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Robust Design Optimierung endlosfaserverstärkter Verbundbauteile

Markus Kellermeyer

Series: Konstruktionstechnik/Maschinenelemente

Volume 443 2018

Results in this title

Literaturverzeichnis S. 135-146

„… Rooij, R.; Schoofs, A.; Rooda, J.: Simulation based optimization of stochastic systems with integer …” „… design variables by sequential multipoint linear approximation. Structural Multidisciplinary Optimization …” „… design optimization of FRP sandwich floor panels. IOP Conf. Series: Materials Science and Engineering 10 …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… Optimization – Faserverbundwerkstoffe – Feldstatistik – Sensitivitätsstudie – Robustheitsbewertung – klassische …” „… robust design optimization is carried out where the layer stack is changed in such a way that predefined …” „… calibrated with experimental results of several parts. Finally a robust design optimization for a new load …”

doi.org/10.51202/9783186443014

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Bauingenieur

Browse Volumes: Bauingenieur

Bauingenieur Volume 92 (2017) Issue 10 ISSN Online: 0005-6650

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Rimantas Belevicius, Algirdas Juozapaitis, Dainius Rusakevicius, Ieva Misiunaite, Saulius Valentinavicius Optimal Schemes of Underslung Girder Foot Bridges for Different Spans and Deck Types S. 427-434

„… paper suggests employing in the design process the structural optimization and shows optimal schemes of …” „… underslung girder bridges for different spans and deck types. Mathematically, the optimization of the bridge …” „… structure is a mixed topology-shape-sizing optimization problem with a variable number of design variables …”

doi.org/10.37544/0005-6650-2017-10

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PIAE EUROPE 2025

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2446 2025

Results in this title

W. Pelzer, U. Seefeldt Competitive Advantages Through Smart AI-Driven Engineering S. 311-322

„… alternative: they enable the simultaneous optimization of physical parameters, reducing development times by …” „… optimization of hybrid components for the automotive industry, achieving material savings of up to 34%, drastic …” „… been extended by optimization strategies. Modern AI-based methods now allow for the simultaneous …”

F. Tautenhain, R. Rinberg Process combinations for the production of sustainable load-appropriate molded parts S. 209-218

„… . Through the use of an innovative layering process (DILO 3D-Lofter) and simulation-based optimization …” „… integrated approach was developed that combines simulation-supported optimization with innovative …” „… g/m²Tension modulus of elasticity [MPa]VDI-Berichte Nr. 2446, 2025 213Component optimization and nonwoven …”

S. Harter, C. Bouvatier, S. Schoell Porsche adaptive front diffuser – from racetrack to street S. 139-156

„… Design and construction Optimization of the installation space The implementation of the front diffuser …” „… aerodynamic and thermal performance. Optimization of rigidity The high negative pressures on the underbody …” „… was laid on simulation prediction, tribology optimization, topological optimization and on accessing …”

M. Nowak Tier 1 Supplier Role in Boosting PCR Integration in Automotive Injection-Molded Products for a Circular Economy S. 405-406

„… manufacturing. It concludes that PCR materials are a viable substitute for virgin plastics, but optimization in …”

A. Falke Method for determining the cost impact of tolerances on plastic components – How much does accuracy cost? How much does precision cost in the injection-molding process? S. 575-596

„… greater number of optimization loops until release for series production which lead to longer project lead …” „… number of product optimization loops before series maturity and thus an increasing project lead time. On …” „… qualified personnel with in-depth knowledge of process optimization. For the production of such …”

S. Lee, J. Heinisch, LG Chem, Frankfurt Innovative EMI-Shielding plastics – Functional integration enabling weight and cost reduction in the example of a DC-DC converter application S. 249-260

„… Charging Control Units (ICCU) feature metal housings and offer potential for optimization. Conductive …” „… demonstrated success in weight reduction and cost optimization suggests that similar approaches could help …”

M. Lipperheide, J. Pfaff, S. Louis-Mossberg Sustainable, new and useful: Pentatonic Green+ plastic battery housing S. 473-488

„… indispensable part of everyday life and their application is a result of the constant optimization of products …” „… are subject to constant optimization and adaptation in the agile technological environment of …”

J. Rausch, A. Suratkar, M. Hohberg, A. Rau Method development for mapping the mold-filling process of thermoplastic compression-molded components with continuous-fiber reinforcement and complex rib structure S. 229-238

„… optimization can take place. In addition, the influence of local flow aids in the tape under the ribs could be …”

F. Fischer, W. Dorfner, A. Benndorf, M. Kirchberger Recyclate use and passive safety: components in the bumper of the new Audi A5 S. 175-192

„… optimization aims to delay even more the degradation of the material by UV radiation and to further minimize …”

D. Spancken, J. Decker, E. Metzsch-Zilligen A contribution to sustainable development – the use of recyclates in highly loaded applications S. 361-372

„… optimization. In general, the recycled material has sufficient material properties for several technical …”

M. Schneebauer Future Sustainable Car Materials – A Contribution to a Sustainable Circular Economy for Plastics in Automotive Engineering S. 1-10

„… recyclate variants, can likely be managed through optimization in the compound or the process. A central …”

J. Schoberer, M. Schlummer, L. Strobl, D. Arends Post-consumer recyclates from end-of-life-vehicles S. 23-38

„… still contained some PA6, showing a potential for further optimization to increase the process yield …”

doi.org/10.51202/9783181024461

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Plastics in Automotive Engineering 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 4348 2017

Results in this title

M. Kreutzmann, T. Schneider, R. Rademacher Development of a carbon-composite electro-transmission housing S. 263-270

„… injection-molding simulations, and optimizations carried out as necessary. The load paths of the housing are …” „… determined with the aid of topology optimizations, taking tension and compression ranges into account. The …” „… organo-sheet, and optimization of the UD tapes and injection-molded ribs. Tool production, which is tightly …”

R. Korn, T. Reußmann 3-D direct deposition of reinforcement fibers in the fiber blowing process – State of the art in natural fiber processing S. 145-156

