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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

Results in this title

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

„… parameters for the Thévenin model of desired order with high accuracy in representation of the electrical …” „… measurement. Battery models are used as a tool for system design and emulation of real battery systems or for …” „… measurement equipment for parametrization, see chapter 2 – Battery Models. The main focus is set on the …”

E. P. Viña, M. Kleer, K. Dreßler Virtual validation of autonomous vehicles in a 3D Pointcloud S. 337-344

„… , like small trees and streetlights. 2. Concept The chosen concept is based on the measurement of …” „… measurement data is generated with the REDAR measurement vehicle of the Fraunhofer ITWM. To date the …” „… complex heuristics and self-learning algorithms which improve their accuracy with the amount of correct …”

I. Vogeler, R. Untermaierhofer, R. Petz, T. Schütz Different methods for road load determination in comparison – Wind tunnel, Wind tunnel method according to WLTP and Coastdown method S. 469-486

„… of three pairs of measurements have been obtained that satisfy the statistical accuracy , which is …” „… . The Wind tunnel method uses the measurement of aerodynamic drag in a wind tunnel with the remaining …” „… ]: Road load measurement according to the Coastdown method on a proving ground Method for the …”

D. Frerichs, M. Borsdorf Quality for Vehicle System Simulation S. 835-846

„… reproducibly create parameter files from test rig measurements [9] lead to parameters in proper Accuracy …” „… defined accuracy to ensure the reliability of their vehicle behavior predictions. To reach this goal …” „… with a known accuracy. For system and software quality the ISO 25000 [3] maps all quality requirements …”

O. Gattringer Automatische Verbesserung von Dynamikmodellen fur eine exakte Lastdatengenerierung S. 195-204

„… used excitation data and model accuracy. Assuming that the excitation is well known the model …” „… virtual iteration to ensure an excellent correlation between measurement and simulation, JSAE Annual …” „… dynamic simulation based on road load data measurements, 5th conference Dynamic Simulation in Vehicle …”

D. Dorribo Development of mechanism-based models for resistance spot weld failure simulation of multi-material advanced high strength steel sheets S. 585-606

„… Fig.s show the measurements on the left side and an scheme of the right side. (a) Refers to 22MnB5 …” „… hardness measurements for three different thickness combinations and (d) shows an schematic representation …” „… attributed to lack of accuracy in the boundary conditions for the simulations resulting from uncertainties …”

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

„… changes in automatic clutch control. Since the measurement of the clutch torque is expensive and time …” „… leads to an experimentally verified increase in accuracy in approximating the relation between the …”

doi.org/10.51202/9783181023334

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

Results in this title

A. Wedmann, M. Stein, K. Kniel Gear calibration in tactile scanning mode on CMMs S. 1539-1552

„… of accuracy, so the measurement uncertainties can remain unchanged. This was a basic requirement for …” „… 1. Abstract In industry, gear measurement on coordinate measuring machines (CMMs) is done almost …” „… exclusively using scanning mode. Scanning is not only much more time-efficient than conducting measurements in …”

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

„… synthetic data to increase accuracy [11]. The measurement of a sufficient data set is often not given or …” „… to ensure training stability and accuracy of the applied algorithms. But especially in early …” „… Adversarial Networks (GAN) are used to generate synthetic data and thus to extend existing measurement data …”

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

„… . Measuring concepts The aim of this contribution is to evaluate the resolution and measurement accuracy of …” „… the measurement of structure-borne noise with acceleration sensors. New approaches, such as measuring …” „… typically wish to use existing sensors or measurement points, where no or little effort is needed to …”

T. Matsumura, K. Mioki, M. Kada, R. Okuizumi, A. Pogačnik Improved calculation methodology for the prediction of tooth temperature of plastic gears S. 1237-1248

„… accurate. There are several possible reasons for that: 1) the measurement method of the coefficient of …” „… method of deriving the COF for the temperature calculation is from the pin-on-disc measurement, since …” „… can differ significantly from the value obtained in gear meas-urements. This can result in gear …”

