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Thematische Bibliographien / Planning optimisation / Dissertationen

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Dissertationen zum Thema „Planning optimisation“

Autor: Grafiati

Veröffentlicht am 25. Mai 2024

Zuletzt aktualisiert am 19. Juli 2025

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1

Dos, Santos De Oliveira Rafael. "Bayesian Optimisation for Planning under Uncertainty." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/20762.

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Under an increasing demand for data to understand critical processes in our world, robots have become powerful tools to automatically gather data and interact with their environments. In this context, this thesis addresses planning problems where limited prior information leads to uncertainty about the outcomes of a robot's decisions. The methods are based on Bayesian optimisation (BO), which provides a framework to solve planning problems under uncertainty by means of probabilistic modelling. As a first contribution, the thesis provides a method to find energy-efficient paths over unknown te

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2

Morere, Philippe. "Bayesian Optimisation for Planning And Reinforcement Learning." Thesis, The University of Sydney, 2019. https://hdl.handle.net/2123/21230.

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This thesis addresses the problem of achieving efficient non-myopic decision making by explicitly balancing exploration and exploitation. Decision making, both in planning and reinforcement learning (RL), enables agents or robots to complete tasks by acting on their environments. Complexity arises when completing objectives requires sacrificing short-term performance in order to achieve better long-term performance. Decision making algorithms with this characteristic are known as non-myopic, and require long sequences of actions to be evaluated, thereby greatly increasing the search space size

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Marchant, Matus Roman. "Bayesian Optimisation for Planning in Dynamic Environments." Thesis, The University of Sydney, 2015. http://hdl.handle.net/2123/14497.

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This thesis addresses the problem of trajectory planning for monitoring extreme values of an environmental phenomenon that changes in space and time. The most relevant case study corresponds to environmental monitoring using an autonomous mobile robot for air, water and land pollution monitoring. Since the dynamics of the phenomenon are initially unknown, the planning algorithm needs to satisfy two objectives simultaneously: 1) Learn and predict spatial-temporal patterns and, 2) find areas of interest (e.g. high pollution), addressing the exploration-exploitation trade-off. Consequently, the t

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4

Dowie, Tracy Ann. "A disassembly planning and optimisation methodology for design." Thesis, Manchester Metropolitan University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283082.

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5

Gregory, Christine. "Robust optimisation and its application to portfolio planning." Thesis, Brunel University, 2009. http://bura.brunel.ac.uk/handle/2438/3638.

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Decision making under uncertainty presents major challenges from both modelling and solution methods perspectives. The need for stochastic optimisation methods is widely recognised; however, compromises typically have to be made in order to develop computationally tractable models. Robust optimisation is a practical alternative to stochastic optimisation approaches, particularly suited for problems in which parameter values are unknown and variable. In this thesis, we review robust optimisation, in which parameter uncertainty is defined by budgeted polyhedral uncertainty sets as opposed to ell

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Dimopoulos, Christos. "Genetic programming for manufacturing optimisation." Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327668.

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7

Rowbottom, Carl Graham. "Optimisation of beam-orientations in conformal radiotherapy treatment planning." Thesis, Institute of Cancer Research (University Of London), 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314088.

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8

Haas, O. C. L. "Optimisation and control systems modelling in radiotherapy treatment planning." Thesis, Coventry University, 1997. http://curve.coventry.ac.uk/open/items/fc7aad2f-a43a-4045-adb0-9afa7e9033b3/1.

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9

Khwandah, Sinan. "System optimisation and radio planning for future LTE-advanced." Thesis, Brunel University, 2015. http://bura.brunel.ac.uk/handle/2438/13822.

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This work is related to wireless communication. In this Thesis three main issues are addressed for future cellular networks: power consumption, interference and mobility. These issues continue to be a burden on the system’s performance as long as technology keeps evolving. In the presented chapters, the focus was to introduce greater intelligence to the LTE system algorithms and bring to them a dynamic and self-organizing approach. The first approach concerns power consumption in wireless terminals. The currently applied solution to save energy is the DRX mechanism. It organizes the time when

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Garmabdari, Rasoul. "Multi-Energy Microgrid Systems Planning and Energy Management Optimisation." Thesis, Griffith University, 2020. http://hdl.handle.net/10072/398878.

