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Xiao Zhao - Reactor network synthesis with guaranteed robust performance

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Xiao Zhao

Reactor network synthesis with guaranteed robust performance

Reihe: Verfahrenstechnik

Band 952 2017

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Bibliography S. 158-176

„… . State-of-the art and progress in the optimization-based simultaneous design and control for chemical processes …” „… , J. Schlöder, and O. von Stryk. Introduction to model based optimization of chemical processes on …” „… , 12(2):85–112, 2002. [120] M. Mönnigmann and W. Marquardt. Steady state process optimization with guaranteed …”

Introduction S. 1-16

„… methods, and approaches which perform process and control design at once by solving an optimization …” „… properties of the chemical process or specifically passivity theory [179]. The integrated optimization …” „… classical design problem in process systems engineering, which is defined as follows [19]: “For given …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… , Integration of process and control system design, Superstructure approach, Eigenvalue constraints …” „… , Mixed-integer nonlinear programming, Normal vector approach, Robust optimization In this work a systematic …” „… presented. The work is based on the superstructure approach and aims to find an optimal process flowsheet …”

Summary and outlook S. 133-140

„… design degrees of freedom, which are determined by solving a single optimization problem. The method has …” „… information of the open-loop reactor network. In formulating the closed-loop model for simultaneous process …” „… also subject to optimization. The obtained dynamic model for closed-loop design can therefore determine …”

Simultaneous design of reactor network and its decentralized control system S. 47-59

„… simultaneous process and control design of reactor networks is to find the optimal flowsheet structure …” „… , operating conditions, process design parameters, as well as the control structure and control design …” „… the optimal network design. This MINLP addresses the problem of simultaneous process and control …”

Case study of allyl chloride production S. 107-132

„… cost to cover the contribution of the separation part of the process, which is not included in the …” „… . optimization ± 0.2 mol/s fCsys mol/s s.t. optimization ± 0.2 mol/s a1 1/s 1.5× 106 ± 5% a2 1/s 4.4× 108 ± 5% a3 …” „… l/mol/s 1.0× 102 ± 5% Table 6.3: Open-loop process design parameters for the allyl chloride case study …”

doi.org/10.51202/9783186952035

VDI Wissensforum GmbH - PIAE Europe 2023

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VDI Wissensforum GmbH (Hrsg.)

PIAE Europe 2023

Reihe: VDI-Berichte

Band 2418 2023

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S. Sampson, L. Fredriksson, M. Bromberger Design for Sustainability Targeting the Strategic Application of Topology Optimization – Lightweighting of structural parts and subsystems S. 437-450

„… . Based on project findings that streamlined the processes around topology optimization, Altair introduced …” „… developed a unique three stage concept development process, C123. Every stage deploys optimization …” „… is targeted at streamlining the model build process for topology optimization. Several tools are …”

C. Bouvatier, S. Oener Lower stiffener of the Porsche 992 GT3 in PAIM technology S. 1-16

„…  Optimization of the production cycle Waste reduction and process optimization As soon as the projectile …” „… Lower stiffener of the Porsche 992 GT3 in PAIM technology Optimization of the weight, cost and …” „… looking for new and innovative, weight-reducing measures that can be implemented using new processes …”

S. Weidmann, T. Hoffmann, M. Duhovic, J. Weber, P. Mitschang Cutting-edge joining processes for TP-FRPC and multi-material structures made of TP-FRPC and metals S. 673-688

„… comprehensive process simulations, avoiding the need for multiple optimization iteration loops on lab-scale …” „… optimization for component manufacture and to generate a comprehensive understanding of the process, the IVW …” „… optimization of the induction welding process involves a great deal of effort. Using process models of …”

M. Doedt Qualification of recyclates – News from standardization and testing S. 457-466

„… established. This then enables a very specific optimization of the production process in order to reduce …” „… emission-optimized production process are very important, especially for these materials. Such an optimization offers …” „… this case, the emissions are so high that a mere optimization of the injection-molding process will …”

F. Meißen, H. Gleich The next level of polymer parts in CAE – From the process to the process chain, from the individual part to the assembly S. 355-362

„… process optimization, but also the implementation of robustness analyses as well as the determination of …” „… process-appropriate and efficient manner, including a virtual optimization of the real process (Fig. 7). The …” „… The next level of polymer parts in CAE From the process to the process chain, from the individual …”

F. Groh, R. Apfelbeck, W. v. Gilst, A. Karl Innovative shear panel in plastic for vehicles with shortened battery modules S. 519-532

„… lightweighting quality possible [3]. In the following sections, the development process for the shear panel in …” „… are the result of a topology optimization (see Fig. 4). With the rib design implemented, it was …” „… the results from the optimization, the wall thicknesses in the component lie between 3 and 11 mm. In …”

