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VDI Wissensforum GmbH (ed.)

Automation 2019

Series: VDI-Berichte

Volume 2351 2019

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S. Malakuti, J. Schlake, C. Ganz, K. E. Harper, H. Petersen Digital Twin: An Enabler for New Business Models S. 807-820

„… digital twin. For example, how digital twins can contribute to the value propositions and digital …” „… . Examples scenarios are: Information exchange across the value chain, real-time simulation of production …” „… asset can be anything of value for an organization such as a physical device, a subsystem, a plant, or …”

J. Elsner, R. Mueller, S. Thümmel Flooded Edge Gateways – Real-Time Aggregation of High-Density Data Using Complex Event Processing and Machine Learning S. 719-730

„… increasing latencies when the sampling frequency of event data increases a value of approximately 10 …” „… very sensitively to input values with great deviation. The normalization ensures that the value ranges …” „… added. In addition, the failure of this gateway would cause the loss of data of all connected machines …”

D. Sun, S. Willmann, S. Sathananthan, S. Hoch, D. Gamrad, A. Gladisch, E. Simsek, J. Myrzik Deep Auto-encoder-based Approach for Dependability Assessment of Industrial Wireless Network S. 1047-1070

„… could be added such that data can be handled with ease and securely. The IIoT platform therefore can be …” „… functionalities or applications that can be built with ease to realize added values. Fig. 1: Benefits of …” „… collaboration and to realize solutions faster together. Additionally, in order to realize the optimum value …”

J. C. Wehrstedt, B. Groos, W. Klein, V. Malik, S. Rothbauer, M. Zeller, S. Weiß, B. Böhm, J. Brings, M. Daun, B. Caesar, A. Fay, C. Hung Koo, M. Vorderer A Seamless Description Approach for Engineering Methods Illustrated for Industrie 4.0 Scenarios S. 465-480

„… production systems beyond organizational borders into a value network for customers. The target of this …” „… set of features, specifying which elements have to be removed or added to the system’s actual …”

doi.org/10.51202/9783181023518

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Konstruktion

Browse Volumes: Konstruktion

Konstruktion Volume 71 (2019) Issue 07-08 ISSN Online: 0720-5953

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Nach Lagerausfällen im Vier-Wochen-Rhythmus: Wälzlagertausch an Lebensmittel-Fertigungslinie S. 57

„… Rahmen des AIP-Programms („Added Value Programme“), das NSK Wälzlager-Anwendern als Dienstleistung …”

doi.org/10.37544/0720-5953-2019-07-08

Ludmilla Derr - Interactions between enzymes and oxide colloidal particles and their influence on enzymatic activity

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Ludmilla Derr

Interactions between enzymes and oxide colloidal particles and their influence on enzymatic activity

Series: Grund- und Werkstoffe/Kunststoffe

Volume 760 2016

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Experimental methods and principles S. 48-58

„… adsorbed amount is assessed as the difference between the gas added to the sample cell and the amount of …” „… non-adsorbed gas. The pressure of the added gas is gradually decreased to determine the desorption isotherm …” „… 96-well microtiter plate (Nunc™, Denmark). A 160-|jL aliquot of 0.2 mM p-NPA was added, and the …”

Assessment of proteolytic activity of a-chymotrypsin immobilized on colloidal particles by matrix-assisted laser desorption ionization time-of-flight mass spectroscopy S. 140-163

„… particles (Table 11.1), (3-aminopropyl)triethoxysilane was added to a final amount of 0.3 M to generate an …” „… equal amount of amino groups on the silica surface. The precursor solutions were then added to the …” „… ). 500 |jl of a-alumina or silica suspension were added to this mixture and mixed. 11.2.3 Chymotrypsin …”

Physisorption of enzymatically active chymotrypsin on titania colloidal particles S. 59-81

„… unbound and Ti02-bound Chymotrypsin shows that the KM value is increased from ~10 pM for free …” „… conductivity of 500 pS cm"1 were added (incubation II). Identical incubation pH values were used in incubation …” „… ). 160 pL 0.2 mM p-NPA were added and the increase in absorbance due to the formation of …”