A. Kubo, M. Nagae High-speed measurement of hardness distribution with X-ray diffraction S. 1553-1568

„… High-speed measurement of hardness distribution with X-ray diffraction Aizoh Kubo, Masahiro Nagae …” „… , Institute for Applied Sciences, Kyoto, Japan Abstract The high-speed hardness measurement using X-ray …” „… are introduced. To discuss the usability of this method, following examples of the measurement are …”

K. Lubke, M. Stein, S. Lin Validation of evaluation algorithms for cylindrical involute gears on coordinate measuring machines – new challenges according to standardization S. 1529-1538

„… tasks are the measurement of profiles, helices and pitch points on the gear flanks. Based on the …” „… quality assessment of cylindrical involute gears are cmm measurements. Common gear measurements include …” „… direction. Fig. 1 explains the three common measurements. For each measured space a defined test ball …”

D. Drummer, D. Schubert, C. Herzog In situ measurement of geometric and structural influences on the operating properties of polymer gears S. 1099-1116

„… In situ measurement of geometric and structural influences on the operating properties of polymer …” „… method for in situ deformation and wear measurement of polymer gears under operating load is presented …” „… be generated based on in situ measurements. VDI-Berichte Nr. 2389, 2022 10991. Introduction Polymer …”

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

„… measurement of the requirements to the new design with new nominal values and specifications as well as larger …” „… acoustic/NVH measurements First, the measurable requirements are collected TOP-Down and prioritized …” „… . Acoustic/NVH measurements and order analyses are used for this. The goal is to form the causal chain of the …”

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

„… measurement)Gear train deformationAssembly errorGear specificationsMisalignmentTooth flank geometry …” „… machined accuracy of tooth flanks after the hobbing process are taken into account in designing hobs for …” „… start of undercutting of the target gear pair in order to obtain stable machining accuracy in the tooth …”

S. Matkovič, M. Kalin, A. Pogačnik Dimensional stability of moulded polymer gears under various environmental conditions S. 1061-1070

„… dimensions [mm] Accuracy of the measurement Min Max Base tangent length 6.019 6.055 0.017% Width 5.950 6.050 …” „… Prior to measurement and exposure to different environmental conditions, the gears were dried for 24h at …” „… different measurements shown in the Table 3. The base tangent length and the width of the gear were measured …”

S. Bill Efficiency improvement and surface protection by using particle-based phyllosilicate-additive S. 935-942

„… , universities and OEMs for many years, which can perform tribological tests with high accuracy and reliability …” „… used: temperature 98°C, frequency 50 Hz, stroke length 4 mm. The measurement was performed in a common …” „… shows a friction measurement in Fuchs Pentosin EG FFL-7A oil with REWITEC added after 20 hours. The …”

M. Matzke, A. Elter Ensuring reliable grease service life in high temperature plastic gears S. 1249-1256

„… of detectionParallel measurements possibleState-of-the art methodsGrease Service Life in …” „… , 145 °C, 160 °C Double measurement for each temperature and contact materialGrease sample at DIN …” „… applicable with great accuracy while maintaining good repeatability and reproducibilityCalculated activation …”

E. Tanaka, J. Xia, J. Zhuang, M. Nakasako, K. Ikejo Tooth profile error detection only using a small spot type of laser sensor S. 707-714

„… theoretical curve made by fundamental measurement data is subtracted from the raw data of each tooth. Second …” „… measured data of the probe type of the measurement device as shown in Fig. 4. Fig. 3: Profile error …” „… . 5: Relation of each parameter Fig. 6: Measurement device for three …”

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

„… measurement data due to e.g. micro-pitting can only be considered insufficiently. Hence, a new method for …” „… is pro-vided by a manufacturing simulation, a geome-try import or measurement data. The geometry is …” „… . Furthermore, the results of the representation accu-racy, the local stress for flank and root, and the local …”

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

„… Dynamic Modeling and Accuracy Evaluation Method for Complex Irregular Components of Aviation …” „… locations. Finally, the condensation model with the minimum number of nodes which meets the accuracy …” „… , but there were few discussions on the number of nodes and the accuracy of the model. And the selection …”

