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International Conference on Gears 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2355 2019

Results in this title

C. Brecher, C. Lopenhaus, F. Goergen Transfer of the tooth flank stress into an analogy test concept to provoke the damage pattern tooth flank fracture (TFF) S. 25-36

„… Transfer of the tooth flank stress into an analogy test concept to provoke the damage pattern …” „… a concept for the investigation of the damage pattern tooth flank fracture (TFF) in an analogy test …” „… using the backto-back test rig, there is high potential for investigating this damage pattern using an …”

B. J . Siewerin, T. Tobie, K. Stahl, A. Dobler Flank load carrying capacity of hard-soft gear pairings S. 173-184

„… general, is a damage due to material fatigue, the lubrication conditions, too, have a major influence …” „… minimum thickness that is required to prevent gear damages. With some operational experience, the spray …” „… ) Pitting (b) Slow Speed Wear Figure 1: Typical gear failures [Sie19] Another typical damage for gears …”

S. Nowoisky, M. Grzeszkowski, C. Guhmann, J. G. Pelham Monitoring concept study for aerospace power gear box drive train S. 269-286

„… the gearbox. To extract the mixed friction pattern by the applied signal processing steps from the …” „… the highest sensitivity to pitting damage can be found. The kurtosis feature of the CWT coefficients …” „… the highest sensitivity to pitting damage of a test gear variant with a comparatively high single …”

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

„… back-to-back test rigs with PEEK spur gears show that typical failure modes such as wear and thermal damages …” „… can be prevented under sufficient lubricating conditions. However, fatigue damages such as pitting on …” „… pitting damage development and the resulting flank load carrying capacity of PEEK spur gears have been …”

F. Concli, C. Gorla Dynamic models for planetary gearboxes SHM S. 471-480

„… describe the behavior of the gearbox, both in healthy conditions and in the presence of damages, would …” „… . The capability to introduce the effect of damages in the model of a planetary gearbox represents the …” „… reduce the costs by preventing further damages. Jason Louis Austin [2] studied a multi-stage …”

Titelei/Inhaltsverzeichnis S. I-XXVI

„… analogy test concept to provoke the damage pattern tooth flank fracture (TFF …” „… for tooth root fracture damages of case carburised and shot-peened high strength gears of different …” „… of S-N curves for pitting based on local damage analysis …”

T. Sturmlinger, A. Comak, A. Albers, S. Gerdhenrichs, R. H. Schmitt Methodical analysis and selection of auto identification systems in the gear box manufacturing S. 1509-1520

„… evaluated by their transmission error and an optical control of the contact pattern [7] [8]. More than 90 …” „… optical control of the contact pattern [7] [8]. More than 90% off all gear sets are lapped, because of …” „… desired. Moreover, the robustness against external influences such as damage or contamination of the …”

J. Pellkofer, M. Hein, K. Stahl, T. Reimann, M. Hombauer New calculation method of the micropitting load carrying capacity of bevel and hypoid gears S. 517-528

„… adjusted in axial direction as well. Thus the contact pattern and the backlash of the test gear set can be …” „… variant “G15” (positive hypoid offset) showed a comparable micropitting damage under similar load …”

R. Ratnagiri, M. Kato, H. Kuchelka Advances in polyacetal materials for gears S. 1357-1366

„… outline the deformation micromechanisms in polyacetals that are relevant to damage accumulation under …” „… . An overview of our modeling efforts to capture the complex damage accumulation is presented. 1 …” „… domains. Polyacetals in particular have been a popular material to study fatigue damage initiation and …”

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

„… significantly limited by the tooth root load capacity. Many research studies show that the damage of the teeth …” „… itself during the deep rolling process, if necessary. To protect the carbide rollers from damage during …” „… patterns, a maximum load on the tooth root in the region of the contact point at the 30° tangent to the …”

doi.org/10.51202/9783181023556

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Dritev 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2420 2023

Results in this title

T. Schneider, K. Völkel, K. Stahl Failure Characteristics of Wet-Clutches in Limited Slip Differentials S. 307-324

„… reliable condition monitoring of wet-running clutches, knowledge of the damage patterns in the event of …” „… is executed, and the procedure is repeated until the clutch fails. Damage Patterns in Case of …” „… towards the center of the clutch assembly.Figure 6: Damage patterns of Friction System 1.The friction …”