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Conventional power systems are predominantly composed of centralised large-scale generation sites that provide electricity to a large number of customers in a top-down unidirectional fashion and through transmission and distribution networks. To increase penetration of Renewable Energy Resources (RES) into this traditional power system and promotion of Distributed Energy Resources (DER) concept as an effective solution to deal with the challenges being faced in the conventional power system such as the energy losses, peak demand, peak generation, the infrastructure depreciation, and environmen

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Ahern, Zeke Alexander. "Exact and approximate optimisation for strategic bus network planning." Thesis, Queensland University of Technology, 2020. https://eprints.qut.edu.au/206458/1/Zeke_Ahern_Thesis.pdf.

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This thesis contributes to the area of transportation network design at the strategic level, considering objectives for the passenger and operator. The main goal of the research is to improve the existing methods by developing new and more rigorous approaches to integrating route choice, service frequency and adequately accounting for passenger waiting time. An exact model was developed: providing a concise non-ambiguous description to the problem. Case study problem instances found that exact methods implemented by commercial solvers are not scalable for practical problems. Therefore, meta-he

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Palmer, Gareth John. "An integrated approach to manufacturing planning : optimisation in process planning and job shop scheduling." Thesis, University of Huddersfield, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241154.

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Within manufacturing, increasing interest in being placed in the possibilities of integrated process planning and scheduling. Separating these two related tasks can impose constraints, on the final schedule, which are both undesirable and unnecessary. These constraints arise from premature decisions regarding the allocation of manufacturing resources. By making use of flexible process plans, these decisions can be delayed until the most appropriate time: during scheduling. The decisions can then be made on the basis of objectives common to both tasks (such as the minimisation of manufacturing

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Wong, Sze Chun. "Phase-based optimisation of signal timings for area traffic control." Thesis, University College London (University of London), 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262573.

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14

Ab, Rashid Mohd Fadzil Faisae. "Integrated multi-objective optimisation of assembly sequence planning and assembly line balancing using particle swarm optimisation." Thesis, Cranfield University, 2013. http://dspace.lib.cranfield.ac.uk/handle/1826/8257.

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In assembly optimisation, Assembly Sequence Planning (ASP) and Assembly Line Balancing (ALB) optimisations currently performed in serial, present an opportunity for integration, allowing benefits such as larger search space leading to better solution quality, reduced error rate in planning and fast time-to-market for a product. The literature survey highlights the research gaps, where the existing integrated ASP and ALB optimisation is limited to a Genetic Algorithm (GA) based approach, while Particle Swarm Optimisation (PSO) demonstrates better performance in individual ASP and ALB optimisati

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Avazpour, Abdoul Rasool. "The organisation and optimisation of domestic air transport services within Iran." Thesis, Loughborough University, 2001. https://dspace.lboro.ac.uk/2134/35239.

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Air transport is an important part of any major domestic transport system. Consequently significant insight, analysis and methodological effort is necessary to devise an analytical model of a domestic air transport network with a view to the optimisation. Since the advent of airline deregulation in the US in 1978, most domestic airlines have adopted a routing and scheduling strategy known as hub and spoke. The adoption of this system presents a major change to network planning and operations for most airlines. The hub and spoke system proposed in this dissertation is for developing countries a

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Wathne, Eivind. "Cargo Stowage Planning in RoRo Shipping : Optimisation Based Naval Architecture." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for marin teknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18597.

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Operations research has proven itself to be advantageous in several areas of the industry for many years, but is operations research a good approach to operational maritime planning? Expressions used to calculate the initial stability of a vessel are often non-linear. Optimisation models demand linearity, and approximated linearisations of the proven stability formulas needed to be developed. This was arguably found to be the biggest challenge when modelling the cargo stowage optimisation model. The characteristics of the RoRo shipping industry have been examined to gain a better understand of

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Strouvalis, A. M. "Customised optimisation for the planning and scheduling of utility systems." Thesis, University of Manchester, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.505686.

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18

Al, Sobhi Khalil. "Planning and optimisation of relay-based cellular mobile wimax networks." Thesis, University of Newcastle Upon Tyne, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.500928.

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Despite the fact that advanced physical layer techniques, such as adaptive modulation and coding (AMC), and AAS (advanced antenna systems), are incorporated into mobile WiMAX systems, the roll-out and deployment of initial mobile WiMAX networks woria wide shows that some fundamental enhancements are needed to the current cellular architecture in order to meet the demand for networks that offer capacity, uniform coverage, and symmetrical user access. Moreover, the objective of any network operator is to minimise the capital expenditure of the initial network roll-out, while at the same time pre

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Vernon, Anthony Michael. "Network planning and optimisation for adaptive antenna base station systems." Thesis, University of Bristol, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368721.

