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Standard- und Modulbasierte digitale Rohbauprozesskette : Frühzeitige Produktbeeinflussung bezüglich Produktionsanforderungen im Karosserierohbau der Automobilindustrie

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Book Series: Reihe Informationsmanagement im Engineering Karlsruhe / Hrsg.: Karlsruher Institut für Technologie, Institut für Informationsmanagement im Ingenieurwesen (IMI) ISSN: 18605990 ISBN: 9783731506003 Year: Volume: 2017,1 Pages: XII, 205 p. DOI: 10.5445/KSP/1000061838 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:01:58
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Standardization and modularization offers big advantages not only for the product development but also for production and planning departments. But industry often doesn’t utilize these advantages. This contribution introduces a new method which supports the developer to design a new product in order to fit to the standardized and modularized production.

Neue Konzeption und erstmalige Realisierung eines aktiven Fahrwerks mit Preview-Strategie

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Book Series: Schriftenreihe des Instituts für Angewandte Informatik - Automatisierungstechnik, Universität Karlsruhe (TH) ISSN: 16145267 ISBN: 9783866444355 Year: Volume: 31 Pages: XIV, 184 p. DOI: 10.5445/KSP/1000013552 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:02:01
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In dieser Arbeit wird erstmals eine aktive Fahrwerkregelung mit integraler Preview-Strategie vorgestellt, die für den realen Fahrzeugeinsatz und die damit verbundenen Randbedingungen konzipiert ist. Zur Generierung des erforderlichen Straßenhöhenprofils wird ein neues Sensorkonzept mit zwei optischen Vorausschau-Sensoren zur Abtastung des Straßenprofils entwickelt und zusammen mit einem neuen Algorithmus zur Aufbereitung der Rohmeßdaten im Fahrzeug dargestellt.

Body Matched Antennas for Microwave Medical Applications

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Book Series: Karlsruher Forschungsberichte aus dem Institut für Hochfrequenztechnik und Elektronik ISSN: 18684696 ISBN: 9783731501473 Year: Volume: 72 Pages: X, 194 p. DOI: 10.5445/KSP/1000037615 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:01:57
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In this work, new concepts of body-matched antennas for microwave medical applications were developed, where the antennas are placed directly on or in the human body. Two types of antennas were designed - on-body matched antennas for diagnosis and implantable antennas for data telemetry with the main focus of miniaturization yet maintained a high radiation performance. The applicability of the antennas was verified using a medical imaging system for the detection of hemorrhagic stroke.

Tolerance Simulation in the Loop : Ansätze zur Verbesserung der Vorhersagegenauigkeit der Toleranzsimulation im Automobilbau durch Adaption an reale Fertigungsprozesse

Author:
Book Series: Reihe Informationsmanagement im Engineering Karlsruhe / Hrsg.: Karlsruher Institut für Technologie, Institut für Informationsmanagement im Ingenieurwesen (IMI) ISSN: 18605990 ISBN: 9783731508762 Year: Volume: 2019,1 Pages: XXI, 166 p. DOI: 10.5445/KSP/1000088265 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:01:59
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The dimensional accuracy in the body-in-white manufacturing process is analysed, basically confirming the simulation scope already in use. An enhanced prediction approach and a visualisation tool enable a precise and cost-efficient mapping of stamped parts deviation. As a result of joining operations parts can be deformed plastically, questioning the practical use of elastic tolerance simulation. A modified approach is presented based on the rigid body tolerance simulation.

Personalised body counter calibration using anthropometric parameters

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ISBN: 9783731501749 Year: Pages: XXVI, 205 p. DOI: 10.5445/KSP/1000038415 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Science (General)
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This book describes the development of a new method for personalisation of efficiency factors in partial body counting. Its achieved goal is the quantification of uncertainties in those factors due to variation in anatomy of the measured persons, and their reduction by correlation with anthropometric parameters. The method was applied to a detector system at the In Vivo Measurement Laboratory at Karlsruhe Institute of Technology using Monte Carlo simulation and computational phantoms.