B. James Demonstration of a Cloud-based Gearbox Digital Twin – Using telematics data for reliability predictions S. 165-182

„… Hexagon in 2020. Both ISO 281 and ISO 6336 output component fatigue damage. This does not predict …” „… failure. Rather, 100% damage for the L10 life of bearings indicates 10% failure, whereas 100% damage (a …” „… safety factor of 1.0) for gears indicates 1% failure. The conversion from fatigue damage to reliability …”

doi.org/10.51202/9783181024201

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International Conference on Gears 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2389 2022

Results in this title

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

„… damage type scuffing, which can cause a sudden and rapid failure of the gear box. Contact temperature is …” „… combinations are also prone to the failure mode scuffing at higher speeds. As scuffing damage can lead to rapid …” „… paper’s objective briefly covers the topics of scuffing damage on gears in general, scuffing load capacity …”

H.-J. Dennig, L. Zumofen, A. Kirchheim, S. Winterberg, D. Stierli Increasing the safety against scuffing of additive manufactured gear wheels by internal cooling channels S. 1345-1364

„… . Fig. 11 shows a selection of damage patterns. The rather asymmetrical distribution of the scuffing is …” „… , 2022 1359 Fig. 10: Results of the scuffing tests Fig. 11: Selection of damage patterns: A …” „… kinematic movements [8]. In the process, various types of damage can occur on the flank, such as surface …”

J. Vorgerd, P. Tenberge, M. Joop Scuffing of cylindrical gears with pitch line velocities up to 100 m/s S. 903-914

„… common failure mechanism. Particularly in turbo gearboxes with low-viscosity lubricants, the damage …” „… damage location and the surface condition. Based on the experimental results, a simulation approach with …” „… approaches. VDI-Berichte Nr. 2389, 2022 9032. Scuffing Scuffing is a spontaneously occurring surface damage …”

S. Sklenak, J. Brimmers, C. Brecher Analysis of local wear within the dry lubricated rolling- sliding contact of coated surfaces S. 305-316

„… . The damage pattern resulting from this layer failure is comparable to that of a scuffing damage [12 …” „… ]. Furthermore, the type of damage differs from the fatigue damage in the liquid-lubricated rolling contact. The …” „… gearing shown in Fig. 1 shows damage as a result of interrupted lubricant supply. The discoloration on the …”

A. Kubo, A. Ueda, R. Uehara Development of IP-bevel gears for industrial operation S. 343-356

„… , lead angle 30deg. and face width 30mm, as seen in Fig.1. The tooth contact pattern and the …” „… automotive hypoid gears, when tooth contact pattern is adjusted in good state. Fig.3 shows the example of …” „… .1. The tooth contact pattern and the transmission error under 600Nm loading was checked …”

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

„… Ground clearance VDI-Berichte Nr. 2389, 2022610 Fig. 2: Helical DEMO-gear The initial grinding pattern …” „… fretting test was chosen. The initial FZG type A gears are showing a distinct pattern of grooves in the …” „… waviness pattern was still noticeable due to high initial surface waviness and reduced process power to …”

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

„… Enhanced damage classification on transmissions by generating synthetic data withGenerative …” „… ensure a valid classification as well as damage detection. Generative Adversarial Networks (GAN …” „… identical operating conditions are extracted from the data set, so that data from different damage classes …”

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

„… energy efficiency. The design target ‘friction reduction’ arises beside contact pattern and transmission …” „… line contact edge pressure.  For gears, the tooth contacts pattern is a result of discrete tooth mesh …” „… , e.g. for estimating the risk of friction induced damages for rolling bearings with the approach of …”

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

„… must be involved because the damage computation over the duty cycles at a different speed should come …” „… throughout the optimization process to reach a design goal. VDI-Berichte Nr. 2389, 2022858Contact pattern …” „… Fig. 7 shows gear contact patterns at each pinion of the gear pair over the applied torque range at …”

