Filter results

Results (343)

Sort by:

Select all Select all

Page 2

Matthias Johannink - Model-based and Experimental Analysis of Transient Electrodialysis Processes

Partial access

Select

Matthias Johannink

Model-based and Experimental Analysis of Transient Electrodialysis Processes

Series: Verfahrenstechnik

Volume 949 2016

Results in this title

Index analysis and reduction of PDAE systems S. 42-65

„… analysis and reduction of PDAE systems. The method is considered as a central element of a modeling work …” „… relevance for the modeling of ionic charge transport is illustrated by considering the well-known …” „… nitions of index are introduced and evaluated as a concept to support the modeling process, the numerical …”

Bibliography S. 161-177

„… current. The Journal of Physical Chemistry B, 111(9):2152 2165, 2007. V. Baltazar, G. Harris, and C. White …” „… . Ultrasound in Obstetrics & Gynecology, 31(4):466 475, 2008. J. Bausa and W. Marquardt. Detailed modeling of …” „… . Balmann, and R. Guardani. Modeling electrodialysis and photochemical process for their integration in …”

Introduction S. 4-16

„… transport phenomena occurring in ED systems is discussed in Section 1.2. In Section 1.3 existing modeling …” „… 1.3 Modeling ionic mass transport and electrodialysis processes As illustrated in Sections 1.1 and 1.2 …” „… and temporal scales placing severe constraints on an e ective experimental analysis. Hence, modeling …”

Modeling of ionic transport in electrolytes S. 66-83

„… 4 Modeling of ionic transport in electrolytes This chapter presents rigorous models for the …” „… exchange membranes in the ED process. The underlying modeling equations and the theoretical framework are …” „… representation for an e cient numerical treatment. 4.1 Modeling equations and theoretical framework This section …”

Titelei/Inhaltsverzeichnis

„… reduction in the modeling work ow . . . . . . . . . . . . . . . 60 3.4.1 Physical interpretation of the …” „… provides important results for scientist and engineers in the fields of mechanistic modeling …” „… processes . . . . . . . . . . . . . . . . . . . . . . . 9 1.3 Modeling ionic mass transport and …”

A dynamic process model of an electrodialysis plant S. 84-110

„… section introduces important details concerning the implementation in a commercial modeling environment …” „… physical principles. 5.1 Hierarchical model structure and model components The model developed in this …” „… general modeling assumptions. Section 5.1.3 describes the models for the remaining process elements, i.e …”

Experimental analysis of electrodialysis process dynamics S. 17-41

„… negligible, volume in these process elements. This is of speci c importance, since the modeling of the …” „… limiting behavior constitutes a rst important benchmark for the physical plausibility of the models …” „… benchmarks for the evaluation of the physical consistency of the developed models. Table 2.1: Summary of …”

Spacer geometry and process performance S. 111-133

„… process performance 6.2.2 Geometric modeling of the spacer and simulation scenario The geometric …” „… averaged to obtain an estimate for the evolution of the pressure in the mean ow direction. The physical …” „… to 2048 processors. 115 6 Spacer geometry and process performance 6.2.4 Semi-empirical modeling of …”

doi.org/10.51202/9783186949035

Partial access

Select

VDI Wissensforum GmbH (ed.)

Automation 2022

Series: VDI-Berichte

Volume 2399 2022

Results in this title

C. Song, J. Schlake, S. Emmrich Materialverfolgungsbasierter Softsensor für die Überwachung von Treibhausgasemissionen in der Prozessindustrie S. 161-174

„… physical model to predict target quantities, e.g. CO2 emissions within a system; it can be considered as a …” „… manufacturing operations digitally, especially those operations which cannot be measured by physical sensors …” „… deploy discrete event simulation as a soft sensor to integrate physical sensor data and event model with …”

G. Cainelli, L. Underberg, L. Rauchhaupt Framework for bringing wireless communication into the context of Industrie 4.0 S. 31-44

