissions by up to 77 % [3]. The process chain from production of Bio-LNG to …” „… -160 °C and an input power of 3.3 kW. At the beginning of the cooling process a cooling curve is …” „… cooling curve at the beginning of the cooling process. At lower pressures the temperature difference of …”

S. Prufling, B. Langer Latest technology solutions for Charging and e-Machines – how off-road and agriculture applications can benefit from automotive innovations S. 365-380

„… in Fig. 2 and for these applications different design and optimization challenges exist. Power units …” „… multidisciplinary design optimization task. This means that every design parameter influences the electromagnetic …” „… runner motors) or higher e-Motor axial length in the electromagnetic design optimization (Fig.3). These …”

A. Opgenoorth, K. Schmitz Development of hydraulic drive systems in the context of electrified work machines S. 133-146

„… bidirectional power flow. A combustion process is generally not reversible, but in the case of the electric …” „… designs. The large-scale investment costs of batteries or fuel cells require an optimization of …”

doi.org/10.51202/9783181023952

1 ... 3

4

5 ... 96