Investigation of flow and pressure characteristics around pyramidal buildings

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Book Series: Dissertationsreihe am Institut für Hydromechanik der Universität Karlsruhe (TH) ISSN: 14394111 ISBN: 3937300724 Year: Volume: 2005,3 Pages: XVI, 138 p. DOI: 10.5445/KSP/1000003455 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: General and Civil Engineering
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Pyramidal buildings are undergoing a renaissance in todays architectural design due to their attractive mystery that has fascinated many architects. From an aerodynamic engineering point of view, structural buildings with the shape of a pyramid have their own interesting and particular aerodynamic characteristics as compared to other usual structural buildings (i.e. cuboidal).However, despite its distinct aerodynamic characteristics compared to other usual structural buildings, the flow and pressure characteristics around pyramidal structures have not yet been investigated completely. Very limited studies about pyramidal buildings can be found in the literature.Consequently, the technical layout with respect to wind load assumption of pyramidal buildings are usually not listed in standard tables which underlines the need of systematic investigations for pyramidal structures.In this study, pyramids with a wide range of base angle variation (theta = 30°, 40°, 45°, 50°, 55°, 60°, 70°) have been investigated intensively through a detailed and accurate laboratory experiments at the Laboratory of Building- and Environmental Aerodynamics, Institute for Hydromechanics, at the University of Karlsruhe. The flow measurements were performed using a 2-D Laser Doppler anemometry (LDA) and The pressure measurements were carried out using a standard pressure tapping technique. The present study focuses on the most important parameters affecting the flow and pressure characteristics that include the influence of base angles, the influence of wind directions and the influence of the pyramid heights with respect to a characteristic length. Besides the experimental investigations, numerical investigations with the aid of a software package called FLOVENT were also additionally performed in order to prove, whether experimental and numerical studies deliver the same results.Based on the flow measurement results, this study was able to distinguish the general characteristics of flow around pyramid building when compared to other type of structures (i.e. cuboidal structure). A set of equations to calculate the reattachment length at the leeward side of the pyramid was generated. In addition, an equation to estimate the zero streamline and an area below line as a function of the reattachment length and base angle, respectively, are proposed. These equations will illustrate the recirculation zone at the leeward side of the pyramid.The pressure measurement results show that the three investigated parameters (base angle, wind direction and pyramid height) have an important influence to the pressure characteristics (magnitude of pressure, suction and fluctuation) in the surfaces of the pyramids. For practical purposes, this study was able to provide the typical values of pressure and aerodynamic coefficients for pyramidal buildings that can be used for structural calculations. The values that are given in this study can be used to fill in the gap of the unavailable design values for pyramidal buildings in standard tables.

Holistic integration of product, process and resources integration in the automotive industry using the example of car body design and production : product design, process modeling, IT implementation and potential benefits

Author:
Book Series: Reihe Informationsmanagement im Engineering Karlsruhe / Hrsg.: Universität Karlsruhe (TH), Institut für Informationsmanagement im Ingenieurwesen (IMI) ISSN: 18605990 ISBN: 9783866442436 Year: Volume: 2008,1 Pages: XVIII, 204 p. DOI: 10.5445/KSP/1000008181 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
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To increase competitiveness and sustainability, automotive companies have to formulate new business strategies that improve the intelligence, flexibility and re-configurability of the product creation process. The goal is to introduce platforms in which each product is produced in a highly integrated and cost-efficient process. This thesis proposes a new comprehensive methodology based on intelligent features and template-based modeling using the example of car body modeling and manufacturing.

Dynamiksimulation in der Computergraphik

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ISBN: 9783731502043 Year: Pages: IV, 255 p. DOI: 10.5445/KSP/1000040123 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Computer Science
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Interactive physically-based simulation of rigid bodies and deformable solids is an important and active research topic in computer graphics as well as an essential part of many applications like virtual prototyping, computer games or training simulators. This work presents interactive simulation methods for multi-body systems, cloth and incompressible deformable solids. Furthermore, GPU-based methods are introduced which accelerate the simulation significantly.

Organisation, Repräsentation und Analyse menschlicher Ganzkörperbewegung für die datengetriebene Bewegungsgenerierung bei humanoiden Robotern

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Book Series: Karlsruhe Series on Humanoid Robotics ISSN: 25120875 ISBN: 9783731507291 Year: Volume: 2 Pages: VIII, 308 p. DOI: 10.5445/KSP/1000075715 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Computer Science
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This work presents an approach to data-driven motion generation for humanoid robots, which is based on the observation and analysis of human whole-body motions. To this end, we investigate how captured human motions can be represented, classified and organized in a large-scale motion database. The statistical modeling of the transitions between characteristic whole-body poses enables the subsequent generation of multi-contact motions.

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