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VDI Wissensforum GmbH (Hrsg.)

Dritev 2022

Reihe: VDI-Berichte

Band 2401 2022

Treffer in den folgenden Teilen:

G. Göppert, M. Adrian AI Approach to Wet Friction Torque Model Adaptation S. 321-334

„… variance of the residuals ? ? ? with ? the reference and ? the model result [5]. Here, it has to be …” „… focus of future work. References: [1] G. Göppert, “Adaptation of a wet clutch torque model in …” „… AI Approach to Wet Friction Torque Model Adaptation Georg Göppert, Marcel Adrian, Schaeffler …”

T. Gemassmer, P. Lindau, M. Zimmermann Modular Torque Management Architecture S. 13-26

„… into a full system model (Fig.6). From the integrated system model, software code can be derived for …” „… aligned to a rotating reference frame. As a result, the two components ? and ? of the current vector are …” „… temperatures. Additionally bearing and iron losses are considered and compensated by calculating a reference …”

S. Cortès, A. Albers, C Dettmann, P. Boche Chassis Dynamometer – a development environment for calibration and validation of vehicle drivetrains in context of RDE legislation? S. 347-364

„… portable emission and torque measurement technology. The simulation includes a vehicle model of the test …” „… driver models. These generically created, RDE-compliant driving profiles are then repro-duced on the …” „… chassis dynamometer. The environment, driver and residual vehicle model systems are grouped as System in …”

K. Lee, M. Song, S. Lim Multi-body Dynamics of a Vehicle Axle System Based on a Time-varying Gear Mesh Model for Investigating Hypoid Gear Noise and Vibration S. 185-196

„… simulation model. 3. Blocked Flexible Multi-Body Dynamics Modeling The axle drivetrain system was developed …” „… Multi-body Dynamics of a Vehicle Axle System Based on a Time-varying Gear Mesh Model for …” „… effects must be accurately considered to generate a dynamic simulation model. For this reason, we present …”

F. Lagier, N. Freund, K. Bause, S. Ott, A. Albers Simulation-based evaluation of high-speed PEEK gears in automotive powertrains and design of a validation environment for high-speed gears S. 223-240

„… automotive high-speed transmissions and present comparisons to reference drivelines. For this purpose …” „… , calculations are performed comparing several state-of-the-art plastic gears with a steel reference gear and …” „… , has been used as a reference for boundary conditions as well as gear design factors. VDI-Berichte Nr …”

T. König, L. Stütz, L. Bauer, M. Kley Model-based simulation of a longitudinal dynamics vehicle model with a single-wheel drive S. 381-396

„… Model-based simulation of a longitudinal dynamics vehicle model with a single-wheel drive …” „… vehicles. The difficulties in early development phases can be addressed for example by a model-based …” „… powertrain. The trans-mission efficiency is modelled accordingly. The whole efficiency model is measured on a …”

M. Schröder, K. Herold, C. Monissen Efficiency Increase of Electric Machines with Active Thermal Field Weakening S. 119-132

„… follows model-based control standards. After the temperature is defined by the control map, it is fed into …” „… electromagnetically using finite element analysis (FEA) and thermally using a network model. The resulting temperature …” „… dependence of the machine is represented in a system model for the drive cycle simulations, based on lookup …”

M. Essam Ahmed, I. Garcia de Madinabeitia Merino, F. Duchi Advanced Electric Drive Modelling for Thermal and NVH adaptive control S. 407-0

„… Modelling (FEM) is jointly used with model-based 1D system models to char-acterize every component …” „… simulation model VDI-Berichte Nr. 2401, 2022408Electric drive system modelling As seen in Fig. 2, the whole …” „… electric drive can be represented in a Model-in-the-Loop (MiL) environment [3]. It is crucial that not only …”

P. Alagarsamy, A. Zangaro Compact Reduced Order Model (ROM) based on Finite Element (FE) Models of Power Electronics in Electric and Hybrid Vehicles S. 95-108

