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GJAE - German Journal of Agricultural Economics

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GJAE - German Journal of Agricultural Economics

Browse Volumes: GJAE - German Journal of Agricultural Economics

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

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Wolfgang Britz Automated Calibration of Farm-Sale Mixed Linear Programming Models using Bi-Level Programming S. 165-181

„… common both in price endogenous market and farm-scale models. First, data are corrected to fit into the …” „… model’s constraints. While data balancing for market-scale models requires typically advanced balancing …” „… , choses parameters such that production and behavioural functions replicate the observed data. Here …”

Martin Banse, Florian Freund, Inna Geibel The Impact of Dietary Changes on Agriculture, Trade, Environment and Health: A Literature Review S. 139-164

„… modelling-linkage works in such a way that the shift in preferences is implemented in CAPRI and the resulting …” „… data show that on a global level, approximately 43 kg of meat and 88 kg of milk are consumed per …” „… FAOSTAT-Production Data (FAO, 2020) 0 50 100 150 200 250 300 350 1968 1973 1978 1983 1988 1993 1998 2003 2008 2013 …”

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

„… , the DCE is described. In Section 3, first the survey design and data collection are presented. Then …” „… , the collected data is described and econometric models used for their analysis are outlined. The …” „… Adobe Photoshop CS6. 3 Material and Methods 3.1 Survey Design and Data Collection Based on the …”

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

VDI Wissensforum GmbH - International Conference on Gears 2022

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2022

Series: VDI-Berichte

Volume 2389 2022

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

„… gear dynamics. Results are compared with experiments and data from published papers, showing reasonable …” „… demonstrate that peak stress and stress fluctuations can be greatly reduced with this method. 1. Modelling …” „… and analysis of bevel gear dynamics 1.1 FE-modelling The geometry of a pair of bevel gear pair is …”

P. Abele, J. Hermes, J. Lechner Development of a digital ecosystem for a servo planetary gear unit system to provide design automation opportunities S. 1503-1516

„… of the turned part is the first main step and it is apparent, that a master part (step A) and a data …” „… is the solely data source for step B and each line of this table represents the needed individual …” „… data for a turned part. In other words, each row of this table leads to a unique instance of step C …”

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

„… with the data listed in Tab. 1 [5]. At first, no calculation for interference was carried out in …” „… errors on the workpiece. Table 1: Workpiece, tool and process data of example 1 Workpiece data Number of …” „… Tooth width b2 30 mm Tool and process data Number of teeth z0 48 Constructive head clearance angle …”

B. Guilbert, P. Velex Influence of thin rimmed/-webbed gears on transmission dynamic behaviour – Approximate dynamic factor formula S. 523-532

„… torque is 400 Nm and the gear data are in table 1. (a) (b) Fig. 2: Aeronautical transmission, (a …” „… ) solid pinion and (b) lightweight gear Table 1: Gear data Pinion Gear Module m (mm) 2.5 Number of teeth …” „… are mainly those which would be obtained by considering rigid discs, thus validating this modelling …”

A. Mihailidis, A. Psarros, I. Nerantzis FE tooth contact analysis of crossed helical gear drives considering misalignments and deviations S. 597-608

„… Fig. 1: Gear data of the modelled gear pair 3. Finite Element Modelling 3.1 Meshing The initial mesh …” „… features, such as morphing, have been shown to allow for modelling gear geometry deviations allowing for …” „… . Gear Geometry In order to demonstrate and validate the proposed modelling procedure, the gear pair of …”

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

„… to be built up, to learn as much as possible, from the vast amounts of data provided by production …” „… and quality inspection machines. Elevated data processing methods are necessary to learn from existing …” „… data and to mirror back to design engineering and production. Schaeffler, in the meantime, successfully …”

Y. Koch, G. Martin, E. Kirchner, D. Quirnheim Pais, R. Slatter Feasibility study of measuring instantaneous angular speed of helical gears with magnetoresistive sensors S. 253-264