„… connects a digital domain with a physical domain and can be used to design, validate, and investigate use …” „… . The physical domain is com-posed of a 5G simulation model. Each asset in the simulation model has its …” „… can monitor the physical system and changes its parameters when necessary [1] [2]. Fig. 1 shows a …”

N. Widulle, J. Ehrhardt, M. Krantz, A. Liebert, A. Nordhausen, O. Niggemann Eine Simulationsumgebung für flexible Cyber-Physische Produktionssysteme zur Generierung realistischer Datensätze für maschinelle Lernverfahren S. 533-544

„… ] Hilding Elmqvist, “Modelica — A unified object-oriented language for physical sys-tems modeling …” „… autonomy of Cyber-Physical production systems (CPPS) in domains like anomaly detection, diagnosis and …” „… the simulation of physical and graphical implications in addition to CPPS system behavior. The …”

R. Heesch, N. Widulle, A. Köcher, A. Nordhausen, L. M. Vieira da Silva, J. Putzke, O. Niggemann Methoden der künstlichen Intelligenz für die automatisierte Planung von modularen Produktionsprozessen S. 439-452

„… modeling approaches for planning in cyber physical production systems,” in Proceedings of the 2014 IEEE …” „… , “Cyber-physical Production System: Roots, Expectations and R&D Chal-lenges” Procedia CIRP, vol. 17, pp. 9-13, 2014 …” „… ETFA. 2014, pp. 1–8. [8] A. Rogalla and O. Niggemann, “Automated process planning for cyber physical …”

M. Freund, C. Barth, P. Juhlin, S. Lehnhoff, M. Winter, G. Fachinger Supporting Product Lifecycle Information Management and Distributed Engineering with an Integration Model S. 277-288

„… Integration Model that can be used to integrate information represented in arbitrary data modeling formats …” „… with modeling mechanisms for exchanging (engineering) information between different software systems …” „… and connecting to arbitrary file formats [4, 5]. However, there is no general means of modeling links …”

S. Grüner, M. Hoernicke Orchestrierung hybrider Anlagen – auf dem Weg zur Integration von PackML Komponenten in Modulare Anlagen S. 307-318

„… , there are two standards defining orchestration interfaces of physical modules: Module Type Package (MTP …” „… product or taken from an already available physical module with an OPC UA communication interface. In the …” „… space, i.e., OPC UA node IDs, of the PackML machine. This is done by modeling the PackML interface …”

D. Dittler, T. Müller, V. Stegmaier, N. Jazdi, M. Weyrich Anwendungsoptimierte Modelladaption des Digitalen Zwillings eines modularen Produktionssystems während der Betriebsphase S. 545-560

„… Reconfiguration Demand and Generation of Alternative Configurations for Cyber-Physical Production Systems,” in …” „… , D. Gorecky, and D. Zühlke, “Future modeling and simulation of CPS-based factories: an example from …” „… Cyber-Physical Production System,” at - Automatisierungstechnik, vol. 67, no. 9, pp. 762–782, 2019. [31] N. Jazdi …”

E. Bayrhammer, B. Vogel-Heuser, F. Ocker, H. Avgoustinos, R. Thrift Digitale Zwillinge als Enabler für Agentensysteme zur Realisierung autonomer Wertschöpfungsnetzwerke mit erhöhter Produktivität S. 465-478

„… Plattformen werden die Begriffe „Things“ und „Things Modeling“ verwendet, wodurch eine plattformweit …” „… -multi-agent-systems-in-industrial-automation-fundamentals [15] L. A. Cruz Salazar, D. Ryashentseva, A. Lüder, und B. Vogel-Heuser, „Cyber-physical …” „… . Vogel-Heuser, J. Lee, und P. Leitão, „Agents enabling cyber-physical production sys-tems“, - Autom., Bd. 63, S …”

M. Blumenstein, A. Fay, L. Beers, A. Stutz, M. Maurmaier Vergleichende Untersuchung der Orchestrierung modularer Anlagen in der Prozessindustrie, der Fertigungsindustrie und der produktionsnahen Logistik S. 289-306

„… . Fay, A.: Modeling and Executing Production Processes with Capabilities and Skills using Ontologies and …” „… Microservice-Based Automation Architectures: Next Level of Flexibility for Industrial Cyber-Physical Systems. In …”

doi.org/10.51202/9783181023990

VDI Wissensforum GmbH - International Conference on Gears 2019

Partial access

Select

VDI Wissensforum GmbH (ed.)