Effects of silica and alumina colloidal particles on enzymatic activity of achymotrypsin after adsorption S. 82-102

„… added (incubation III). After 1 or 18 h, the suspensions were centrifuged for 10 min at 21,100 g. A 950 …” „… -well microtiter plate (Nunc™, Denmark). A 160-|j L aliquot of 0.2 mM p-NPA was added, and the increase …” „… 0.4 mM p-NPA was added, and after 20, 30 and 40 min, the samples were centrifuged, and the …”

Physisorption of a-chymotrypsin on SiO2 and TiO3: a comparative study via experiments and molecular dynamics simulations S. 103-139

„… were performed. Therefore, supernatant and colloidal particles were separated and ddl-hO was added to …” „… atoms were added to the protein monomer with the LEaP program (Link, Edit and Parm, which is included …” „… orientations at each pH value. The averages over all orientations are drawn with the bold colored lines and …”

doi.org/10.51202/9783185760051

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wt Werkstattstechnik online

Browse Volumes: wt Werkstattstechnik online

wt Volume 111 (2021) Issue 04 ISSN Online: 1436-4980

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Barbara Dinter, Hendrik Wache, Saskia Ramm, Eckart Wittstock, Frank Otto, Alexander Maasch Netzwerkunterstützung durch Digitale Zwillinge/Efficient design of dynamic and collaborative value creation processes – Network support through Digital Twins S. 243-247

„… only across the lifecycle but also across the value-added partners. The paper presents the basic …” „… only across the lifecycle but also across the value-added partners. The paper presents the basic idea …” „… collaborative value creation processes – Network support through Digital Twins Current concepts of the digital …”

doi.org/10.37544/1436-4980-2021-04

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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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

„… extending its use [7]. However, AM is appropriate only if added value is generated. For example, cooling …” „… ) and to demonstrate the added value by the increase in the safety factor against scuffing. This added …” „… test gears for the FZG scuffing test Dimension Symbol Numerical Value Unit Centre distance a 91.5 mm …”

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

„… condensed model of each component should be limited to a small value to avoid excessively cumulative error …” „… is determined. If the error exceeds the allowable value, more suitable locations should be sought to …” „… evaluation refer to the FE model, the modal test is first carried out to verify the theoretical value of the …”

D. Park, A. Rezayat, Y. Gwen Gear design optimization for multi-mesh and multi-power flow transmissions under a broad torque range incorporated with multibody simulations S. 849-862

„… evaluation limits to define the range of tooth modifications are added to give the manufacturers more …” „… RING) that are commonly in mesh with two other gears at the same flank side. The greater value of two …” „… active root diameters (SAP) is taken, respectively, to come up with a single value in the manufacturing …”

T.-T. Mac, D. Iba, Y. Matsushita, S. Mukai, T. Inoue, A. Fukushima, N. Miura, T. Iizuka, A. Masuda, I. Moriwaki Application of genetic algorithms for parameters identification in a developing smart gear system S. 239-252

„… optimization process. Once the value of MSE becomes minimum, the best fitting of these two data is obtained …” „… the surface roughness value reaches to about 10 ??, it allows the high conductivity and conductivily …” „… sensor types, any cracks happened at the tooth root during the gear operation will change the value of …”

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

„… are ineffective from two points of view due to the disturbing drift effects that are added. General …” „… dynamic method. With static measurement value acquisition, the probe head is tracked so that the …” „… measurement value is accepted when the probe is in a stable state. In the case of dynamic measurement value …”

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

„… actual value, which can only be obtained after reverse engineering on actual part experiments, is highly …” „… in FEA to act accordingly: As a failure criteria reaches a value of 1 in a group of elements, damage …” „… reciprocal of temperature, or [5]: ? ? ? , , ⋅ ℎ ? ? , , ⋅ exp (3) Where ? , , is the reference value …”

L. Bonaiti, F. Rosa, P. Mahendra Rao, C. Gorla, F. Concli Gear root bending strength: statistical treatment of single tooth bending fatigue tests results S. 15-30