„… : Optimization of material composition Tooling and mold-making 3D deposition in the blowing-in station with …” „… lightweight solutions in the automotive industry: 148 1. Reduction of component weight 2. Optimization of …” „… manufacturers. For the thermal solidification of the fiber fabric and also for optimization of its forming …”

H. Hauke, J. Horstmann Lightweight carrier system for the air filter of the Mercedes-Benz Actros S. 315-316

„… help improve efficiency in modern commercial vehicles. In addition to optimizations of the drive …” „… first structural concept. A wall-thickness optimization is carried out with the structural model in …” „… demolding constraints. The 3D geometry is created in an optimization cycle and in parallel undergoes …”

O. Mende The underbody: an underestimated contribution to CO2 reduction S. 57-74

„… . However, the focus of optimization work was limited to the body alone. Possible areas of potential in the …” „… underbody remained as yet unexploited. This was also the case with the Golf 3. The first optimizations …” „… are optimizations regarding not only aerodynamic properties but also weight, resulting from …”

J. Götzelmann Bumper in thin-wall technology: an update regarding materials, processes, and technology innovations S. 75-90

„… with the side left in its original state. The following optimization measures were implemented …” „… . Optimization of the spotting and pressure pattern of the nozzle and ejector sides Reduction of movements in …” „… and achieves a very satisfactory all-round welding even after a very short welding time. Optimization …”

W. Schijve, G. Francato, R. Yaldiz True confidence in thermoplastic composite simulations for any automotive component S. 299-312

„… properties is much greater. In the optimization, these effects have been taken into account, based on …” „… optimizations using various material forms. It should be noted again that each of the composite variants has …”

M. Steinbach, J. Maier Methodological further development of weight reduction in vehicle interior trim parts – Current and future opportunities from an automaker's perspective S. 21-34

„… reduction Wall-thickness reduction in the case of Mold-in-Color components as a weight optimization …” „… optimization which are thus available. The further development of materials and also an optimal design of …”

A. Povinelli, M. Matthews, J. J. Laux, J. Goetzelmann Active aerodynamic advancements in vehicle underbodies S. 101-108

„… and optimization. 106 These processes enable Magna to offer unique and innovative solutions to …”

J. Reddemann, H. Seifert Energy-efficient production of thermoplastic CFRP parts by one-step direct processing S. 135-144

„… impregnation process with a view to further process optimizations. With an appropriate process maturity. the …”

P. Gamonal-Repiso, J.M. del-Mazo, M. Sánchez-Soto Surface quality: improving the quality perception of molded parts S. 191-202

„… enough surface information and requires several optimization loops in order to obtain optimal matching …”

D. Häffelin Innovative processing of thermoplastic composites for the Porsche Panamera brake pedal – Continuous-fiber technology for safety components in the vehicle S. 121-134

„… computer-aided optimization methods for the component topology which take into account the continuous-fiber …”

doi.org/10.51202/9783182443483

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LAND.TECHNIK 2020

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2374 2020

Results in this title

D. Brinkmann, L. Kortenjann, M. Niermann Topology-optimized body structures and possibilities of realization using the example of a combine – feeder house S. 303-308

„… paths, a FEM analyzation and subsequently a topology optimization which utilizes the information is …” „… topology optimization are mostly framework structures, since these have a homogeneous stress distribution …” „… and a high material utilization. However, based on the optimization results different design methods …”

T. Stein Automatic logging and situation-related evaluation of manufacturer independent machine data S. 47-54

„… optimization of machine utilization are also addressed. In 3 years almost 10.000 hours of work processes from …” „… belonging machine data. Discovering optimization opportunities and supporting the user in decision making …” „… . The algorithm development for optimization and decision-making support is the main task of the …”

S. Pretsch, M. Rothbart Sustainable Agriculture in an Electrified World – Cradle-to-Grave evaluation of different propulsion systems S. 1-8

„… . Considering this background, OEMs are paying great attention to the optimization of existing powertrain …” „… engine offers still potential for improving efficiency. This is possible by optimization of the turbo …” „… will be made in the optimization of production processes and system efficiencies. It is expected, that …”

C. Hoffmann, M. Müller, R. Haas Cyber Security Management Systems for Agricultural Technology Products – A CSMS “light” S. 445-450

„… improvement measures ● Recommendations for future improvements and optimization of the CSMS process …”

A. Lindenberger, C. Korn Parameter identification for Discrete-Element-Method (DEM) particles of a self-propelled forage harvester (SPFH) chopping sample S. 135-142

„… for optimization by adjusting process parameters to accomplish the desired chopping results. However …”

M. Pußack, I. Stasewitsch, L. Frerichs Investigations of a cutter bar operated in resonance mode with an electric direct drive S. 151-156

„… parameters are adjusted via online optimization. Furthermore, the natural frequency of the system is …”

P. Flierl Development of a header-prototype in order to increase combine throughput in grain harvest S. 375-382

„… necessary. Optimization One way to increase combine throughput without extending existing dimensions is …”

doi.org/10.51202/9783181023747

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SIMVEC Simulation und Erprobung in der Fahrzeugentwicklung 2016

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2279 2016

Results in this title

T. Franke, S. Fiebig, J. Sellschopp, T. Vietor Gussgerechter Leichtbau in der Topologieoptimierung mittels integrierter Gießsimulation inklusive Formfüllung und Erstarrung S. 251-266

„… einem schnellen Entwicklungsprozess erzielt. Abstract Nowadays topology optimization is a well-used …” „… development process. Available optimization tools consider manufacturing restrictions only insufficient by …” „… lightweight potentials. The paper shows the combination of the Volkswagen topology optimization and an own …”

A. Ravi, H.-M. Koegeler, T. Miyata, A. Saroldi Tool Chain for development of ADAS systems S. 275-288

„… optimization depends on one considering and understanding all the relevant influencing parameters and their …” „… investigated design space. These models can be further used for a multi objective optimization and trade off …” „… Optimization The next step in the evaluation is to build behavior models, which forms the basis of the …”

