Search for dissertations about: "Time-varying delays"
Showing result 1 - 5 of 17 swedish dissertations containing the words Time-varying delays.
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1. Dynamic Programming and Time-Varying Delay Systems
Abstract : This thesis is divided into two separate parts. The first part is about Dynamic Programming for non-trivial optimal control problems. The second part introduces some useful tools for analysis of stability and performance of systems with time-varying delays. READ MORE
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2. Architectures and Performance Analysis of Wireless Control Systems
Abstract : Modern industrial control systems use a multitude of spatially distributed sensors and actuators to continuously monitor and control physical processes. Information exchange among control system components is traditionally done through physical wires. READ MORE
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3. Performance Analysis of Positive Systems and Optimization Algorithms with Time-delays
Abstract : Time-delay dynamical systems are used to model many real-world engineering systems, where the future evolution of a system depends not only on current states but also on the history of states. For this reason, the study of stability and control of time-delay systems is of theoretical and practical importance. READ MORE
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4. Adaptive control for robots to handle uncertainties, delays and state constraints
Abstract : The stability and safety of robotic systems are heavily impacted by delays and parametric uncertainties due to external disturbances, modeling inaccuracies, reaction forces, and variations in dynamics. This work addresses the effects of parametric uncertainties in the application of payload transportation by robotic systems that involve time delays and state constraints. READ MORE
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5. Input-Output Stability Analysis of Networked Control Systems
Abstract : The main focus of the thesis is to derive stability criteria for networked control system (NCS) models featuring imperfections such as time-varying and constant delays, quantization, packet dropouts, and non-uniform sampling intervals. The main method of proof is based on matrix algebra, as opposed to methods using Lyapunov functions or integral quadratic constraints (IQC). READ MORE