C. M. Illenberger, T. Tobie, K. Stahl Operating behavior and performance of oil-lubricated plastic gears S. 1117-1132

„… to theoretical investigations on the tooth flank load carrying capacity, comprehensive measurements …” „… high-performance plastics in the material pairing steel-plastic. For this purpose, temperature measurements are …” „… measurement signal is passed via a hollow shaft from the housing to a telemetry system.Software is used to …”

D. Zorko, Z. Bergant, B. Černe Potential of woven carbon fiber reinforced polymer composite gears S. 1071-1082

„… Compact SCAN 5M scanner with a nominal accuracy of 2 µm. The geometric quality of the gears was assessed …” „… ). The temperature measurements presented in this study were made in a 3×3-pixel region of interest (ROI …” „… load cycles and up to 107 cycles. After every 2∙106 load cycles, wear measurement and damage analysis …”

J. J. Zhang, Prof. Y. M. Hu, X. X Luan, Z. S. Zhang Research on the effectiveness of roelands formula with constant VPC in EHL of higher pair contact S. 119-132

„… considered to have higher accuracy than the exponential equation[3], and has been widely used in the solution …” „… MPa) can be regarded as a constant, without significantly affecting the accuracy of the viscosity …” „… accuracy of the lubricant viscosity will be seriously affected if the VPCis considered as a constant.a …”

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

„… manufacturing accuracy, compared to steel. While VDI 2736 [1] tries to make the established design process for …” „… coefficient before the start of the test series. The thermometer’s measurement spot was placed in the center …” „… thermal conductivity of the ring material if the measurement spot would have been outside the wear track …”

B. van Wissen, M. Kanters, F. Mitsuzuka, K. Iwanaga, M. Meuwissen, A. Hasanovic Predicting static and fatigue performance of fiber reinforced plastic gears S. 1083-1098

„… , based on non-isothermal durability measurements on a gear tester. 2. Background and theory Static …” „… dependencies upfront and therefor increase the accuracy of the predictions one should take into account the …” „… underpredicting strength by 15% where in general an accuracy of 10% is assumed to be acceptable. This is caused by …”

J. Gotz, F. Siglmuller, M. Furst, M. Otto, K. Stahl Experimental investigation of the dynamic load sharing of planetary gearboxes S. 409-420

„… and the operating conditions. Detailed simulations or extensive experimental measurements are required …” „… resulting from the manufacturing process are determined by a 3D measurement. The maximum pin hole position …” „… shown in Fig. 2 and a detailed description of the principle function and measurement devices can be …”

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

„… an accuracy superior to the existing standards for calculating the scuffing load capacity of …” „… micro coordinate measurement device shows that the morphology of scuffing changes in respect to the …” „… gears at different test speeds Fig. 4: Pictures and micro coordinate measurements of the pinions …”

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

„… of Technology for a bevel gear pair under 1 kNm nominal load. These measurements provide validation …” „… measurements for a specific gearbox. Therefore, his findings cannot be applied to arbitrary bevel-geared …” „… measurement resulting in two torque readings that cover 15 s of measurement time each. The load-dependent and …”

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

„… model is generated from the meas-urement data and evaluated in Ansys. The sum of inner and outer contact …” „… . Comparing measurement and calculation data, both present good matches. Fig. 4: Axial stiffness results for …” „… these configurations, extensive measurements of the actual geometric dimensions and topography of all …”

J. Hochrein, M. Trubswetter, M. Otto, K. Stahl Direct flank geometry calculation for face gears S. 1447-1460

„… 99 points of the tooth surface were calculated. For esco, the measurement normal gives the …” „… deviation measurement to the core flank (8 % indent from each boundary), like it is done on coordinate …” „… measuring machines [14]. a) Deviation measurement method for one point b) Deviation field to esco c …”

B. James Developing a digital thread linking gear design to manufacturing simulation and metrology S. 185-196

„… software (e.g. Quindos) mounted on a gear measurement machine (e.g. Leitz) Dontyne is an independent …” „… that such errors were avoided. A baseline gear measurement activity looks to measure 3-4 teeth around …” „… )) provides greater insight to the manufactured gear geometry. The measurement data for the pinion is shown …”

