TY  - CHAP
A1  - Ketelhut, Maike
A1  - Göll, Fabian
A1  - Braunstein, Bjoern
A1  - Albracht, Kirsten
A1  - Abel, Dirk
T1  - Iterative learning control of an industrial robot for neuromuscular training
T2  - 2019 IEEE Conference on Control Technology and Applications
N2  - Effective training requires high muscle forces potentially leading to training-induced injuries. Thus, continuous monitoring and controlling of the loadings applied to the musculoskeletal system along the motion trajectory is required. In this paper, a norm-optimal iterative learning control algorithm for the robot-assisted training is developed. The algorithm aims at minimizing the external knee joint moment, which is commonly used to quantify the loading of the medial compartment. To estimate the external knee joint moment, a musculoskeletal lower extremity model is implemented in OpenSim and coupled with a model of an industrial robot and a force plate mounted at its end-effector. The algorithm is tested in simulation for patients with varus, normal and valgus alignment of the knee. The results show that the algorithm is able to minimize the external knee joint moment in all three cases and converges after less than seven iterations.
KW  - Knee
KW  - Training
KW  - Load modeling
KW  - Force
KW  - Iterative learning control
Y1  - 2019
SN  - 978-1-7281-2767-5 (ePub)
SN  - 978-1-7281-2766-8 (USB)
SN  - 978-1-7281-2768-2 (PoD)
U6  - http://dx.doi.org/10.1109/CCTA.2019.8920659
N1  - 2019 IEEE Conference on Control Technology and Applications (CCTA) Hong Kong, China, August 19-21, 2019
PB  - IEEE
CY  - New York
ER  - 
TY  - CHAP
A1  - Michel, Philipp
A1  - Alder, Philipp
A1  - Butenweg, Christoph
A1  - Klinkel, Sven
T1  - Berechnung der Fluid-Struktur-Interaktion für flexibel gelagerte Flüssigkeitstanks
T2  - 16. D-A-CH Tagung Erdbebeningenieurwesen & Baudynamik: 26. und 27. September 2019, Universität Innsbruck
Y1  - 2019
SN  - 978-3-200-06454-6
ER  - 
TY  - CHAP
A1  - Marinković, Marko
A1  - Butenweg, Christoph
ED  - Papadrakakis, Manolis
ED  - Fragiadakis, Michalis
T1  - Experimental and numerical analysis of RC frames with decoupled masonry infills
T2  - 7th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering
N2  - Masonry infill walls are commonly used in reinforced concrete (RC) frame structures, also in seismically active areas, although they often experience serious damage during earthquakes. One of the main reasons for their poor behaviour is the connection to the frame, which is usually constructed using mortar. This paper describes the novel solution for infill/frame connection based on application of elastomeric material between them. The system called INODIS (Innovative Decoupled Infill System) has the aim to postpone the activation of infill in in-plane direction and at the same time to provide sufficient out-of-plane support. First, experimental tests on infilled frame specimens are presented and the comparison of the results between traditionally infilled frames and infilled frames with the INODIS system are given. The results are then used for calibration and validation of numerical model, which can be further employed for investigating the influence of some material parameters on the behaviour of infilled frames with the INODIS system.
KW  - Earthquake
KW  - In-plane
KW  - Out-of-plane
KW  - Isolation
KW  - Seismic
Y1  - 2019
SN  - 978-618-82844-5-6
U6  - http://dx.doi.org/10.7712/120119.7088.18845
SN  - 2623-3347
N1  - COMPDYN 2019, 24-26 June 2019, Crete, Greece.
SP  - 2464
EP  - 2479
PB  - National Technical University of Athens
CY  - Athen
ER  - 
TY  - CHAP
A1  - Brockmann, Carsten
A1  - Sultanow, Eldar
A1  - Czarnecki, Christian
ED  - Draude, Claude
ED  - Lange, Martin
ED  - Sick, Bernhard
T1  - Is enterprise architecture still relevant in the digital age?