„… Compact Reduced Order Model (ROM) based on Finite Element (FE) Models of Power Electronics in …” „… : The usage of reduced-order-models or neuronal networks. Often various dedicated and tai-lored model …” „… types are used for different parts in an inverter. Reduced-order-models or neuronal networks can deliver …”

F. Schuchter, M. Schönstein, K. Bause, A. Albers Temperature Modelling of a Dual Clutch with Artificial Neural Networks S. 335-346

„… samples for one training cycle. Theoretical modeling [8] Models of the drive train or the clutch …” „… temperature are first modeled as a white-box model based on physical relationships. Then the model parameters …” „… for temperature models of wet multi-plate clutches reach their limits. The modeling has a high effort …”

F. Pfister, N. Hetzel, K. Büttner Objectified Evaluation of Fundamental Driveability Maneuvers at Powertrain-in-the-Loop Testbeds for Electric Drive Units S. 61-72

„… the powertrain testbed, suitable parameters are adapted in a so called interface model to confirm that …” „… future real components (real-time simula-tion models and controls). This also concerns the vehicle …” „… such a way that the power reserves can be utilized to model dynamic effects on the wheel. The …”

D. Lindvai-Soos, S. Kaimer Electric Drives for All-wheel Functions – A System Comparison of ASM and PSM S. 109-118

„… their vehicles of a model with a secondary drive in the future. The reason for this development cannot …” „… closed predictively when entering a curve. To do that, a physical vehicle model is used that includes all …” „… ASM to a PSM with decoupling Element for a 100-kW secondary drive (© Magna) References [1] IHS …”

P. He, A. Eßer, S. Rinderknecht, M. Schmiedt A Degradation Model of a Wet Friction Clutch based on Theoretical and Experimental Analysis and the Application for a Condition Monitoring Method S. 303-320

„… A Degradation Model of a Wet Friction Clutch based on Theoretical and Experimental Analysis and the …” „… . Furthermore, a degradation model of the clutch related to the sliding speed and the total dissipation energy …” „… environment is set up close to the actual drive conditions with simulated driving resistance and driver model …”

S. kyoung Lee, B. jae Lee, H. joon Kim Extreme cornering performance of Integrated Drive Axle on vehicle S. 291-302

„… in the evaluation was Hyundai's Elantra sports model, with specifications of 1.6 turbo DCT and front …” „… of Inje Speedium track. Reference [1] Jung Jin Ho, “DEVELOPMENT OF HIGH STIFFNESS AXLE FOR A RACE …”

F. Duchi, M. Ivarson, A. Schmitt, F. Haag Innovative E-Drive testing and software optimization – Key to maximize range, comfort and robustness of modern electric powertrains S. 37-60

„… in the vehicle fleet. We show how model-based testing methodology can be used to improve both the …” „… model-based optimization method also allows to find a trade-off between the three optimi-zations. A fourth …” „… for a model-based limit. All test points generated by machine learning algorithm Active DoE are …”

A. Eßer, J. Mölleney, S. Rinderknecht Potentials to reduce the Energy Consumption of Electric Vehicles in Urban Traffic S. 133-152

„… modelA backwards facing implementation of the longitudinal dynamics of the vehicle is used, which is …” „… Abstract By means of a parameter study using a detailed backwards facing model of the longitudinal …” „… are the VW ID3, Renault Zoe or Hyundai Kona. Other available models also use a fixed transmission …”

J. Gindele, U. Franzmann, L. Herdle, A. Pawlenka The Magna 7HDT400 for BMW’s new 48V hybrid drive family S. 1-12

„… has been relying on the Magna dual-clutch transmission technology in front transverse models like the …” „… modify the basic architecture. VDI-Berichte Nr. 2401, 2022 11References [1 …”

A. J. Wimmer High-Speed Testing: The Fast Lane towards a Running System S. 365-380

„… eventually very close to the engine axis. So, space for the test drive is very limited. In Fig. 2 a model of …” „… conventional engine with a high-speed gearbox. VDI-Berichte Nr. 2401, 2022 379 References [1 …”

doi.org/10.51202/9783181024010

Hendrik C. Belaschk - Näherungsformeln für Spill Plumes in Atrien variabler Größe.

