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Luthander, Rasmus. "Photovoltaic System Layout for Optimized Self-Consumption." Thesis, Uppsala universitet, Fasta tillståndets fysik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-203996.
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Most of the photovoltaic (solar cell) systems in Sweden today are installed on private houses and connected to the public grid. Photovoltaic (PV) power can be consumed directly in the house, called self-consumption, or fed in to the public grid. For the house owner self-consumed PV energy often has a higher economic value than sold excess PV energy, since the savings from not buying one kWh is larger than the income of selling one kWh. The self-consumption can be expressed as an absolute value; amount of produced/consumed kWh, or as a relative; absolute self-consumption divided with total PV production. The PV production and self-consumption were calculated on an hourly basis. In this Master thesis a MATLAB tool for calculating and optimizing the production, absolute and relative self-consumption and profit for PV systems with panels in one (1DPV), two or three directions (3DPV) was developed. The results show possibilities to increase especially the relative self-consumption with 3DPV. There is however no economic gain of using 3DPV instead of south-directed 1DPV for the studied case; a private house close to Västerås with a 1DPV system of 3360 W and variable electricity prices based on hourly Nord Pool Spot prices. The rated power of the inverter can be decreased with 3DPV compared to south-oriented 1DPV and still keep minimal production losses. A smaller inverter and other peripheral equipment such as cables might compensate for the lower yearly profit with 3DPV when calculating the payback period. Further studies of economic aspects and how to optimize them have to be carried out for 3DPV systems, since economy is very crucial for investment decisions.
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Wu, Yue. "Computer-aided design of cellular manufacturing layout." Thesis, Durham University, 1999. http://etheses.dur.ac.uk/1464/.
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Cheng, Lu. "Concentric layout, a new scientific data layout for matrix data set in Hadoop file system." Master's thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4545.
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The data generated by scientific simulation, sensor, monitor or optical telescope has increased with dramatic speed. In order to analyze the raw data speed and space efficiently, data pre-process operation is needed to achieve better performance in data analysis phase. Current research shows an increasing tread of adopting MapReduce framework for large scale data processing. However, the data access patterns which generally applied to scientific data set are not supported by current MapReduce framework directly. The gap between the requirement from analytics application and the property of MapReduce framework motivates us to provide support for these data access patterns in MapReduce framework. In our work, we studied the data access patterns in matrix files and proposed a new concentric data layout solution to facilitate matrix data access and analysis in MapReduce framework. Concentric data layout is a data layout which maintains the dimensional property in chunk level. Contrary to the continuous data layout which adopted in current Hadoop framework by default, concentric data layout stores the data from the same sub-matrix into one chunk. This matches well with the matrix operations like computation. The concentric data layout preprocesses the data beforehand, and optimizes the afterward run of MapReduce application. The experiments indicate that the concentric data layout improves the overall performance, reduces the execution time by 38% when the file size is 16 GB, also it relieves the data overhead phenomenon and increases the effective data retrieval rate by 32% on average.ID: 029051151; System requirements: World Wide Web browser and PDF reader.; Mode of access: World Wide Web.; Thesis (M.S.)--University of Central Florida, 2010.; Includes bibliographical references (p. 56-58).
M.S.
Masters
Department of Electrical Engineering and Computer Science
Engineering
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Jangkrajarng, Nuttorn. "Analog/RF VLSI layout generation : layout retargeting via symbolic template /." Thesis, Connect to this title online; UW restricted, 2006. http://hdl.handle.net/1773/6084.
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Yang, Shao-Shi 1958. "Expert system for broadband network cable plant physical layout." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276832.
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Broadband local area network cable plant design is a time consuming work, it takes lots of computation and it depends a lot on designer's experience. In this thesis the author presents an approach to cable plant design automation, the expert system was implemented in language SCHEME, symbol manipulation was used to generate the data structure (tree) which represent the design results. Signal level simulation can be performed based on the data structure.
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Whitehead, Jonathan David. "Scheduling and layout in flexible manufacturing systems." Thesis, University of Southampton, 2002. https://eprints.soton.ac.uk/50617/.
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This thesis covers a variety of inter-related scheduling and layout issues encountered in flexible manufacturing systems. The principal focus is upon systems which adopt the commonly implemented loop layout configuration. A pivotal idea behind the work is that products must revisit machines during their manufacture. The work encompasses both computational and theoretical results. The computational work consists of testing both new and standard heuristic and local search techniques on two strongly NP-hard combinatorial optimisation problems, one related to layout and the other to single machine scheduling. In the layout problem, machines must be sequenced around a loop of conveyor belt with the objective of minimising the amount of movement carried out by the worst affected product type within the manufacturing system. In the single machine scheduling problem, coupledoperation jobs must be scheduled so that the maximum completion time on the machine, the makespan, is minimised; each coupled-operation job consists of two arbitrary processing time operations separated by a time lag that is bounded both below and above. Our results suggest that local search techniques, while well suited to standard search spaces, do not perform well when the search space contains infeasible neighbours and the cost of evaluating candidate solutions is high. The theoretical work stems from the repetitive manufacture of single product types in loop layout flexible manufacturing systems. We demonstrate that in such a system, the efficiency is strongly governed by the balance of workloads on the machines. We develop mixed integer programming models for tool allocation and machine sequencing with the objective of balancing workloads, and as a secondary criterion, minimising product movement. Focusing on a single machine, we study the computational complexity of a class of coupled-operation scheduling problems; each job consists of two unit processing time operations separated by a fixed delay of two units of time, and their order of production is restricted by precedence constraints. For several standard scheduling objective functions, we provide either polynomial algorithms or proof of NP-hardness for parallel chain and tree precedence constraints.
