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 64 for “"hybrid control"”.
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Hybrid Control For Aerospace Systems
Hybrid dynamical systems are dynamical systems in which continuous and discrete evolutions coexist and interact. Their twofold nature makes them particularly powerful for both describing and synthesizing complex dynamical behaviors. In this work we exploit this capability for designing innovative …
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Analysis and Design of Hybrid Control Systems
Different aspects of hybrid control systems are treated: analysis, simulation, design and implementation. A systematic methodology using extended Lyapunov theory for design of hybrid systems is developed. The methodology is based on conventional control designs in separate regions together with a …
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Conic sector analysis of hybrid control systems
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1982.
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Robust hybrid control for autonomous vehicle motion planning
This dissertation focuses on the problem of motion planning for agile autonomous vehicles. In realistic situations, the motion planning problem must be solved in real-time, in a dynamic and uncertain environment. The fulfillment of the mission objectives might also require the exploitation of the …
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Hybrid control architecture for navigation of autonomous mobile robots
… design and implementation of a novel hybrid multi-agent orientated control architecture for navigation of multiple autonomous mobile robots operating in an unknown and unstructured environment populated by static and/or dynamic obstacles.<br/><br/>The proposed hybrid control …
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Integrated Switching DC-DC Converters with Hybrid Control Schemes
… load and line disturbances. However, only one control scheme cannot optimize the whole system in different scenarios. Hybrid control schemes are thus employed in the power converters to operate jointly and seamlessly for performance optimization during start-up, steady state and dynamic …
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Performance analysis of manufacturing systems under hybrid control policies
Thesis (Ph. D.)--Massachusetts Institute of Technology, Sloan School of Management, 1996.
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Substructure Synthesis Analysis and Hybrid Control Design for Buildings under Seismic Excitation
… design methodology for base isolation and active control in a distributed model of a building under seismic excitation. Our objective is to show that passive and active control complement each other in such an advantageous manner for the case at hand, that simple devices for both types of control …
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Modeling and Control of Multiphase DC -Dc Converters With Linkages to Hybrid Control
Deadbeat controllability is defined for dc-dc converters as the existence of switching actions that can drive the state between two valid limit cycles in a finite amount of time, with a finite number of switch transitions. Sufficient but conservative algebraic conditions for deadbeat …
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Toward Intelligent Power Systems: 5G-Enabled Hybrid Control of Distributed Energy Resources in Microgrids and Virtual Power Plants
… the design, implementation, and validation of a hybrid control framework for Micro-Grids (MGs) and Virtual Power Plants (VPPs), leveraging 5G cellular networks for real-time supervisory communication. The research fo-cuses on the coordinated operation of Grid Forming Inverter (GFMI) and Grid …
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Reduction of the Premature Aging of PEM Fuel Cell - Battery systems by Implementing an Advanced Hybrid Control System Based on Double PID, Neural Network Load Predicting Algorithm and Optimal Battery Sizing Algorithm.
… unit, gas supply management) are being controlled, managed and operated to enhance reliability and lifetime.<br/>This thesis takes the FC research to a different level of abstraction to reduce FC internal degradation. The proposed work does not focus on current FC global research trends. …
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The Development of Hybrid Process Control Systems For Fluidized Bed Pellet Coating Processes
<p>The conventional basic control for pharmaceutical batch processes has several drawbacks. The basic control often uses constant process settings discovered by trial and error. The rigid process operation provides limited process understanding and forgoes the opportunities of process optimization. …
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On the Control Aspects of Semiactive Suspensions for Automobile Applications
… been evaluated using skyhook, groundhook, and hybrid control policies, and compared to the behaviors of the passively-suspended vehicles. The relationship between vibration isolation, suspension deflection, and road-holding is studied for the quarter-car model. Three main performance indices …
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Internal Resonances in Vibration Isolators and Their Control Using Passive and Hybrid Dynamic Vibration Absorbers
… and noise radiation; and (c) passive and hybrid control approaches using dynamic vibration absorbers (DVAs) to suppress the IRs are investigated and their potential demonstrated. The 3DOF analytical model consists of a rigid primary mass connected to a flexible foundation through three …
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Hybrid adaptive feedforward control of structures to seismic inputs
… values of the structural responses using the hybrid control system were observed for most of the real accelerograms. It was also observed that the hybrid control system always improved the performance of the passive control system. 3. Peak. structural responses during sensor failures were …
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Applicability of hybrid methods in engine control system design
The new control techniques of off-line model predictive control and level set methods have been applied to the challenges of engine management for diesel exhaust aftertreatment. Theoretical work has been supported by experiments carried out in a diesel engine test cell. A control relevant air-path …
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Many-core architectures with time predictable execution Support for hard real-time applications
Hybrid control systems are a growing domain of application. They are pervasive and their complexity is increasing rapidly. Distributed control systems for future "Intelligent Grid" and renewable energy generation systems are demanding high-performance, hard real-time computation, and more …
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Modeling and Charging Control of a Lithium Ion Battery System for Solar Panels
… This thesis involves the modeling and charging control of a lithium ion battery system for solar panels. The proposed model is based on the parameters and characteristics of a realistic battery and solar panel system; and the hybrid control approach combines the advantages of the adaptive …
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Hybrid Formation Control of Unmanned Helicopters
This thesis develops a hierarchical hybrid supervisory control framework for the formation of unmanned helicopters as a cooperative task. This control structure has been constructed in two main steps. First, to have an autonomous flying system, a hierarchical hybrid control structure is developed …
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