P. Tenberge, J. Vorgerd, L. Gondecki 2-disc tribometer for various tests on sliding/rolling contacts with tribological loads such as in tooth flank contacts S. 145-156

„… steel surfaces by means of the chemical processes. In addition, diffusing hydrogen can severely damage …” „… effects of these innovations on the damage processes are compared during big numbers of load cycles in …” „… contact pattern test.In Fig. 8 (a), a disc design for a center distance of a = 70 mm in our first version …”

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

„… applied on the pinion side to avoid damage to the slave Temperature (°C) Density (kg/m³) Kin. Viscosity …” „… able to reproduce this effect accurately. Another pattern is a large ligament emerging close to the …” „… the tapered roller elements of the pinion. The SPH simulation contains a similar pattern that is …”

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

„… whole process repeats for the next revolution. This tooth meshing results in a pattern of local …” „… and development of contact pattern of worm gear made of CuSn12Ni2-C-GZ depending on number of load …” „… : Influence parameters on the contact pattern of worm gears [27] VDI-Berichte Nr. 2389, 20221484contact stress …”

W. Kassem, M. Oehler, B. Sauer, S. Schmidt, J. Hausmann Investigation of the time-dependent behavior of plastic gears with local tribological simulation S. 1281-1294

„… transmittable power for the same size. The most commonly cited damage mechanism is thermal overload, but plastic …” „… the contact pattern of the tooth flank increases with increasing wear towards the direction of the …” „… , F (2015) Life and damage mode modelling applied to plastic gears. Engineering Failure Analysis …”

P. Mahendra Rao, S. Foletti, L. Bonaiti, C. Gorla, S. Beretta, F. Concli Mode III threshold under rolling contact fatigue and development of a test gearbox for planet gears S. 499-510

„… ). This peculiar pattern, inherent in such thin-rimmed gears, is attributed to the phenomenon of …” „… , the extent of damage that is inflicted when the specimen is a thin-rimmed planet gear as compared to a …”

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

„… temperature (°) 130 Not heated Layer height (mm) 0.2 0.1 Print time for driven gear (h) 12 34 Infill pattern …” „… are analyzed and the damage of the gear evaluated. Failure of the gear is defined as a deformation of …” „… ] C. M. Illenberger, T. Tobie und K. Stahl, „Damage mechanisms and tooth flank load ca-pacity of …”

A. Eric, D. Olveda, T. Froschmeier, V. Schulze Local pitting fatigue concept with EHL simulation for case hardened gears in electrical drives S. 133-144

„… bending stress in the pitting fatigue damage mechanism remains unclear and goes beyond the scope of this …” „… history. The resulting local load collective is then replaced by a damage equivalent constant stress …” „… resulting damage equivalent local stress in the subsurface area between the start of single tooth contact …”

I. Hong, Z. Teaford, A. Kahraman A comparison of gear tooth bending fatigue lives from single tooth bending and rotating gear tests S. 45-74

„… studies had mixed results with multiple modes of failure and extensive damage to the gearbox upon tooth …” „… ., Steinbacher, M., and Hoffmann, F., 2016, “Influence of Hardening Pattern, Base Material and Residual Stress …”

N. Blech, T. Tobie, K. Stahl, C. Guntner, S. Schurer Material influence on mechanical properties of gears with alternative microstructures S. 265-280

„… , test gears reached the maximum number of load cycles of 50 million without any pitting damage on the …” „… three test runs finished without pitting damage. The bainitic variant B also performed better than the …” „… damage whereas variant A shows one test run without failure on each of the tested load stages. Fig. 6 …”

A. Gebhard, W. Kassem, M. Oehler Cylinder-on-ring model wear tests as an input data source for the simulation of friction and wear of plastic gears S. 1133-1148

„… . The aim of the gear multi-physics simulation is to be able to reliably predict the damage patterns …”

doi.org/10.51202/9783181023891

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International Conference on Gears 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2422 2023

Results in this title

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

„… paired with simulated contact patterns. Based on this, an automated contact pattern correction can be …” „… characterise the contact pattern displacement behaviour, the position of the contact patterns must be …” „… patterns position [4]. The centroid of the contact pattern in the -0-plane and is calculated from all …”