International Conference on Gears 2019

Series: VDI-Berichte

Volume 2355 2019

Results in this title

P. L. Yin, J. H. Wang, C. X. Lu Digital twin of gear measuring center (dtgmc) S. 1521-1532

„… measurement process. It integrates the modeling technology of physical GMC, error modeling technology …” „… error becomes the main source that affects the measuring accuracy of gear. In physical measurement, the …” „… concept of physical objects with the advantages of reducing R&D costs, shortening R&D cycle and …”

C. Lu, J. Wang, P. Yin Evaluation method of measuring software based on virtual gear measuring center S. 1173-1180

„… affecting the accuracy of the Gear Measuring Center (GMC). It is mainly tested by physical experiment or …” „… yiyiiiy r ppyy （2） In physical test, the correctness of this linearization is difficult …” „… , 20191176 Fig. 3: Involute modeling by equal arc length segment method 4. Experimental results and …”

M. Keuthen REXS – Standardized gear unit model S. 701-712

„… transmission development and calculation. REXS defines a uniform parametric modeling and nomenclature of the …” „… components of the REXS model may represent both concrete physical components of the transmission and more …” „… individual components to the individual physical phenomena, can always be carried out on the basis of a …”

L. Ryali, D. Talbot A gear load distribution model for planetary gear set with a flexible carrier S. 809-822

„… computationally efficient modeling approach is proposed to capture planet carrier and pin flexibilities in the …” „… planetary gear load distribution model. 2. Modeling of Deformable Parts Under normal operating …” „… load distribution model [12]. This modeling technique is not only time consuming but also inaccurate …”

F. Concli, C. Gorla Dynamic models for planetary gearboxes SHM S. 471-480

„… definition of maintenance schedules for the machine, the availability of physical models able to accurately …” „… therefore aligned with the expectations. The following step is represented by the capability of modeling …” „… . Mouritsen, “Modeling and Parameter Identification of Deflections in Planetary Stage of Wind Turbine Gearbox …”

Y. Cai, L. Yao, J. Ding, S. Ouyang, J. Zhang Analysis of dynamic transmission error for nutation drive with double circular arc gears under assembly errors and different loads S. 343-354

„… affecting the dynamic transmission characteristics of gears. Cho et al. [13] proposed a numerical modeling …” „… nutation reducer physical prototype is tested by two angle sensors, as illustrated in Fig. 10. Loading …” „… estimation of dynamic transmission error of gear by using quasi-flexible-body modeling method. Journal of …”

E. Maier, T. Lohner, K. Stahl, P. Sperka, M. Hartl Detailed analyses of film thickness and friction in thermoplastic EHL contacts S. 1391-1400

„… , similar to hard EHL contacts. The precise modeling of phenomena related to solid mechanics of polymers …” „… . Proceedings: Mathematical and Physical Sciences 432:1886 (1991). [6] Vicente, J. de; Stokes, J. R.; Spikes …”

S. Detzel, Y. S. Krieger, M. F. Traeger, T. C. Lueth Design of gear surface models for 3D-printing of plastic gears S. 1401-1410

„… tested, such as Fused Deposition Modeling [5], [6] and Stereolithography [7], [8]. The fabrication of …” „… .: Aspects of accuracy and precision in the additive manufacturing of plastic gears. Virtual and Physical …”