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Hendrik C. Belaschk

Näherungsformeln für Spill Plumes in Atrien variabler Größe.

Reihe: Berichte des Instituts für Bauphysik der Leibniz Universität Hannover

Band 5 2012

Treffer in den folgenden Teilen:

Literaturverzeichnis S. 120-126

„… . W. Jones, R. D. Peacock et. al.: CFAST – Consolidated Model of Fire Growth and Smoke Transport …” „… (Version 6) Technical Reference Guide. NIST Special Publications 1026, 2009 [7] National Institute of …” „… , Belgium, 1998 [29] G. O. Hansell, H. P. Morgan, N. R. Marshall: Smoke flow experiments in a model atrium …”

doi.org/10.51202/9783816786993

Marcel König - Partitioned Solution Strategies for Strongly-Coupled Fluid-Structure Interaction Problems in Maritime Applications

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Marcel König

Partitioned Solution Strategies for Strongly-Coupled Fluid-Structure Interaction Problems in Maritime Applications

Reihe: Mechanik/Bruchmechanik

Band 351 2018

Treffer in den folgenden Teilen:

Structural Problems S. 25-41

„… description is most commonly adopted in structural mechanics. Here, we introduce the reference configuration …” „… reference configuration ΩX at time t = t0 to the current configuration Ωx at time t ≥ t0. In other words …” „… , the mapping ϕ transforms the material point X in the reference configuration ΩX to the point x in the …”

Benchmark Problems S. 158-217

„… following, we consider a fully submerged model-scale KCS P1356 propeller of diameter D = 0.25m equipped with …” „… (b) Figure 6.54: (a) Front and (b) side view of the model-scale KCS P1356 propeller. z y x (a) BEM …” „… y = 0.875m to vx = v̄ at y = 1m. At the outlet, a fixed reference pressure p = 0Pa is imposed. At …”

Conclusions and Outlook S. 241-251

„… electro-thermo-mechanically coupled problems. Being in reasonable agreement with the reference solutions available from the …” „… placed on the enhancement of the subproblem models. In view of the fact that each of the subproblems …” „… applicability of the numerical models for the analysis of the considered technical systems and processes, and to …”

Software Library comana S. 98-157

„… model suitable for the integration of serial as well as shared- or distributed-memory parallelized …” „… , an elaborate communication concept is inevitable. In comana, we decided on the master/slave model …” „… driver stores references to them internally. To this end, a global data 101 5 Software Library comana …”

Bibliography S. 252-266

„… : A European climate modelling community software”. In: Geoscientific Model Development 6 (2013), pp …” „… anisotropic polyconvex hyperelastic and anisotropic viscoelastic material models at finite strains”. In …” „… ++ standard library: A tutorial and reference. Upper Saddle River, NJ et al.: Addison-Wesley, 2012. [90] D …”

Coupled Problems S. 42-97

„… discretizations are FE meshes, a reference value uref to judge about the quality of an interpolation scheme can be …” „… discrete reference solution by means of shape function interpolation as outlined in Section 4.5.5. The …” „… the reference solution almost exactly as, apparently, always two points forming a line coinciding with …”

doi.org/10.51202/9783186351180

GJAE - German Journal of Agricultural Economics

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GJAE - German Journal of Agricultural Economics

Alle Ausgaben: GJAE - German Journal of Agricultural Economics

GJAE Jahrgang 71 (2022) Heft 04 ISSN Online: 2191-4028

Treffer in den folgenden Teilen:

Wolfgang Britz Implementing an Approximation of Cumulative Prospect Theory into Mixed Linear Programming – an Application to Bio-Economic Modelling at Farm-Scale Considering Crop Insurance S. 184-203