M. Gräber, J. Fritzsche, C. Schulze Vom Systemmodell zur optimalen Steuerung – Eine Werkzeugkette zur effizienten Lösung von Optimalsteuerungsproblemen S. 15-30

„… : Optimization, Estimation, and Control. John Wiley & Sons Inc, 1979. [2] J. T. Betts, Practical Methods for …” „… Optimization for Large Scale Nonlinear Processes,” Universität Heidelberg, 2001. [6] D. B. Leineweber, I …” „… SQP Strategy for Large-Scale Dynamic Process Optimization (Parts I and II),” Comput. Chem. Eng., vol …”

N. Rönicke, S. Brandes, B. Seufert, A. Ams Simulationsgestütztes Design einer Schlechtwegoberfläche für ein neues Automobil- Prüfgelände S. 765-776

„… optimization. By using the example of one typical rough road, the paper first points out local disadvantages …” „… optimization is based on both full vehicle measurements and simulations. 1. Einleitung Die betriebsfeste …”

A. Sorg, J. Utzinger, E. Lengl, B. Seufert Methode zur Steigerung der Radschraubenlebensdauer im Radverbund S. 239-250

„… screws are identified. The aim of the subsequent optimization is to reduce the stress on the wheel …” „… ., Osyczka, A.: Multicriteria Design Optimization. Berlin: Springer Verlag 1990 VDI-Berichte Nr. 2279 …”

M. Kellermeyer, M. Perterer, S. Wartzack Optimierung von Faserverbundwerkstoffen unter Berücksichtigung streuender Felder – Der Weg zu einem optimalen und robusten Design S. 379-390

„… evaluations regarding the mechanical properties of the structure. The findings can be used in optimization …” „… efficient optimization workflows. 1. Motivation Aufgrund ihrer guten gewichtsspezifischen Eigenschaften …”

K. Pfeiffer, R. Merl NVH Kalibration auf einem Powertrain-In-The-Loop Prüfstand S. 833-848

„… weight optimization by treatment of NVH packages Optimization of Mild Hybrid systems e.g. Stop & Start …”

I. Sokrut, M. Müller Maximale Leichtbaupotentiale durch CAD-integrierte FEMBerechnung am Beispiel von Karosserieaußenflächen S. 391-404

„… Karosserieaußenflächen Parametric associative Computer-Aided-Design-Engineering and Optimization (PACADEO …”

H. Baum, E. Pasquini Druckschwingungsanalyse von Leitungssystemen mit viskoelastischem Materialverhalten der Rohrwand – Modellsynthese und messtechnische Ermittlung der Modellparameter S. 467-480

„… optimization the model parameters are derived from measured data. VDI-Berichte Nr. 2279, 2016 467 Bild 1 …”

M. Breitfuss, O. Gattringer, W. Hübsch Effiziente Berechnung der Kontaktspannungen in Fügestellen von dynamisch belasteten Komponenten S. 201-212

„… simulations within an optimization loop as well. Finally the fatigue analysis results of a passenger car …”

R. Hettel, C. Schyr, T. Düser Validierungsprüfstand für Fahrzeuge mit Fahrassistenzsystemen und autonomen Fahrfunktionen S. 713-724

„… .: „Evaluation and optimization of steering behavior in overall vehicle context at the „Steering-in-the-Loop …”

A. Höfer, G. Kopp, H. E. Friedrich Efficient, Computer-aided Design of Vehicle and Suspension Concepts by means of the DRIVE!-Toolkit S. 161-176

„… suspension concept toolbox can be used to make an overall, multicriterial optimization and evaluation of the …”

R. Huber, W. Kober, R. Oberfell, E. Wohlfarth, C. Ballarin, C. Janson Verfahren zur objektiven Bewertung des Querregelverhaltens schwerer Nutzfahrzeuge – Verbesserung der Fahrerakzeptanz von automatisierten Systemen durch objektive Bewertung von Mess- oder Simulationsda... S. 289-302

„… and optimization in accordance to customer demands in early development stage. This paper presents an …”

C. Diez, L. Harzheim, A. Schumacher Effiziente Wissensgenerierung zur Robustheitsuntersuchung von Fahrzeugstrukturen mittels Modellreduktion und Ähnlichkeitsanalyse – Big Data in der Crashsimulation S. 137-150

„… Optimization 35, 2008, S. 263-272 [3] Pellissetti M. F., Schuëller G. I., Pradlwarter H. J., Calvi A …”

J. C. Wurzenberger, C. Pötsch, S. Kutschi, R. Fairbrother, S. Bardubitzki, R. Wanker Real-Driving Emissions – an integrated on-road testing and office/hardware-in-the-loop development approach S. 559-574

„… Prediction in a Small Diesel Engine Finalized to the Optimization of the Fuel Injection Strategy. SAE Tech …”

F. Schweizer, G. Wachtmeister, M. Bernath, J. Swoboda, T. Ille Co-Simulationsmethodik zur ganzheitlichen Betrachtung und Optimierung eines schweren Nutzfahrzeugs unter Berücksichtigung eines Wärmerekuperationssystems S. 59-78

„… analysis and optimization of a heavy duty vehicle in consideration of a waste heat recovery system …”

K. Raguse, P. Lutzke, A. Oeckerath Einsatz von Highspeed-Projektionsverfahren zur Bewegungs- und Deformationsanalyse von Sicherheitsversuchen S. 635-652

„… ), 2006. [4] Lichtenberger, R., Schreier, H., Efficient Optimization of Airbags by the Measurement of …”

S. Weber, M. Körner, J. Fischer, Y. Dursun, F. Kirschbaum, R. Jakobi, B. Bäker Entwicklung einer Methodik zur Durchführung des Straßenabgleichprozesses S. 725-744

„… Optimization Toolbox in der Software Matlab enthalten ist, wendet den Algorithmus 'trust-region-reflective' [16 …”

doi.org/10.51202/9783181022795

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Automation 2020

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2375 2020

Results in this title

A. Müller, M. Lange-Hegermann, A. von Birgelen Automatisches Training eines Variational Autoencoders für Anomalieerkennung in Zeitreihen S. 687-698