T2  - GI Edition Proceedings Band 295 INFORMATIK 2019, Workshop-Beiträge
KW  - Preface
KW  - Enterprise Architecture
KW  - Digital Age
Y1  - 2019
SN  - 9783885796893
U6  - http://dx.doi.org/10.18420/inf2019_ws01
SN  - 1617-5468
N1  - 50 Jahre Gesellschaft für Informatik – Informatik für Gesellschaft. 16. September, Kassel
SP  - 21
EP  - 21
PB  - Köllen
CY  - Bonn
ER  - 
TY  - CHAP
A1  - Auth, Gunnar
A1  - Czarnecki, Christian
A1  - Bensberg, Frank
ED  - Draude, Claude
ED  - Lange, Martin
ED  - Sick, Bernhard
ED  - Gesellschaft für Informatik e.V. (GI), 
T1  - Impact of robotic process automation on enterprise architectures
T2  - GI Edition Proceedings Band 295 INFORMATIK 2019, Workshop-Beiträge
N2  - The initial idea of Robotic Process Automation (RPA) is the automation of business processes through the presentation layer of existing application systems. For this simple emulation of user input and output by software robots, no changes of the systems and architecture is required. However, considering strategic aspects of aligning business and technology on an enterprise level as well as the growing capabilities of RPA driven by artificial intelligence, interrelations between RPA and Enterprise Architecture (EA) become visible and pose new questions. In this paper we discuss the relationship between RPA and EA in terms of perspectives and implications. As workin- progress we focus on identifying new questions and research opportunities related to RPA and EA.
KW  - Robotic Process Automation
KW  - Enterprise Architecture
KW  - Software Robots
Y1  - 2019
SN  - 9783885796893
U6  - http://dx.doi.org/10.18420/inf2019_ws05
SN  - 1617-5468
N1  - 50 Jahre Gesellschaft für Informatik – Informatik für Gesellschaft. 16. September, Kassel
SP  - 59
EP  - 65
PB  - Köllen
CY  - Bonn
ER  - 
TY  - CHAP
A1  - Steuer-Dankert, Linda
A1  - Leicht-Scholten, Carmen
ED  - Tipurić, Darko
ED  - Hruška, Domagoj
T1  - Diversity- and innovation management in complex engineering organizations
T2  - 7th International OFEL Conference on Governance, Management and Entrepreneurship: Embracing Diversity in Organisations. April 5th - 6th, 2019, Dubrovnik, Croatia
N2  - Diversity is increasingly being addressed as an innovation-promoting factor. For this reason, companies and institutions tackle the integration of a diversity management approach that enables a heterogenic perspective on innovation development. However, system-theoretical frameworks state that the implementation of diversity measures that are not tailored to the needs of the organization often leads to a rejection or reactivity with regard to the management approach. In this context, especially organizations, which are characterized by a specific hierarchical structure, a dominant habitus or specialist culture, must face the challenge of realizing a sustainable change of the corporate culture that sets the basis for implementing diversity management approaches. The presented research project focuses on analyzing the situation in a huge scientific collaborative project - so called Cluster of Excellence (CoE) - with the aim to implement a diversity - and innovation management strategy. Considering the influencing determinants, the CoE is characterized by its embeddedness in the scientific system, a complex organizational structure, and a high fluctuation rate. The paper presents a systemic approach of reflecting these factors in order to develop a diversity- and innovation management strategy. In this frame, the results of a quantitative survey of CoE employees and derived mindset-types are presented. The results show a need for taking different mindset-types into account, to be able to develop a tailored management strategy. The aim of the project is to give recommendations for developing a sustainable management concept that promotes both diversity and innovation by drawing on the persisting mindsets of organization members while reflecting top down as well as bottom up factors of implementation processes as well as the psychology of change. This paper addresses all who are concerned with the management of human resources in innovation processes and are striving for a cultural change within the framework of complex organizations.
KW  - Change Management
KW  - Corporate Culture
KW  - Diversity Management
KW  - Engineering
KW  - Innovation Management
Y1  - 2019
SP  - 136
EP  - 157
PB  - Governance Research and Development Centre (CIRU)
CY  - Zagreb
ER  - 
TY  - CHAP
A1  - Grundmann, Jan Thimo
A1  - Bauer, Waldemar
A1  - Boden, Ralf Christian
A1  - Ceriotti, Matteo
A1  - Cordero, Federico
A1  - Dachwald, Bernd
A1  - Dumont, Etienne
A1  - Grimm, Christian D.