„… sensor data. The state of the art for condition monitoring of involute gear trains is characterized by …” „… sensor data. Independent of the maturity level of the system under consideration, mechatronic, smart and …” „… intelligent systems all require sensorial data for control, reliability, interoperability and autonomy …”

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

„… Cylinder-on-ring model wear tests as an input data source for the simulation of friction and wear …” „… according to FLEISCHER [3], for which it requires experimental data as input. Classically, there are three …” „… types of tests available for generating these data: simplified laboratory tests like block-on-ring [4 …”

K. Daubach, M. Oehler, B. Sauer Wear simulation of worm gears based on an energetic approach S. 329-342

„… considerations. In related literature, values were often determined with experimental data [5, 6, 7]. With the …” „… system with large local differences regarding the contact conditions. For that reason, measurement data …” „… density is influenced by the mean contact pressure. Based on the available data, no pressure dependency of …”

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

„… data are taken from data sheets [15]. Figure 2 shows graphically the tensile test data of PA12 …” „… parameters (gear geometry, material data, meshing parameters, etc.), the FE model is automatically generated …” „… , the FEA is performed and the relevant data is automatically evaluated so that it can be used for …”

A. Alnahlaui, P. Tenberge Improved method for the determination of tooth root endurance strength S. 31-44

„… , the design and modelling of the gearboxes should be reworked and refined, and on the other hand, the …” „… modified probit procedure assumes a normal distribution of the experimental data as the other methods. In …” „… below the infinite fatigue follows the modified form of the Miner theory. For the modelling and …”

A. Zhang, J. Wei, M. Cao, B. Peng Dynamic modeling and accuracy evaluation method for complex irregular components of aviation transmission S. 573-584

„… FE method. Figure 2 shows the basic flow of modal test and data processing for a casing component …” „… mathematical modelling methods of comprehensive mesh stiffness for spur and helical gears, Applied Mathematical …” „… Modelling, 64 (2018) pp. 524-540 [13] P. Velex, M. Ajmi, On the modelling of excitations in geared systems …”

S. Matkovič, M. Kalin Effect of tribological properties on tooth root fatigue failure of polymer gears S. 1257-1268

„… gear fatigue life was conducted in both dry and lubricated conditions. Using these data, FEM evaluation …” „… . Using the obtained coefficient of friction data and predicted model published in [8], the average gear …” „… interpolation of data published in [18]. Poisson’s ratio was set to 0.35. FEM results were analyzed in the tooth …”

L.-C. Chang, S.-J. Tsai, C.-H. Huang Contact characteristics of cycloid planetary gear drives considering backlashes and clearances S. 215-226

„… . Modelling the cycloid gear drive with considering the relevant contact pairs having backlash or clearance is …” „… . Analysis results for cycloid gear drive considering bearing clearance4.1 Design parameter Calculation data …” „… period of CS-1 is about 2 deg. VDI-Berichte Nr. 2389, 2022222 Table 1: Essential data for numerical …”

L. Hildebrand, F. Dangl, M. Sedlmair, T. Lohner, K. Stahl CFD analysis on the oil flow of a gear stage with guide plate S. 677-694

„… gears type C-PT [14]. The geometric data for both the pinion and the wheel are listed in Table 1. Table …” „… the analysis of simulation results and comparison with experimental data, it can be stated, that the …” „… Design 133. Heft: 12, S. 13 (2011). [4] Concli, F.: Numerical modelling of the churning power losses of …”

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

„… data for load-dependent and -independent power losses at pinion rotational speeds of 1200 to 1800 rpm …” „… . VDI-Berichte Nr. 2389, 2022 663[21] Liu, H. et al.: Numerical modelling of oil distribution and churning gear …” „… , K., Maurya, V.: Multi-Phase Gearbox Modelling Using GPU-Accelerated Smoothed Particle Hydrodynamics …”