Titelei/Inhaltsverzeichnis

„… , France f Dynamic Investigation of dynamic modeling and vibration transmission characteristics of …” „… Aachen University f Dynamics on planetary gears Dynamic modeling and analysis of a star-wheel reducer …” „… , M. Fratz, T. Seyler, A. Bertz, D. Carl, Fraunhofer Institute for Physical Measurement Techniques …”

M. Ruzek, F. Ville, P. Velex, Y. Marchesse Windage power loss reductions in high-speed gear pairs S. 91-100

„… pure air, the physical properties of which are evaluated at 25 °C (e.g. ρ = 1.185 kg/m3 and μ = 1.831 …” „… . VDI-Berichte Nr. 2355, 2019 99 15. Numerical modeling of the power losses in geared transmisions: windage …”

B. Brodmann, H. Bodschwinna Scattered light measurement on worm gears with high efficiency requirements S. 1567-1578

„… physical feature of the surface. The following presents a procedure that meets these requirements. 3 …” „… ] Schroeder, S, et al. Modeling of light scattering in different regimes of surface roughness, Optics express …”

doi.org/10.51202/9783181023556

VDI Wissensforum GmbH - LAND.TECHNIK 2022

No access

Select

VDI Wissensforum GmbH (ed.)

LAND.TECHNIK 2022

Series: VDI-Berichte

Volume 2395 2022

Results in this title

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

„… and completion of experimental testing, and pre-processing of physical and virtual time series …” „… datasets. Furthermore, to summarize simulation model performance against physical data, applied under a …” „… deviation of absolute error should be less than 25 percent of the standard deviation of physical time …”

C. von Holst, O. Klaar A Study on Improving Cross-Company Co-Operation by Systems Engineering Implementation and Application S. 185-192

„… missing: Either the attribute is omitted or added. Advantages in Collaborative Modeling Modeling of …” „… . SysML on the other hand is a very powerful modeling language allowing views and models build in …” „… collaborative modeling. Despite the need for a common modeling framework and model architecture agreed upon and …”

doi.org/10.51202/9783181023952

Partial access

Select

VDI Wissensforum GmbH (ed.)

ELIV 2019

Series: VDI-Berichte

Volume 2357 2019

Results in this title

R. Adler, D. Schneider, T. Fukuda Engineering and Hardening of Functional Fail-Operational Architectures for Highly Automated Driving – Identifying and shaping the operational design domain S. 383-394

„… driving situation is not a new topic. There are different calculation variants to determine a physical …” „… architecture modeling approach and elaborate on the challenge of adapting architectural elements. Next, we …” „… will discuss adaptation behavior modeling and present enhancements for modeling the operational design …”

P. Gesner, F. Kirschbaum, F. Landenberger, J. Scheiffele, L. Morawietz, B. Bäker Modeling and identification of electrochemical energy storage for drive train development – Review and evaluation S. 101-114

„… represent the behavior without any physical knowledge. Based on these distinctions in modeling depths, the …” „… physical phenomena. For that reason, many methods found in the literature, that focus on modeling in the …” „… Modeling and identification of electrochemical energy storage for drive train development …”

Y. Chazal, A. M. Hein, S. Boutin System of systems structured data for mobility services S. 293-306

„… operational, functional, and physical as shown in Fig. 4. The operational view shows the interactions of the …” „… transformed by system elements, and the physical view shows the actual hard- and software to which the …” „… . VDI-Berichte Nr. 2357, 2019 301 The system of systems structured data modeling approach we are proposing also …”

M. Traub, H.-U. Michel Future electric/electronic architecture – Sustainable design of a digital in-vehicle backend infrastructure S. 201-212

„… including a description of the service interfaces is described on this level. The modeling and …” „… as an intelligent power supply based on physical location in the vehicle. An Ethernet-Backbone …” „… physical redundancy by enabling intrinsic fail-opera- VDI-Berichte Nr. 2357, 2019 211 tional behavior of …”

doi.org/10.51202/9783181023570

1

2

3 ... 69