F. Wazula, H. Tattko, A. Sumfleth Star panel of the Mercedes Benz EQS – New design meets new challenges S. 33-46

„… process have been developed and validated up to readiness for large-scale production. With the combination …” „… time, their producability by VDI-Berichte Nr. 2418, 202334the injection-molding process was also …” „… reduction in wall thickness for the transparent PC and thus local thinning ‐ the coating processes – front …”

J. Haspel, C. Höfs Engineering plastics as enablers for HV battery systems of the next generation S. 103-112

„… cost-efficient manufacturing processes, functionally integrative lightweight design and resource efficiency. This …” „… optimization is to reduce the cost of the HV batterysystem. In addition to the battery cells used, the main …” „… alternatives – on the design, process and material levels. This is where engineering plastics and composites …”

Titelei/Inhaltsverzeichnis S. I-XII

„… as enablers for mobility concepts l Production processes and quality assurance l Simulation and proc …” „… Sustainability/NachhaltigkeitReducing the carbon footprint of materials and processes for soft-touch applications 149T. Köppl, Florian …” „… mmHalving the CO2 footprint through process integration in the production of coated plastic parts 239 …”

M. Barbolini, F. Naudin Cooling pipes for high performance application based on PPS S. 123-128

„… a high optimization of packaging. Nevertheless, pipe geometry is rarely the optimal situation for …” „… water-assisted processes. Raw materials optimized for GIT or WIT may yield even higher quality results in PIT …” „… potentially applicable to all plastic materials, but the process needs to be optimized to the different …”

B. Pesche, R. Vollet-Binet Renault MEGANE e-Tech plastic tailgate – Lightweight and sustainability as DNA S. 73-82

„… into the material in a single process step without fiber damage. With this newly developed material …” „… inserts are assembled on the main structural part to get stiffness. The basics of this process are also …” „… continued to innovate and optimize the concept in terms of quality, weight and cost. Optimizations developed …”

R. Hofer, M. Jacobi 26% weight savings in an automotive headlight housing due t o MuCell® foaming technology S. 383-388

„… % weight. 1. Component design The optimization of the component design with regard to the technology …” „… , Tier1, technology providers and technology specialists for the foaming process, it has been possible to …”

doi.org/10.51202/9783181024188

VDI Wissensforum GmbH - SIMVEC – Simulation und Erprobung in der Fahrzeugentwicklung

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VDI Wissensforum GmbH (Hrsg.)

SIMVEC – Simulation und Erprobung in der Fahrzeugentwicklung

Reihe: VDI-Berichte

Band 2333 2018

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S. Luthardt, L. Fredriksson, V. Leconte, Patrick Lombard, A. Dyer E-Motor Design using Multi-Physics Optimization S. 359-380

„… sacrifices on target fulfillment. Optimization methodologies and processes offer opportunities to support …” „… simulation and optimization tools are combined and integrated to create a process for multi-physics E-motor …” „… optimization. Some details on coupling strategies will be discussed and It will be shown that such process has …”

R. Fuger, M. Hanke An integrated Workflow for the Simulation-Driven Development of Electric Motors and Generators – Design and Optimisation of Electric Drives S. 381-388

„… optimization tool a consistent development process is generated. Fig. 5: CADFEM extension for efficient …” „… consideration of different physical phenomena as well as other requirements, e.g. manufacturing process …” „… , operation conditions and costs. Simulation allows to identify machine, process and cost parameters at an …”

E. Papoutsis, M. Hojjat, K.-U. Bletzinger Geometric constraints for node-based shape optimization of car body parts S. 75-92

„… utmost importance for the design process. VDI-Berichte Nr. 2333, 2018 77 2.2 Structural Optimization In …” „… applied to the body. This is an iterative process. Optimization with Vertex Morphing Since Vertex …” „… Geometric constraints for node-based shape optimization of car body parts Dipl.-Ing. Efthymios …”

M. Peperhowe, S. Bannenberg, R. Rasche Smart Testing of Intelligent Systems S. 731-748

„… test cases as part of the validation process in the area of highly automated driving. The number of …” „… process by the means of simulation. However, the well-known and established method of requirements-based …” „… scenarios into the validation process. VDI-Berichte Nr. 2333, 2018732 1. Scenario-based and closed-loop …”

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

„… processes of the lithium-ion battery, which occur for example after an electric load was connected …” „… literature these models are distinguished by order and represented chemical processes. In Fig. 2 a Thévenin …” „… is shown, the process is transferable to any higher order models and results in slightly more …”