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Kim, Cheongbu. "One-dimensional compaction strategy for VLSI symbolic layout system." Ohio : Ohio University, 1988. http://www.ohiolink.edu/etd/view.cgi?ohiou1182804901.
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Chan, Wai Man Ivan. "Intelligent conceptual mould layout design system (ICMLDS) : innovation report." Thesis, University of Warwick, 2012. http://wrap.warwick.ac.uk/51910/.
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Family Mould Cavity Runner Layout Design (FMCRLD) is the most demanding and critical task in the early Conceptual Mould Layout Design (CMLD) phase. Traditional experience-dependent manual FCMRLD workflow results in long design lead time, non-optimum designs and costs of errors. However, no previous research, existing commercial software packages or patented technologies can support FMCRLD automation and optimisation. The nature of FMCRLD is non-repetitive and generative. The complexity of FMCRLD optimisation involves solving a complex two-level combinatorial layout design optimisation problem. This research first developed the Intelligent Conceptual Mould Layout Design System (ICMLDS) prototype based on the innovative nature-inspired evolutionary FCMRLD approach for FMCRLD automation and optimisation using Genetic Algorithm (GA) and Shape Grammar (SG). The ICMLDS prototype has been proven to be a powerful intelligent design tool as well as an interactive design-training tool that can encourage and accelerate mould designers’ design alternative exploration, exploitation and optimisation for better design in less time. This previously unavailable capability enables the supporting company not only to innovate the existing traditional mould making business but also to explore new business opportunities in the high-value low-volume market (such as telecommunication, consumer electronic and medical devices) of high precision injection moulding parts. On the other hand, the innovation of this research also provides a deeper insight into the art of evolutionary design and expands research opportunities in the evolutionary design approach into a wide variety of new application areas including hot runner layout design, ejector layout design, cooling layout design and architectural space layout design.
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Chowdhury, M. Foysol. "An expert system for analogue integrated circuit layout design." Thesis, University of Essex, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303493.
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Badshah, Alka Gupta. "GRID - graphic intelligence in design : an expert layout system." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/71057.
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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Architecture, 1987.MICROFICHE COPY AVAILABLE IN ARCHIVES AND ROTCH.
Title as it appeared in Massachusetts Institute of Technology Graduate List February 1987: Rule based graphic system.
Bibliography: leaves 82-88.
Alka Gupta Badshah.
M.S.
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Yesilcimen, Halil. "A rule-based system for automated spatial layout planning." Thesis, University of Sussex, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284083.
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Zheng, Geng. "Layout-accurate Ultra-fast System-level Design Exploration Through Verilog-ams." Thesis, University of North Texas, 2013. https://digital.library.unt.edu/ark:/67531/metadc271923/.
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This research addresses problems in designing analog and mixed-signal (AMS) systems by bridging the gap between system-level and circuit-level simulation by making simulations fast like system-level and accurate like circuit-level. The tools proposed include metamodel integrated Verilog-AMS based design exploration flows. The research involves design centering, metamodel generation flows for creating efficient behavioral models, and Verilog-AMS integration techniques for model realization. The core of the proposed solution is transistor-level and layout-level metamodeling and their incorporation in Verilog-AMS. Metamodeling is used to construct efficient and layout-accurate surrogate models for AMS system building blocks. Verilog-AMS, an AMS hardware description language, is employed to build surrogate model implementations that can be simulated with industrial standard simulators. The case-study circuits and systems include an operational amplifier (OP-AMP), a voltage-controlled oscillator (VCO), a charge-pump phase-locked loop (PLL), and a continuous-time delta-sigma modulator (DSM). The minimum and maximum error rates of the proposed OP-AMP model are 0.11 % and 2.86 %, respectively. The error rates for the PLL lock time and power estimation are 0.7 % and 3.0 %, respectively. The OP-AMP optimization using the proposed approach is ~17000× faster than the transistor-level model based approach. The optimization achieves a ~4× power reduction for the OP-AMP design. The PLL parasitic-aware optimization achieves a 10× speedup and a 147 µW power reduction. Thus the experimental results validate the effectiveness of the proposed solution.
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ABU, HAMAD AYMAN ABDALLAH. "A DECISION SUPPORT SYSTEM FOR MANUFACTURED HOUSING PRODUCTION PROCESS PLANNING AND FACILITY LAYOUT." University of Cincinnati / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1069353311.
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Ousley, Timothy Paul. "Municipal layoffs in Southern California: Should seniority outweigh productivity?" CSUSB ScholarWorks, 1997. https://scholarworks.lib.csusb.edu/etd-project/1489.