A1  - Hercik, D.
A1  - Herique, A.
A1  - Ho, Tra-Mi
A1  - Jahnke, Rico
A1  - Kofman, Wlodek
A1  - Lange, Caroline
A1  - Lichtenheldt, Roy
A1  - McInnes, Colin R.
A1  - Mikschl, Tobias
A1  - Mikulz, Eugen
A1  - Montenegro, Sergio
A1  - Moore, Iain
A1  - Pelivan, Ivanka
A1  - Peloni, Alessandro
A1  - Plettemeier, Dirk
A1  - Quantius, Dominik
A1  - Reershemius, Siebo
A1  - Renger, Thomas
A1  - Riemann, Johannes
A1  - Rogez, Yves
A1  - Ruffer, Michael
A1  - Sasaki, Kaname
A1  - Schmitz, Nicole
A1  - Seboldt, Wolfgang
A1  - Seefeldt, Patric
A1  - Spietz, Peter
A1  - Spröwitz, Tom
A1  - Sznajder, Maciej
A1  - Toth, Norbert
A1  - Viavattene, Giulia
A1  - Wejmo, Elisabet
A1  - Wolff, Friederike
A1  - Ziach, Christian
T1  - Responsive integrated small spacecraft solar sail and payload design concepts and missions
T2  - Conference: 5th International Symposium on Solar Sailing (ISSS 2019)
N2  - Asteroid mining has the potential to greatly reduce the cost of in-space manufacturing, production of propellant for space transportation and consumables for crewed spacecraft, compared to launching the required resources from Earth’s deep gravity well. This paper discusses the top-level mission architecture and trajectory design for these resource-return missions, comparing high-thrust trajectories with continuous low-thrust solar-sail trajectories. This work focuses on maximizing the economic Net Present Value, which takes the time-cost of finance into account and therefore balances the returned resource mass and mission duration. The different propulsion methods will then be compared in terms of maximum economic return, sets of attainable target asteroids, and mission flexibility. This paper provides one more step towards making commercial asteroid mining an economically viable reality by integrating trajectory design, propulsion technology and economic modelling.
Y1  - 2019
N1  - Conference: 5th International Symposium on Solar Sailing (ISSS 2019)At: Aachen, Germany
ER  - 
TY  - CHAP
A1  - König, Johannes Alexander
A1  - Kaiser, Steffen
A1  - Wolf, Martin
T1  - Entwicklung und Evaluierung eines Regeleditors für die grafische Erstellung von „Smart Living Environment“-Services
T2  - Angewandte Forschung in der Wirtschaftsinformatik 2019 : Tagungsband zur 32. AKWI-Jahrestagung / hrsg. von Martin R. Wolf, Thomas Barton, Frank Herrmann, Vera G. Meister, Christian Müller, Christian Seel
N2  - In diesem Paper wird die Entwicklung und Evaluation eines grafischen Regeleditors für das Erstellen von „Smart Living Environments“-Services vorgestellt. Dafür werden zunächst die Deduktion und Implementierung des grafischen Regeleditors erläutert. Anschließend wird eine Probandenstudie vorgestellt, in welcher der Mehrwert bezogen auf die Aspekte Zeit, Fehleranfälligkeit und Gebrauchstauglichkeit festgestellt wird.
Y1  - 2019
SN  - 978-3-944330-62-4
SP  - 234
EP  - 243
PB  - mana-Buch
CY  - Heide
ER  - 
TY  - CHAP
A1  - Bertsch, Timo
A1  - Meinecke, Matthias
A1  - Wolf, Martin
A1  - Schmunk, Karina
T1  - Smart-Living-Services nur gegen Daten? Process-Mining als Möglichkeit zur Steigerung der Akzeptanz!
