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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.

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)
Added to DOAB on : 2019-07-30 20:01:58
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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.

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.

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.

Bewegungsregelung mobiler Manipulatoren für die Mensch-Roboter-Interaktion mittels kartesischer modellprädiktiver Regelung

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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: 9783731508557 Year: Volume: 39 Pages: XXVI, 176 p. DOI: 10.5445/KSP/1000086157 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Computer Science
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For human-robot-interaction, this work proposes a method for monitoring the complex, dynamic environment of the robot. The robot motion is controlled based on the concept of nonlinear model predictive control. The controller considers the detected obstacles and intended or unintended contacts of the robot with its environment so that undesired collisions are avoided and an adequate reaction to contacts is achieved. The proposed approaches are analyzed on a mobile manipulator.

Kooperative Regelungskonzepte auf Basis der Spieltheorie und deren Anwendung auf Fahrerassistenzsysteme

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Book Series: Karlsruher Beiträge zur Regelungs- und Steuerungstechnik / Karlsruher Institut für Technologie, Institut für Regelungs- und Steuerungssysteme ISSN: 25116312 ISBN: 9783731506102 Year: Volume: 2 Pages: LXXXIV, 163 p. DOI: 10.5445/KSP/1000063300 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
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Cooperative control loops in which human and a technical automation system perform a control task in close cooperation are investigated. A control framework is proposed which is based on a formal description of the cooperative control problem. The main idea of the control algorithm is to solve a differential game on a sliding horizon. The concept has been applied to design two cooperative advanced driver-assistance systems. One for the longitudinal driving task, one for the lateral driving task.

Ein neues Konzept für die geberlose Regelung von Permanentmagnet-Synchronmaschinen für Hybrid- und Elektrofahrzeuge

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ISBN: 9783731508625 Year: Pages: VII, 160 p. DOI: 10.5445/KSP/1000087356 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Computer Science
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With the current state of the art angle sensors are used for the operation of permanent magnet synchronous machines in electric and hybrid vehicles. In the present work, a new concept for sensorless control is proposed. The robust operation could be proven with new and further developed sensorless procedures on the machine test bench. The operating range of sensorless control could be significantly increased with the presented methods.

ISA: Immissionsschutz beim Abbruch - Minimierung von Umweltbelastungen (Lärm, Staub, Erschütterungen) beim Abbruch von Hoch-/Tiefbauten und Schaffung hochwertiger Recyclingmöglichkeiten für Materialien aus Gebäudeabbruch

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Book Series: Produktion und Energie / Karlsruher Institut für Technologie, Institut für Industriebetriebslehre und industrielle Produktion u. Deutsch-Französisches Institut für Umweltforschung ISSN: 21942404 ISBN: 9783731505341 Year: Volume: 16 Pages: XVIII, 334 p. DOI: 10.5445/KSP/1000055155 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Business and Management
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Following three instruments for the integration of an efficient immission control in the planning of deconstruction and demolition activities have been developped : - a database including economical, ecological and technical data for the planning of deconstruction and demolition processes, - a planning support tool tested on site in the frame of demolition and deconstruction projects, - a prototypical immission measuring system for a permanent immission control.

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