S. Moschkau, S. Held Optimization of product quality and manufacturing processes in real-time with vibration analysis S. 1821-1828

„… test rig by so-called ghost orders in the vibration pattern. In Fourier transform-based order analysis …” „… , such deviations in the vibration pattern come from manufacturing inaccuracies and resulting waviness on …” „… speed) also has a major influence on the vibration pattern. That is why the monitoring of the process …”

A. Miltenovic, M. Banic Influence of misalignment of large cylindrical gears on contact pattern in operation S. 1257-1266

„… Influence of misalignment of large cylindrical gears on contact pattern in operation Prof. Dr …” „… difficult to adjust the gear set central distance to achieve the proper contact pattern. Small errors that …” „… is best seen in inappropriate contact pattern during the operation of the gear pair and that are …”

J. Gründer, A. Monz Analytical Method for Calculating the Nominal Tooth Root Stress in Worm Gear Shafts S. 1091-1110

„… wheel primarily against damage of the wheel because of wear, pitting or breakage of the teeth. The aim …” „… development may lead to an increased number of damage cases on the worm shaft. In literature, documented cases …” „… avoid scuffing damage. The design of worm gears is primarily carried out on the side of the wheel to …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… State University, Columbus,Ohio, USAPreflight Lx3 am August 30, 2023 | 15:31:04 | 148 mm x 210 mm Damage …” „… using a Gear Wheel as Material Measure to detect Pitting Damage during an Endurance Test 81Y. Koch, E …” „… , FranceDevelopment of Damage-based Accelerated Life Test Code for Gearbox using Genetic Algorithm 329J.-H. Park …”

T. Schmidt, B. Neubauer, D. Merk White Etching Cracks (WECs) on gears of E-Axle applications S. 257-268

„… oil chemistry. The damage pattern on gears is similar in comparison with bearing-WECs, but the …” „… showed a dominant influence. The damage pattern on gears is similar, but the consequential damage is …” „… consequential damage is changed due to their kinematic behavior. To prove WEC-potential of gear box oils, FE8 …”

L. Braumann, H. Amri, V. S. Viteri, J. Ochoa LUBGEAR – Experimental Campaign for Aviation Gears in Loss-of- Lubrication S. 1063-1070

„… – to protect the test rig from damage – was reached. For all test conditions that resulted in stable …” „… grinding pattern leads to over 10% difference in LOL time-to-failure in TRL2-testing. In order to provide …” „… test rig, the surface of the test articles has to be closely matched regarding (1) grinding pattern, (2 …”

B. Černe, N. Vukašinović, D. Zorko In-situ experimental methods for measuring tooth meshing displacements and wear during polymer gear tests using a high-speed camera with microscopy optics S. 1563-1580

„… various forms of damage and failure, encompassing fatigue cracks at the tooth root or on the active flank …” „… , wear, strain accumulation, melting, and, in certain instances, pitting. Multiple damage mechanisms may …” „… strength, depending on the prevalent damage mechanism) and construct typical S-N curves, wear or in-mesh …”

P. Romio Spur Gear Teeth Reconstruction via Direct Laser Deposition S. 1641-1664

„… Basismaterial und dem Masseverlust während der Tests aufgetreten sind. Abstract Fatigue damage, such as …” „… presented surface damage development throughout the campaign. This exploratory work thoroughly discusses the …” „… damage (non-fatigue) (e.g., abrasive wear and scuffing); (2) Fatigue damage (e.g., pitting and tooth root …”

G. Guimarães, L. Robatto, R. Rego, A. Faria, A. Borille, J. Mascheroni Surface integrity of 20MnCr5 pinion gears manufactured through laser powder bed fusion S. 1845-1858

„… manufacturing operations, the pattern of residual stress after printing directly influenced the final residual …” „… , follows the pattern of the RS profile after the stress relief process. With the latest one being a direct …” „… decreased, but the distribution pattern remained similar. After carburizing, the zones of higher microstrain …”

T. Inoue, D. Iba, N. Fujita, A. Nishikawa, M. Ishii, J. Hu, H. Shimasaki, N. Miura, A. Masuda, I. Moriwaki, J. Hongu Effect of Load Cycles on Return Loss and Resistance of Sensor and Antenna Circuits Printed on Plastic Gears S. 659-674