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This study consists of literature research providing background and basic knowledge on layoff-related issues, and analysis of data obtained through a survey of human resources professionals in 30 mid-size Southern California cities. The survey provided information on the layoff experiences of respondents' cities and the current state of affairs pertaining to layoff policies, procedures and perceptions.
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Patnala, Avinash Kumar. "Developing a Methodology for Improving a Mini-Cell System Layout." Ohio University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1313171911.
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Pereira, Nuno Emanuel Nunes. "An agent-based evolutionary approach for manufacturing system layout design." Master's thesis, Faculdade de Ciências e Tecnologia, 2011. http://hdl.handle.net/10362/6240.
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Dissertação apresentada na Faculdade de Ciências e Tecnologia da Universidade Nova de
Lisboa para obtenção do grau de Mestre em Engenharia Electrotécnica e de ComputadoresIn this thesis it is presented an approach to the problem of layout design for a manufacturing system, which is an important part of its design stage, given that it has influence in the system efficiency and, therefore, in its output rate and fault handling capabilities. The presented approach is based on a Genetic Algorithm (GA) that, by using information provided by the the user through an ontology file, and by using algorithms from graph-theory, designs the layout of a manufacturing system. The instances of the ontology represent manufacturing resources and their characteristics that, when they are being used by the algorithm, are encoded in chromosomes and in their genes. The algorithm begins with a number of chromosomes with low fitness which, with the directed evolution provided by the algorithm, that is restricted by the control parameters that might be tunned by the user, improve with the passing of the new generations. It is considered that the fittest solution is the one that connects, in order, all the resources required by the manufacturing plan, described in the ontology, without the occurrence of overlaps when the layout is constructed. The configuration presented by the transport system that handles parts and materials, in the selected layout, is only dependent on the available resources and on the fitness function used by the GA, being that the last cannot be changed by the user. This approach differs from others by positioning simultaneously all the components of the manufacturing system and not only workstations or transport system. The solution is directed to evolvable assembly systems, purpose for which it was implemented inside an agent, so it can be integrated in a Multiagent System (MAS) to be used in the control of a manufacturing system with minimal changes. Keywords: layout design, manufacturing system, multiagent system, ontology, genetic algorithm.
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Kiess-Moser, Paul Michael. "Labor union objectives under a multi-contract period time horizon." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26854.
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Most microeconomic models of Labor unions take the union's membership size as exogenous, and limit union members' time horizons to a single contract period. Particularly for unions allocating employment by means of a seniority system, and for unions facing stochastic demand for labor conditions, these limitations in current union models lead to unsatisfactory predictions of union behavior.
In this thesis, an n-period majority voting model of a monopoly union facing a fixed demand for labor schedule and allocating employment by seniority is developed to show the interdependence between the union's present wage choice, the size of the union's future voter pool and its future wage choices. Union members are assumed to predict the union's future voting behavior, and to account for the consequences of the retirement of senior union members. The optimal contract wage is shown analytically to be not lower than that wage which causes the layoff of twice the number of retiring workers per contract period in each contract period, and not to exceed the wage level at which half of the union's present voter pool would lose its union employment. Computer simulation solutions for various demand conditions suggest that after a potential sharp first-period increase in the contract wage, the union's contract wage path follows its analytically derived lower limit - with each contract, union employment declines by twice the number of retirees per contract period. The time path of union employment is shown to be largely independent of anticipated changes in demand for labor. A similar two-period model is developed for stochastic demand for labor conditions. For some cases, the union's wage choice can be shown to be lower when the consequences of this period's wage choice on next period's voter pool are taken into account. Majority voting instability problems cannot be ruled out for this type of model, and are interpreted as a potential cause for a union-internal political process.
These seniority-based models are then compared with models where union employment is allocated by a random draw among union members. With nonstochastic demand for labor, this allows for the analysis of discrete changes in union rules, and yields the principal prediction that the union will eventually replace an employment by random draw rule with employment according to seniority.
The economic approach to the analysis of union behavior is assessed critically, and put in some perspective by an informal discussion of other union-internal determinants of union behavior. In conclusion, it is suggested that the formal prediction of an ongoing gradual decline in union employment may be usefully amended by considering potential benefits from union size maintenance and union membership rejuvenation.Arts, Faculty of
Vancouver School of Economics
Graduate
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Lynch, Michael Andrew. "Algorithm to layout (ATL) systems for VLSI design." Thesis, University of Newcastle Upon Tyne, 1986. http://hdl.handle.net/10443/2060.
