Filter results

Results (604)

Sort by:

Select all Select all

Page 7

VDI Wissensforum GmbH - Sichere Handhabung brennbarer Stäube 2017

Partial access

Select

VDI Wissensforum GmbH (ed.)

Sichere Handhabung brennbarer Stäube 2017

Series: VDI-Berichte

Volume 2314 2017

Results in this title

K. van Wingerden, M. Ghaffari, T. Skjold Simulation of dust explosions: new developments S. 221-232

„… current guidelines available for e.g design of explosion vents, suppression and isolation, Computational …” „… multiple applications both for the design of protective measures and for prediction of external effects …” „… . The tool has been validated against a large number of large-scale experiments. The validation …”

P. Schepp, M. Sippel Neue Erkenntnisse zum Einsatz von Systemen zur Explosions-Entkopplung an explosionsdruckentlasteten Behältern S. 207-220

„… consider these pressure enhancing effects, a dangerous inappropriate design of the explosion vented vessel …” „… explosionsdruckentlasteten Behältern New Findings for the Application of Systems for Explosion-Isolation connected to …” „… systems which shall avoid transmission of flames and explosion pressure waves via connecting pipes into …”

A. Harmanny, T. Molkens The effect of vent ducts on the reduced explosion pressure in vented vessels S. 193-206

„… considerably. Since usually it is impossible to predict the location of the ignition, for design …” „… analysis of several experiments he concluded that flame accelerations can be described by assuming a …” „… The effect of vent ducts on the reduced explosion pressure in vented vessels Ir. Ake Harmanny …”

doi.org/10.51202/9783181023143

Gerald Sequeira - Prediction based activation of vehicle safety systems – A contribution to improve occupant safety by validation of pre-crash information and crash severity plus restraint strategy prediction

No access

Select

Gerald Sequeira

Prediction based activation of vehicle safety systems – A contribution to improve occupant safety by validation of pre-crash information and crash severity plus restraint strategy prediction

Series: Verkehrstechnik/Fahrzeugtechnik

Volume 817 2022

Results in this title

References S. 126-162

„… , 2015. doi: 10.1109/JSEN.2015.2413936.[126] A. Babu and B. George, ‘Design and development of a new …” „… geometry estimation experimentsC Results from three-arc based geometry esti-mation experimentsTable C.1 …” „… Center for Radio Astrophysics, Pune, India(Scientific Officer-C) - Design and development of a conical …”

Titelei/Inhaltsverzeichnis

„… estimation experiments . . . 147D Description of finite element model for occupant simulations . . . . 150D.1 …” „… Fortschritt-Berichte VDIPrediction based activation of vehicle safety systems – A contribution to …” „… improve occupant safety by validation of pre-crash information and crash severity plus restraint …”

Validation of Pre-Crash Information S. 26-53

„… byC =qU. (3.4)Based on the design of the capacitor, the capacitance can be calculated usingthe general …” „… . In [123], a design of a tactile sensor based on the capacitanceeffect to detect the contact pressure …” „… sensor,vehicle manufacturers can also modify the size and shape of the sensor suitedto their vehicle design and …”

doi.org/10.51202/9783186817129

VDI Wissensforum GmbH - International Conference on Gears 2017

Partial access

Select

VDI Wissensforum GmbH (ed.)

International Conference on Gears 2017

Series: VDI-Berichte

Volume 2294 2017

Results in this title

J. Yu, L. Yao, C. Ren, X. Yan, L. Lin Design and experimental validation on a novel tow speed transmission for electric bus S. 97-108

„… the electric bus perfectly meets the need of the design target. To further prove the effectiveness of …” „… , such method is of highly computationally efficient, but it depends on the designer's experience and …” „… , and Design, CRC Press, 2010. [2] Tseng, C.Y., Yu, C.H.: Advanced shifting control of synchronizer …”

A. Lohrengel, M. Heß Thrust cone bearings provide increased efficiency for helical gear units at moderate speed levels – Indications for possible energy saving potential in an expanded field of application S. 231-242