„… . 1. Introduction If power is lost due to damage to gears, the machine loses its function. To avoid …” „… and damage detection after noise elimination also require advanced signal processing techniques [5][6 …” „… of the circuit part is 2 m. Fig. 4: Designed smart gear pattern and fabricated smart gear.3 …”

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

„… called flutings and represent a typical damage pattern in the context of parasitic current passage (cf …” „… current paths can be identified and the risk of damage to the affected machine elements can be assessed …” „… or affected components can be identified [12 – 16]. Fig. 1: Different types of bearing damage as a …”

C. M. C. G. Fernandes, J. M. A. Pinto, D. E. P. Gonçalves, A. R. Silva Reduction of root and flank temperature using a hybrid polymer-metal rack S. 1547-1562

„… apply the DIC technique, the surface was painted with a speckle pattern using specific sprays. Generally …” „… , it is desirable to evenly distribute the speckle pattern, avoiding an excessively dense pattern, and …” „… at the same time a pattern barely visible to the naked eye – Figure 5(a). The images were captured …”

J. Vorgerd, P. Tenberge, M. Steinrötter Scuffing load carrying capacity of high-speed gears with an isotropic superfinished surface S. 227-242

„… by friction in the local slide-roll contacts due to gear damage and thermal heat emission. The local …” „… start of mesh close to the pinions root and at the wheels tip. The damage areas surpassed the failure …” „… grooves, the surface is finely pitted. Due to the crowing, the damage area is symmetrical aligned along …”

A. Drechsel, J. Pellkofer, K. Stahl Transferability of the scuffing load capacity of gear oils determined on spur gears to hypoid gears S. 881-896

„… from the publication [1] by the authors of this paper. “Scuffing is a type of spontaneous damage in …” „… in stages until scuffing occurs or the highest defined load stage is passed without damage. In the …” „… stage that the test oil just passes without damage describes the scuffing load carrying capacity of the …”

D. Meyering, C. Hussmann Smart Gearboxes for a Sustainable and Reliable Industry S. 645-658

„… often presumed based on low dynamic motor current measurements, occurred damages, or experiences of the …” „… damages in the past often led to very conservative specification approaches and high safety factors …” „… damage equivalent torque for the bearings can be determined. This value is compared with the specified …”

N. Blech, C. Paschold, T. Lohner, T. Tobie, K. Stahl, L. Amar Review of different calculation approaches for the mean coefficient of friction in ISO 6336 S. 191-210

„… for the different types of damage to cylindrical gears. Some calculation methods require knowledge of …” „… from different experimental investigations and with respect to one particular gear damage type. ISO/TS …” „… a maximum contact temperature along the path of contact is most relevant regarding scuffing damage …”

L.-C. Chang, Q. Y. Zhuang, S.-J. Tsai, J.-F. Hochrein, S. Landler, M. Otto, K. Stahl Comparing the contact characteristics of involute gear/ eccentric cycloidal gear calculated by various loaded tooth contact analysis models S. 397-412

„… Pressure distribution under double crowning from MDL method (3) Profile crowning Tooth surface damage can …” „… contact pattern. Notably, the maximum contact stress obtained from ANSYS (Fig. 21) is around 31 MPa, while …” „… potential surface damage. The proposed LTCA model provides insights for addressing conforming contact …”

M. Rothemund, M. Otto, K. Stahl Applicability of classic analytical calculation approaches for the design of plastic gears S. 1483-1498

„… helical gear kst-CS (Table 2). The graphs show a similar pattern to the spur gear results described above …” „… pressure or the more severe influence of temperature for flank damage. VDI-Berichte Nr. 2422, 2023 1493 …” „… , Technical University of Munich (2013). [17] Illenberger, C. M.; Tobie, T.; Stahl, K.: Damage mechanisms and …”

I. Gonzalez-Perez, A. Fuentes-Aznar, J. Calvo-Irisarri, N. Bilbao-Handley, X. Lopez-Fuentes, A. Fernandez-Sison Evaluation of the effect of the rim thickness on the root stress cycle of helical planet gears with integrated rollers S. 553-568