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The complexities involved in custom VLSI design together with the failure of CAD techniques to keep pace with advances in the fabrication technology have resulted in a design bottleneck. Powerful tools are required to exploit the processing potential offered by the densities now available. Describing a system in a high level algorithmic notation makes writing, understanding, modification, and verification of a design description easier. It also removes some of the emphasis on the physical issues of VLSI design, and focus attention on formulating a correct and well structured design. This thesis examines how current trends in CAD techniques might influence the evolution of advanced Algorithm To Layout (ATL) systems. The envisaged features of an example system are specified. Particular attention is given to the implementation of one its features COPTS (Compilation Of Occam Programs To Schematics). COPTS is capable of generating schematic diagrams from which an actual layout can be derived. It takes a description written in a subset of Occam and generates a high level schematic diagram depicting its realisation as a VLSI system. This diagram provides the designer with feedback on the relative placement and interconnection of the operators used in the source code. It also gives a visual representation of the parallelism defined in the Occam description. Such diagrams are a valuable aid in documenting the implementation of a design. Occam has also been selected as the input to the design system that COPTS is a feature of. The choice of Occam was made on the assumption that the most appropriate algorithmic notation for such a design system will be a suitable high level programming language. This is in contrast to current automated VLSI design systems, which typically use a hardware des~ription language for input. These special purpose languages currently concentrate on handling structural/behavioural information and have limited ability to express algorithms. Using a language such as Occam allows a designer to write a behavioural description which can be compiled and executed as a simulator, or prototype, of the system. The programmability introduced into the design process enables designers to concentrate on a design's underlying algorithm. The choice of this algorithm is the most crucial decision since it determines the performance and area of the silicon implementation. The thesis is divided into four sections, each of several chapters. The first section considers VLSI design complexity, compares the expert systems and silicon compilation approaches to tackling it, and examines its parallels with software complexity. The second section reviews the advantages of using a conventional programming language for VLSI system descriptions. A number of alternative high level programming languages are considered for application in VLSI design. The third section defines the overall ATL system COPTS is envisaged to be part of, and considers the schematic representation of Occam programs. The final section presents a summary of the overall project and suggestions for future work on realising the full ATL system.
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Hamdan, Sadek. "Context aware layout manager for video conferencing systems." Thesis, University of Ottawa (Canada), 2009. http://hdl.handle.net/10393/28906.
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In videoconferencing systems, the views of remote participants need to be laid out on the display according to context/importance of each view, and to the existing display setup. Current approaches require the user to be involved in the control process of videoconferencing systems, and consequently cause an increase of time and cost when using this technology. We propose a novel approach based on the real estate market theory to automatically manage the layout of any type of display setup in videoconferencing systems while being aware of the context of the videoconference. We analyze the suitability of the proposed approach by comparing it to another layout manager approach, namely rule-based approach. The major advancement of this approach is that it gets the videoconferencing technology closer to its goal: to make participants able to communicate as if they were located in the same room.
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Vallis, Paul. "A method of information management for layout design." Thesis, Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/17635.
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Chierotti, Marco 1960. "Factory design layout: A combined artificial intelligence and simulation approach." Thesis, The University of Arizona, 1991. http://hdl.handle.net/10150/291994.
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This thesis proposes a methodology for factory layout synthesis that combines the symbolic and numerical approaches. The layout model is represented as a loosely packed arrangement of rectangles with sides parallel to two orthogonal directions. Solutions must satisfy a set of qualitative and quantitative constraints and must optimize material handling costs. Qualitative constraints are specified using a rule based approach. Quantitative constraints and material handling costs are incorporated into a numerical, non linear-optimization problem. Optimal solutions are generated by inserting one device at the time in all admissible locations on the floorplan. The resulting partial layouts are optimized with respect to material handling costs. Then, the best partial solution obtained so far is the starting point for the next object insertion. The process stops when all devices have been placed. To illustrate the methodology, three case studies are presented.
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Al-Awadhi, Waleed. "Integrating machine grouping and layout by using knowledge based system approach." Thesis, Brunel University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242982.
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Grusecki, Travis R. "Improving block sharing in the Write Anywhere File Layout file system." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/76818.
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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2012.This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student submitted PDF version of thesis.
Includes bibliographical references (p. 41).
It is often useful in modern file systems for several files to share one or more data blocks. Block sharing is used to improve storage utilization by storing only one copy of a block shared by multiple files or volumes. This thesis proposes an approach, called Space Maker, which uses garbage collection techniques to simplify the up-front cost of file system operations, moving some of the more difficult block tracking work, such as the work required to clean-up after a file delete, to a back-end garbage collector. Space Maker was developed on top of the WAFL file system used in NetApp hardware. The Space Maker is shown to have fast scan performance, while decreasing the front-end time to delete files. Other operations, like file creates and writes have similar performance to a baseline system. Under Space Maker, block sharing is simplified, making a possible for new file system features that rely on sharing to be implemented more quickly with good performance.
by Travis R. Grusecki.
M.Eng.
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DAVY, JEANETTE ANN. "PROCEDURAL JUSTICE, SITUATIONAL CONTROL AND SELF-PERCEPTION APPLIED TO UNDERSTANDING THE EFFECTS OF LAYOFFS ON SURVIVORS (PARTICIPATION, EQUITY, EQUALITY)." Diss., The University of Arizona, 1986. http://hdl.handle.net/10150/188182.
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Procedural justice is applied to layoffs to study the effects of layoffs on survivors. Procedural norms, developed as components of procedural justice, are applied to develop two different layoff procedures, merit and random. The hypotheses come from this application as moderated by the individual's self-perception. Low performers prefer a procedural equality layoff, while high performers demonstrate no clear preference for either layoff procedure. When given the opportunity to choose a layoff procedure, the subjects having control over the layoff procedure to be used were no more satisfied with the process than those who had no control. Performance equity (merit) layoff. Subjects in this condition decreased performance, while the subjects in the other layoff conditions maintained performance levels.
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Lööf, Kajsa. "Strategy for automation and layout change in production systems." Thesis, KTH, Industriell produktion, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-61076.