„… on the data source using Bayesian optimization. This model works with typical input types (binary …” „… Bayesian optimization is possible. Classically, an autoencoder is trained to reproduce its training data …” „… results on several different data sets. Bayesian optimization [6] automatically optimizes these …”

M. Glawe, L. Feeken, B. Wudka, C.-Y. Kao, E. Mirzaei, T. Weinhold, A. Szanto Towards resilient Factories of Future – Defining required capabilities for a resilient Factory of Future S. 755-768

„… ) brings up new opportunities as well new threats that must be concerned to conciliate optimization of the …” „… are needed to improve the level of optimization and resilience of the FoF. Those new techniques do …” „… that must be addressed in the context of the FoF is the need to conciliate optimization of the supply …”

S. Baer, F. Baer, D. Turner, S. Pol, T. Meisen Integration of a Reactive Scheduling Solution using Reinforcement Learning in a Manufacturing System S. 645-658

„… than a particular optimization goal. However, sequencing is an important first step and contributes to …” „… own optimization goal, such as quality or energy consumption. During execution, the agents act …” „… other agents, allowing them to fulfill their own optimization objective in addition to a possible …”

P. Sohr, C. Schulz, M. Matzopoulos, M. Roth, M. Krauss, K. Kruening, M. Ungen, F. Wolff Digital Twin of Process Behavior: Experience from a Demonstration Project S. 215-226

„… optimization is typically heavily relying on digital process models. Significant tool and modeling expertise …” „… flowsheet models for answering process related questions offline, online models for Real-Time-Optimization …” „… simplified workflow typical for the implementation of a small optimization measure through modifications in …”

C. Huang, S. Seidel, F. Alberto Velarde Gonzales, D. Mayer Kostenoptimale Steuerung eines multivalenten Gebäudeenergiesystems mittels modellprädiktivem Ansatz und Reinforcement Learning S. 43-58

„… existing alternative options of energy production and saving a mixed-integer optimization problem arises …” „… in general. To solve this we first apply combined optimization methods and integrate it into a model …” „… .): Integration of AI and OR Techniques in Constraint Programming for Combinatorial Optimization Problems. Berlin …”

U. Kannengiesser, F. Krenn, M. Kornexl, C. Stary Testen Vernetzter Systeme in der Industrie 4.0: Ein Agiler, Situativer Ansatz S. 407-416

„… . VDI-Berichte Nr. 2375, 2020412 Bild 4: Beispiel des Skills „Consumption Optimization“ einer I4.0-Komponente …” „… „Consumption Optimization“ und „Machine Actuator“. Diese rührt daher, dass die Nachricht „Machine speed“ zwar …” „… vom Skill „Consumption Optimization“ gesendet wird (gemäß des Skill-Modells in Bild 4), aber im Skill …”

A. Stutz, M. Maurmaier, M. Birkenkamp, T. Kohlenberg, A. Pomraenke, G. König, S. Erben, C. Brehm, B. Gut, V. Buleac, T. Scherwietes, H. Bloch Concept and Application for operator-centric diagnosis within modular plants – Concept Report of ZVEI/NAMUR Task Force 4.1.1 S. 197-214

„… maintenance and optimization ("pink world"). The following subchapters characterize the stakeholder …” „… ) and a connected Maintenance / Optimization Layer for the M+O side (pink) 3.1 Stakeholder …” „… plant operation ("grey world"), but also the monitoring and optimization (pink world). These advantages …”

M. Azarmipour, C. von Trotha, U. Epple, C. Gries Entwicklung eines Architekturkonzepts für zukünftige prozessnahe Komponenten S. 303-316

„… Process Optimization. Die DT auf Steuerungsebene bietet Receiving Order Registry - Existing Components …” „… : Optimierungsszenario Realtime Hypervisor Controller 1 RTE DT Models and Process optimization Predictive Mainte …”

C. Barth, A. Kehl, C. Stich NOA im Praxiseinsatz – Integration von Diagnosedaten ins Flottenmanagement S. 317-330

„… transmitted through a second channel into the monitoring and optimization domain [1]. In this way, on can …” „… optimizations back into the core process control domain [2]. This paper presents hands on information from the …”

T. Tasci, M. Walker, A. Lechler, A. Verl Towards Modular and Distributed Automation Systems – Leveraging Software Containers for Industrial Control S. 915-928

„… allow the automatic reconfiguration and optimization according to the product’s erratic requirements …” „… and optimization of such an architecture by using simulation technics and collected process data. To …”

B. Czybik, M. Ehrlich, H. Trsek, A. Oswald Eine differenzierte Betrachtung ganzheitlicher Selbstorganisation im Rahmen von Industrie 4.0 S. 1055-XXIII

„… Meta-Heuristik der Ameisenkolonie-Optimierung (Ant Colony Optimization - ACO) [8]. Die autonomen Fahrzeuge legen …” „… . Birattari, and T. Stutzle, “Ant colony optimization,” IEEE Comput. Intell. Mag., vol. 1, no. 4, pp. 28–39 …”

H. J. Fröhlich Von der Geräteüberwachung zum Prozessmonitoring – Mit „Small Data“ und Applikationsmodell zum Anwendernutzen S. 269-278

„… Arbeitskreises ausschließlich für die Zwecke von „Maintenance and Optimization“ spezifiziert) wird aus Gründen …”

M.-S. Schäfer, J. Wahrburg, H. Roth Zustandsschätzung von Längszügen in einem Fertigwalzblock eines Warmwalzprozesses für Stabstahl mittels nichtlinearer Optimierung – Quasi-stationäre Optimierung im Warmwalzprozess S. 145-156

„… framework for nonlinear optimization and optimal control“, Mathematical Programming Computation, Jg. 11, Nr …”

A. Ziegler, M. Risser, S. Fischer, M. Roser Nutzung erweiterter HART-Feldgerätefunktionalitäten im Lebenszyklus von PLT-Sicherheitseinrichtungen S. 279-290

„… and optimization of such application examples that use extended HART field device functionalities. An …”

