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 19 of 19 for “"Dynamic optimisation"”.
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Compact Dynamic Optimisation Algorithm
In recent years, the field of evolutionary dynamic optimisation has seen significant increase in scientific developments and contributions. This is as a result of its relevance in solving academic and real-world problems. Several techniques such as hyper-mutation, hyper-learning, hyper-selection, …
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Continuous dynamic optimisation using evolutionary algorithms
Evolutionary dynamic optimisation (EDO), or the study of applying evolutionary algorithms to dynamic optimisation problems (DOPs) is the focus of this thesis. Based on two comprehensive literature reviews on existing academic EDO research and real-world DOPs, this thesis for the first time …
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Set-based Particle Swarm Optimisation for Dynamic Optimisation Problems
Many real-world optimisation problems are inherently dynamic, defined by changes in their underlying properties over time. Real-world problems also frequently require optimisation over discrete-valued decision variables. However, the solution of problems that are simultaneously dynamic and …
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Adaptive challenge for algebraic and realistic dynamic optimisation benchmarks.
Dynamic optimisation focuses on finding the best possible solutions while continuously adapting to changing environments. One of the main challenges in academic dynamic optimisation is accurately representing the adaptive challenge of online algorithms to different dynamic features in benchmark …
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Evolutionary Computation for Dynamic Optimisation Problems with Different Requirement Satisfaction
… time-varying optimization scenarios known as Dynamic Optimization Problems (DOPs), learning from previous evaluations can be beneficial in tackling the current environment under the assumption that the properties of the problems and the position of their optima cannot change significantly …
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Integrated Structural and Dynamic Optimisation of Floating Wind Turbine Platforms
L'abstract è presente nell'allegato / the abstract is in the attachment
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Static and Dynamic Optimisation of Fluid-Filled Lattices for Responsive Orthotic Insoles
This thesis presents a study on the static and dynamic performance of fluid-filled lattice structures for use in responsive orthotic insoles. The central aim is to explore fluid-filled lattices as a means of enhancing comfort and reducing peak plantar pressures under both static and dynamic loading …
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Modelling and optimisation of batch distillation involving esterification and hydrolysis reaction systems. Modelling and optimisation of conventional and unconventional batch distillation process: Application to esterification of methanol and ethanol using acetic acid and hydrolysis of methyl lactate system.
… are studied here. Four different types of dynamic optimisation problems such as (a) maximum conversion (b) maximum productivity (c) maximum profit and (d) minimum time are formulated in this work. Optimal design and or operation policies are obtained for all the reaction schemes. A detailed …
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The Distortionary Effect of Production Sharing Contract in Upstream Petroleum Industry
… reflect the reality. In this study, we build a dynamic optimisation model which nests the physics of the reservoir and investigates the distortionary effects of a PSC.
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Genetic algorithms with implicit memory
… the workings of genetic algorithms in dynamic optimisation problems where fitness landscapes materialise that are identical to, or resemble in some way, landscapes previously encountered. The objective is to appraise the performances of the various approaches offered by the GAs. …
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Differential Evolution for Dynamic Constrained Continuous Optimisation
In this thesis, we choose the evolutionary dynamic optimisation methodology to tackle dynamic constrained problems. Dynamic constrained problems represent a common class of optimisation that occur in many real-world scenarios. Evolutionary algorithms are often considered very general search …
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Analysis of vibration reduction via local structural modification
As a new technique for structural dynamic analysis, local structural modification is playing a more and more important role in solving practical engineering problems. This thesis develops methods for vibration reduction via local structural modification. In this thesis, the reduction of unwanted …
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Development and applications of novel optimal control algorithms
… advance and improve the existing knowledge of a dynamic optimal control technique known as DISOPE. so as to make it attractive on one hand for its implementation in the process industry and, on the other hand, as a novel nonlinear optimal control algorithm. The main feature of the technique is …
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Rollover prevention and path following of a scaled autonomous vehicle using nonlinear model predictive control
… Software (OSS) known as Automatic Control and Dynamic Optimisation (ACADO) is used to design and simulate the NMPC controller based on an eight Degree of Freedom (8 DOF) nonlinear vehicle model with Pacejka tire model. Vehicle stability limit were determined using load transfer ratio (LTR). …
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Generation and optimisation of real-world static and dynamic location-allocation problems with application to the telecommunications industry.
… of future uncertainties fall in the domain of dynamic optimisation problems, where new facilities are located every time the environment changes. However, considering the substantial cost associated with locating a new facility, it becomes infeasible to locate facilities each time the …
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Optimal control reformulation for the solution of decision-making problems in chemical engineering
… realistic model complexity of the underlying dynamic model of the RO process and produce an automated solution for the membrane cleaning scheduling, obviating the need for any form of combinatorial optimisation. Two-Point Boundary Value Problems (TPBVPs) are examined and solved utilising a …
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Essays on Islamic Finance and Banking
… and Shari‘ah compliant equity. I utilise a dynamic optimisation strategy to capture the time-variability in correlations between Islamic ETFs and other ETFs and find the optimal portfolios accord-ingly. I back test the results by using a static optimisation strategy and estimating optimal …
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An agent-based adaptive join algorithm for building data warehouses
… the organisations become more distributed and dynamic. Meanwhile, applications of a data warehouse have evolved from reporting and decision support systems to mission critical decision making systems, which require data warehouses to combine both historical and current data from operational …
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Neural network based hybrid modelling and MINLP based optimisation of MSF desalination process within gPROMS: Development of neural network based correlations for estimating temperature elevation due to salinity, hybrid modelling and MINLP based optimisation of design and operation parameters of MSF desalination process within gPROMS
… Modelling plays an important role in simulation, optimisation and control of MSF processes and within the model, calculation of TE is therefore important for each stages (including the first stage, which determines the TBT). Firstly, in this work, several Neural Network (NN) based correlations for …