I. Sokrut, M. Müller Automatisierte Auslegung lokal versteifter Karosserieausenflachen durch parametrischassoziative CAD-CAECAO Prozessketten – Optimierung auf Basis serientauglicher Konstruktionsvarianten S. 717-730

„… tables and their sensible integration in an automated multistage optimization process chain. By using …” „… concentrates on an automated CAx-process-chain, which is based on the parametric-associative combination of …” „… the disciplines CAD, CAE, DOE and CAO. This process chain gives a new opportunity to automate the …”

A. F. Walser, A. Schumacher, H. Singh, C. Schöne, L. B. Cia Verschachtelte Optimierung des Crashverhaltens von Fahrzeugen mit automatisch erzeugten und bewerteten Submodellen – Submodel based multi-level optimization S. 47-58

„… bewerteten Submodellen Submodel based multi-level optimization Alexander F. Walser, Automotive …” „… optimization). Ebene 1 ist die Optimierungsschleife des Gesamtsystems mit allen Definitionen zu den …” „… use of finite element submodels to significantly reduce response times in structure optimization …”

Johann Heinrich Knowledge Discovery in Databases (KDD) in der virtuellen Produktentwicklung – Entscheidungsfindungsprozess auf Grundlage von Erkenntnissen aus grosen Datensatzen S. 39-46

„… the key factors of product optimization and gaining insights of your system behaviour. The …” „… cases there are no really established Data Analytic Processes to gain knowledge from these „Data Lakes …” „… . VDI-Berichte Nr. 2333, 2018 39 This presentation will show a general way for a KDD process along an …”

M. Conic Multi Disziplinare Topologie Optimierung (MDTO) am Beispiel von Cockpit: Modultrager und Luftfuhrung – Gekoppelte Topologieoptimierung fur Struktur und gefuhrte Stromung am gemeinsamen Bauraum S. 93-98

„… the coupled topology optimization for structural and components of a ducted flow at once changes the …” „… method of multidisciplinary topology optimization (MDTO) has been developed and implemented into a …” „… concept, so the number of further development loops, and therefore the whole development process get´s …”

J. Wimmer, P. Stopp Einbindung eines pradiktiven Elektro-Chemischen Batteriemodells in ein virtuelles E-Fahrzeug S. 399-414

„… electrochemical processes taking place in their Lithium-ion cells, necessary to optimize control algorithms and …” „… electrochemical processes taking place inside a Lithium-ion battery. Additionally, if a model for battery aging …” „… ( , , , , , and from Fig. 3) are used as factors in a direct optimization to tune the voltage response of the …”

S. Jones, H. Böhm, E. Bogner Driveability lead Model Based Development of HW & SW for P2 Hybrid Impulse Start – A novel methodology supporting virtual development of hybrid powertrains including monitoring of driveability from co... S. 229-240

„… Abstract Impulse start (or bump start) in HEV and PHEV is a process of finely controlled actions for the …” „… processes such as impulse start at a much improved precision. Importantly this enhanced cosimulation model …” „… . For better understanding the impulse start process is sub-divided into the following phases: (1) TM …”

J. Tüchsen, M. Koch, B. Schleich, S. Wartzack Konzeption eines Assistenzsystems fur die modulare und datengetriebene Entwicklung elektrischer Antriebe S. 801-812

„… target development process. They can be performed parallel and with strictly defined interfaces. This …” „… , Reiser M, Franke J (2017) Concept for an Integrated Product and Process Development of Electric Drives …” „… Electrical Machine Design Process. In: IEEE Int. Workshop of Electronics, Control, Measurement, Signals and …”

P. Seiwald Hybrider Leichtbau am Beispiel einer dynamisch belasteten Bauteilkomponente S. 561-570

„… be variably introduced. In the first project step, the focus was on the process-reliable conception …” „… and design of the structural components, the optimization of the first concepts and the consideration …”

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

„… plasticity model parameters of the fusion zone are obtained from an inverse FEM optimization procedure …” „… of both melted material during the welding process. It was observed that the hardness of this fusion …” „… austenization and rapid cooling rates during the welding process. In between the HHAZ and the BM, the hardness …”

C. Diez Analyse von Crash Simulationen mit Hilfsmitteln der kunstlichen Intelligenz S. 1-16

„… opportunities regarding Simulation Data Management (SDM), as well as CAE processes will be addressed …” „… By Type (FEA, CFD, Multibody Dynamics, Optimization & Simulation), By Deployment Model (On-Premise …” „… Thole C.-A.: Data analysis for parallel car-crash simulation results and model optimization, Simulation …”

M. Perterer Innovative modulare Simulationsmethoden fur die Entwicklung von leichten, urbanen E-Fahrzeugkonzepten am Beispiel RESOLVE S. 415-426

