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 16 of 16 for “"Optimal synthesis"”.
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Optimal synthesis of planar adjustable mechanisms
… position limitation of adjustable mechanisms, an optimal synthesis method based on link length structural error is developed and applied to kinematic synthesis of adjustable planar mechanisms in this research. Designed with this method, adjustable mechanisms can achieve phases of many design …
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Optimal synthesis of force-generating planar four-link mechanisms
This thesis presents a technique for the optimal synthesis of planar four-bar linkages for specified force or torque generation. Unlike most previous research in mechanism force synthesis, this thesis targets linkage applications for which the mechanical advantage is prescribed but the position …
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Optimal Synthesis of Planar Five-link Mechanisms for the Production of Nonlinear Mechanical Advantage
This thesis presents a technique for the optimal synthesis of planar five-link mechanisms that produce a desired mechanical advantage function over a specified path. Since a five-bar linkage has two degrees of freedom, small deviations from the specified path are possible without significantly …
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Application of a decomposition strategy to the optimal synthesis/design of a fuel cell sub-system
… of a decomposition methodology to the synthesis/design optimization of a stationary cogeneration fuel cell sub-system for residential/commercial applications is the focus of this work. To accomplish this, a number of different configurations for the fuel cell sub-system are presented …
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Application of a Decomposition Strategy to the Optimal Synthesis/Design and Operation of a Fuel Cell Based Total Energy System
… of "thermoeconomic isolation" applied to the synthesis/design and operational optimization of a stationary cogeneration proton exchange membrane fuel cell (PEMFC) based total energy system (TES) for residential/commercial applications is the focus of this work. A number of different …
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A Decomposition Strategy Based on Thermoeconomic Isolation Applied to the Optimal Synthesis/Design and Operation of an Advanced Fighter Aircraft System
… of "thermoeconomic isolation" applied to the synthesis/design and operational optimization of an advanced tactical fighter aircraft is the focus of this research. Conceptual, time, and physical decomposition were used to solve the system-level as well as unit-level optimization problems. The …
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Control of linear switched systems using state feedback with saturation constraints
… actuator saturation constraints into this optimal synthesis. Necessary and sufficient conditions are presented for the existence of a stabilizing static state feedback controller subject to saturation constraints, together with a constructive method to find this controller. These are …
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ΑΝΑΠΤΥΞΗ ΚΡΙΤΗΡΙΩΝ ΚΑΙ ΤΕΧΝΙΚΩΝ ΓΙΑ ΤΗΝ ΕΝΕΡΓΕΙΑΚΗ ΑΝΑΔΙΑΡΘΡΩΣΗ ΧΗΜΙΚΩΝ ΒΙΟΜΗΧΑΝΙΩΝ
THE OPTIMAL SYNTHESIS OF HEAT EXCHANGES NETWORKS IS THE MOST EFFICIENT METHODOLOGY FOR ENERGY CONSERVATION AND RECONSTRUCTION FOR ENERGY SAVING, IN GENERAL, IN THE CHEMICAL INDUSTRY. THE SUBJECT IS MAINLY TACKLED BY MEANS OF THE DEVELOPMENT OF CERTAIN CRITERIA AND HEURISTICS BASED ON …
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Novel polypyrrole derivatives to enhance conductive polymer-tissue interactions
… and metals for in vivo devices 2) Determine the optimal synthesis conditions of the conductive polymer, PPy, for sensor and implant applications.
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Influence of synthesis parameters on the properties of MXenes: a comparative study of ammonium bifluoride and HCl-LiF etching methods for membrane reactor applications
… functional properties. This thesis explores the synthesis of MXenes from Ti3AlC2 MAX phase using various etching methods, including NH4HF2, HCl-LiF, and sonication-assisted techniques. The study aims to optimize synthesis parameters to achieve high-quality MXenes with enhanced properties suitable …
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Formation of Meso-Structured Multi-Scale Porous Titanium Dioxide by Combined Soft-Templating, Freeze-Casting and Hard-Templating Using Cellulose Nanocrystals
… A systematic study was conducted wherein three synthesis parameters (water content, alcohol solvent content, and drying method) were varied in the hydrolysis of titanium tetra-isopropoxide (TTIP) by the sol-gel method to determine their contribution to the formation of multi-scale porous titania …
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Fundamentals and application of the collapse transition of poly(acrylic acid) for synthesis of various polymer-templated nanoparticles
… to globular conformation can be the basis for a synthesis of nanoparticles. For example, a negatively charged polyelectrolyte can be collapsed by positively charged counterions, forming a nano-sized polymer-counterion particle. Upon stabilization of the nanoparticle via UV crosslinking, further …
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Automated feedback in flow for accelerated reaction screening, optimization, and kinetic parameter estimation
… temperature, time, and concentration-until an optimal synthesis is achieved. This thesis opens by reviewing the most recent applications of feedback optimization in flow. The same methodology is then applied to the estimation of reaction kinetics in a series-parallel SNAr reaction network. …
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Algorithms for regulatory network inference and experiment planning in systems biology
… several natural problems related to efficient synthesis of a target mutant from source mutants. These formulations capture experimentally-useful notions of verifiability (e.g., the need to confirm that a mutant contains mutations in the desired genes) and permissibility (e.g., the requirement …
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Continuous flow synthesis of colloidal semiconductor nanocrystals: towards autonomous experimentation for accelerated material discovery
… the vast majority of work has focused on synthesis of semiconductor NCs containing toxic heavy-metal elements such as cadmium and lead. The inherent toxicity of heavy-metal-based colloidal NCs and the associated regulatory constraints have largely impeded their widespread implementation. …
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Gas-phase processes for carbon nanotubes production: catalyst synthesis and CNT reorientation dynamics
… hindered by the lack of economic and efficient synthesis methods. The properties of bulk CNT materials are dictated by the individual CNTs, their nanoscale properties (e.g. diameter, length, chirality) and their structural organisation, which are often determined by the synthesis processes. …