„… design of experiments. Note on material abbreviation: A stands for 34CrMo4; B represents 30CrNiMo8 It …” „… design parameters were identified, which enable a significant reduction of the necessary velocity for …” „… machine element in gear boxes, a description of possible design influences on limiting load values under …”

A. Kahraman, H. Ligata Effects of external splines on deformations of ring gears of planetary gear sets S. 341-352

„… predictions of a commercial deformable-body model are also shown to describe the experiments accurately. 1 …” „… as planet pass frequency are clearly present. 4. Conclusions In this study a set of experiments …” „… Strains and Load Sharing in Planetary Transmissions – Model and Experiments,” J. Mech. Design, 130 …”

J. Reißmann, E. Leidich Computation of the tooth root strength of Worm Wheels with a calculation program based on local stresses S. 373-394

„… purpose and the design of the worm gear. In case of high torque and low speed, the tooth root strength of …” „… the wheel is the crucial design criterion. Fig. 1: A worm gear without housing State of the art …” „… , so the load of the FE Model (which is equal to the fatigue load of the experiment) is nearly the …”

D. Liang, B. Chen, R. Tan, C. Li Tooth profiles design and stress analysis of double helical gear transmissions with geometric elements constructed tooth pairs S. 411-420

„… Tooth profiles design and stress analysis of double helical gear transmissions with geometric …” „… manufactured using CNC machining technology. The further experiments on transmission properties of gear …” „… ; Curve-curve contact theory; Parametric design; Stresses analysis 1. Introduction New types of gear drive …”

M. Oehler, B. Magyar, B. Sauer A new standardizable calculation method to predict the efficiency of worm gear drives S. 363-372

„… parameter field for this study was created with design of experiments (DoE) to take into account a wide …” „… for the efficiency of worm gear drives was developed. This method is validated by experiments with …” „… each other in terms of the expected operating efficiency during the design phase. The approximation …”

O. Berka, M. Dub, F. Lopot Experimental measurement of gears impact in transmission S. 1119-1126

„… depending on transmitted power (chap. Experiment – working zones). Fig. 8: Progress of coefficient KHβ …” „… in zones From the course of the described graph, various conclusions about the design both of the …” „… is stated. - the design of the gearing needs further treatments, because experimentally observed …”

M. Kanters, B. van Wissen, R. Nickel Relevant tribological testing method for high performance plastic gears S. 1507-1518

„… obtained from a corotating disc experiment to the wear of actual gears using FEM. The approach is discussed …” „… dominate the results of the experiment. To circumvent this issue while still being able to access …” „… indicates that the outcome of the D2D can be used in the design process of specific plastic gear trains and …”

A. K. Shojaei, P. Volgers, M. Cassata Advanced modeling and experimental techniques for fatigue life prediction of plastic gears S. 1575-1582

„… assessment of its performance in capturing several experimental testing results. The developed design tool …” „… , creep and shifts in the load sharing of plastic gears through their lifetime. This paper may aim design …” „… , and may provide a design tool for optimization tasks. 1. Introduction In most of metal …”

E. Tanaka, H.-C. Lin Gear diagnostic system using zonal laser beam for practical use S. 845-856

„… experience of previous researches. Table 1 shows the result of the experiment. The errors of the damaged …” „… Damage Using Laser Scattering, Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol …” „… ), Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol. 7, No. 3, (2013), pp. 348-361 …”

B. Schlecht, F. Rudolph, S. Schumann Experimental studies and simulation of hypoid gear lapping S. 1403-1414

„… , Dipl.-Ing. Felix Rudolph, Dr.-Ing. Stefan Schumann, Institute of Machine Elements and Machine Design …” „… determination of these is largely dependent on experiments and the experience of single employees. Lapping is …” „… 1405 gear sets. However, the results of the lapping simulation are not validated by actual experiments …”

Y. Shen, S. Rinderknecht, M. Hoppert General modelling method of power losses in transmission with parameter identification S. 905-916

„… there are different bearing types that vary in terms of geometry and design parameters. Therefore, the …” „… experiment data for the overall efficiency of the transmission at specific input toque and input speed …” „… Stuart H. Loewenthal. "Design of spur gears for improved efficiency." Journal of Mechanical Design 104.4 …”