G. Mewes, A. Fay Online-Korrektur eines Roboter-geführten FDM-3D-Druck-Prozesses S. 1023-1038

„… . Literaturangaben [1] Saadlaoui, Y., Milan, J.-L., Rossi, J.-M. u. Chabrand, P.: Topology optimization and …”

J. Pfrommer, C. Frey, L. Wessels, J. Beyerer ML4P: Ein Standard-Vorgehensmodell für die Anwendung Maschinellen Lernens in der industriellen Produktion S. 629-644

„… mining-driven manufacturing process optimization." Proceedings of the world congress on engineering. Vol. 3 …”

doi.org/10.51202/9783181023754

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Method for Non-Invasive Skin Artifact-Free Spatial Bone Motion Tracking Using Pressure Sensor Foils

Nikolas Bufe

Series: Biotechnik/Medizintechnik

Volume 296 2019

Results in this title

3Dpose estimation based on the ellipsoid-approximated bone model S. 23-27

„… , which can be numerically solved by a subsequently introduced optimization cost function. The chapter …” „… : (rti − rpi)T uxi = 0 (3.6) Di,y : (rti − rpi)T uyi = 0 . (3.7) 3.2 Optimization problem 25 Collecting …” „… x-y-z) in the present case. 3.2 Optimization problem As mentioned in Chapter 2, the general system of …”

Validation S. 66-74

„… optimization cost function for flexion/extension motion (ellipsoid-approximated bone model). (Indexing: 1 =̂ …” „… : Minimal distances d 1 d 2 d 3 Figure C.2.2: Residuals of the optimization cost function for …” „… optimization cost function for internal rotation motion (ellipsoid-approximated bone model). (Indexing: 1 =̂ …”

Conclusions and outlook S. 59-60

„… optimization turned out to be feasible and rather insensitive toward small variations in its input parameters …” „… optimization cost function, input errors were much less amplified, thus yielding a better convergence of the …” „… precision and feasibility of the optimization cost function. Finally, tests for application to other bone …”

Introduction S. 1-8

„… O’Connor firstly introduced global optimization techniques, describing the human body as a multi-link …” „… STA errors by up to 60% [58]. However, the reliability of global optimization techniques is …” „… point cloud by optimization. Niu et al. showed that a maximum measured root mean square error of 3.44 …”

Titelei/Inhaltsverzeichnis S. I-X

„… solution approach, an optimization cost function is proposed allowing bone pose tracking that is …” „… constraint equations . . . . . . . . . . . . . . . . . . 23 3.2 Optimization problem …” „… constraint equations for the three dimensional case. As a solution approach, an optimization cost function is …”

Validations S. 32-58

„… q = [ rb Φb u1 v1 u2 v2 u3 v3 λ ] T . (5.3) Optimization was performed using the routine e04unc of …” „… optimization cost function for all three motions. All residuals are separately illustrated in the Appendix in …” „… prevail, which are less visible on the 2D fluoroscopy images. The optimal solutions of the optimization as …”

Bibliography S. 75-84

„… of patient-specific multi-joint kinematic models through two-level optimization. Journal of …”

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Temporally Consistent Superpixels

Matthias Reso

Series: Informatik/ Kommunikation

Volume 861 2018

Results in this title

Superpixels with Temporal Consistency S. 34-45

„… optimization procedure. It follows the scheme described in Section 2.1.3 but adds a temporal energy term that …” „… the feature dimensions. Nevertheless, it enforces the optimization to prefer temporally close voxels …” „… for each frame. This principle is depicted in the third row of Figure 3.3. 3.3 Hybrid Optimization 39 …”

Superpixel Propagation and Handling of Structural Changes S. 46-63

„… optimization, the sliding window is shifted by one frame along the temporal axis of the video volume. Thereby …” „… are reassigned during the optimization. Therefore, it is sufficient in [63] and [46] to only propagate …” „… the spatial centers. As the contour-based optimization procedure introduced in Section 3.3 requires a …”

Conclusions S. 105-108

„… the optimization of the segmentation, a cost function is defined which minimizes the variance of the …” „… differences between the mean and the pixel feature vectors. The optimization is performed by alternatively …” „… simple model and the efficiency of the optimization strategy, the computational burden of these methods …”

Introduction S. 1-9

„… , the optimization procedure of [26] is applied twice on the voxel graph of the video volume. In a first …” „… pixel data. For the optimization, label changes are proposed which are only accepted if they preserve …” „… utilizing a sliding window which is shifted over the video volume. The hybrid optimization scheme jointly …”

Titelei/Inhaltsverzeichnis S. I-XII

„… Optimization . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 3.4 Sliding Window …” „… along the image plane over time. By applying a contour-based optimization the spatial coherency of the …” „… pixels of each superpixel is ensured while obeying the optimization target at all times. A sliding window …”

Experimental Results S. 64-104

„… proposed in [74]. This is because the sliding window only contains a single frame on which the optimization …” „… described in Section 3.4. The hybrid optimization assigns the boundary pixels of the superpixels to the best …” „… . As the contour evolving optimization, utilized in the proposed framework, only allows label flips at …”

Fundamentals S. 10-33

„… optimization scheme of k-means described in Section 2.1.2 can be utilized. This involves again the assignment …” „… superpixels, it does not fully obey the optimization target, as it does not minimize the objective function …” „… assignment-step of the iterative optimization. To ensure the spatial coherence of the superpixels, it has to be …”

Bibliography S. 109-122

„… optimization. In Proceedings of the Asian Conference on Computer Vision, pages 692–707, 2014. [66] M. Reso, J …” „… coherent tracking using multi-label mrf optimization. International Journal of Computer Vision …” „… and supervoxels in an energy optimization framework. Proceedings of the European Conference on …”

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AUTOREG 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2292 2017

Results in this title

C. Winter, R. de Castro Optimal Velocity Profile Generation for Semi-Autonomous Vehicles S. 129-142

„… numerische Simulationen gezeigt. Abstract This work describes the optimization of velocity profiles for …” „… the usage in (semi-) autonomous driving. The focus of the optimization lies on the trade-off between …” „… help of a dynamic programming framework the global optimum of the complex optimization with nonlinear …”