T2  - Angewandte Forschung in der Wirtschaftsinformatik 2019 : Tagungsband zur 32. AKWI-Jahrestagung / hrsg. von Martin R. Wolf, Thomas Barton, Frank Herrmann, Vera G. Meister, Christian Müller, Christian Seel
N2  - Seit Jahren etablieren sich Technologien in unserem Alltag, die mit Hilfe von smarten Komponenten neue Services und Vernetzungsmöglichkeiten schaffen. Dieses Paper beschreibt die Ergebnisse einer Studie, die die Akzeptanz von IoT-gestützten, smarten Services im privaten Umfeld untersucht. Dabei wird eine zentrale Datenverarbeitung mit automatisierter Erstellung smarter Services der dezentralen Datenverarbeitung mit manueller Serviceerstellung in sieben Kategorien gegenübergestellt. Die Auswertung der Studie legt die Forschungsfrage nahe, ob das Nutzerverhalten im Kontext Smart Living nicht auch mit einem
dezentralen Lösungsansatz, und somit unabhängig von großen Unternehmen, analysiert werden kann. Hierfür wird im zweiten Teil des Papers die Anwendbarkeit von Process-Mining im Bereich Smart Living untersucht und prototypisch getestet.
Y1  - 2019
SN  - 978-3-944330-62-4
SP  - 216
EP  - 226
PB  - mana-Buch
CY  - Heide
ER  - 
TY  - CHAP
A1  - Becker, Willi
A1  - Wolf, Martin
T1  - Entwicklung eines Einführungskonzepts für IT-Service-Management in KMU
T2  - Angewandte Forschung in der Wirtschaftsinformatik 2019 : Tagungsband zur 32. AKWI-Jahrestagung / hrsg. von Martin R. Wolf, Thomas Barton, Frank Herrmann, Vera G. Meister, Christian Müller, Christian Seel
N2  - Obwohl es eine Vielzahl von Einführungskonzepten für ITSM gibt, hat sich bisher keines dieser Konzepte auf breiter Linie durchgesetzt. Das gilt in erhöhtem Maße für ITSM-Einführungskonzepte für KMU, wohl nicht zuletzt aufgrund der Tatsache, dass der Mehrwert von ITSM für KMU aufgrund der geringeren Größe der IT-Organisationen nur entsprechend schwieriger generiert werden kann.
Mit diesem Beitrag wird ein Einführungskonzept für ITSM in KMU systematisch hergeleitet. Dafür wurden zunächst die Treiber und Barrieren von ITSM untersucht, um daraus ein umfassendes Wirkmodell zu entwickeln. Da mit diesem Wirkungsmodell die Einflussfaktoren auf den Erfolg von ITSM in KMU deutlich werden, konnte auf dieser Basis ein Einführungskonzept abgeleitet werden, welches insbesondere die positiven Effekte unterstützt bzw.
verstärkt.
Y1  - 2019
SN  - 978-3-944330-62-4
SP  - 129
EP  - 137
PB  - mana-Buch
CY  - Heide
ER  - 
TY  - CHAP
A1  - Moll, Florian
A1  - Köhler, Klemens
A1  - Wolf, Martin
T1  - Konzeption von IT-Sicherheitslösungen unter ethischen Gesichtspunkten am Beispiel einer Monitoring-App für mobile Endgeräte
T2  - Angewandte Forschung in der Wirtschaftsinformatik 2019 : Tagungsband zur 32. AKWI-Jahrestagung
N2  - Die steigende Popularität von mobilen Endgeräten im privaten und geschäftlichen Umfeld geht mit einem Anstieg an Sicherheitslücken und somit potentiellen Angriffsflächen einher. Als ein Element der technischen und organisatorischen Maßnahmen zum Schutz eines Netzwerkes können Monitoring-Apps dienen, die unerwünschtes Verhalten und Angriffe erkennen. Die automatisierte Überwachung von Endgeräten ist jedoch rechtlich und ethisch komplex. Dies in Kombination mit einer hohen Sensibilität der Nutzer und Nutzerinnen dieser Geräte in Bezug auf Privatsphäre, kann zu einer geringen Akzeptanz und Compliance führen. Eine datenschutzrechtlich und ethisch einwandfreie Konzeption solcher Apps bereits im Designprozess führt zu höherer Akzeptanz und verbessert so die Effizienz. Diese Analyse beschreibt Möglichkeiten zur Umsetzung.