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The main objective of this thesis is to identify changes in Level of Automation (LoA) and layout which are correlated. The thesis is aiming to contribute in the progressing research in automation with a practical aspect which is important to manufacturers. A case study was conducted at Parker Hannifin since research material from 2007 was available of this production system. Data from two different points in time is a necessity to observe any correlation in LoAand layout changes. The thesis is also meant to document the production system at Parker Hannifin. The research questions which will be attempted to answer are the two following: How does an increase of LoA affect the layout? Is there a specific point in the LoA where the layout changes dramatically? What improvements can be made to secure quality in Parker Hannifin’s production system? The DYNAMO methodology has been developed to measure and obtain an accurate picture of information flow and automation in production systems. The DYNAMO methodology uses a reference scale to measure LoA. This scale is divided into two parts, mechanical and cognitive, as both areas are considered when automating a production system. It proved to be an effective and objective technique to measure ParkerHannifin’s production system and data could be analyzed and compared to the previous study from 2007 ofthe same production system. The result from the case study at Parker Hannifin showed that the total LoA had increased and the layouthad changed, however the two alterations were not correlated. The Parker Hannifin case was further analyzed and one other experience from Sandvik was illustrated to draw the conclusion that there is a specific point in the LoA where the layout changes dramatically. (1) A mechanical LoA alteration betweenvalue 1 and 4 does not in itself involve a layout change. (2) Alterations in which LoA increases to 5, 6 or 7will most likely be followed by a layout change. Exactly how the increase of LoA affects the layout is hard to tell. Layout changes due to LoA are an issue of factory space and material flow. Since layouts should be compatible with current production systems, LoAchanges which infer in the production system might need a different space to be situated in, be it more space, less space or just a diverse positioning. Since cognitive LoA changes more frequently require equipment small in size, they are assumed to seldom cause layout changes. Recommendations that have been specifically stated to improve the production system at Parker Hannifin: Make DFA a standard procedure Workshop for designers and assemblers to collaborate Designers join assembly line for half a day for assembly system understanding Color coding of slides to eliminate mistakes Place instructions visibly for assemblers to easily access at all times to eliminate mistakes Using DFA at the developing stage for all valves is particularly important to minimize the costs and quality issues and ensure a smoother assembly.
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Khalid, Mohammed A. S. "Routing architecture and layout synthesis for multi-FPGA systems." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0004/NQ41187.pdf.
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Shchekutin, Nikita [Verfasser]. "Layout Optimization for Cognitive Material Flow Systems / Nikita Shchekutin." Garbsen : TEWISS - Technik und Wissen GmbH, 2019. http://d-nb.info/1196044139/34.
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Yang, Moonhee. "Analysis and optimization of class-based dedicated storage systems." Diss., Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/21730.
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Phillips, Shawn A. "Automating layout of reconfigurable subsystems for systems-on-a-chip /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/5979.
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Elgendi, E. M. O. "An automated dynamic site layout planning system : a case study of Egypt." Thesis, University of Salford, 2016. http://usir.salford.ac.uk/41604/.
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One of the serious tasks in the construction planning was the site layout planning as it had a considerable effect on construction sites. However, in practice site layout planning was often ignored or overlooked due to its complexity. Project Managers often performed a site layout planning based on experience, ad-hoc rules and first-come-first-serve approach which may lead to inefficient site layouts that had a negative effect on construction projects. Therefore, the automated systems can be considered as the most effective methods to develop an efficient site layout as they fully covered all concerns that cannot be taken into account by manual methods. Although, a lot of automated site layout planning systems had been developed to support this serious planning task. However, they remained having serious limitations and drawbacks such as a single objective, integrating with regular facilities and site areas only, 2D site layouts representation, inefficient approaches to reflect the dynamic nature of construction sites, ignoring space reuse and facilities relocation, equal area space search, generating static layout, did not cover end users’ requirements, highly complex for users, ignoring the user interaction and lacking of flexibility in the system design. This revealed the need to develop new automated systems to cover the limitations and drawbacks of the existing automated systems and offer the end users’ requirements. Furtherer more, the quantitative study of survey returned by twelve participations from the Egyptian sites guided this research to list the end users’ requirements. These results led to identifying MATrix LABoratory (MATLAB) and Genetic Algorithm (GA) as the suitable tool and technique to overcome the site layout planning limitations and shortcomings as well as offer the end users’ requirements. Therefore, this research had developed an automated dynamic site layout planning system (ASLS) which had positive impacts on the construction industry in terms of: (1) improving the site layout and space planning (2) maintaining the construction projects cost and time; (3) improving the overall safety of construction sites; and (4) protecting the surrounding environment. The automated system subjected to a validation process through two construction projects based in Egypt to examine its accuracy and effectiveness. The validation process results proved its accuracy and effectiveness in developing optimal site layouts for construction projects. In addition, an evaluation process was used to examine its functionality, completeness, performance, usability and user acceptance through functional (black-box) test, structural (white-box) test and users’ trial. The functional (black-box) and structural (white-box) tests results verified its completeness and performance. The users’ trial results indicated its usability in terms of effectiveness, efficiency and satisfaction and revealed that it was acceptable to use and efficient as it saved time. This research concluded that the developed automated system (ASLS) was effective and outperformed existing automated systems in generating global site layouts while satisfying the layout constraints by offering a number of new capabilities. Furthermore, this research contributed to knowledge by creating an innovative dynamic space search method and formulation of a novel objective function that minimized the harmful effect of construction activity on the surrounding neighboring. Recommendation emerged from the research findings were used to suggest the integrating of the automated system with the Computer Aided Drafting (CAD) and Building Information Modelling (BIM) to facilitate the data exchange and provide the project stakeholder with different scenarios of site layout.
