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An Access Definition and Query Language : Towards a Unified Access Control Model

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ISBN: 9783731500889 Year: Pages: IX, 216 p. DOI: 10.5445/KSP/1000036121 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Computer Science
Added to DOAB on : 2019-07-30 20:01:59
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In this work we suggest a meta access control model emulating established access control models by configuration and offering enhanced features like the delegation of rights, ego-centered roles, and decentralized administration. The suggested meta access control model is named ''Access Definition and Query Language'' (ADQL). ADQL is represented by a formal, context-free grammar allowing to express the targeted access control model, policies, facts, and access queries as a formal language.

Dynamic Capacity Control in Air Cargo Revenue Management

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ISBN: 9783731500032 Year: Pages: VI, 225 p. DOI: 10.5445/KSP/1000034020 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Business and Management
Added to DOAB on : 2019-07-30 20:01:58
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This book studies air cargo capacity control problems. The focus is on analyzing decision models with intuitive optimal decisions as well as on developing efficient heuristics and bounds. Three different models are studied: First, a model for steering the availability of cargo space on single legs. Second, a model that simultaneously optimizes the availability of both seats and cargo capacity. Third, a decision model that controls the availability of cargo capacity on a network of flights.

Optimal Sequence-Based Control of Networked Linear Systems

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Book Series: Karlsruhe Series on Intelligent Sensor-Actuator-Systems / Karlsruher Institut für Technologie, Intelligent Sensor-Actuator-Systems Laboratory ISSN: 18673813 ISBN: 9783731503057 Year: Volume: 15 Pages: XI, 156 p. DOI: 10.5445/KSP/1000044655 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Computer Science
Added to DOAB on : 2019-07-30 20:02:02
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In Networked Control Systems (NCS), components of a control loop are connected by data networks that may introduce time-varying delays and packet losses into the system, which can severly degrade control performance. Hence, this book presents the newly developed S-LQG (Sequence-Based Linear Quadratic Gaussian) controller that combines the sequence-based control method with the well-known LQG approach to stochastic optimal control in order to compensate for the network-induced effects.

Beitrag zu einer universellen Baggerschnittstelle zur Übertragung elektrischer und hydraulischer Leistung sowie elektronischer Signale für komplexe Anbaugeräte

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Book Series: Karlsruher Schriftenreihe Fahrzeugsystemtechnik / Institut für Fahrzeugsystemtechnik ISSN: 18696058 ISBN: 9783731502814 Year: Volume: 27 Pages: VI, 108 p. DOI: 10.5445/KSP/1000043578 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
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Excavators provide a big variety of tasks with specialized accessory attachments. If the number of hydraulic functions however is too high or the function requires an exact control a manual control is not possible. This thesis presents a control system for excavator accessory attachments which enables the control of complex accessory attachments.

Dynamic Network Notation: A Graphical Modeling Language to Support the Visualization and Management of Network Effects in Service Platforms

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ISBN: 9783731500575 Year: Pages: XI, 236 p. DOI: 10.5445/KSP/1000035633 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Computer Science
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Service platforms have moved into the center of interest in both academic research and the IT industry due to their economic and technical impact. These multitenant platforms provide own or third party software as metered, on-demand services. Corresponding service offers exhibit network effects. The present work introduces a graphical modeling language to support service platform design with focus on the exploitation of these network effects.

Über den Einfluss der Fußgeometrie auf die Energieeffizienz beim zweibeinigen Gehen

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Book Series: Schriftenreihe des Instituts für Technische Mechanik, Karlsruher Institut für Technologie ISSN: 16143914 ISBN: 9783731508878 Year: Volume: 34 Pages: X, 292 p. DOI: 10.5445/KSP/1000089994 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:02:01
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The influence of foot geometry on energy efficiency in bipedal walking is investigated. A method for the optimization of the foot geometry of a bipedal robot is developed. It is based on a planar model with arbitrary convex foot geometry in combination with a hybrid zero dynamics based controller. Optimal gaits and foot geometries are determined. The average energy consumption can be reduced by more than 80% compared to a model with point feet.

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)
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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.

Efficient Reinforcement Learning using Gaussian Processes

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Book Series: Karlsruhe Series on Intelligent Sensor-Actuator-Systems / Karlsruher Institut für Technologie, Intelligent Sensor-Actuator-Systems Laboratory ISSN: 18673813 ISBN: 9783866445697 Year: Volume: 9 Pages: IX, 205 p. DOI: 10.5445/KSP/1000019799 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Computer Science
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This book examines Gaussian processes in both model-based reinforcement learning (RL) and inference in nonlinear dynamic systems.First, we introduce PILCO, a fully Bayesian approach for efficient RL in continuous-valued state and action spaces when no expert knowledge is available. PILCO takes model uncertainties consistently into account during long-term planning to reduce model bias. Second, we propose principled algorithms for robust filtering and smoothing in GP dynamic systems.

Integrated Planning and Control for Collision Avoidance Systems

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Book Series: Schriftenreihe / Institut für Mess- und Regelungstechnik, Karlsruher Institut für Technologie ISSN: 16134214 ISBN: 9783731507857 Year: Volume: 039 Pages: XV, 139 p. DOI: 10.5445/KSP/1000081452 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-28 18:37:01
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Collision avoidance systems like emergency braking assist systems have demonstrated their effectiveness in increasing the safety of vehicle passengers in various studies. To further increase the effectiveness of collision avoidance systems, the exploitation of the lateral free space by evasive maneuvers is being investigated in this book. This work focuses on methods for integrated trajectory planning and vehicle dynamics control in collision avoidance scenarios by combined evasion and braking.

Optimale Regelung eines prädiktiven Energiemanagements von Hybridfahrzeugen

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Book Series: Karlsruher Schriftenreihe Fahrzeugsystemtechnik / Institut für Fahrzeugsystemtechnik ISSN: 18696058 ISBN: 9783731504221 Year: Volume: 43 Pages: 246 p. DOI: 10.5445/KSP/1000048347 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
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This work combines the current trends in automotive industries (E-mobility, autonomous driving and connected car) in a new design of a driver assistance system for Hybrid Electric Vehicles that overtakes the speed control as well as the control of the energy management.

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