Titelei/Inhaltsverzeichnis

„… 561 M. Weigand, C. Gachot, TU Wien, Vienna, Austria f FEM analysisDynamic modeling and accuracy …” „… f Quality assurance and measurementThe effect of a multi-stage grinding process on the barkhausen …” „… Institute of Technology, Kyoto, JapanOnline high resolution wear measurement – a powerful tool for the …”

K. J. Winkler, T. Tobie, K. Stahl Influence of grinding zones on the tooth root bending strength of case carburized cylindrical gears S. 287-304

„… zones in the tooth root bending strength have not yet been clarified with sufficient accuracy. As a …” „… with the aid of experimental tests and measurements. 4. Test gears and test rig Test gears The test …” „… stress measurements are listed in the following. The calculated tooth root bending strength numbers were …”

D. Sackmann, T. Husemann, B. Karpuschewski The effect of a multi-stage grinding process on the barkhausen noise signal S. 695-706

„… manufactured by the Röntgenwerk Rich. Seifert & Co., type 3000 PTS. The measurements were done applying the …” „… similar level for removal rates of Q’W ≥ 12 mm³/mmꞏs. Considering the measurement inaccuracy, the …” „… coefficient of determination indicates the accuracy of the regression model and is rated as high with a value …”

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

„… experimental measurements whereby a good accordance is stated. In addition to no-load VDI-Berichte Nr. 2389 …” „… accuracy. The very fine mesh model Mesh1.5M-gIrem is used for detailed investigations on the interaction of …” „… investigate potential increase of predictive accuracy. Therefore, linear acceleration ramps were set up. The …”

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

„… , 2022 737 Fig. 5: Two disc test rig and exemplary measurement results for EHL regime Additionally …” „… measurements of complete transmission [12, 13] and contact mechanics simulations of tooth mesh positions [14 …” „… efficient with sufficient accuracy. In case a deeper look into contact is necessary, of course initial …”

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

„… constants and thegear-specific stress equations make it impossible to assess the WI-BO criterion’s accuracy …” „… against otherstress-based multiaxial fatigue criteria. The accuracy of the herein quoted DV criterion was …” „… areduction of the uniaxial fatigue strength f−1.2.2 Strength modelThe hardness measurements conducted in the …”

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

„… " dimensional accuracy, an allowance of 1 mm (at the flanks 0.5 mm) is added. The layered structure of the …” „… formation, defects, powder removal, dimensional accuracy of the channel cross-section and shape of the …” „… the overhang area are found. All deviations of the channel geometry are within the measurement …”

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

„… accuracy with respect to gear tooth bending fatigue. These models still rely on empirical interpretations …” „… pinion was sustained at about 4400 rpm for all load levels used in testing. Dynamic strain measurements …” „… strain measurements were taken in order to validate the fixture design and stress prediction models. A …”

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

„… high productivity and geometric accuracy. Thus gear skiving provides anattractive alternative to …” „… poses a challenge to calculation accuracy. Critical processes need to be tested at multiple points along …” „… adapted to compensate for workpiece errors. The user transfers the gear measurement data while the machine …”

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

„… casting. The manufactured parts are characterized by a very good surface finish and dimensional accuracy …” „… developed die. The print accuracy must be fine enough to enhance the needed tolerances and as free as …” „… results improve. To this end, computer tomography (CT) measurements were carried out on cast housings …”

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

„… , Definition of Reference for Tooth Form Accuracy and Method of Simulation). Trans. JSME (Series C),1996 …” „… . 62(599):2833-2841. [3] Gosselin C, Guertin T, Remond D,et al. Simulation and Experimental Measurement of the …”

M. Zalfen, J. Lovenich, O. Malinowski, C. Brecher, J. Brimmers, S. Neus, S. Stark, D. Kruger Test rig concept for high power VHCF gear testing S. 485-498

„… measurement cell is integrated in the power circle. The torque measurement is used for continuous monitoring …” „… coaxially and parallelism accuracy both on the housing as well as on the shaft. Two radial bearings per …”