Y1  - 2019
SN  - 978-3-944330-62-4
SP  - 61
EP  - 72
PB  - mana-Buch
CY  - Heide
ER  - 
TY  - CHAP
A1  - Wolf, Martin
A1  - Barton, Thomas
A1  - Herrmann, Frank
A1  - Meister, Vera G.
A1  - Müller, Christian
A1  - Seel, Christian
T1  - Angewandte Forschung in der Wirtschaftsinformatik 2019 : Tagungsband zur 32. AKWI-Jahrestagung vom 15.09.2019 bis 18.09.2019 an der Fachhochschule für Angewandte Wissenschaften Aachen / hrsg. von Martin R. Wolf, Thomas Barton, Frank Herrmann, Vera G. Meister, Christian Müller, Christian Seel
N2  - Tagungsbeiträge aus den Bereichen Projektmanagement, Didaktik in der Wirtschaftsinformatik, IT-Sicherheit, Anwendungsfälle, Reifegradmodelle, Plattformen für Geschäftsprozesse und Prototypen.
Y1  - 2019
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:526-opus4-13026
SN  - 978-3-944330-62-4
PB  - mana-Buch
CY  - Heide
ER  - 
TY  - CHAP
A1  - Grundmann, Jan Thimo
A1  - Bauer, Waldemar
A1  - Boden, Ralf Christian
A1  - Ceriotti, Matteo
A1  - Cordero, Federico
A1  - Dachwald, Bernd
A1  - Dumont, Etienne
A1  - Grimm, Christian D.
A1  - Hercik, D.
A1  - Herique, A.
A1  - Ho, Tra-Mi
A1  - Jahnke, Rico
A1  - Kofman, Wlodek
A1  - Lange, Caroline
A1  - Lichtenheldt, Roy
A1  - McInnes, Colin R.
A1  - Mikschl, Tobias
A1  - Montenegro, Sergio
A1  - Moore, Iain
A1  - Pelivan, Ivanka
A1  - Peloni, Alessandro
A1  - Plettenmeier, Dirk
A1  - Quantius, Dominik
A1  - Reershemius, Siebo
A1  - Renger, Thomas
A1  - Riemann, Johannes
A1  - Rogez, Yves
A1  - Ruffer, Michael
A1  - Sasaki, Kaname
A1  - Schmitz, Nicole
A1  - Seboldt, Wolfgang
A1  - Seefeldt, Patric
A1  - Spietz, Peter
A1  - Spröwitz, Tom
A1  - Sznajder, Maciej
A1  - Toth, Norbert
A1  - Viavattene, Giulia
A1  - Wejmo, Elisabet
A1  - Wolff, Friederike
A1  - Ziach, Christian
T1  - Responsive exploration and asteroid characterization through integrated solar sail and lander development using small spacecraft technologies
T2  - IAA Planetary Defense Conference
N2  - In parallel to the evolution of the Planetary Defense Conference, the exploration of small solar system bodies has advanced from fast fly-bys on the sidelines of missions to the planets to the implementation of dedicated sample-return and in-situ analysis missions. Spacecraft of all sizes have landed, touch-and-go sampled, been gently beached, or impacted at hypervelocity on asteroid and comet surfaces. More have flown by close enough to image their surfaces in detail or sample their immediate environment, often as part of an extended or re-purposed mission. And finally, full-scale planetary defense experiment missions are in the making. Highly efficient low-thrust propulsion is increasingly applied beyond commercial use also in mainstream and flagship science missions, in combination with gravity assist propulsion. Another development in the same years is the growth of small spacecraft solutions, not in size but in numbers and individual capabilities. The on-going NASA OSIRIS-REx and JAXA HAYABUSA2 missions exemplify the trend as well as the upcoming NEA SCOUT mission or the landers MINERVA-II and MASCOT recently deployed on Ryugu. We outline likely as well as possible and efficient routes of continuation of all these developments towards a propellant-less and highly efficient class of spacecraft for small solar system body exploration: small spacecraft solar sails designed for carefree handling and equipped with carried landers and application modules, for all asteroid user communities –planetary science, planetary defence, and in-situ resource utilization. This projection builds