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Reactive Control of Turbulent Wall-Bounded Flows for Skin Friction Drag Reduction

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Book Series: Schriftenreihe des Instituts für Strömungsmechanik, Karlsruher Institut für Technologie ISSN: 21998868 ISBN: 9783731507666 Year: Volume: 4 Pages: IX, 193 p. DOI: 10.5445/KSP/1000080529 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-28 18:37:01
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The work presents an attempt to improve the understanding of reactive drag reducing control of near-wall turbulence with respect to limitations present in a realistic application scenario. The reference reactive control scheme of opposition control is studied using direct numerical simulation through the consideration of various application oriented restrictions, i.e. local control application, limited spatial and temporal resolution of the scheme, sensor noise and control elements arrangement.

Logical Time for Decentralized Control of Material Handling Systems

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Book Series: Wissenschaftliche Berichte des Instituts für Fördertechnik und Logistiksysteme des Karlsruher Instituts für Technologie ISSN: 01712772 ISBN: 9783731505679 Year: Volume: 89 Pages: IX, 188 p. DOI: 10.5445/KSP/1000057838 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:01:57
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The fourth industrial revolution aims to transform production systems. In this work, Logical Time which is a control principle for distributed systems is transferred to material handling systems with decentralized control. The GridSorter, a modular sorter with grid-like structure, is chosen as showcase system. The system is proven to be deadlock-free and is robust against varying transport times. The time-window-based route reservation process is described as Iterative Deepening A*.

Beitrag zur Effizienzsteigerung mobiler Arbeitsmaschinen: Entwicklung einer elektrohydraulischen Bedarfsstromsteuerung mit aufgeprägtem Volumenstrom

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Book Series: Karlsruher Schriftenreihe Fahrzeugsystemtechnik / Institut für Fahrzeugsystemtechnik ISSN: 18696058 ISBN: 9783731503392 Year: Volume: 32 Pages: 168 p. DOI: 10.5445/KSP/1000045508 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:01:58
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The drive line of the working equipment of mobile machines is mainly composed of fluid power systems. Electro-hydraulic components facilitate the development of innovative Flow-on-Demand hydraulics. In these systems the oil flow of the pump is derived from the consumer requests and directly set in an open-loop control. Principle related power dissipation is reduced. Additionally, faster system response improves machine operability and ease of use.

Social cost-benefit analysis of air pollution control measures - Advancing environmental-economic assessment methods to evaluate industrial point emission sources

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ISBN: 9783731506973 Year: Pages: XXV, 230 p. DOI: 10.5445/KSP/1000072046 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:01:58
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This book enhances economic methods for social cost-benefit analysis of air pollution control measures at point emission sources. A new and highly resolved health damage cost assessment framework is developed and applied, notably in order to evaluate the influence of site-dependent and generic methodological choices. Several of these are shown to have a major impact on resulting health damage costs with important implications for decision-making.

Anwendung von Lean-Prinzipien im Erdbau - Entwicklung eines Baustellenleitstands auf Basis von Virtual Reality

Author:
Book Series: Karlsruher Reihe Technologie und Management im Baubetrieb / Institut für Technologie und Management im Baubetrieb, Karlsruher Institut für Technologie (KIT) ISSN: 23638222 ISBN: 9783731502548 Year: Volume: 69 Pages: XX, 314 p. DOI: 10.5445/KSP/1000042528 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: General and Civil Engineering
Added to DOAB on : 2019-07-30 20:01:59
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This dissertation deals with the development of a Virtual Reality-based construction site control centre for earth work in consideration of lean management principles. Beside the enhanced availability of information and increased transparency in presentation, a raise in the performance on-site by the use of a digital Kanban system could be proved.

Optimale Trajektorienplanung für Automobile

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Book Series: Schriftenreihe / Institut für Mess- und Regelungstechnik, Karlsruher Institut für Technologie ISSN: 16134214 ISBN: 9783731505532 Year: Volume: 35 Pages: III, 133 p. DOI: 10.5445/KSP/1000056530 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:02:00
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This work describes trajectory planning for autonomous driving. It treats continuous methods, which converge to a local optimum, as well as combinatorial methods, which are globally optimal. It is shown by analysis and experimentally, that both approaches are suitable for autonomous driving, but cover different driving situations.

Effiziente und dynamische Drehmomenteinprägung in hoch ausgenutzten Synchronmaschinen mit eingebetteten Magneten

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ISBN: 9783731503668 Year: Pages: IX, 231 p. DOI: 10.5445/KSP/1000046666 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:02:02
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Highly utilized permanent magnet synchronous machines with strongly nonlinear characteristics are commonly used in modern hybrid and electric vehicles. Control structures for an efficient and dynamic operation of these drives are described and experimentally validated in this work. Thus the torque can be controlled with the highest possible dynamics, in combination with the maximum utilization and efficiency of the drive system during stationary operation.

Modellbasiertes Konzept zur vollautomatisierten Montageendprüfung von asynchron angetriebenen Getriebemotoren im lastlosen Zustand

Author:
Book Series: Schriftenreihe des Instituts für Angewandte Informatik - Automatisierungstechnik, Karlsruher Institut für Technologie ISSN: 16145267 ISBN: 9783731502982 Year: Volume: 51 Pages: XXXIII, 237 p. DOI: 10.5445/KSP/1000044096 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:01:58
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By the overall system of a fully automated final inspection of gearmotors, a new approach, in terms of the mass quality inspection of individually configured products according to the guidelines of a modular system, is presented. The challenge of the new approach is to map the product variety and to design effective visual and acoustic testing algorithms. Through a comprehensive consideration of the process the potential to increase the efficiency of the final inspection is demonstrated.

Adaptive and Intelligent Temperature Control of Microwave Heating Systems with Multiple Sources

Author:
Book Series: Karlsruher Forschungsberichte aus dem Institut für Hochleistungsimpuls- und Mikrowellentechnik ISSN: 21922764 ISBN: 9783731504672 Year: Volume: 8 Pages: XIII, 231 p. DOI: 10.5445/KSP/1000051503 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:02:02
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In this work, an innovative real-time microwave control approach is proposed, to improve the temperature homogeneity under microwave heating. Multiple adaptive or intelligent control structures have been developed, including the model predictive control, neural network control and reinforcement learning control methods. Experimental results prove that these advanced control methods can effectively reduce the final temperature derivations and improve the temperature homogeneity.

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