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

„… processed from a volumetric computer file, its accuracy heavily depends on the used printer and the …” „… 299.8 μm. On the driven PEEK gear, the optical measurement indicates an off-centering of 187.4 μm. This …” „… accuracy of PEEK has to be improved. A possibility to achieve higher precision in the tooth geometry is …”

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

„… measurement data of the real tooth flanks using a contact simulation based on half space theory [19]. It …” „… deformation as well as another wear mechanism have to be considered to improve the accuracy of the local wear …”

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

„… might also be measured on the actual gear box for better accuracy. The flash temperature is determined …” „… underlying simulation could further confirm the results. For this, experimental temperature measurements are …”

doi.org/10.51202/9783181023891

VDI Wissensforum GmbH - LAND.TECHNIK 2022

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VDI Wissensforum GmbH (ed.)

LAND.TECHNIK 2022

Series: VDI-Berichte

Volume 2395 2022

Results in this title

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

„… measurement errors in the observation. The positioning accuracy can be disturbed by multiple factors such as …” „… are complex and contaminated by various sources of measurement and documentation errors, it is …” „… also a study by Zhang et al. [5] on improving the accuracy of the quality of fertilizer applicators in …”

A. Leenknegt, T. Mahieu, G. Nerinckx, B. Lenaerts, B. Missotten Automatic residue spreading control based on radar sensing technology on a combine harvester S. 87-96

„… technology has shown to offer a good balance between dust robustness, spatial resolution and accuracy. A …” „… spreading automation: system overview Direct versus indirect measurements Measuring and controlling the …” „… rely on indirect measurements, i.e. wind and slope measurements to adjust the residue spreader system …”

P. Riegler-Nurscher, J. Prankl, D. Schauer Stereo camera-based method for grassland yield estimation S. 301-308

„… GmbH, Grieskirchen, Austria 1. Abstract Measurement of yields in grassland is the basis for …” „… , laser sensors or cameras for measurement of grassland swards. First approaches for combining different …” „… accuracy of 0.886 (IoU of 0.448). For yield estimation 300 samples on 10 fields have been drawn and split …”

C. Krause, N. Iqbal, J. Hertzberg, M. Hollmann, J. Martinez, D. Nieberg, A. Ruckelshausen, S. Stiene, S. Rottgermann, M. Muter, A. Berghaus, J. Herbers, S. Menke Concept of a Test Environment for the Automated Evaluation of Algorithms for Robust and Reliable Environment Perception S. 177-184

„… evaluate AI-based algorithms for multiple sensors with different measurement principles, a …” „… (cf. Fig. 1).Fig. 1: A setup with multiple measurement technologies is needed to cover different areas …” „… can be captured under different conditions. Fig. 1: A setup with multiple measurement technologies …”

J. P. Fulton, R. Colley III, S. A. Shearer, E. M. Hawkins Generating High-Definition As-Applied Maps for Pneumatic Fertilizer Application Equipment S. 265-272

„… . Measurement of fertilizer mass flow accuracy and assessment of variation across the application width would …” „… within ± 2% accuracy at a 95% CI for uniform sized particles. Mass estimations of pneumatically …” „… suspended fertilizer particles were validated at an accuracy of 97% for a set of standardized size …”

R. R. Shamshiri, C. Weltzien, T. Schutte Multi-Sensor Data Fusion with Fuzzy Knowledge-based Controller for Collision Avoidance of a Mobile Robot S. 349-358

„… inaccuracies in the GPS and IMU measurements. Advanced perception solutions are therefore required to assist …” „… navigating autonomously inside plants rows with the accuracy of 5 cm - 10 cm from the bushes while …” „… , faulty or noisy measurements from the Inertial Measurement Unit (IMU), and the presence of random …”

E. Eder, P. Riegler-Nurscher, J. Prankl Estimation of grassland yield from satellite data with ANN based transfer learning S. 293-300

„… the latest available satellite measurements and past or current weather data the model tries to …” „… can be predicted at an accuracy of 47.6% in the category grassland crops. We are also able to predict …” „… running simulations [7], [11], combined with high accuracy surface modelling [8], random forest, ANN, SVM …”

C. J. Lee, S. Schatzle, S. A. Lang Evaluation of perception sensors for safety of highly automated machine operations S. 163-170