T. Frech, C. Löpenhaus, F. Klocke Influence of the contact conditions in cold rolling on the density profile of powder metallurgical (PM) gears S. 1265-1276

„… conditions will be investigated at constant slip of s = 0. 3. Design of Experiments The design of …” „… VDI-Berichte Nr. 2294, 2017 1267 Fig. 3: Design of Experiments The bulk density is varied in the range 6.8 …” „… shown at the bottom of Figure 4. ω0ω0 r0r0 r2 ω2 w0 w2 Tool A Tool BWorkpiece Design of Experiments …”

B. Schlecht, T. Schulze, K. Riedel Tooth contact analysis under load on double helical-geared planetary gearboxes S. 83-96

„… advantages are the coaxial arrangement of input and output and a symmetrical design. A software [2] has …” „… gearboxes. These results are verified by several experiments and analyzed contact patterns of gearboxes in …” „… equal calculation methods for all elements. Because of the possibility of any design customized for a …”

C. Zhang, H. Liu, C. W. Yao, Y. Li Study of vibration for spur gears of tooth profile modification and experimental validation of modification method S. 527-538

„… non-modification and tooth profile modification respectively. Secondly, the experiment is carried out for both of …” „… modification theory of gear system is not only beneficial to the design of the gear system with good …” „… by experiments. The experimental results confirm the feasibility and correctness of the tooth profile …”

M. Kalin, A. Kupec Wear and Fatigue Behaviour of Polymer Gears under Controlled Temperature Conditions S. 1637-1648

„… Wear and Fatigue Behaviour of Polymer Gears under Controlled Temperature Conditions Prof …” „… . Mitjan Kalin, Dr. Alja Kupec, Laboratory for tribology and interface nanotechnology, Faculty of …” „… Mechanical Engineering, University of Ljubljana, Slovenia Abstract The testing procedures and reported …”

T. Nagumo, M. Ishizuka, Y. Satou, S. Matsumura, H. Houjoh Estimation of loaded static transmission error using vibration measurement under operating conditions in a two-stage helical gear reducer S. 857-868

„… experiment. A comparison of Figure 6 (c) and Figure 6 (d) confirmed that the estimated result qualitatively …” „… and misalignments, Transactions of the ASME Journal of Mechanical Design 135 (2013) 12 pp …” „… Estimation of loaded static transmission error using vibration measurement under operating …”

J. Papies Load distribution in planetary gears considering effects of manufacturing tolerances with a statistical approach S. 783-794

„… integral part of simulation routines. This leads to the Design of Experiments (DoE) [2,3] technique to …” „… – which have to be avoided within the design process. In the case of prototypes and small series this …” „… very large number of similar random experiments. According to the law of large numbers, the arithmetic …”

G. Hlebanja, S. Kulovec, D. Zorko, J. Hlebanja, J. Duhovnik Influence of the tooth flank shape on thermal load of the gear S. 1583-1592

„… higher quality and reflected actual tooth flank geometry. Two types of experiments were conducted, first …” „… efficiency of such action has not been defined precisely, yet. This implies that the design of moulds should …” „… curves based on previous experiments showed a distinctive difference between S- and E-gears in favour of …”

E. Tamura, R. Nemoto, N. Seyama, E. Tanaka Load carrying capacity of crossed helical gears with high contact ratio S. 1139-1144

„… . 3. 3. Design Example of Crossed Helical Gears The center distance a=80.61 mm and the shaft …” „… Load Carrying Capacity of Crossed Helical Gears with High Contact Ratio Prof. E. Tamura, Prof …” „… . R. Nemoto, Ass. Prof. N. Seyama, Tokyo Metropolitan College of Industrial Technology, Tokyo, Japan …”

M. Shuai, M. Shuai, J. Guoguang, Z. Yidu, L. Chao, H. Haruo Research on multiple-split load sharing characteristics of 2-stage external meshing star gearing system S. 769-782