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Liu, Junying M. Eng Massachusetts Institute of Technology. "Assembly cell layout and Kanban system design for an oilfield services company." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62505.
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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2010.Cataloged from PDF version of thesis.
Includes bibliographical references (p. 46).
The thesis describes the layout design of new gauge assembly lab for an oilfield services company. A relationship diagram was created to categorize all the workstations and activities in the assembly line. Three layouts were proposed based on the categorization. One layout that facilitated the assembly flow best and met the requirement of human factors was selected. This new layout enables the company to meet the increased demand in 2011. In addition, Kanban system was also introduced to this assembly line to reduce lead time to one month and to reduce inventory by 40%, respectively.
by Junying Liu.
M.Eng.
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Panek, Diana Lynn 1952. "A STUDY ON COMPONENT CONFIGURATION IN FMS (FLEXIBLE MANUFACTURING)." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/291236.
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Mazantsana, Vuyo Leonard. "The retrenchment processes and procedures in an Eastern Cape motor manufacturing company." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1018507.
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Previously, the Labour Relations Act made it compulsory for the employer to consult on appropriate measures to avoid, minimise and change the timing of dismissals, mitigate the adverse effect of the dismissals, the method for selecting the employees to be dismissed, and severance pay for the dismissed employees. The Labour Relations Act 66 of 1995 (LRA) specifies the steps that must be followed when they consider dismissing employees for reasons based on the operational requirements of their business. The necessary and appropriate steps to be followed for dismissal for operational reasons are contained in Section 189 of the LRA. Before an employer can start the retrenchment process, he/she is required by law to give a written notice inviting the other parties to consult and the employer must be prepared to disclose all relevant information. The new law that governs disclosure states that if an arbitrator or the Labour Court is required to decide whether or not information is relevant to the proposed retrenchments, the onus is on the employer to prove that any information that it refuses to disclose is not relevant for the purpose for which it is sought. It is also provided that if a consulting party makes any representation to the employer in writing, the employer must respond in writing. In terms of Section 189A (19) of the LRA clear guidance is given as to when will a fair reason be granted to dismiss for reasons based on operational requirements. This Section, further suggests that the Labour Court must ascertain that an employee was dismissed for a fair reason if: the dismissal was for requirements based on the employer's economic, technological, structural or similar needs; the dismissal was operationally justifiable on reasonable grounds; there was a proper consideration of other options to save job loses; and criteria used for selecting people for retrenchment were fair and objective. This is a much stricter test for substantive fairness than was previously applied. The aim of this study is to determine whether the retrenchment processes and procedures practiced in the motor manufacturing company in the Eastern Cape are compliant with the legislative framework. The company policy was examined against the literature available and the retrenchment processes of different authors were investigated. For the purpose of this study, the researcher used a structured self-administered questionnaire to collect data from the respondents. The questionnaire was delivered by hand to each respondent and collected later. The questionnaire was carefully designed considering the main components and aspects of dismissal for operational requirements as revealed in the theory. The results of the empirical study revealed that the company conducts fair and proper retrenchment processes and procedures, consults with all the relevant stakeholders, follows the right consulting process when it contemplates dismissing employees for operational requirements, uses fair selection criteria and does not unfairly discriminate against employees based on arbitrary grounds. In respect of disclosure of information, the respondents were aware of what information is shared and disclosed and for what purposes. The findings indicated that the majority of the retrenchment processes and procedures applied in the motor manufacturing company in the Eastern Cape are in line with the best practise and compliant with legislative framework. Based on the findings of the study, the researcher recommends that the employer should create awareness and educate employees on the importance of the dimensions related to retrenchment processes and procedures whenever the company embarks on dismissal for operational requirements.
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Chen, Hongyu. "On-chip interconnect architectures perspectives of layout, circuits, and systems /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2006. http://wwwlib.umi.com/cr/ucsd/fullcit?p3237549.
Full textAbstract:
Thesis (Ph. D.)--University of California, San Diego, 2006.Title from first page of PDF file (viewed December 12, 2006). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 131-137).
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Bhadkamkar, Medha. "Improving Storage Performance Through Layout Optimizations." FIU Digital Commons, 2009. http://digitalcommons.fiu.edu/etd/98.