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20

Koleva, M. N. "Optimisation methodologies for the design and planning of water systems." Thesis, University College London (University of London), 2018. http://discovery.ucl.ac.uk/10046815/.

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This thesis addresses current topics of design and planning of water systems from water treatment units to a country-wide resources management schemes. The methodologies proposed are presented as models and solution approaches using mathematical programming, and mixed integer linear (MILP) and non-linear (MINLP) programming techniques. In Part I of the thesis, a synthesis problem for water treatment processes using superstructure optimisation is studied. An MINLP model is developed for the minimisation of water production cost considering physicochemical properties of water and operating condi

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Tavakoli, Siamak. "A generic predictive information system for resource planning and optimisation." Thesis, Brunel University, 2010. http://bura.brunel.ac.uk/handle/2438/8116.

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The purpose of this research work is to demonstrate the feasibility of creating a quick response decision platform for middle management in industry. It utilises the strengths of current, but more importantly creates a leap forward in the theory and practice of Supervisory and Data Acquisition (SCADA) systems and Discrete Event Simulation and Modelling (DESM). The proposed research platform uses real-time data and creates an automatic platform for real-time and predictive system analysis, giving current and ahead of time information on the performance of the system in an efficient manner. Data

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Levis, Aaron. "Multi-site capacity planning and business optimisation for process industries." Thesis, University College London (University of London), 2005. http://discovery.ucl.ac.uk/1444935/.

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Changing market conditions, volatile customer demand, intense competition and tightness of capital are some of the primary characteristics of the global economy that affect process industries nowadays. The main objective of the thesis is to facilitate business decision-making in today's increasingly complex and highly uncertain market environment by applying mathematical programming techniques for multi-site capacity planning and business optimisation in process industries. In the first part of the thesis, the problem of multi-site capacity planning under uncertainty in the pharmaceutical indu

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Glorieux, Emile. "Multi-Robot Motion Planning Optimisation for Handling Sheet Metal Parts." Doctoral thesis, Högskolan Väst, Avdelningen för produktionssystem (PS), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-10947.

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Motion planning for robot operations is concerned with path planning and trajectory generation. In multi-robot systems, i.e. with multiple robots operating simultaneously in a shared workspace, the motion planning also needs to coordinate the robots' motions to avoid collisions between them. The multi-robot coordination decides the cycle-time for the planned paths and trajectories since it determines to which extend the operations can take place simultaneously without colliding. To obtain the quickest cycle-time, there needs to bean optimal balance between, on the one hand short paths and fast

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Egena, O. "Planning and optimisation of 4G/5G mobile networks and beyond." Thesis, University of Salford, 2018. http://usir.salford.ac.uk/45123/.

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As mobile networks continue to evolve, two major problems have always existed that greatly affect the quality of service that users experience. These problems are (1) efficient resource management for users at the edge of the network and those in a network coverage hole. (2) network coverage such that improves the quality of service for users while keeping the cost of deployment very low. In this study, two novel algorithms (Collaborative Resource Allocation Algorithm and Memetic-Bee-Swarm Site Location-Allocation Algorithm) are proposed to solve these problems. The Collaborative Resource Allo

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Rögnvaldsson, Kristján Óttar. "Multi-Objective Mixed-Integer Linear Optimisation of Aircraft Load Planning." Thesis, KTH, Optimeringslära och systemteori, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-253363.

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A general multi-objective optimisation model is developed for the load planning decision process of a bulk loaded commercial aircraft, using the Airbus A321 fitted with additional fuel tanks as a baseline platform. The model’s input is a specific set of load items, with associated quantities, mass and volume. The output is a load plan, stating where each item should be loaded and in what quantity. The load plans should be optimal with respect to a target centre of gravity range and handling efficiency. Furthermore, the solutions should be robust with respect to perturbations in the input data.

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Phangestu, Jimmi. "Optimisation Models for Medium-Long Term Logistics Planning in Mining." Thesis, Curtin University, 2017. http://hdl.handle.net/20.500.11937/57345.

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In the mining industry, the logistics planning problem involves a mining value chain that comprises stockpiles at multiple mines, a rail network, stockpiles at multiple ports, and shipping. The objective is to maximise the total material throughput subject to a range of operational and capacity restrictions. We develop and implement an effective computational model for solving this difficult large-scale problem. Testing on real case studies demonstrates the value of our methodology.