on the experience gained in the development of deployable membrane structures leading up to the successful ground deployment test of a (20 m)² solar sail at DLR Cologne and in the 20 years since. It draws on the background of extensive trajectory optimization studies, the qualified technology of the DLR GOSSAMER-1 deployment demonstrator, and the MASCOT asteroid lander. These enable ‘now-term’ as well as near-term hardware solutions, and thus responsive fast-paced development. Mission types directly applicable to planetary defense include: single and Multiple NEA Rendezvous ((M)NR) for mitigation precursor, target monitoring and deflection follow-up tasks; sail-propelled head-on retrograde kinetic impactors (RKI) for mitigation; and deployable membrane based methods to modify the asteroid’s properties or interact with it. The DLR-ESTEC GOSSAMER Roadmap initiated studies of missions uniquely feasible with solar sails such as Displaced L1 (DL1) space weather advance warning and monitoring and Solar Polar Orbiter (SPO) delivery which demonstrate the capability of near-term solar sails to achieve NEA rendezvous in any kind of orbit, from Earth-coorbital to extremely inclined and even retrograde orbits. For those mission types using separable payloads, such as SPO, (M)NR and RKI, design concepts can be derived from the separable Boom Sail Deployment Units characteristic of DLR GOSSAMER solar sail technology, nanolanders like MASCOT, or microlanders like the JAXA-DLR Jupiter Trojan Asteroid Lander for the OKEANOS mission which can shuttle from the sail to the asteroids visited and enable multiple NEA sample-return missions. These are an ideal match for solar sails in micro-spacecraft format whose launch configurations are compatible with ESPA and ASAP secondary payload platforms.
Y1  - 2019
N1  - Conference: IAA Planetary Defense ConferenceAt: Washington DC, USA
29.04-03.05.2019
ER  - 
TY  - CHAP
A1  - Golland, Alexander
ED  - Taeger, Jürgen
T1  - Dynamic Pricing: Algorithmen zwischen Ökonomie und Datenschutz
T2  - Die Macht der Daten und der Algorithmen - Regulierung von IT, IoT und KI
Y1  - 2019
SN  - 978-3-95599-061-9
N1  - 20. Herbstakademie 2019
Die Macht der Daten und der Algorithmen –
Regulierung von IT, IoT und KI
11.09.-14.09.2019 in der Freien Hansestadt Bremen, Bremer Rathaus/Bremenhalle (Flughafen), Deutschland
SP  - 61
EP  - 75
PB  - OlWIR Verlag für Wirtschaft, Informatik und Recht
CY  - Edewecht
ER  - 
TY  - CHAP
A1  - Golland, Alexander
ED  - Ochs, Carsten
ED  - Friedewald, Michael
ED  - Hess, Thomas
ED  - Lamla, Jörn
T1  - Datenschutzregulierung als Eingriff in Wertschöpfungsmodelle
T2  - Die Zukunft der Datenökonomie : zwischen Geschäftsmodell, Kollektivgut und Verbraucherschutz
N2  - Das Kopplungsverbot verbietet, die Nutzung einer Dienstleistung von der Erteilung einer nicht für die Leistungserbringung erforderlichen Einwilligung abhängig zu machen. Personalisierte Werbung wird hierdurch erheblich erschwert. Anbieter können jedoch durch Bereitstellung eines alternativen, einwilligungsfreien Zugangs zu derselben Leistung ihren Dienst datenschutzkonform anbieten. Ein solcher Zugang muss nicht zwingend in Form eines fixen Entgelts gestaltet sein. Vielmehr ist es datenschutzrechtlich in gewissem Umfang zulässig, Preise unter Einbeziehung personenbezogener Daten dynamisch zu gestalten.
KW  - Informationsgesellschaft
KW  - Internetökonomie
KW  - Digitalisierung
KW  - Geschäftsmodell
KW  - Open Data
Y1  - 2019
SN  - 978-3-658-27510-5
N1  - Konferenz: Zukunft der Datenökonomie 2018,
11.10-12.10.2018.