„… misalignments [J]. Journal of Mechanical Design, 1985, 107(1): 4-10． [3] Krantz T L. A Method to Analyze and …” „… ] Krantz T L, Delgado I R. Experiment Study of Split- path Transmission Load Sharing [R]．NASA technical …” „… of transmission planetary gear sets: Model and Experiment[J]. Transmissions and Driveline System …”

S. Grützner Holistic simulation of gearboxes – system simulation S. 51-60

„… the design phase of such systems it is essential to know the gearbox behavior under consideration of …” „… potential natural frequencies in gearsets is critical as part of the design process to ensure a long …” „… comparison of four design variants of a planetary gear set with four planets. Four design variants are …”

C. Brecher, C. Löpenhaus, F. Goergen, D. Mevissen Crack propagation analysis of pitting damages of high-strength material systems in gear applications S. 281-292

„… focusses on the comparison of the damage characteristics observed in the experiment with different stress …” „… the experiment are compared with the results of the stress analysis. 3. Experimental Analysis …” „… Crack Propagation Analysis of Pitting Damages of High-Strength Material Systems in Gear …”

H. Hansson, H. Alm, A. Eng, M. Olsson Beveloid gears in planetary gear trains for increased Grundström, power density and reduced backlash Stensson, S. 579-590

„… Experiments”, Proceedings of the ASME 2007 international Design Engineering Technical Conference & Computers …” „… maximum loaded planet gear carries / which is the torque that also must be used for design of gears …” „… balance between cost and increased torque density must also be considered when choosing number of planet …”

R. Weidig Adoption of polymer gears – Challenges and solutions S. 1565-1574

„… the influence of performance a detailed Design of Experiments (DOE) was conducted in a calibrated …” „… of design the aim should not be to copy the incumbent metal geometry, as this would not lead to an …” „… Adoption of Polymer Gears Challenges and Solutions Dipl.-Ing. Ralf Weidig, Victrex Europa …”

C. Peng, C. Li, B. Chen Development of a test rig for transmission performances of precision planetary reducer S. 1127-1132

„… stiffness experiment for precision reducers, some issues such as the way and accuracy of load and the …” „… design To measurement the torsional characteristics of precision planetary driver, a test rig, shown in …” „… cycloidal-pin gear speed reducer. Journal of Machine Design31 (2014) pp. 33-36 [5] The, L.T, Anh, D.P and …”

B. Guilbert, P. Cutuli, P. Velex Hybrid dynamic model of hollow thin-rimmed gears S. 623-634

„… spur and helical geared systems-experiments and model validation, Journal of mechanical design,124:334 …” „… dynamic behaviour of solid wide-faced spur and helical gears, Mechanism and machine design, 40:173-190 …” „… planet carriers, Journal of mechanical design, 129(1):95-106, 2007, DOI:10.115/1.2359468. [6] Bettaieb …”

D. Iba, S. Futagawa, T. Kamimoto, M. Nakamura, N. Miura, T. Iizuka, A. Masuda, A. Sone, I. Moriwaki Print of crack detection sensor for spur gears by laser sintering of conductive ink S. 869-880

„… Table 3. In addition, we design a crack detection sensor along the line of normal profile of the gears …” „… thickness is 1mm. The size of the plate is 50mm x 50mm. In this experiment, the distance is changed from 36 …” „… Print of crack detection sensor for spur gears by laser sintering of conductive ink …”

C. Gorla, E. Conrado, F. Rosa, F. Concli Austempered Ductile Iron (ADI) for gears: manufacturing, performances and tests S. 977-988

„… represents an obstacle for the design of gears made of ADI. In order to obtain a reliable estimation of the …” „… irons of different grades, which could be used for design in combination with the curves for YNT and …” „… the context of the design of an innovative family of low backlash precision planetary gearboxes, the …”

E. Maier, A. Ziegltrum, T. Lohner, K. Stahl Characterization of TEHL contacts of thermoplastic gears S. 1483-1496

„… . This can be used to approximate reduction of macroscopic sliding speed in experiments. Reynolds …” „… section is to analyze the impact of contact heat on the tribological performance and the design of …” „… operating conditions will be conducted to improve the design of lightweight and efficient power …”

