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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.

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.

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.

Human-Inspired Balancing and Recovery Stepping for Humanoid Robots

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Book Series: Karlsruhe Series on Humanoid Robotics ISSN: 25120875 ISBN: 9783731509035 Year: Volume: 5 Pages: X, 235 p. DOI: 10.5445/KSP/1000091605 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Computer Science
Added to DOAB on : 2019-07-30 20:01:57
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Robustly maintaining balance on two legs is an important challenge for humanoid robots. The work presented in this book represents a contribution to this area. It investigates efficient methods for the decision-making from internal sensors about whether and where to step, several improvements to efficient whole-body postural balancing methods, and proposes and evaluates a novel method for efficient recovery step generation, leveraging human examples and simulation-based reinforcement learning.

Privacy-Respecting Smart Video Surveillance Based on Usage Control Enforcement

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Book Series: Karlsruher Schriften zur Anthropomatik / Lehrstuhl für Interaktive Echtzeitsysteme, Karlsruher Institut für Technologie ; Fraunhofer-Inst. für Optronik, Systemtechnik und Bildauswertung IOSB Karlsruhe ISSN: 18636489 ISBN: 9783731505389 Year: Volume: 25 Pages: XI, 240 p. DOI: 10.5445/KSP/1000055556 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Computer Science
Added to DOAB on : 2019-07-30 20:01:58
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This research introduces a conceptual framework for enforcing privacy-related restrictions in smart video surveillance systems based on danger levels and incident types to be handled. It increases the selectivity of surveillance by restricting data processing to individuals associated to incidents under investigation. Constraints are enforced by usage control, which is instantiated for video surveillance for the first time and enables tailoring such systems to comply with data protection law.

Strategies to reduce friction losses and their implications for the energy efficient design of internal flow domains

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Book Series: Schriftenreihe des Instituts für Strömungsmechanik, Karlsruher Institut für Technologie ISSN: 21998868 ISBN: 9783731502913 Year: Volume: 1 Pages: VII, 167 p. DOI: 10.5445/KSP/1000043770 Language: ENGLISH
Publisher: KIT Scientific Publishing
Subject: Technology (General)
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This work aims at developing a strategy how the energy which has to be applied to transport incompressible and Newtonian fluids through straight ducts can be reduced. Based on the physical properties of laminar and turbulent flow, models are derived which theoretically lead to the reduction of the dissipated energy. The possibility to implement the proposed state due to appropriate design aspects in the cross section shape of the duct is investigated based on numerical simulations of the flow

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)
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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*.

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)
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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.

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

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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)
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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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