Bayerische Akademie der Wissenschaften, München, Deutschland
SP  - 45
EP  - 68
PB  - Springer Fachmedien
CY  - Wiesbaden
ER  - 
TY  - CHAP
A1  - Müller, Tim M.
A1  - Altherr, Lena
A1  - Ahola, Marja
A1  - Schabel, Samuel
A1  - Pelz, Peter F.
ED  - Rodrigues, H. C.
T1  - Multi-Criteria optimization of pressure screen systems in paper recycling – balancing quality, yield, energy consumption and system complexity
T2  - EngOpt 2018 Proceedings of the 6th International Conference on Engineering Optimization
N2  - The paper industry is the industry with the third highest energy consumption in the European Union. Using recycled paper instead of fresh fibers for papermaking is less energy consuming and saves resources. However, adhesive contaminants in recycled paper are particularly problematic since they reduce the quality of the resulting paper-product. To remove as many contaminants and at the same time obtain as many valuable fibres as possible, fine screening systems, consisting of multiple interconnected pressure screens, are used. Choosing the best configuration is a non-trivial task: The screens can be interconnected in several ways, and suitable screen designs as well as operational parameters have to be selected. Additionally, one has to face conflicting objectives. In this paper, we present an approach for the multi-criteria optimization of pressure screen systems based on Mixed-Integer Nonlinear Programming. We specifically focus on a clear representation of the trade-off between different objectives.
Y1  - 2019
SN  - 978-3-319-97773-7
U6  - http://dx.doi.org/10.1007/978-3-319-97773-7_105
N1  - EngOpt 2018 Proceedings of the 6th International Conference on Engineering Optimization. 17-19 September 2018. Lisboa, Portugal
PB  - Springer International Publishing
CY  - Basel
ER  - 
TY  - CHAP
A1  - Lorenz, Imke-Sophie B.
A1  - Altherr, Lena
A1  - Pelz, Peter F.
T1  - Graph-theoretic resilience analysis of a water distribution system's topology
T2  - World Congress on Resilience, Reliability and Asset Management 2019
N2  - Water suppliers are faced with the great challenge of achieving high-quality and, at the same time, low-cost water supply. In practice, the focus is set on the most beneficial maintenance measures and/or capacity adaptations of existing water distribution systems (WDS). Since climatic and demographic influences will pose further challenges in the future, the resilience enhancement of WDS, i.e. the enhancement of their capability to withstand and recover from disturbances, has been in particular focus recently. To assess the resilience of WDS, metrics based on graph theory have been proposed. In this study, a promising approach is applied to assess the resilience of the WDS for a district in a major German City. The conducted analysis provides insight into the process of actively influencing the
resilience of WDS
KW  - Resilience Assessment
KW  - Graph Theory
KW  - Water Supply System
KW  - Case Study
Y1  - 2019
N1  - World Congress on Resilience, Reliability and Asset Management, 28-31 July 2019. Furama Riverfront Hotel, Singapore
SP  - 106
EP  - 109
ER  - 
TY  - CHAP
A1  - Grundmann, Jan Thimo
A1  - Bauer, Waldemar
A1  - Boden, Ralf
A1  - Ceriotti, Matteo
A1  - Chand, Suditi
A1  - Cordero, Federico
A1  - Dachwald, Bernd
A1  - Dumont, Etienne
A1  - Grimm, Christian D.