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Sinulingga, S. "Real time MRP with optimisation of manufacturing capacity utilisation." Thesis, Cranfield University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234523.

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28

ZORNADA, MICHELA. "A Methodological Approach to Support Car Sharing Planning." Doctoral thesis, Università degli Studi di Trieste, 2020. http://hdl.handle.net/11368/2963900.

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Negli ultimi anni stanno emergendo diverse soluzioni innovative di trasporto, potenzialmente atte a limitare il primato dell’auto privata; il car sharing è una di queste, sebbene presenti alcuni aspetti critici che, se trascurati, possono portare al fallimento del servizio. Tra i principali fattori che caratterizzano questo nuovo tipo di servizio di mobilità e ne influenzano il successo emergono, per citarne alcuni, la stretta relazione tra domanda e offerta, gli effetti sull’ambiente, la relazione con il trasporto pubblico, il tema economico per l’operatore e, non da ultimo, il fattore “novit

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Rusaw, Shawn. "Sensor-based motion planning via nonsmooth analysis." Thesis, University of Oxford, 2002. http://ora.ox.ac.uk/objects/uuid:46fa490d-c4ca-45ad-9cd5-b1f11920863d.

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In this thesis we present a novel approach to sensor-based motion planning developed using the mathematical tools provided by the field of nonsmooth analysis. The work is based on a broad body of background material developed using the tools of differential topology (smooth analysis), that is limited to simple cases like a point or circular robot. Nonsmooth analysis is required to extend this background work to the case of a polygonal robot moving amidst polygonal obstacles. We present a detailed nonsmooth analysis of the distance function for arbitrary configuration spaces and use this analys

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Sandve, Kjell. "Cost analysis and optimal maintenance planning for monotone, repairable systems." Thesis, Robert Gordon University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336620.

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31

Rahmani, Nastaran. "Planning and routing via decomposition approaches." Thesis, Bordeaux, 2014. http://www.theses.fr/2014BORD0141/document.

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Problèmes de tournées de véhicules statiques et déterministes ne peuvent pas être utilisés dans de nombreux systémes de la vieréelle, du fait que les données d’entrée ne sont pas fiables et sont révélées au fil du temps. Dans cette thèse, nous étudions un problème de ramassage et de livraison avec fenêtres de temps et un maximum de temps de trajet - le problème dial-a-ride - dans sa variante statique et dynamique, et nous faisons des propositions spécifiques sur les modèles d’optimisation robustes pour résoudre ce problème. Pour résoudre le modèle statique, nous développons une approche branch

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Moad, Kamel. "Modélisation et optimisation multi-niveaux du transport forestier." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0101/document.

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Cette thèse est une contribution à la modélisation, la planification et l’optimisation du transport pour l’approvisionnement en bois de forêt des industries de première transformation. Dans ce domaine, les aléas climatiques (mise au sol des bois par les tempêtes), sanitaires (attaques bactériologiques et fongiques des bois) et commerciaux (variabilité et exigence croissante des marchés) poussent les divers acteurs du secteur (entrepreneurs et exploitants forestiers, transporteurs) à revoir l’organisation de la filière logistique d’approvisionnement, afin d’améliorer la qualité de service (adéq

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Rojas, Villabona Alvaro Alexander. "Optimisation of planning and delivery methods for Gamma Knife Stereotactic Radiosurgery." Thesis, University College London (University of London), 2018. http://discovery.ucl.ac.uk/10048270/.

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The work presented in this dissertation is the response to a series of technical and clinical challenges encountered during the first four years of operations in the Gamma Knife Centre at Queen Square. These challenges, which are common to most contemporary Gamma Knife centres, were prospectively addressed and practical solutions were developed for the questions they posed. The dosimetric differences between the new convolution algorithm and the standard TMR 10 algorithm traditionally used for prediction of dose distribution in Gamma Knife Radiosurgery (GKR) were explored. It was demonstrated

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Ionescu, Stefan, and Kaj Jonsson. "Design Trade-offs in Optimisation Based Trajectory Planning for Autonomous Racing." Thesis, KTH, Mekatronik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-254448.

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The autonomous vehicle industry is fast developing with many companies vying to release the first fully autonomous passenger vehicle. However, the advancement of the field also drives forward related areas such as autonomous racing. This paper aims to investigate how to optimally control an autonomous race car such that its progression across a previously unknown race track is maximised. This paper is inspired by the Formula Student race. The paper investigates using a Model Predictive Controller, MPC, to convert current vehicle position to a set of control inputs through the use of a vehicle

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Dubedout, Hugues. "Supply chain design and distribution planning under supply uncertainty : Application to bulk liquid gas distribution." Phd thesis, Ecole des Mines de Nantes, 2013. http://tel.archives-ouvertes.fr/tel-00910097.