Full textAbstract:
Disk drives are the bottleneck in the processing of large amounts of data used in almost all common applications. File systems attempt to reduce this by storing data sequentially on the disk drives, thereby reducing the access latencies. Although this strategy is useful when data is retrieved sequentially, the access patterns in real world workloads is not necessarily sequential and this mismatch results in storage I/O performance degradation. This thesis demonstrates that one way to improve the storage performance is to reorganize data on disk drives in the same way in which it is mostly accessed. We identify two classes of accesses: static, where access patterns do not change over the lifetime of the data and dynamic, where access patterns frequently change over short durations of time, and propose, implement and evaluate layout strategies for each of these. Our strategies are implemented in a way that they can be seamlessly integrated or removed from the system as desired. We evaluate our layout strategies for static policies using tree-structured XML data where accesses to the storage device are mostly of two kinds - parent-tochild or child-to-sibling. Our results show that for a specific class of deep-focused queries, the existing file system layout policy performs better by 5-54X. For the non-deep-focused queries, our native layout mechanism shows an improvement of 3-127X. To improve performance of the dynamic access patterns, we implement a self-optimizing storage system that performs rearranges popular block accesses on a dedicated partition based on the observed workload characteristics. Our evaluation shows an improvement of over 80% in the disk busy times over a range of workloads. These results show that applying the knowledge of data access patterns for allocation decisions can substantially improve the I/O performance.
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Lutchman, Shanley Lawrence. "Heliostat field layout optimization for a central receiver." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/96043.
Full textAbstract:
Thesis (MEng)--Stellenbosch University, 2014.ENGLISH ABSTRACT: There are two methods generally used for heliostat field layout optimization: the field growth method and the pattern method. A third, less commonly used method also exists: the free variable method. Each of these three methods offers its own set of advantages and disadvantages. The purpose of this study is to explore the subject of heliostat field layout optimization and to examine the free variable method. In order to achieve this objective, optimization was conducted using the free variable method. To perform optimization, a technical model of the heliostat field was constructed using approximating functions from literature and geometric analysis. Results of this study indicated that the free variable method is possible using a gradient-based optimization algorithm. The free variable method was applied to redesign the field of a commercial plant, PS10, located in Spain. The original plant was improved by 1.2% in annual intercepted energy. The study has demonstrated some of the characteristics, advantages and pitfalls of the free variable method and has proved useful in contributing to the understanding of heliostat field layout optimization. The free variable method requires more research and development before it may be used commercially.
AFRIKAANSE OPSOMMING: Daar word oor die algemeen twee metodes gebruik om 'n heliostaatveld se uitleg te optimeer: die terreinvermeerderingsmetode (field growth) en die patroonmetode (pattern). 'n Derde, minder algemeen gebruikte metode bestaan ook: die vrye veranderlike metode (free variable). Elkeen van hierdie drie metodes bied sy eie voordele en nadele. Die doel van hierdie studie is om die onderwerp van heliostaat veld uitleg optimalisering te verken en die vrye veranderlike metode te ondersoek. Ten einde te hierdie oogmerk te bereik, is die optimalisering uitgevoer met gebruik van die vrye veranderlike metode. Om optimalisering uit te voer, is 'n tegniese model van die heliostaat veld gebou met behulp van benader funksies van letterkunde en geometriese analise. Resultate van hierdie studie het aangedui dat die vrye veranderlike metode moontlik is deur gebruik te maak van 'n gradientbebaseerde optimeeringslagoritme. Die vrye veranderlike metode is ook aangewend om die terrien van 'n kommersiele aanleg, PS10 in Spanje, te herontwerp. Die oorspronklike aanleg is in jaarlikse onderskep energie verbeter met 1.2%. Die studie het sommige van die eienskappe, voordele en slaggate van die vrye veranderlike metode getoon en het nuttige bewys om by te dra tot die begrip van heliostaat veld uitleg optimalisering. Die vrye veranderlike metode vereis meer navorsing en ontwikkeling voordat dit kommersieel gebruik kan word.
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Hammad, Ayman Abdallah A. "A decision support system for manufactured housing production process planning and facility layout." Cincinnati, Ohio : University of Cincinnati, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=ucin1069353311.
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Goins, Sheila Taylor. "Rival and shareholder influences in corporate layoff decisions /." 2000. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:9990549.
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Govender, Maanasa Devi. "The role of the media in teacher rationalisation and redeployment in KwaZulu-Natal." Thesis, 2001. http://hdl.handle.net/10413/3616.
Full textAbstract:
After centuries of oppression, the majority of South Africans were anxious to experience
the democratic values of justice, equality, liberty, democracy and peace that were
embedded in the 1994 constitution. In order to redress the inequities and imbalances of
the apartheid era., former National Education Minister, Professor Sibusiso Bengu declared
the Revised Norms and Standards for teacher education as national policy shortly after
the Government of National Unity took office in 1994.
New political dispensations in response to the pronouncement of the White Paper in 1995
meant that the National Ministry of Education faced insurmountable challenges of
transforming education and training. The teacher Rationalisation and Redeployment
(R&R) policy was formulated to address issues of inequities and imbalances that have
riddled the pre-democratic South African Education system. The rationalisation and
redeployment process was intended to facilitate the transformation of education and
training under a single Department of Education (DoE).
The Department had to ensure that all schools, especially the rural schools that were
previously disadvantaged under the apartheid regime had an adequate supply of qualified
teachers. It must be noted that the rural communities have suffered the most, and still
suffer the consequences of the oppressive ideologies that were embedded in education
polices during the apartheid era.