A1  - Heiligers, Jeannette
A1  - Herčík, David
A1  - Hérique, Alain
A1  - Ho, Tra-Mi
A1  - Jahnke, Rico
A1  - Kofman, Wlodek
A1  - Lange, Caroline
A1  - Lichtenheldt, Roy
A1  - McInnes, Colin
A1  - Meß, Jan-Gerd
A1  - Mikschl, Tobias
A1  - Mikulz, Eugen
A1  - Montenegro, Sergio
A1  - Moore, Iain
A1  - Pelivan, Ivanka
A1  - Peloni, Alessandro
A1  - Plettemeier, Dirk
A1  - Quantius, Dominik
A1  - Reershemius, Siebo
A1  - Renger, Thomas
A1  - Riemann, Johannes
A1  - Rogez, Yves
A1  - Ruffer, Michael
A1  - Sasaki, Kaname
A1  - Schmitz, Nicole
A1  - Seboldt, Wolfgang
A1  - Seefeldt, Patric
A1  - Spietz, Peter
A1  - Spröwitz, Tom
A1  - Sznajder, Maciej
A1  - Tóth, Norbert
A1  - Vergaaij, Merel
A1  - Viavattene, Giulia
A1  - Wejmo, Elisabet
A1  - Wiedemann, Carsten
A1  - Wolff, Friederike
A1  - Ziach, Christian
T1  - Flights are ten a sail – Re-use and commonality in the design and system engineering of small spacecraft solar sail missions with modular hardware for responsive and adaptive exploration
T2  - 70th International Astronautical Congress (IAC)
KW  - system engineering
KW  - small solar system body characterisation
KW  - small spacecraft solar sail
KW  - small spacecraft asteroid lander
KW  - responsive space
Y1  - 2019
SN  - 9781713814856
N1  - 70th International Astronautical Congress (IAC), Washington D.C., United States, 21-25 October 2019
SP  - 1
EP  - 7
ER  - 
TY  - CHAP
A1  - Bergmann, Kevin
A1  - Gräbener, Josefine
A1  - Wild, Dominik
A1  - Ulfers, H.
A1  - Czupalla, Markus
T1  - Study on thermal stabilization of a GEO-stationary telescope baffling system by integral application of phase change material
T2  - International Conference on Environmental Systems
N2  - The utilization of phase change material (PCM) for latent heat storage and thermal control of spacecraft has been demonstrated in the past in few missions only. One limiting factor was the fact that all concepts developed so far envisioned the PCM to be applied as an additional capacitor, encapsulated in its own housing, leading to mass, efficiency and accommodation challenges. Recently, the application of PCM within the scan cavity of a GEOS type satellite has been suggested, in order to tackle thermal issues due to direct sun intrusion (Choi, M., 2014). However, the application of PCM in such complex mechanical structures is extremely challenging. A new concept to tackle this issue is currently under development at the FH Aachen University of Applied Sciences. The concept "Infused Thermal Solutions (ITS)" is based on the idea to 3D print metallic structures in their regular functional shape, but double walled with internal lattice support structures, allowing the infusion of a PCM layer directly into the voids and eliminating the need for additional parts and interfaces. Together with OHB System, FH Aachen theoretically studied the application of this technology to the Meteosat Third Generation (MTG) Infra-Red Sounder (IRS) instrument. The study focuses on the scan cavity and entrance baffling assembly (EBA) of the IRS. It consists of thermal analyses, 3D-redesign and bread boarding of a scaled and PCM infused EBA version. In the thermal design of the alternative EBA, PCM was applied directly into the EBA, simulating the worst hot case sun intrusion of the mission. By applying 4kg of PCM (to a 60kg baffle) the EBA temperature excursions during sun intrusion were limited from 140K to 30K, leading to a significant thermo-opto-elastic performance gain. This paper introduces the ITS concept development status.
Y1  - 2019
N1  - 49th International Conference on Environmental Systems, 7-11 July 2019, Boston, Massachusetts ; ICES-2019-72
SP  - 1
EP  - 14
ER  - 
TY  - CHAP
A1  - Wuttke, Claudia
A1  - Butenweg, Christoph
A1  - Rosin, Julia
A1  - Kubalski, Thomas
T1  - Verbesserte seismische Nachweiskonzepte für Mauerwerksbauten in deutschen Erdbebengebieten
T2  - Adam, Christoph (Hrsg.) ; Univ. Innsbruck: 16. D-A-CH Tagung Erdbebeningenieurwesen & Baudynamik 2019 : 26. und 27. September 2019, Innsbruck
Y1  - 2019
SN  - 978-3-200-06454-6
SP  - 713
EP  - 722
CY  - Innsbruck
ER  -