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The distribution of liquid gazes (or cryogenic liquids) using bulks and tractors is a particular aspect of a fret distribution supply chain. Traditionally, these optimisation problems are treated under certainty assumptions. However, a large part of real world optimisation problems are subject to significant uncertainties due to noisy, approximated or unknown objective functions, data and/or environment parameters. In this research we investigate both robust and stochastic solutions. We study both an inventory routing problem (IRP) and a production planning and customer allocation problem. Thu

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Simmonds, Christopher Martin. "Soft handover parameter optimisation for DS-CDMA downlink design." Thesis, University of Bristol, 1995. http://hdl.handle.net/1983/471bc894-d62f-4db5-98a8-19b2fc537f55.

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Burgon, Ross. "Manoeuvre Planning Architecture for the Optimisation of Spacecraft Formation Flying Reconfiguration Manoeuvres." Thesis, Cranfield University, 2010. http://dspace.lib.cranfield.ac.uk/handle/1826/4567.

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Formation flying of multiple spacecraft collaborating toward the same goal is fast becoming a reality for space mission designers. Often the missions require the spacecraft to perform translational manoeuvres relative to each other to achieve some mission objective. These manoeuvres need to be planned to ensure the safety of the spacecraft in the formation and to optimise fuel management throughout the fleet. In addition to these requirements is it desirable for this manoeuvre planning to occur autonomously within the fleet to reduce operations cost and provide greater planning flexibility for

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Gun, Philip. "Multi Vehicle Trajectory Planning On Road Networks." Thesis, University of Sydney, 2020. https://hdl.handle.net/2123/25389.

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When multiple autonomous vehicles work in a shared space, such as in a surface mine or warehouse, they often travel along specified paths through a static road network. Although these vehicles’ actions and performance are coupled, their motion is often planned myopically or omits cooperation beyond avoiding collisions reactively. More desirable solutions could be achieved by coordinating and planning actions ahead of time. To make multi-vehicle systems more productive and efficient, the thesis introduces planning methods that can optimise for travel time, energy consumption, and trajectory

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McGowan, Stacey Elizabeth. "Incorporating range uncertainty into proton therapy treatment planning." Thesis, University of Cambridge, 2015. https://www.repository.cam.ac.uk/handle/1810/248787.

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This dissertation addresses the issue of robustness in proton therapy treatment planning for cancer treatment. Proton therapy is considered to be advantageous in treating most childhood cancers and certain adult cancers, including those of the skull base, spine and head and neck. Protons, unlike X-rays, have a finite range highly dependent on the electron density of the material they are traversing, resulting in a steep dose gradient at the distal edge of the Bragg peak. These characteristics, together with advancements in computation and technology have led to the ability to plan and deliver

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Neal, Anthony James. "Optimisation of radiotherapy treatment planning for tumours of the breast, prostate and brain." Thesis, King's College London (University of London), 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306922.

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Bin-Ibrahim, Ahmad Asrul. "Operational planning and optimisation in active distribution systems for flexible and resilient power." Thesis, Durham University, 2018. http://etheses.dur.ac.uk/12872/.

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The electricity network is undergoing significant changes to cater to environmental-deterioration and fuel-depletion issues. Consequently, an increasing number of renewable resources in the form of distributed generation (DG) are being integrated into medium-voltage distribution networks. The DG integration has created several technical and economic challenges for distribution network operators. The main challenge is basically the problem of managing network voltage profile and congestion which is caused by increasing demand and intermittent DG operations. The result of all of these changes is

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Laptali, Emel. "Application of optimisation techniques to planning and estimating decisions in the building process." Thesis, University of South Wales, 1996. https://pure.southwales.ac.uk/en/studentthesis/application-of-optimisation-techniques-to-planning-and-estimating-decisions-in-the-building-process(3bc5337e-375b-43b8-acd9-3dc12553eb61).html.