V. Angelopoulos, M. Hirsch PM gear rolling simulations using advanced plasticity material model and improved initial conditions S. 1277-1288

„… . The optimization of this process is critical in order to reduce the overall design time and to …” „… increase the quality of the rolled gear. One way to optimize the process, tool design and gear with stock …” „… after the primary manufacturing process (pressing of powder particles-sintering). To reduce the …”

F. Concli, C. Gorla Numerical modeling of the churning power losses of gears: an innovative 3D computational tool suitable for planetary gearbox simulation S. 881-892

„… increasingly widespread approach that can help the designers in the development of new products. In the …” „… . Moreover, in the field of structural design and strength analysis, with respect to the various failure …” „… conditions and design, thus overcoming the main drawback of the empirical models. Nevertheless, the …”

C. Brecher, C. Löpenhaus, J. Pollaschek Influence of surface layer properties on tooth root bending strength of cylindrical gears S. 421-432

„… densities require a gear design that enters the border area of material capacity. To embrace the potential …” „… . The aim of lightweight designs in drive technology - particularly in relation to E-mobility - can …” „… the boundary of gear design into areas that are closer to the ultimate fatigue limit of the material …”

Z. Roth, J. Opferkuch High load capacity gear root fillet contour with a bézier curve S. 719-732

„… the stress distribution is not so much influenced by the external load but largely by the design of …” „… Gestaltgesetze der Natur (Secret Design Rules of Nature)“[1]. Especially the transition of a tree trunk to the …” „… parameters. At the same time, the more liberal design now enables the optimum adaptation of the gear root …”

M. Schwenk, J. Hoffmeister, J. Hermes Prediction of local load carrying capacity for gears – a materials science approach S. 989-1002

„… allow the use of the materials data given in [24]. During the experiments, the temperatures were …” „… modelling is an important tool during the design stage of new products, especially for gear boxes. However …” „… Prediction of local load carrying capacity for gears – a materials science approach Dr …”

A. Carbonelli, J.-Y. Guerder Computing and minimizing the whining noise – Application to a bogie gearbox S. 517-526

„… gears. Journal of Mechanisms Transmissions and Automation in Design. 108, pp. 86-95. [5] M. Beghini …” „… static transmission error (STE) and gear mesh stiffness fluctuations are responsible of noise radiated …” „… steps are to compute the excitation source and then to compute the dynamic response of the gearbox …”

M. Nakagawa, D. Nishida, D. Sah, T. Hirogaki Development of novel test stand for three-axis driving planetary gear train control and analysis of novel PGT for noise reduction S. 331-340

„… design parameter or the number of teeth Zp, as shown in the figure. In this study, it could be cut by …” „… report) –strength design-, Journal of JSPE, No.61, Vol.12 (1995), pp.1705-1709. [7] Terada, E., Makino …” „… planetary gear system, Proceeding of The 14th. Machine design and tribology division meeting in JSME, No …”

G. Goch, K. Ni, Y. Peng, A. Günther Paradigm change in cylindrical gear metrology using areal measurement and evaluation S. 1025-1038

„… gear design with complex flank features aims to meet the demanding performance requirements of lower …” „… designers. VDI-Berichte Nr. 2294, 20171028 Fig. 3: Examples of modifications at a gear flank (ISO 21771 …” „… parameters. First experiments show the effectiveness of this method. Therefore, areal gear inspection …”

M. Ophey, F. Klocke, C. Löpenhaus Approach for modeling grinding worm wear S. 1365-1378

„… design is often based on experience and time and cost intensive experiments. The science-based analysis …” „… . E.h. Dr. h.c. Dr. h.c. Fritz Klocke, Dr.-Ing. Dipl.-Wirt.-Ing. Christoph Löpenhaus, WZL of RWTH …” „… Aachen Abstract Despite the wide industrial application of generating gear grinding, the process …”

doi.org/10.51202/9783181022948

Marco Kuhlmeier - Methodik zur Bewertung der Robustheit mechatronischer Systeme in den frühen Phasen der Produktentwicklung