„… ] investigated the number of VDI-Berichte Nr. 2422, 2023554loading cycles required for the damage initiation with …” „… compound thickness allows the contact pattern to be determined, for each contact position, from those …”

L. Klee, T. Bergs, M. Solf, J. Brimmers Binder Jetting in Gears – Process Design and Tooth Bending Strength for Gears made of 17-4PH S. 1665-1680

„… (hydrogen H2). After sintering, no visible damage or cracks at the gears was detected. 16 gears has been …” „… fatigue damage occurs (X axis), is only valid for the defined probability of failure Pa = 50 %. The …” „… based on defined patterns, similar to that of a chessboard. At least 50 % of all pixels (Dark 0) of a …”

F. Eigner, S. Oberle, M. Berger A non-restrictive approach of gear geometry calculation for plastic gears S. 1469-1482

„… . Shrinkage of the material. 2. Elastic and damage tolerant behaviour of the material. Furthermore, geometric …” „… development patterns leads to better and sustainable products for its own application. The conventional …”

J. Lohmiller, F. Dobler, M. Wöppermann Investigating different nodular graphite irons for the application of gears – a step towards standardization by using reasonable quality criteria S. 1731-1748

„… strength, since tooth-root failure is one of the most fatal forms of gearing damage, leading to a complete …” „… . Additionally, the alternative GJS material was cast using the same patterns and similarly analyzed. Test gears …”

doi.org/10.51202/9783181024225

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Schwingungen von Windenergieanlagen 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2301 2017

Results in this title

J. M. Gallego-, J. Gardyn Secondary Damage Detection on Main Drive Train Meana, Components of WTGs – Lessons learnt from Field experience S. 61-76

„… detection and identification of the patterns of these secondary damages, so that the results of vibration …” „… diagnosed with the same unique indicator or pattern (e.g. cases 5 and 6 do not have same data patterns …” „… Secondary Damage Detection on Main Drive Train Components of WTGs Lessons learnt from Field …”

doi.org/10.51202/9783181023013

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Dritev – Drivetrain For Vehicles 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2354 2019

Results in this title

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

„… experiments on material samples. Service life can then be determined based on damage accumulation [15]. As …” „… operating point, with which service life is ultimately determined by means of damage accumulation. 5 …” „… , because then damage of all components would be uniform. This would indicate minimum material usage and …”

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

„… measurement campaigns are used to simulate the new load cycles. Afterwards, damage calculations are executed …” „… components can be derived. By considering the well-known damage mechanisms and material-specific SN-curves …” „… , damage calculations can be carried out for individual components from which a service life prognosis …”

doi.org/10.51202/9783181023549

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Electrics / Electronics for Mobile Machines

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2442 2024

Results in this title

A. Griesing, J. Riebe Data-driven Predictive Maintenance from Sensor Networks in Customer Fleets under Compliance with new Legislation Aspects and Open System Architectures A new approach based on Operating States S. 67-74

„… knowledge of component damage beforehand due to high variation or low production quantities • No training …” „… data on component damage for neural networks available or not collectible to the necessary extent • No …” „… pseudo-damage estimation [2] (high precision). Furthermore, a small number of VDI-Berichte Nr. 2442, 202468 …”

N. Keuth, G. Schagerl, C. Mayr AI Based Battery Health Monitoring from Concept to In-Use for Better BEV Performance Accelerate engineering decision with data driven insights S. 53-66

„… balance reducing the volume of transmitted data while ensuring that all crucial damage …” „… parameters can be optimized to extend lifetime and prevent thermal damage. Fig. 8: The response surface …” „… to determine the extent of damage caused by different usage scenarios. The goal is to ensure that …”

doi.org/10.51202/9783181024423

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LAND.TECHNIK AgEng 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2427 2023

Results in this title

A. Tamrakar, M. Roberge Grain Handling Simulations in Combine Harvester – Simulation Development, Validation and Optimization S. 395-402

