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Entwicklung einer Betriebsstrategie zur Energierückgewinnung in hybriden Mehrverbrauchersystemen

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Book Series: Karlsruher Schriftenreihe Fahrzeugsystemtechnik / Institut für Fahrzeugsystemtechnik ISSN: 18696058 ISBN: 9783731504795 Year: Volume: 46 Pages: XIV, 130 p. DOI: 10.5445/KSP/1000051743 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:02:00
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Energy management strategies are developed for hybrid drive systems in which multiple actuators are interacting with an accumulator. The strategies are derived using a universal approach for efficiency assessment of control decisions. Therefore the accumulator’s power flow is weighted by its impact onto the internal combustion engine. Experimental studies with a telescopic handler show up to 10% of measured fuel savings.

Optimale Betriebsführung des Modularen Multilevel-Umrichters als Antriebsumrichter für Drehstrommaschinen

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ISBN: 9783731501831 Year: Pages: XI, 310 p. DOI: 10.5445/KSP/1000039063 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
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The concept of the Modular Multilevel Converter (MMC) offers numerous advantages, such as a high degree of modularity and scalability, as well as a very high voltage quality. In future, modern AC drive systems are to be realized with MMCs, which allow applications up to the highest voltage and power classes. This work presents a holistic approach for the operation and control as well as for the dimensioning of the MMC used as a drive inverter.

Die mobile Arbeitsmaschine als komplexes System

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Book Series: Karlsruher Schriftenreihe Fahrzeugsystemtechnik / Institut für Fahrzeugsystemtechnik ISSN: 18696058 ISBN: 9783731501879 Year: Volume: 23 Pages: 160 p. DOI: 10.5445/KSP/1000039390 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
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This work discusses the question, how far mobile machines have evolved to complex systems today. Some resulting problems of the conventional strictly decentralized control are revealed. An alternative is the observer/controller architecture, which is transfered to a concrete mobile machine in the simulation.

Energieoptimale Fahrdynamikregelung mehrmotoriger Elektrofahrzeuge

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Book Series: Karlsruher Schriftenreihe Fahrzeugsystemtechnik / Institut für Fahrzeugsystemtechnik ISSN: 18696058 ISBN: 9783731503323 Year: Volume: 31 Pages: IX, 150 p. DOI: 10.5445/KSP/1000045234 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
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Within the scope of this work a generic approach to the control of multiple-drive electric vehicles is evolved. An analysis of the overall system with respect to the exploitable degrees of freedom for wheel torque control reveals that several possible solutions for distributing wheel torque exist in certain driving situations. This characteristic of over-actuated systems is exploited in order to pursue further subordinate objectives from from a control perspective.

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)
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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.

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)
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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)
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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)
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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.

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