No access

Select

Marco Kuhlmeier

Methodik zur Bewertung der Robustheit mechatronischer Systeme in den frühen Phasen der Produktentwicklung

Series: Konstruktionstechnik/Maschinenelemente

Volume 456 2024

Results in this title

Literaturverzeichnis S. 136-151

„… ; Saltelli, Andrea (2000): Design of Experiments. In: Andrea Saltelli, Karen Chan und Ethel Marian Scott (Hg …” „… Design of Experiments: Macmillan Verlag. Fowlkes, William; Creveling, Clyde (2007): Engineering Methods …” „… . 467–523. Klein, Bernd (2021): Versuchsplanung. Design of Experiments. Einführung in die Taguchi- und …”

Titelei/Inhaltsverzeichnis

„… Normung DOE Design of Experiments (Statistische Versuchsplanung) DP Design Parameter DRM Design Research …” „… AMS Autonomes Mechatronisches System ANOVA Analysis of Variance CAD Computer Aided Design CAE Computer …” „… Signal-to-Noise Ratio SYSML Systems Modeling Language TD Tolerance Design TRIZ Theory of Inventive Problem Solving …”

Stand der Technik S. 13-40

„… of Inventive Problem Solving (TRIZ) oder die Statistische Versuchsplanung (Design of Experiments; DOE …” „… Versuchsplanung (Design of Experiments; DOE) (Fowlkes und Creveling 2007, S. 11). 3.2.3 Robustheit mechatronischer …” „… Linie nach einer umfangreichen Analyse der Eigenschaften durch quantifizierbare Experimente und …”

Forschungsvorhaben S. 41-50

„… . 2005), des Kinematic Design (Ebro et al. 2012) oder durch die Statistische Versuchsplanung (Design of …” „… Zuverlässig-keitsuntersuchung von mechatronischen Systemen. Forschung Robust-Design-Methodik Die Robust Design Methodik (RDM …” „… Experiments; DOE) (Siebertz et al. 2017) erfolgen. Das Ziel einer qualitativen Robustheitsanalyse ist die …”

Methodik zur Bewertung der Robustheit S. 51-104

„… (Siebertz et al. 2017, S. 28). In der Literatur sind die Methoden in der Regel unter dem Begriff Design of …” „… : BewegungssystemBezeichnung: Bewegung eines BauteilsLehrstuhl Konstruktion(Engineering Design)Methodik zur Bewertung der …” „… Sprachgebrauch mit dem Begriff Design for X (DFX) bezeichnet werden (Kirchner und Neudörfer 2021, S. 469). Das …”

doi.org/10.51202/9783186456014

GJAE - German Journal of Agricultural Economics

No access

Select

GJAE - German Journal of Agricultural Economics

Browse Volumes: GJAE - German Journal of Agricultural Economics

GJAE Volume 70 (2021) Issue 03 ISSN Online: 2191-4028

Results in this title

Oliver Mußhoff, Henning Schaak Public Preferences for Pasture Landscapes and the Role of Scale Heterogeneity S. 182-191

„… . The design of the experiment followed a sequential process. In a first small pilot study, the …” „… specifications for interpreting the results of discrete choice experiments when investigating heterogeneous …” „… remained unspecific during the experiment, particularly to avoid unintended assignments of the cost …”

Uwe Latacz-Lohmann, Gunnar Breustedt, Insa Thiermann Verringerung von Ammoniakemissionen durch Gülleansäuerung auf dem Feld: Teilnahmebereitschaft von Landwirten an Förderprogrammen / Abating Ammonia Emissions through Slurry Acidification during Spreading: Farmers’ Willingness to Participate in a Support Scheme S. 192-207

„… lower the probability of participation. Keywords in-field-acidification; Discrete Choice Experiment …” „… grazing programs: Results from a discrete choice experiment with German dairy farmers. In: Journal of …” „… efficient designs for discrete choice experiments. https://www.stata.com/meeting/ nordic-and-baltic16 …”

doi.org/10.51202/2191-4028-2021-03

1 ... 6

7

8 ... 121