„… components can provide insight into wear patterns and help identify potential damage-prone areas. 3 …” „… with physical wear patterns observed in the field. Fig. 4: Qualitative validation of wear pattern …” „… , allowing farmers to complete their harvests faster [1]. A well-designed GHS minimizes grain damage during …”

P. Behr, E. Olcay, M. Maier, T. Oksanen Condition Monitoring in Agricultural Disc Mower Machinery using Deep Learning S. 117-124

„… valuable are defects detected in an early stage to avoid further damage and unmanageable situations [2 …” „… learning for image recognition," in IEEE conference on computer vision and pattern recognition, 2016. [12 …” „… approach because it excels at learning intricate patterns from complex data, which can be particularly …”

B. Teurlinx, T. Ruigrok, F. Tamminga, J. Ijsselmuiden, K. Bennin, Ö. Babur High Accuracy and High-Speed Crop Root Position Detection for Green-on-Green Mechanical Weeding S. 69-78

„… in unweeded weeds and crop damage [8,9]. Therefore, accurate localization of the crop plants is of …” „… removal of weeds close to the crop, while avoiding crucial crop damage. Therefore, ideally, not the entire …” „… measure to compare the experiments. Given the significance of detecting all crops to prevent crop damage …”

A. Baiser, B. Johanning, A. Berghaus, A. Grever Development approach for process monitoring of agricultural work processes in context of autonomous machine guidance of a tractor implement combination S. 169-174

„… tasks include, among other things, damage to work organs or malfunctions that impede normal machine …” „… work process is to recognize malfunctions and damage automatically. If such problems occur and the …” „… combination with machine or deep learning algorithms to partly detect damage, but mainly to assess the work …”

A. Foessel, R. Weires, C. Wenzel Integration of Safety, Automation and AI in Ag Equipment S. 209-218

„… , potentially leading to more severe injuries and extensive vehicle damage. 3. Regulated Traffic Flow: Adherence …” „… : operator is distracted, pedestrian is unaware of the hazard, weather, seat belt use, traffic patterns, day …”

S. Bosse, J. Magnusson, E. L. Wisotzky, A. Hilsmann, P. Eisert, E. Gassen, M. Reichardt, A. Stein, J. Heil, M. Hussaini Platform-Based and AI-Enabled Farming to Foster Agricultural Ecosystems S. 441-454

„… Agricultural Machinery To avoid side effects such as soil compaction and damage to soil structure, it makes …” „… ] and soil sampling patterns [11] or lane planning [2], to the non-destructive recording and monitoring …”

doi.org/10.51202/9783181024270

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Drivetrain Solutions for Commercial Vehicles

VDI Wissensform GmbH (ed.)

Series: VDI-Berichte

Volume 2421 2023

Results in this title

C. Schmidt Fault analysis of truck drivelines using big data methods S. 149-160

„… to different types of damage (see fig. 1). VDI-Berichte Nr. 2421, 2023150 Fig. 1: Relationship …” „… identify and isolate often multicausal damage sources and implement remedial or preventive measures …” „… ., batch effects), while left-hand bends indicate competing failure mechanisms (i.e., overlapping damage …”

doi.org/10.51202/9783181024218

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Technische Zuverlässigkeit 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2345 2019

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O. Esbel, S. Kauschke, S. Rinderknecht Predicting and Forecasting the Lifetime of Automotive Vehicle Components S. 321-X

„… predicted damage progression is extrapolated with respect to the usage pattern by a Deep Learning algorithm …” „… estimation. These methods are based on damage accumulation without capturing real-life usage patterns and …” „… incorporate yet unconsidered factors into the calculation of fatigue damage. We present a method that …”

doi.org/10.51202/9783181023457

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Biomechanical Modeling and Numerical Simulation of minimal-invasive Treatment of Hip Joint Diseases

Robert Cichon

Series: Biotechnik/Medizintechnik

Volume 295 2017

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Introduction S. 1-22

„… be resisted by one trabecular meshwork pattern going through the femoral head from the superior head …” „… across the femoral neck to the medial cortical bone. The other pattern runs from the superior area of the …” „… Treatment of Hip Joint Diseases 1.2 Diseases of the Hip Joint bearing in the joint and a resulting damage to …”