„… cars and motorcycles. Therefore, most of the established processes developed and already available in …” „… M., Wartzack S.: Robust optimization of continuously reinforced composites in the motorcycle …”

C. Franke, L. Wagner EAM for CAE – Enabler fur die Digitalisierung . S. 813-834

„… , production- and operation data across process and tool boundaries. The high number of physical effects and …” „… control circuits requires a big variety of CAE tools, formats and process steps. EAM keeps this …” „… evaluable optimization potentials. 1. Digitalisierung verlangt Enterprise Architecture Management (EAM …”

D. Scheffold, N. Himmelsbach, P. Sabyasachi, G. Müller Efficient dynamic simulation of jointed structures with local contact nonlinearities using model order reduction S. 59-74

„… application of the method efficiently in a product development process, the simulation time of the costly …” „… in the finite difference scheme. Therefore, an optimization is performed in order to find an …”

doi.org/10.51202/9783181023334

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

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Christian Redepenning

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

Reihe: Verfahrenstechnik

Band 955 2018

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Bibliography S. 173-198

„… Krämer, K. (2012). Optimization-based synthesis of hybrid separation processes. Volume 934 of …” „… ). Efficient optimization-based design of distillation processes for homogeneous azeotropic mixtures …” „… unifying framework for optimization-based design of integrated reaction–separation processes. Computers …”

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

„… absorption-rectification process. Several thousands of solvents are screened and heat integration as well as optimization …” „… evaluation Flowsheet evaluation by pinch-based methods Process optimization Cost-optimal process …” „… , compared to a sequential screening, simpler process models or tighter bounds for the optimization. Thus …”

Introduction S. 1-20

„… . Examples are the simultaneous optimization-based design of reaction and separation processes (Recker …” „… operating conditions or different process structures, need to be compared by modern optimization techniques …” „… superstructure optimization of alternative process intensification techniques of a hybrid absorptionrectification …”

Titelei/Inhaltsverzeichnis S. I-XII

„… . . . . . . . . . . . . . . . . . . . . 97 4.1.5. Optimization of pinch-based processes . . . . . . . . . . . . . . 97 4.1.6. Flowsheet …” „… techniques . . . . . . . . 144 6.2. Robust optimization-based design of rigorous models …” „… 3 Pinch-based Methods for Absorption and Extraction Process and Solvent Screening Pinch-basierte …”

Recommendations for further research S. 143-156

„… concept for the robust process optimization using rigorous models; (a) Operation at minimum solvent demand …” „… . 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 …”

Software S. 137-142

„… , which is perfectly suited to parallellize the screening of process alternatives, or the optimization …” „… of solvents for absorption or extraction processes. The implementations, which are described in this …” „… general, software development always played an important role in the research group at AVT– Process …”

Appendix S. 158-172

„… hybrid absorption-rectification and extraction-rectification processes including optimization of the …” „… operating point. Altogether, screening of solvents based on optimized process performance is accomplished …” „… arbitrary solvents and processes. The general model carries over to rectification columns which could allow …”

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 …” „… processes are a mature technology routinely employed in the chemical industries for the separation of …” „… gaseous mixtures. Usually, absorption processes combine two separation columns. In the first column, a …”

doi.org/10.51202/9783186955036

VDI Wissensforum GmbH - LAND.TECHNIK 2020

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VDI Wissensforum GmbH (Hrsg.)

LAND.TECHNIK 2020

Reihe: VDI-Berichte

Band 2374 2020

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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

„… combine feeder house The basic process of developing structures based on topology optimization is shown …” „… 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 …”

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 …” „… legal purposes. Data loggers or smart devices are used to record the work process of a farm machine …” „… belonging machine data. Discovering optimization opportunities and supporting the user in decision making …”

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

„… will be made in the optimization of production processes and system efficiencies. It is expected, that …” „… . 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 …”

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 …” „… Crop-flow processes in forage harvesters are influenced by a variety of parameters where machine settings …” „… are actively used to control process results and compensate disturbances. Thus, there is potential …”

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 …” „… practices together with lightweight cyber management processes could be useful for product development in …” „… gap analysis. This definition primarily covers the following processes: ● Cyber Security Governance …”

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 …” „… threshing process. Therefore, only inflorescences were led through the combine which reduces the workload of …” „… Stripper (see [2]) the new solution separates the ear from the straw before the actual threshing process …”

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

„… process during acceleration. With conventional gear mechanisms, kinetic energy can be stored in the …” „… development process. The situation is different for the stroke of the mower. The stroke is necessarily …” „… process. In order to be able to implement this under field conditions with changing friction and cutting …”

doi.org/10.51202/9783181023747

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