„… , using redundant configurations and fusing data from different sensors or measurements from a single …” „… at a target distance of 8 m was calculated to be 75 ppd. Range accuracy and repeatability are …” „… operating conditions. Both accuracy values shall be lower than 0,01 m. In addition, varying solar …”

A. Schroder, P. Pickel, P. Emberger, J. Spiegel, E. Remmele The Multifuel Tractor – A Flexible Fuel Option to Reduce Fossil Fuel Consumption S. 441-446

„… in [1,2]. The results presented there are based on test bench measurements, which were determined at …” „… with sufficient accuracy to realize a sufficient fuel detection in 25 % steps. Same was observed on …” „… measurement for biodiesel which produced slightly less power and the measurement for a blend of 75% diesel …”

T. Anken, A. Latsch, M. Hatt Spot spraying broad-leaved dock plants in meadows S. 279-284

„… electronic system like the measurement of the recognition rates or the spraying accuracy what represents a …” „… Spot spraying broad-leaved dock plants in meadows Performance, accuracy and sprayer test of …” „… a detection rate of over 85 % in most cases and a slightly better spraying accuracy compared to …”

B. Adams Validation Principles of Agricultural Machine Multibody Dynamics Models S. 219-226

„… accurate if they are to be used with confidence. To determine the overall accuracy of an agricultural …” „… datasets. These tests can only be applied however if the data measurements are normally distributed. As …” „… both tests should not be rejected for every data measurement. However, if it is statistically proven …”

I. Stasewitsch, J. Schattenberg, L. Frerichs, K. Kruger, J. Schobel, M. Lehr, T. Neugebauer Localization with a ground penetrating radar in harsh agricultural environments S. 153-162

„… Localization is essential for navigation in autonomous driving, so robustness and accuracy are important …” „… that they are not robust enough and/or the accuracy is not sufficient in certain situations. This …” „… . (1) used b=2.0 m to eliminate steady noise. The radar sweep rate of all 10 measurement points was …”

J. S. Stansell, J. D. Luck, T. G. Smith, H. Yu, D. R. Rudnick, B. T. Krienke N-Time: An Automated Decision Support System for Sensor-Based Fertigation Management S. 259-264

„… performance was evaluated and characterized for two key attributes: accuracy and execution speed …” „… collection platforms (i.e. resolutions) were chosen to evaluate N-Time execution accuracy compared with …” „… manual workflow execution using Excel and ArcMap 10.6.1. Accuracy was evaluated across outputs from the …”

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

„… of TERRANIMO and CEMOS is a step ahead in usability and accuracy of soil compaction risk indication …” „… detailed maps. Further, the currently calculated axle loads can be refined by measurements …”

A. A. Klopfenstein, C. R. Dean, R. Venkatesh, S. A. Shearer New Tire Technologies vs. Tracks – A Controlled Field Investigation to Assess Productivity S. 335-342

„… “…fuel rate data collected from the ISObus to the physical measurements taken during NTTL performance …” „… fuel rate accuracy using Nebraska Tractor Test Laboratory fuel rate data. Computers and Electronics in …”

doi.org/10.51202/9783181023952

VDI Wissensforum GmbH - AgEng LAND.TECHNIK 2022

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VDI Wissensforum GmbH (ed.)

AgEng LAND.TECHNIK 2022

Series: VDI-Berichte

Volume 2406 2022

Results in this title

C. Stumpe, S. Böttinger Grassland yield prediction and mapping in small-scaled regions S. 149-154

„… on the knowledge and experience of farmers or their estimations instead of sensor-based measurements …” „… . In this context, the advantages and disadvantages, the accuracy and practical aspects of three …” „… selected techniques include yield prediction during the growing period based on measurements by a rising …”

D. Janke, M. Bornwin, T. Amon, B. Amon, K. Coorevits, P. v. Overbeke, A. Declerck, P. Demeyer Development and validation of a low-cost online monitoring tool to manage barn climate and emissions from livestock housing systems S. 203-210