T. Daszenies, T. Könings, S. X. Ding, F. Wobbe, J. Klöck, N. Weinhold Kennfeldbasierte Leerlaufregelung einer Verbrennungskraftmaschine S. 33-44

„… use of an optimization routine to find the locally optimal parameters corresponding to the grid …” „… Nr. 2292, 2017 33 controllers spanning the search area. The optimization is carried out with …” „… Duisburg-Essen Diss., 2014. [2] G. P. Frost, Stochastic optimization of vehicle suspension control systems via …”

J. Li, T. Huber, C. Beidl Multikriterielle Betriebsstrategie für Hybrid Antriebsstränge S. 185-212

„… optimization goal is to minimize CO2 emissions. Considering other important criteria, e.g., low pollutant …” „… emissions or long lifetime of VDI-Berichte Nr. 2292, 2017 185 certain components, the optimization should be …” „… optimization algorithms „Dynamic Programming“ (DP) and „Equivalent Consumption Minimization Strategy“ (ECMS …”

M. Bauer, R. Mannale, M. Kochem, A. Ravi CaliSim – Calibration by Simulation – Virtuelle Applikation elektromechanischer Lenkungen S. 501-514

„… optimization. The method includes an integrated validation of the models, the objective parameters and the …” „… Kriterien. Im Optimierungsschritt (Optimization, siehe Bild 5) wird das Parametersetup gesucht, welches am …”

A. Ebel, M. Orner, T. Riemer, H.-C. Reuss Optimierte Auslegung von Antriebssträngen mittels der FKFS-Triebstrangbibliothek – Vorstellung der FKFS Triebstrangbibliothek und der Kopplung mit dem MO-CMA-ES an der Auslegung eines Elektrofahrze... S. 391-402

„… Roth, S.: „Covariance Matrix Adaption for Multi-objective Optimization,“ Evolutionary Computation, vol …” „… . [9] „Systems Optimization,“ Institut TIK, ETH Zürich, Oktober 2009. [Online]. Available …”

M. Harr, C. Schäfer Robust Odometry Estimation for Automated Driving and Map Data Collection S. 91-102

„… graphs with switchable variables to exclude outliers during optimization. Our approach is superior to the …” „… optimization for simultaneous localization and mapping. 2012. [8] G Carter and C Knapp. Time delay estimation …”

M. Eisenbarth, T. Plum, J. Andert Einfluss von Verkehrsteilnehmern auf die OnlineOptimierung der Fahrtstrategie S. 115-128

„… optimization problem. In this article, a model based prediction algorithm will be introduced for this purpose …” „… .: Vehicle Speed Trajectory Optimization under Limits in Time and Spatial Domains. ATZ Fachtagung (2017) [11 …”

T. Hansen, M. Schulz, M. Knoop, U. Konigorski Kombinierte Längs- und Quertrajektorienplanung für automatisierte Fahrstreifenwechsel S. 235-246

„… differentiable multivariate optimization in Matlab. 2005. URL …”

P. Bolia, S. Müller Numerical Modelling of the Human Driver for lateral closed-loop steering maneuvers S. 551-560

„… (8) Based on matlab code of “fmincon” based optimization method, the TGC2 model parameters are …”

R. Großmann, T. Gothan, B. Bäker Adaption des Fahrerverhaltens in Abhängigkeit der Fahrsituation durch intelligente Fahrstrategien S. 143-156

„… ., Trigui, R., Bideaux, E.: Vehicle trajectory optimization for application in ECO-driving. IEEE Vehicle …”

M. Joševski, D. Abel Potenziale stochastischer modellgestützter prädiktiver Regelungsverfahren für das Energiemanagement von Hybridfahrzeugen auf Realfahrzyklen S. 171-184

„… Control Conference, 2015. [10] S. Boyd and L. Vandenberghe, “Convex Optimization”, Cambridge University …”

I. Gundlach, U. Konigorski, J. Hoedt Zeitoptimale Trajektorienplanung für automatisiertes Fahren im fahrdynamischen Grenzbereich – Eine modellbasierte Rundenzeitoptimierung für seriennahe Fahrzeuge S. 223-234

„… [7] Timings, J. P. u. Cole, D. J.: Minimum Maneuver Time Calculation Using Convex Optimization …”

B. C. Heinrich, D. Fassbender, H.-J. Wuensche Autonomous Cooperative Multi-Convoy Control for Off-Road-Scenarios S. 365-376

„… , T. Luettel, and H.-J. Wuensche, “An Optimization Approach to Trajectory Generation for Autonomous …”

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A Runtime Adaptation Concept to reinforce Versatility in Industrial Automation

Haitham Elfahaam

Series: Mess-, Steuerungs- und Regelungstechnik

Volume 1267 2018

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Runtime Adaptation Concept S. 23-36

„… Engineering systems • Deployer system (Executor) • Redeployment management/optimization system The function …” „… as a tool to perform load balancing on and resource optimization to the computation nodes. In the …” „… Management/Optimization System usesuses Figure 3.1: Proposed System Components In order to explain the system objectives …”

Conclusion and Outlook S. 105-109

„… Currently, the implemented algorithm performs a TSE optimization to choose the load packet to send and also …” „… (continuous load) shown in Chapter 5 can be introduced. This can be done if a beforehand optimization of the …” „… convergence as well as the set optimization criteria simultaneously. However, in order to conduct such an …”

State of the Art S. 6-22

„… optimum distribution according to the defined optimization/constraints criteria is the objective, e.g …” „… a repository (Docker cloud). In the optimization domain, Docker utilizes a consensus algorithm …” „… (field level) or to control software adaptation (control level) or at the optimizations strategies …”

Bibliography S. 110-118

„… , volume 290. Citeseer, 1976. 110 Bibliography [13] Stephen Boyd. Convex optimization of graph laplacian …” „… with symmetries. SIAM Journal on Optimization, 20(2):792–819, 2009. [15] Stephen Boyd, Persi Diaconis …” „… Optimization, 20(2):792–819, 2009. [16] Junwei Cao. Self-organizing agents for grid load balancing. In …”