„… modelling of farm-level in-vestments under uncertainty. In: Environmental Model-ing and Software 127 (May …” „… simulation of risk management under CPT in farm-scale pro-gramming models. To close this gap, we propose to …” „… insurance product with an evolved bio-economic model at farm-scale serves a proof of concept. The model …”

Katrin Utai, Manuel Narjes, Tatjana Krimly, Christian Lippert Farmers’ Preferences for Fertilizers derived from Domestic Sewage and Kitchen Waste – A Discrete Choice Experiment in Germany S. 169-183

„… model. 3 Choice Modelling Approach 3.1 Data Collection and Experimental Design of the Discrete Choice …” „… pay; Random Parameter Logit ModelDOI: 10.30430/gjae.2022.0235 …” „… Random Parameter Logit (RPL) model. As-suming an average market price level of around 300 euros per tonne …”

Anne Margarian Beyond P-Value-Obsession: When are Statistical Hypothesis Tests Required and Appropriate? S. 213-226

„… could lead to model-misspecifications and biased estimates. With bias, deviations from expected mean …” „… empirically supported & identified model for complete control of this well-known data generation process?NoDo …” „… small p-value, i.e., highly improbable data, is your conclusion that the whole estimation model and all …”

Lucian Stanca, Daniel Hoop, Johannes Sauer Using Auxiliary Information to Improve Agricultural Statistics – Advantages of the Calibration Approach over Poststratification Weights S. 204-212

„… suitable distance function, ??, would be the truncated linear model: ??(????,????) = (???? − ????)2 2 …” „… IncomeGJAE 71 (2022), Number 4 212 References BETHLEHEM, J. (2009): Applied survey methods: A statisti-cal …” „… reduce bias. Consequently, it can be concluded that even ob-viating the modelling of the nonresponse …”

doi.org/10.51202/2191-4028-2022-04

Marco Munderloh - Detection of Moving Objects for Aerial Surveillance of Arbitrary Terrain

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Marco Munderloh

Detection of Moving Objects for Aerial Surveillance of Arbitrary Terrain

Reihe: Informatik/ Kommunikation

Band 847 2016

Treffer in den folgenden Teilen:

Introduction S. 1-9

„… reference model [57, 51, 35]. If the camera is moving, however, the problem is more complex as the image …” „… with high energy in areas of change. To increase the robustness, a background reference can be computed …” „… subtraction instead. This eliminates noise and temporarily visible objects from the reference and enables an …”

Summary and Conclusions S. 93-96

„… 93 6 Summary and Conclusions The problems of the planar ground model in a motion detection system …” „… global motion model. The second method is the pixel-based detection by background subtraction, in which …” „… sequence. For this purpose, first the aberrations of the planar ground model have been analyzed in Chapter …”

Experiments S. 73-92

„… approach, using either a planar (homographybased) single plane background motion model of Chapter 2.5 or a …” „… unknown scaling factor was determined by scaling the 3D scene coordinates to known reference points (e.g …” „… evaluated to compare the output of each method against a manually labeled reference: True positive rate or …”

Titelei/Inhaltsverzeichnis

„… parallax model and one on a smooth optical flow approach. Following this, a motion compensation method for …” „… . . . . . . . . . . . . . 4 1.2 Problems of Current Ground Motion Models . . . . . . . . . . . . . . 5 1.3 Contributions …” „… Principles 10 2.1 Scene Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.2 Camera …”

Multi-Planar Landscape Model based on Triangle Meshes S. 58-72

„… 58 4 Multi-Planar Landscape Model based on Triangle Meshes In this chapter, a novel multi-planar …” „… ground model is presented and analyzed for approximation errors. The goal of the proposed method is to …” „… moving object detection systems. In contrast to the planar landscape model, multiple affine projections …”

Planar Landscape Error Model S. 34-57

„… 34 3 Planar Landscape Error Model In this chapter, the planar landscape model commonly used in …” „… scenarios. The surface of the earth is in this model represented by a single plane, so the mapping of …” „… projected ground objects between the airborne camera views can be described by a projective mapping model …”

doi.org/10.51202/9783186847102

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