State of the Art S. 23-40

„… indicate high shear stresses [76]. Supplementary, there were di erences in the stress pattern occurring in …” „… patterns-investigation show an increase of the retropatellar pressure which leads to the anterior pain after the surgery …” „… cautious and not to damage the retinacular vessels during the osteoplasty because it can causes avascular …”

References S. 128-146

„… , 2005. [46] M. Beck, M. Kalhor, M. Leunig, and R. Ganz, Hip morphology in uences the pattern of damage …” „… . 7, pp. 873 881, 2001. [21] B. Schlink, M. Wimmer, and K. Foucher, Hip motion patterns are …” „… . Rohlmann, J. Strauss, and G. N. Duda, Hip contact forces and gait patterns from routine activities, J …”

doi.org/10.51202/9783186295170

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Bauingenieur

Browse Volumes: Bauingenieur

Bauingenieur Volume 92 (2017) Issue 06 ISSN Online: 0005-6650

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Markus Oeser, Dawei Wang, Pengfei Liu, Jing Hu Mikroskalige Analyse des Ermüdungsverhaltens von Asphalten/Microscale Analysis on Fatigue Behavior of Asphalt Mixtures S. 256-262

„… fatigue damage state of asphalt mixtures under repeated loading with the indirect tensile test (IDT) was …” „… analyzed in this study. To relate the fatigue damage behavior to the air-void content asphalt samples …” „… air-void ratio and fatigue damage was investigated. The results show that the air-void distribution can …”

doi.org/10.37544/0005-6650-2017-06

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Commercial Vehicles 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2350 2019

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

„… evaluations are undertaken of the rigidity, characteristics and damage (operational stability) of the primary …” „… excitation range and hence very important with respect to the damage to the supporting structure. In the …” „… . natural modes Equivalent Damage calculation load case For a …”

doi.org/10.51202/9783181023501

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Human Pose Estimation from Monocular Images

Bastian Wandt

Series: Informatik/ Kommunikation

Volume 869 2020

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Introduction S. 1-16

„… Pattern Recognition Workshops, 2015. This paper tackles the problem of estimating non-rigid human 3D shape …” „… Reconstruction of Human Motion from Monocular Image Sequences. In: Transactions on Pattern Analysis and Machine …” „… Analysis from Monocular Videos. In: Proc. of the IEEE Conference on Computer Vision and Pattern Recognition …”

Bibliography S. 101-116

„… Human Pose Reconstruction.” In: Conference on Computer Vision and Pattern Recognition (CVPR). June 2015 …” „… Dual Representation for Nonrigid Structure from Motion.” In: IEEE Transactions on Pattern Analysis and …” „… .” In: German Conference on Pattern Recognition (GCPR). Sept. 2017. [4] Mykhaylo Andriluka, Stefan Roth …”

doi.org/10.51202/9783186869104

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Bauingenieur

Browse Volumes: Bauingenieur

Bauingenieur Volume 95 (2020) Issue 11 ISSN Online: 0005-6650

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H. D. B. Aji, M. B. Basnet, Frank Wuttke A numerical study on the influences of underlying soil and backfill characteristics on the dynamic behaviour of typical integral bridges S. S 2-S 11

„… the soil-structure interaction on the coupled system is affected by the type of load pattern in …” „… durable, less redundant, expensive to maintain and its non-performance can lead to collateral damages …” „… pattern 5 consistently generates two mode shapes: (1) rotational-dominant mode shape, found in the mode …”

doi.org/10.37544/0005-6650-2020-11

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Results (165)

International Conference on Gears 2019

Dritev 2023

International Conference on Gears 2022

International Conference on Gears 2023

Schwingungen von Windenergieanlagen 2017

Dritev – Drivetrain For Vehicles 2019

Electrics / Electronics for Mobile Machines

LAND.TECHNIK AgEng 2023

Drivetrain Solutions for Commercial Vehicles

Technische Zuverlässigkeit 2019

Biomechanical Modeling and Numerical Simulation of minimal-invasive Treatment of Hip Joint Diseases

Bauingenieur

Commercial Vehicles 2019

Human Pose Estimation from Monocular Images

Bauingenieur