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An integrated computer model for time and cost optimisation has been developed for multi-storey reinforced concrete office buildings. The development of the model has been based on interviews completed with Planners, Estimators and Researchers within 2 of the top 20 (in terms of turnover) UK main contractors, and on published literature, bar charts and bills of quantities of concrete framed commercial buildings. The duration and cost of construction of a typical multistorey reinforced concrete office building is calculated through the first part of the integrated model, i.e. the simulation mod

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Steffansson, Hlynur. "Methods and algorithms for integrated multi-scale optimisation of production planning and scheduling." Thesis, Imperial College London, 2007. http://hdl.handle.net/10044/1/7437.

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Delolme, Laurent. "Optimisation multicritères de gammes d'usinages." Thesis, Université Clermont Auvergne‎ (2017-2020), 2017. http://www.theses.fr/2017CLFAC019.

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L’objectif de ces travaux est de développer une méthodologie de génération automatique de gammes d’usinage optimises et innovantes qui permettent aux sous-traitants aéronautiques de faire face aux problématiques de productivité et de compétitivité actuelles. Dans un premier temps, un état de l’art sur les systèmes existants de génération de gammes est présenté et permet d’introduire les limites des systèmes actuels. Une méthodologie en quatre étapes est ensuite proposée, permettant à l’utilisateur d’obtenir des gammes d’usinage optimisées respectant son savoir-faire et son expérience et introd

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Pongcharoen, Pupong. "Genetic algorithms for production scheduling in capital goods industries." Thesis, University of Newcastle Upon Tyne, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366573.

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Syrtseva, Ksenia. "Operational planning under joint uncertainties." Electronic Thesis or Diss., Université Paris sciences et lettres, 2025. http://www.theses.fr/2025UPSLM005.

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L'expansion des sources d'énergie renouvelable accroît le degré d'incertitude dans l'exploitation des réseaux de distribution d'électricité. La variabilité et l'intermittence inhérentes à ces énergies posent aussi d'importants défis aux gestionnaires de réseaux au niveau opérationnel. La gestion prévisionnelle doit ainsi évoluer pour intégrer des leviers de flexibilité, telles la modulation de puissance active et la gestion de puissance réactive. La décision relative à l'activation de ces leviers se traduit par un problème d'Optimal Power Flow. Cette thèse développe des algorithmes de résoluti

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Li, Yuan. "Studies on collaborative transportation planning among carriers." Thesis, Troyes, 2017. http://www.theses.fr/2017TROY0008/document.

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Dans la collaboration entre transporteurs, plusieurs transporteurs forment une alliance pour échanger leurs demandes de transport dans le but d'améliorer la rentabilité. Dans cette thèse, nous avons étudié la planification collaborative de transport entre transporteurs de charges partielles. Plus concrètement, nous avons étudié trois sous-problèmes soulevés dans cette planification collaborative: le problème de ramassage et de livraison avec fenêtres de temps, profits et demandes réservées, le problème de détermination de gagnants dans l'échange combinatoire, et le problème de génération d'enc

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Grebenkin, Ivan Mikhailovich. "A new optimisation procedure for uncertainty reduction by intelligent wells during field development planning." Thesis, Heriot-Watt University, 2013. http://hdl.handle.net/10399/2704.

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The uncertainty in the produced oil volume can be minimised by substituting intelligent wells (IWs) for conventional wells. A previous study showed that IWs reduce the impact of geological uncertainty on the production forecast (Birchenko, Demyanov et al. 2008). This investigation has now been extended to the “dynamic” parameters (fluid contacts, relative permeabilities, aquifer strength and zonal skin). The efficiency of the IWs in reducing the total production uncertainty due to the reservoir’s dynamic parameters was found to be comparable to that reported for the static parameters. However,

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Wruk, Julian [Verfasser]. "An Optimisation Approach to Automated Strategic Network Planning at Low-Voltage Level / Julian Wruk." Berlin : epubli, 2021. http://d-nb.info/1239980744/34.

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Pakzad, Shahabi Maedeh. "Desalination water supply planning – Optimisation of environmental impacts and costs using life cycle assessment." Thesis, Pakzad Shahabi, Maedeh (2015) Desalination water supply planning – Optimisation of environmental impacts and costs using life cycle assessment. PhD thesis, Murdoch University, 2015. https://researchrepository.murdoch.edu.au/id/eprint/29533/.

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Desalination is an integral component of water supply for many cities and regions around the globe. Although, desalination can offer a rainfall independent source of water and provide social benefits, it is energy intensive compared to conventional water sources and can have significant impacts upon the environment. Therefore an interdisciplinary approach is required when planning for water supply by desalination. A life cycle assessment of a desalination supply chain can be integrated into an optimisation framework to simultaneously consider all possible planning alternatives and find the com

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