„… this failure mode, by comparing the maximum tooth root stress with the limit value of the gear itself …” „… calculation procedure. The latter are points of which the exact value is unknown; still, it is possible to say …” „… that their exact value would be greater (right censored, e.g. runouts) than a certain value, smaller …”

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

„… and wear track temperature was actively regulated to the respective set value. All reported and …” „… done as continuous speed increase tests where each sliding speed value was applied for a short period …” „… value was applied. In contrast to the first test series, no profilometric wear measurements were …”

F. Mieth, C. Ulrich, B. Schlecht Stress calculation on bevel gears with FEM influence vectors S. 585-596

„… reference value at the force application point. The linear deformation components due to bending, shear and …” „… compression are taken into account. Added to this is the non-linear contact deformation, which is iterated as …” „… value of the equivalent stress over all contacted tooth and mesh positions is visualized with the maxima …”

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

„… fibers can be added to a polymer matrix. Mao et al. [7] carried out an experimental comparison between …” „… µm. An average surface hardness value of 870 HV0.2 was determined for the steel gears. The geometric …” „… , profile Q9, lead Q8, and runout Q5. Table 1: Geometric parameters of the test gears Parameter Value …”

W. Wagner, S. Schumann, B. Schlecht Enhanced loaded tooth contact analysis of hypoid gears within a multi-body-system simulation S. 357-370

„… iteration steps was found to be minimal. These estimated contact compliances are added to the diagonal …” „… becomes negative, the row and column are deleted from the compliance matrices. Likewise, the value is …” „… proportion was introduced for each contact point. For a contact point fully in contact the value is 1, while …”

U. Kissling Generation of a torque spectrum from measured torque-speed-time data S. 533-544

„… frequency is a percent value of the number of load cycles of the bin versus the total number of cycles. The …” „… torque is the TISO value according to table 2. For more general use this definition must be extended …” „… values ? , one for every gear, must be added (fig. 7). Fig. 7: Load spectra examples. Left: Usually …”

C. A. Celikay, A. Donmez, A. Kahraman An experimental study of parametric resonances of a spur gear pair at speeds above its primary resonance S. 511-522

„… form with a mean value of  tk . It was shown experimentally that the value of  contributes to the …” „… 180 . Signals of two diametrically opposed uniaxial accelerometers on gear i 1 2( , )i were added …” „… , 1230nf and 1390 Hz at 20 and 60 Nm, respectively. This is expected as the mean value of the gear mesh …”

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

„… of the Bernstein polynomials, which have a function value greater than 0 on the range ?, ? in 0,1 …” „… net over the surface. In addition, a rational denominator is added to the function of the surface …” „… Bézier surface range from -5.45 µm to 3.3 µm with a root mean square value of 1.42 µm. The difference in …”

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

„… industrial point of view on ecosystems, requirements must be satisfied along the entire value chain. From …” „… , each participant demands connections in a digital value network to solve their common use cases as …” „… position pair. Additional drawing information, e.g. a tolerance for dimension 4, would be added in the same …”

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

„… development time, the freedom of design, and the consequent added value to the final part. Concerning freedom …” „… sequences, the highest temperature on the AM die is 116.7 °C, which is 103.8 °C lower than the highest value …”

A. Pogačnik, U. Kissling The future of plastic gear standardization S. 1149-1160

„… added to the calculation, even though the measuring procedures and test gear geometry are precisely …” „… 1/12, of the relative water absorption in vol %. The proposed value in VDI 2736 is 1/4 for the …”

E. Lothman, M. Hein, U. Steiner Increased load carrying capacity of gears through optimized steel performance, surface conditions and processes S. 637-650

„… cleanliness are investigated. The extensive manufacturing and post processing have been added to try to …” „… geometry Pitting load carrying capacity Tooth root bending load carrying capacity Value Unit Pinion Wheel …”

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

„… diffusive term is added to the continuity equation [28]. To improve the particle distribution, a particle …” „… OUT case. The respective value at 1600 rpm and 10 mm below the axes yields as reference.Filling height …” „… the experiment in the OUT case. The respective value at 1600 rpm and 10 mm below the axes yields as …”

doi.org/10.51202/9783181023891

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