„… even for the measurements of emission factors, where a high accuracy of the absolute value is mandatory …” „… (ILVO), Merelbeke, Belgium Abstract In dairy farming, the measurement of emissions of methane (CH4 …” „… . Thus, measurements are often limited to few scientific focus barns and not suitable for a broad …”

E. Thiessen, M. Eslamifar, R. Kock, E. Hartung, P. Lausen On Farm Validation of different NIR Sensors for Manure Sensing S. 9-16

„… about 30 %. For ammonium this kind of accuracy is about 40 % for the four NIR sensors, for dry matter …” „… the current study with the main aim to quantify the accuracy of the most common and commercially …” „… . Material and Methods Measurement set up For that purpose, a mobile manure test bench was designed and …”

P. M. Roth, F. M. Appich, S. Böttinger Interaction properties of wheat straw and grain for Discrete Element Method S. 549-554

„… success is strongly depended on the accuracy of the determined parameters. This is especially challeng-ing …” „… single value. The accuracy could be increased by param-eterizing functions instead of values. 2. Current …” „… measurement principle was chosen for the investigation of static friction coefficients. The test rig is shown …”

G. Hoffmann, J. Heinicke, S. Wille, T. Amon Influence of barn climate on the rumen temperature of lactating dairy cows – Does the rumen temperature of dairy cows react under heat stress? S. 69-74

„… measured every 10 min individually with a rumen temperature bolus (smaXtec, Graz, Austria; accuracy: ±0.01 …” „… temperature (AT, accuracy: ±0.01°C) and relative humidity (RH, accuracy: ±3%) of the air were recorded every …” „… %. The THI of both measurement points was averaged afterwards with one average THI value of the barn per …”

S. Hempel, L. Ouatahar, D. Janke, T. Amon A nested semi-mechanistic model to predict the temporal dynamics of ammonia emissions from a solid floor naturally ventilated dairy cattle building – Parameter estimation and associated uncertainties S. 197-202

„… volume flow and concentration measurements at the building scale to train regression models or a …” „… ventilated housing systems with minimal measurement efforts. As test case, a dataset with about ten months of …” „… on-farm measurements in a naturally ventilated dairy cattle building with scraped solid floor in Northern …”

N. Katsoulas, M. Aslanidou, A. Elvanidi, A. Mourantian, E. Levizo, V. Vassiliadis, E. Mente Simulation of Ca2+ and K+ concentrations in the nutrient solution of an aquaponic system S. 469-476

„… simulation model, measurements were performed in the pilot aquaponic system of the University of Thessaly in …” „… model predicted with fair accuracy the potassium and calcium concentrations for the total experimental …” „… [3 through 4]. This research aimed to study the accuracy of a simulation model that was developed in …”

R. R. Shamshiri, C. Weltzien, I. Zytoon, B. Sakal Evaluation of Laser and Infrared Sensors with CANBUS Communication for Collision Avoidance of a Mobile Robot S. 121-130

„… inaccuracies in the GPS and IMU measurements. This paper reports on the evaluation of three laser range finders …” „… robot should be able to navigate autonomously between the rows with an accuracy of 5 cm - 10 cm from the …” „… absolute measurements were sometimes insufficient to accurately determine the heading and position …”

S. H. F. Al-Rikabi, E. Santolini, M. Bovo, A. Barbaresi, D. Torreggiani, P. Tassinari, B. Pulvirenti Definition of a Porous Media Model Simulating the Presence of a Small Canopy Crops in a Greenhouse – CFD simulations and comparison with experimental tests S. 639-648

„… bench(on the left) with points of measurements (on the right). The measurements were conducted on the 29th …” „… and averaged over a 10-minute period. The measurements required for this study were made between …” „… between the data obtained by the experimental measurements and the outcome of the simulation has been done …”

C. M. Levrault, J. T. Eekelder, J. P. M. Ploegaert, N. M. W. Ogink Measurement of dairy cows‘ individual methane production rates: the Cubicle Hood Sampler, an on-barn alternative S. 85-92

„… Measurement of dairy cows‘ individual methane production rates: the Cubicle Hood Sampler, an …” „… ]. Additional sensors and techniques also place this system as a promising tool in terms of both accuracy and …” „… starting and ending of a measurement cycle (MC) was based on the recognition of the presence of a cow in …”