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

„… cumulative distribution function of the load limit of the gears in the sample. Details to the modelling of …” „… data. Figure 7 gives an overview on the influence of the CHD on the interior fatigue strength of this …”

S. A. Bohme, J. Keski-Rahkonen, T. Komssi A standardizable approach to tooth flank fracture S. 371-388

„… carburised CrNiMo steel: Testing and modelling concept”. In: Fatigue& Fracture of Engineering Materials …” „… Multiaxial Fatigue Strength Criteria on Data Sets of VariousSizes”. In: Metals 12.289 (2022). url …” „… Normung e.V., 2016.[34] F. Pascual and W. Meeker. “Analysis of fatigue data with run-outs based on a model …”

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

„… data and print parameters Material PEEK CFR 450 Onyx Tensile strength (MPa) at 23°C 190 40 Tensile …” „… . Akinlabi, „Basics of Fused Deposition Modelling (FDM)“ in SpringerBriefs in Applied Sciences and Technology …”

doi.org/10.51202/9783181023891

VDI Wissensforum GmbH - SIMVEC – Simulation und Erprobung in der Fahrzeugentwicklung

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VDI Wissensforum GmbH (ed.)

SIMVEC – Simulation und Erprobung in der Fahrzeugentwicklung

Series: VDI-Berichte

Volume 2333 2018

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Johann Heinrich Knowledge Discovery in Databases (KDD) in der virtuellen Produktentwicklung – Entscheidungsfindungsprozess auf Grundlage von Erkenntnissen aus grosen Datensatzen S. 39-46

„… digitalization oft the „old-fashioned“ industry means that data is increasing dramatically fast. In the most …” „… cases there are no really established Data Analytic Processes to gain knowledge from these „Data Lakes …” „… faillure prediction. The increasing quantity and accessibility of data makes the task of data-mining a …”

T. Scholz, M. Hellwig, F. Pautzke Algorithm for Parameter Identification of Lithium-Ion Batteries S. 389-398

„… parameterization of lithium-ion cell models based on the data of a standardized test routine. The method extracts …” „… . In the field of electrical engineering different modelling approaches are provided for research and …” „… development of Li-Ion battery cells. Battery cells are electrochemical systems, whose modelling types can be …”

C. Diez Analyse von Crash Simulationen mit Hilfsmitteln der kunstlichen Intelligenz S. 1-16

„… Herausforderungen und Chancen bezüglich Simulation Data Management (SDM), sowie CAE Prozessen angesprochen werden …” „… opportunities regarding Simulation Data Management (SDM), as well as CAE processes will be addressed …” „… Simulation Data Management eine Rolle um repetitive Aufgaben zu vermeiden, sondern gerade weiterführende …”

M. Burger, M. Speckert, K. Dreßler Nutzungsspezifische Vorhersage von Beanspruchung und Energieverbrauch S. 781-794

„… Fraunhofer ITWM has developed modelling and simulation methods that allow to analyze efficiently the …” „… simulation techniques. Applying a statistical usage modelling approach, routes can be derived such that they …” „… („big data“) zu verarbeiten und (statistisch) effizient zu analysieren. Darauf aufbauend ist am …”

J. Tüchsen, M. Koch, B. Schleich, S. Wartzack Konzeption eines Assistenzsystems fur die modulare und datengetriebene Entwicklung elektrischer Antriebe S. 801-812

„… Antriebe Conception of an Assistance System for the Modular and Data Driven Development of Electric …” „… assistance system for the modular and data driven development of electric drives. It is based on the …” „… integrated intelligent logic of the assistance system manages all the development and production data and …”

J. Kalmus, P. Ebeling, W. Tegethoff Automatisierte Erzeugung von neuronalen Netzen aus Co-Simulationen physikalisch motivierter Modelle S. 685-698

„… environment is the creation of data-driven models of the subsystems. This has the advantage that the …” „… controllability is maintained and all models can be simulated in one program at the same time. Thus, data …” „… -driven models can be operated on HIL systems or on the ECU itself, for example to provide data for model-based …”

