Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 51 for “"Interconnected Systems"”.
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Nonexplicit Singular Perturbations and Interconnected Systems
… an effective tool in the analysis and design of systems with "slow" and "fast" dynamics. However, the use of this tool is often inhibited by the fact that when physical quantities are selected as state variables the model fails to be in the standard singularly perturbed form. In this thesis we …
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Nonlinear resonance and excitability in interconnected systems
Engineering design amounts to develop components and interconnect them to obtain a desired behaviour. While in the context of equilibrium dynamics there is a well-developed theory that can account for robustness and optimality in this process, we still lack a corresponding methodology for …
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Computation of Lyapunov functions and stability of interconnected systems
… of Lyapunov functions and stability analysis of interconnected systems. In Chapter 1, preliminary results about stability, definitions of Lyapunov functions and triangulations are presented. In order to analyse stability of interconnected systems in Chapters 3 and 4, we introduce three small gain …
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Event-triggered near optimal adaptive control of interconnected systems
<p>"Increased interest in complex interconnected systems like smart-grid, cyber manufacturing have attracted researchers to develop optimal adaptive control schemes to elicit a desired performance when the complex system dynamics are uncertain. In this dissertation, motivated by the fact that …
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Scheduling algorithms to improve utilization in toroidal-interconnected systems
… effective at producing highly scalable computing systems, but typically require job partitions to be both rectangular and contiguous. These restrictions introduce fragmentation issues that affect the utilization of the system and the wait time and slowdown of queued jobs. To solve these …
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SPINNING RESERVE ASSESSMENT IN INTERCONNECTED GENERATION SYSTEMS
… to assess spinning reserve requirements in interconnected systems . The technique provides a rational basis for spinning reserve allocation amongst each individual system within an interconnected configuration. The technique and its fundamental features are illustrated in this thesis. The …
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From Contagion to Stability: Insights into Network Dynamics, Resilience and Stability
The resilience of interconnected systems, such as financial networks, supply chains, software systems, and social networks, is a critical concern in today's highly connected world. While interconnectedness enables efficient economic transactions, rapid social learning, and adaptability to shocks, …
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Some new results on the stabilization and state estimation in large-scale systems by decentralized and multilevel schemes.
… concerned with the stabilization of large-scale systems by a decentralized control. The fundamental idea behind this type of control is the stabilization of the isolated subsystems of a large-scale system in such a way that the global stability requirement is also satisfied. For this purpose, a …
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Computationally Driven Algorithms for Distributed Control of Complex Systems
… reduction and distributed control problems for interconnected systems, i.e., systems that consist of multiple interacting agents/subsystems. The study of the analysis and synthesis problems for interconnected systems is motivated by the multiple applications that can benefit from the design and …
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Morphisms of networks of hybrid open systems
… develops a theory of networks of hybrid open systems and morphisms. This theory builds upon a framework of networks of continuous-time open systems as product and interconnection. We work out categorical notions for hybrid systems, deterministic hybrid systems, hybrid open systems, networks of …
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Disturbance Attenuation in Mass Chains with Passive Interconnection
… is concerned with disturbance amplification in interconnected systems which may consist of a large number of elements. The main focus is on passive control of a chain of interconnected masses where a single point is subject to an external disturbance. The problem arises in the design of …
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Anomalous transport in complex networks
The emergence of scaling in transport through interconnected systems is a consequence of the topological structure of the network and the physical mechanisms underlying the transport dynamics. We study transport by advection and diffusion in scale-free and Erdős-Rényi networks. Using stochastic …
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Steady-State Analysis in Transmission System Planning per Latest TPL-001-4 NERC Standard
… Planners in a power system. In very large, interconnected systems, this coordinated planning is necessary due to the inherent complexity that characterizes non-lineal electric power systems. A major task in transmission system planning is to conduct contingency studies that would determine …
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STRUCTURAL AND CATALYTIC FEATURES AFFECTING INACTIVATION OF TYPICAL 2-CYS HUMAN PEROXIREDOXINS 2 AND 3
… signaling pathways in the cells of the complex interconnected systems within the human body. One such class of enzymes, human typical 2-cys peroxiredoxins, is involved in redox regulation through the cyclic oxidation and reduction of cysteine residues during its normal catalytic cycle. This …
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Domestic Political Structure and Social Norms: Explaining Cooperation and Conflict Towards Regime -Based Global Governance
… norms. Moreover, findings also suggest that the interconnected systems of treaty-based-regimes play a significant role in both circumscribing and empowering domestic and foreign policies of the cooperating and non-cooperating states.
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An Empirical Analysis and Evaluation of Internet Robustness
… a critical tool in the understanding of complex interconnected systems such as the Internet, which due to digitalization, gives rise to an increasing prevalence of cyberattacks. Robustness is when a network maintains its basic functionality even under failure of some of its components, in this …
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Learning and decentralized control in linear switched systems
Switched systems are an important and widely studied area of control theory since their applications can be encountered in many different circumstances. Examples of such systems include robotics, power grids, networked systems, and macroeconomic models. In this dissertation, we focus on the …
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Modeling the Thermal Performance of an Intelligent MEMS Pressure Sensor with Self-Calibration Capabilities
Recent industry trends toward more complex and interconnected systems have increased the demand for more reliable pressure sensors. One of the best methods to ensure reliability is by regularly calibrating the sensor, checking its functionality and accuracy. By integrating a micro-actuator with a …
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Decentralized pole placement using polynomial matrix fractions
As the dimension and the complexity of large interconnected systems grow, so does the necessity for decentralized control. One of the interesting challenges in the field of decentralized control is the arbitrary pole placement using output feedback. The feasibility of this problem depends solely on …
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