J. A. Diaz-Olivares, A. van-Nuenen, B. Aernouts, I. Adriaens, W. Saeys Near-infrared spectroscopic sensor system for milk composition analysis: an on-farm real-time application S. 93-100

„… calibration maintenance techniques is required to correct model drift and further increase the accuracy …” „… introducing active temperature control. The goal of this work is to evaluate the accuracy of this tool and its …” „… bond overtones [16]. In the current analyzer, the temperature of the sample at measurement is kept …”

H. Sahu, D. Janke, T. Amon, S. Hempel Investigation of the vertical distribution of ammonia, methane, and carbon dioxide in a naturally ventilated dairy barn – Evaluation of gaseous pollutants concentrations S. 601-610

„… order to achieve the highest possible accuracy with the least us-age of sensors, it is requisite to …” „… will be useful for the design of optimized gas sampling setups for the direct measurement of emissions …” „… literature, the bias of sensor positioning on GC meas-urement using physical models [6,7] and the effect of …”

L. Friedrich, P. Simon, A. Hoffmann, K.-L. Krieger Classification of manure type and their influence on the accuracy of nutrient determination in organic manures using NIR spectroscopy S. 359-364

„… Classification of manure type and their influence on the accuracy of nutrient determination in …” „… classifier, with a balanced accuracy of 0.90. We developed regression models to determine each manure type’s …” „… ammonium nitrogen (NH4N). To counteract both inhomogeneity and sedimentation during measurement, we mixed …”

M. A. Moreno-Teruel, F. Baptista, F. D. Molina-Aiz, A. Lopez-Martinez, D. L. Valera-Martinez, E. Avalos-Sanchez The Effect of Diffuse Films Covers on Yield, Fruit Quality and Photosyntesis Activity of Cucumber Crop (Cucumis sativus L ) S. 455-462

„… Commercial 40 m × 20 m 800 84,9 10.6 Measurement of photosynthesis activity The measurement of …” „… concentration VDI-Berichte Nr. 2406, 2022456sensor (infrared gas analysis) with a CO2 measurement range of …” „… [300-380 nm] D [%] T [%] Experimental 0.90 0.24 60 85 Commercial 0.85 0.24 55 90 Measurement Equipment …”

L. Wenzel, T. Stein, H. J. Meyer Automatic onboard process and worktype identification of agricultural machinery with Edge Devices S. 403-410

„… considered in the interval of the last 20 and 1 seconds. For a single measurement day, a F1 score of 95 …” „… field. The accuracy for the prediction is about 94.3%. The precision, which is the number of correctly …” „… . The decision tree, which decides if it is a fieldwork or transport process, has a validation accuracy …”

Titelei/Inhaltsverzeichnis

„… . Tassinari, Department of Agricultural and Food Sciences, University of Bologna, ItalyMeasurement of dairy …” „… accuracy of nutrient determination in organic manures using NIR spectroscopy …”

doi.org/10.51202/9783181024065

VDI Wissensforum GmbH - Gleit- und Wälzlagerungen 2021

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Gleit- und Wälzlagerungen 2021

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Results in this title

M. Maeda, T. Maruyama, K. Nakano Development of the Electrical Impedance Method for Oil Film Measurement in EHD Contact Area S. 249-258

„… measurement accuracy is insufficient [1]. This research has improved the conventional electrical impedance …” „… Development of the Electrical Impedance Method for Oil Film Measurement in EHD Contact Area …” „… elastohydrodynamic (EHD) contacts. To verify the proposed measurement principle, oil film thickness measurements …”

R. Dahiwal, B. Sauer An Approach to Study the Damping Properties in Solid-Lubricated Rolling Bearing Contacts – Fundamental Experimental Investigation through Drop-Tests S. 23-28

„… per second and the maximum resolution of 1280×1024 pixels were sufficient for the accuracy of the …” „… measurement results. The tests are carried out with three types of mounting plates, seven different drop …” „… ). Fig. 3: Measurement values from video analysis in comparison (left) and damping coefficient plot …”

doi.org/10.51202/9783181023785

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