Methodology Investigation - Analytical Approach - Linear Model S. 40-54

„… throughout time. The Optimization for the load exchange can be performed centrally which results in computing …” „… optimum load transfer parameters. The optimization can be performed with different criteria, e.g …” „… integrator behavior), otherwise a numerical solution using brute force optimization is inevitable. Special …”

Implementation - Reality Approach S. 73-84

„… different optimization and constraints criteria are presented and demonstrated in Fig. 3.6. The presented …” „… , different optimization criteria can be considered. In the decentralized algorithm approach, the following …” „… optimization criteria are possible: 74 8.1 Decentral Algorithm (Resources Perspective) • Balanced utilization …”

Titelei/Inhaltsverzeichnis S. I-XII

„… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.4.1 Optimization Criteria and Constraints . . . . . . . . . . . . . . . . 28 3.4.2 Boundary …” „… functionalities and optimizations) and information (e.g., asset administration shell) are being introduced to the …” „… optimization criteria load balancing model is constructed to investigate the behavior or multidimensional …”

Introduction S. 1-5

„… conditions. The optimization is achieved through the rearrangement of the components in the network ensuring …” „… Perspective: During load balancing, coordinating different optimization objectives (e.g., load distribution …”

Modeling Fundamentals S. 37-39

„… • Load balancing optimization process occurs in a central or a decentral manner 4.1.2 Load Model Only …”

Methodology Investigation - Empirical Approach - Non-Linear Model S. 55-64

„… the load transfer coefficients are time variant. The optimization is performed decentrally since each …” „… considered to be dynamic and can change at any point of time. In a decentral behavior, the optimization is …”

Scenario 2 - Agents System S. 97-104

„… and QIM, the algorithm can anticipate a load optimization that can be executed in upcoming location …”

Scenario 1 - Decentralized Algorithm S. 85-96

„… component. It performs a local optimization to determine the best node candidate and the optimum load packet …”

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Pinch-based Methods for Absorption and Extraction Process and Solvent Screening

Christian Redepenning

Series: Verfahrenstechnik

Volume 955 2018

Results in this title

Bibliography S. 173-198

„… . Düsseldorf: VDI. Kossack, S., Kraemer, K., & Marquardt, W. (2006). Efficient optimization-based design of …” „… Krämer, K. (2012). Optimization-based synthesis of hybrid separation processes. Volume 934 of …” „… ). Efficient optimization-based design of distillation processes for homogeneous azeotropic mixtures …”

Recommendations for further research S. 143-156

„… . Alternatively, the pinch-based shortcut methods suggested in this work can allow for robust optimization-based …” „… three components. Appropriate optimization-based problem formulations for mixtures with more than three …” „… possible. 6.2 Robust optimization-based design of rigorous models Rigorous models for separation columns …”

Pinch-based solvent screening for absorption and extraction processes S. 90-136

„… . Optimization techniques need to be employed, not only to determine the optimal operating point, but also to …” „… ) problems. MINLP optimization problems are already difficult to solve for a single solvent and therefore a …” „… superstructure optimization with rigorous models (Douglas, 1988; Kossack et al., 2008; Marquardt et al., 2008 …”

Introduction S. 1-20

„… heuristic rules for the identification of preliminary ideas up to complex optimization-based calculations …” „… . Examples are the simultaneous optimization-based design of reaction and separation processes (Recker …” „… . Optimization-based approaches are applied to solve these problems, which draws the attention to problem formulation …”

Titelei/Inhaltsverzeichnis S. I-XII

„… techniques . . . . . . . . 144 6.2. Robust optimization-based design of rigorous models …” „… of multiple separation units, heat-integration as well as optimization of the operating point …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.1.3. Optimization techniques . . . . . . . . . . . . . . . . . . . . . . 10 1.2. The pinch-based …”

Software S. 137-142

„… , which is perfectly suited to parallellize the screening of process alternatives, or the optimization …” „… toolbox TOMLAB1, which provides several state-of-the art optimization algorithms, e.g., SNOPT, for …” „… largescale flowsheet optimization. Originally, the software interface toolbox.c, which provides access to all …”

Appendix S. 158-172

„… hybrid absorption-rectification and extraction-rectification processes including optimization of the …”

Pinch-based shortcut method for the design of adiabatic absorption columns S. 21-58

„… absorption process. Superstructure optimization, where a mixed-integer non-linear programming (MINLP) problem …” „… challenging to solve efficiently and reliably with today’s optimization algorithms (Amaran et al., 2014 …” „… design between first ideas and detailed optimization. Initialization of rigorous models, pre-selection of …”

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SWARM: A Novel Methodology for Integrated Circuit Layout Automation Based on Principles of Self-organization

Daniel Marolt

Series: Rechnerunterstützte Verfahren

Volume 475 2020

Results in this title

Clarification of the Task S. 1-3

„… them formally. Existing automation approaches can be basically divided into optimization-based …” „… Scientific Challenge In Chapter 3 of [1], the working principles of optimization algorithms and procedural …” „… generators have been illustrated. An optimization algorithm works by iterating through a repetitive loop of …”

Summary and Outlook S. 220-224

„… coalescence of bottom-up meets topdown has much more potential than optimization-based or generator-based …” „… layout quality but also surpasses generator-based and optimization-based automation in terms of design …” „… involves many diverse and concurrent functional constraints (design restrictions and optimization goals …”

Towards a Holistic Design Flow on Module Level S. 214-219

„… joining the cardinal strengths of optimization-based automation and generator-based automation: the …” „… optimization algorithms and procedural generators. From today’s perspective, SWARM pioneers an entirely new …” „… Bottom-up With Top-down Table 5.1: Major characteristics of optimization algorithms, procedural generators …”