J. V. G. Tilly, A. Tarasow, T. Arndt, B. Neudecker, R. Serway Einsatz von kunstlichen neuronalen Netzen zur Bestimmung des Kupplungsdrucks bei nasslaufenden Doppelkupplungen S. 17-28

„… current of the clutch valve is presented. The input data of the artificial neural network consist of …” „… – 460 [2] Lazar, C., Caruntu, C.-F., Balau, A.-E.: Modelling and Predictive Control of an Electro …” „… .: Modelling of electromechanically actuated active differential wet-clutch dynamics, Proceedings of the …”

J. Neumann, T. Tentrup, T. Weck How to calibrate and test advanced driver assistance and autonomous driving systems EoL – From development into the end-of-line S. 527-542

„… different angles, this raw data is exemplarily shown in Fig. 11. In a last step, image segmentation …” „… simulation models from different simulation tools can be linked without time-consuming re-modelling. The …” „… achieved and the vehicle’s sensors, actuators and control modules receive plausible data, various test …”

H. Kriegel, A. Neubohn, E. Glas Rollover-Simulationen zur Parametrierung von Uberrollschutzsystemen S. 607-616

„… corresponding parameters for the airbag control unit, crash tests for data acquisition and release process have …” „… context, it has become possible to replace many crash tests of the data acquisition by simulations. This …” „… sand ground. The numerical modelling of the sand, which fulfills the demands of the rollover …”

M. Herold, O. Said, H. Winner Simulative Assessment of Differential Braking for Steering Redundancy in Automated Driven Trucks S. 241-254

„… a redundant active steering system is discussed. 3. Modelling and Simplifications Since the …” „… the steering system are empirically determined with measured data of the 12-ton two-axle truck. The …”

C. Franke, L. Wagner EAM for CAE – Enabler fur die Digitalisierung . S. 813-834

„… , production- and operation data across process and tool boundaries. The high number of physical effects and …” „… realitätsnahen Annahmen ausgehend, haben wir mit Mitteln des Enterprise Architecture Modelling einen …”

doi.org/10.51202/9783181023334

Kerstin Hausknecht, Thomas Liebich - BIM-Kompendium.

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Kerstin Hausknecht, Thomas Liebich

BIM-Kompendium.

2016

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9 Anhang S. 209-0

„… Merkmalen. Das buildingSMART Data Dictionary, bSDD, ist eine Implementierung dieses Schemas. IFD ist als …” „… Konstruktionsabsicht, englisch design intent, nachvollzogen werden. 9.2Literaturverzeichnis 215 PDM – Product Data …” „… Standard for the Exchange of Product model data, ist eine Serie von ISO Standards zur Definition von …”

2 Hintergrundinformationen zu BIM S. 35-66

„… Exchange of Product model data in der Serie von ISO 10303 Standards entwickelt werden. Frühe Initiativen …” „… durch ein Common Data Environment verwaltet wird, über den gesamten Lebenszyklus des Bauwerkes. Das …” „… Bearbeitung, Freigabe und Archivierung von allen elektronischen Dokumenten (Common Data Environment …”

doi.org/10.51202/9783816794905

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Gefahrstoffe

Browse Volumes: Gefahrstoffe

GrdL Volume 82 (2022) Issue 11-12 ISSN Online: 0949-8036

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Fabrizio Innocenti, Rod Robinson Differential Absorption Lidar (DIAL) Measurements of Pollutants and Greenhouse Gases from Industrial Emissions S. 310-312

„… meteorological condi -tions would lead to unreliable dispersion modelling.Another benefit of the DIAL method in …” „… concentrations to be mapped within the atmosphere and emission rates to be determined when the concentration data …” „… are combined with wind data.The mobile DIAL systems developed at NPL for the remote measurements of …”

doi.org/10.37544/0949-8036-2022-11-12

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