An Interdisciplinary Approach – Preliminary Considerations S. 4-28

„… discussed in Section 3.2 of [1], optimization algorithms and procedural generators follow two fundamentally …” „… case of an optimization algorithm, one central optimization engine takes care of every design decision …” „… Optimization technique discussed in Section 3.1.3 of [1]. Figure 2.3: Emergent cohesive motions of animate …”

Implementation and Results S. 166-213

„… optimization-based or purely generator-based automation approaches. Living up to the technical aim of the thesis (as …” „… ), generator-based automation, optimization-based automation, and SWARM. The intention of this comparison is to gauge …” „… ’ Effort with Optimization-based Automation Preliminary Effort n/a n/a 1h 1D 1h 1D 1h 1D Effort per …”

Titelei/Inhaltsverzeichnis S. I-VIII

„… Automation – Optimization Algorithms – Procedural Generators – Multi-Agent Systems After more than three …” „… assets of optimization algorithms, thus paving the way for a new automation paradigm called bottom-up …” „… . . . . . . . . . . . . . . . . 152 3.5.1 Comparison with Optimization Algorithms . . . . . . . . . . . . . . . 152 3.5.2 Comparison …”

The Methodology: Self-organized Wiring and Arrangement of Responsive Modules S. 29-165

„… presented methodology neither implements a purely optimization-based top-down approach nor a purely …” „… understood as optimization-based automation techniques. 29 3. The Methodology: Self-organized Wiring and …” „… this chapter with some final remarks about the conception of SWARM, discerning it from optimization …”

References S. 231-250

„… Stützle, “Ant Colony Optimization: Artificial Ants as a Computational Intelligence Technique”, IEEE …” „… / Ronald Boellaard / Marc A. Kropholler / Adriaan A. Lammertsma, “Optimization Algorithms and Weighting …” „… Fails”, Discrete Optimization, vol. 1, no. 2, pp. 121–127, Nov. 2004, DOI: 10.1016/j.disopt.2004.03.007 …”

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Regelung elastisch gekoppelter Mehrmassensysteme

Matthias Joost

Series: Mess-, Steuerungs- und Regelungstechnik

Volume 1263 2018

Results in this title

Literaturverzeichnis S. 170-177

„… ] GOLDBERG, DAVID E.: Genetic Algorithms in Search, Optimization and Machine Learning. 1st. Aufl. Boston, MA …” „… Simple and Effective Scheme for Global Optimization over Continuous Spaces ( Nr. TR-95-012). Berkeley …” „… Problems with Differential Evolution and Particle Swarm Optimization. Bremen, Universität Bremen …”

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Learning-Based Inverse Dynamics for Human Motion Analysis

Petrissa Zell

Series: Informatik/ Kommunikation

Volume 877 2022

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Introduction S. 1-14

„… inverse dynamics optimization. Alternative optimizationapproaches used to determine net joint moments are …” „… recording of contact forces or tedious optimization.A computationally efficient and robust analysis of the …” „… comparing with an iterative optimization-basedmethod and demonstrate the robustness of our algorithm by …”

Related work S. 15-22

„… indirectly as constraints of an optimization problem. The predictivedynamics approach used in Chapter 4 falls …” „… . Here one distinguishes betweennon-optimization and optimization approaches. In the following the …” „… ApproachesThe traditional inverse approach is a non-optimization approach that directly solves theequations of …”

Human motion dataset S. 62-75

„… motion capture and kinematic optimizationIn marker-based motion capture, retro-reflective markers are …” „… Figure 16 on the right624.1 motion capture and kinematic optimizationFigure 16: Left: Capture setup - the …” „… realized by means of optimization. The optimizationprocedure is performed using a sliding window across …”

a Appendix S. 127-129

„… optimizationIn Chapter 5, the performance of the learning-based inverse dynamics methods is comparedto a …” „… 0.599(0.219)0.096(0.042)0.125(0.033)0.91(0.08)0.77(0.13)0.82(0.08)128A.2 data-driven inverse dynamics optimizationthe number of optimization variables is drastically …” „… reduced. The optimization problembecomesmins{E(µ+Ks))} , (178)with the mean µ of the neighbouring …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… traditional optimization.Bibliographische Information der Deutschen BibliothekDie Deutsche Bibliothek …” „… OptimizationPD-set Predictive Dynamics SetF-net neural network trained with forward losscFI-net neural network …” „… dataset 624.1 Motion Capture and Kinematic Optimization . . . . . . . . . . . . . . . . 624.2 Force Plate …”

Bibliography S. 130-152

„… Jimmy Ba. “Adam: A Method for Stochastic Optimization.”In: 3rd International Conference on Learning …” „… optimization-based and other approaches.” In: Structural and Multidisciplinary Optimization42.1 (2010), pp. 1–23.[161 …” „… Marler, Jasbir S. Arora, and Karim Abdel-Malek.“Predictive dynamics: an optimization-based novel approach …”

Fundamentals S. 23-61

„… has a similar purpose as the objective function in optimization.It measures the error of the network …” „… optimization of kinematics and dynamics in this work.3.3 dynamics of a rigid body systemA dynamical …” „… imple-mented as the equivalent quadratic optimization taskminw,w0{12‖w‖2}s.t. yi(wTxi + w0) ≥ 1 , i = 1 …”

Supervised learning of inverse dynamics S. 76-94

„… , e. g. using inverse or forwarddynamics formulations and solving by optimization, machine learning …” „… training of the NN is done using the Adam optimization algorithm [62]. The threeapproaches are termed as …” „… optimization results) is quantified using the rRMSE presented in Eq (154).Table 4 lists rRMSEs εfr , εmr , ετ …”

Self-supervision by dynamics-based layers S. 95-122

„… convergence of the optimization algorithm, can now be included. Themotion states off all sequences and time …” „… dynamics optimization is referred to as the force set which,additionally to the kinematic information …” „… physics-basedlayers are included. It is reduced by 0.1 every 4th epoch. Moreover, during optimization ofthe forward …”

Conclusions S. 123-126

„… ofnumerical integration. For isolating the optimization of the ground reaction predictionsfrom the estimations …” „… considered task is investigated with respect to predictive dynamics optimizationresults as a gold standard …”

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