An implementation of the rationalisation and redeployment policy meant that schools that
were operating over the teacher / pupil ratio of 1: 38 in secondary schools and 1: 40 in
primary schools had to be rationaJised and the 'excess' teachers had to be redeployed to
previously disadvantaged schools that needed their services. A successful implementation
of the R&R policy objectives would have translated into redressing the imbalances and
inequities of South African education under the apartheid regime.
I argue in this study that the media played a dual role of 'moulder' and 'mirror' in
representing the R&R phenomenon in KwaZulu-Natal. How did the media manage to do
this? The media basically rooted itself either within the consensus paradigm or the
conflict paradigm. Within the consensus paradigm, the media played the role of moulder
of mass perception in which dominant ideologies that support the status quo is reflected.
Within this paradigm, public discourse is hindered because of the deliberate use of top-down,
non-interactive language. By this I mean, that the media does not promote
discourse at grassroots level. However, when the media chose to root itself within the conflict paradigm, it played the role of 'mirror' in representing significant events as the
rationalisation and redeployment process unfolded itself. Within the conflict paradigm,
the critical and reflexive voice of the 'man in the street' is heard and public discourse is
promoted.
This study explores how four local media products, The Daily News, Mercury, Natal
Witness and Post represented the rationalisation and redeployment phenomenon in KZN
for the period November 1998 - March 1999.
This is a qualitative study, which has also eclectically drawn on quantitative data. Data
relating to the intentions of the R&R policy was obtained and analysed from The
National Teachers Audit (1995), and the Education Policy Unit (EPU), March 1997
review. The data relating to the objectives and implementation procedures of the R&R
policy was obtained and analysed from the original Rationalisation and Redeployment
document, HRM 51/98. The sample of the media products was selected on race
representavity in KZN. The statistical data was obtained and analysed from the AMPS
2000A. The representative texts were obtained and analysed from the Independent
Newspapers Microfish. These documents provided me with in-depth data to examine and
triangulate the R&R phenomenon from multi-dimensional perspectives.
The data was subject to firstly, a linguistic level of analysis, in which the meanings of the, words, the sentence construction and the signs signalling hidden agendas, silences and
gaps were used as tools to deconstruct the media texts. Secondly, the data was subject to
a representational level of analysis where I examined the position of the media as
communicator of messages or facilitator of discourse. If the media used interactive
language, (language that promoted discourse between various role-players) then the
media was identified to adopt the conflict paradigm, where it positioned itself as
facilitator and fuelled the battle-lines between the various interest groups. If the media
used non-interactive language,( language that did not encourage discourse from
grassroots) then the media was identified to adopt the consensus paradigm, where it
positioned itself as communicator of ruling class ideology. Furthermore it would use
words such as 'we' and 'all' to communicate consensus at policymakers level.
Significant findings of this research indicate that during the period before implementation
November 1998 to January 1999, the print media foregrounded the objectives of
rationalisation and redeployment within the consensus paradigm. Furthermore, the issues
of control, democracy, equity, from unions perspective were represented in non-interactive
language within the consensus paradigm. Moreover, the objective of
transformation was represented in non-interactive language Within the consensus
paradigm. For the period during implementation, the objectives of redeployment, which
are transformation and equity were represented in non-interactive language within the
consensus paradigm. The issues of teacher pupil ratio, women and retrenchments were
represented within the conflict paradigm. Issues of resistance to implementation,
misinterpretation of official circulars were represented within the conflict paradigm.
While the objectives of rationalisation were reinforced, the issues of chaos, challenging authority, social action and resignations were represented within the conflict paradigm.
The issue of post provisioning norms formula being miscalculated to bring in
'retrenchments through the back door' was highlighted, while the major issue of unions
was represented within the conflict paradigm.
The overall findings from the four media products, The Daily News, Natal Mercury,
Natal Witness and Post indicated that while the Daily News and Mercury initially
attempted to coerce the readership to accept the noble objectives of the R&R policy, both
these newspapers shifted their paradigm from consensus to conflict when they realised
that this policy was met with tremendous resistance because it was almost not pragmatic.
However, the Natal Witness and Post came across as being anti policy from the outset
and rooted itself it the conflict paradigm. In doing so, it fanned the flames of tension and
conflict between the various role-players and celebrated victim-hood.
The overall conclusion of this study is that it is located within two influential theoretical
media paradigms namely, the Structural-Functionalism Consensus Paradigm and the
Political-Economic Conflict Paradigm, as explicated by Hiebert et al (1991: 36), that the
main choices of 'theories of media and society are between conflict and consensus',
where the media is portrayed either as 'moulder' or 'mirror' of society. This study
concurs with the above media theories because the discourses emanating from the four
local media products could easily be identified within the consensus paradigm or conflict
paradigm. This research indicates that the discourses were controversial, conflicting,
volatile and bias in their representation as the recent media studies conducted by the
Glasgow and the Birmingham research indicates, as quoted by Fowler (1994: 10), that
'all news is biased'. Nevertheless, as a witness to the rationalisation and redeployment
phenomenon in KZN for the period November 1998- March 1999, I partially disagree
with the Newsom Report (1963) 'that media texts do not replicate or mirror reality',
because the media did present itself as the voice of the voiceless during the period
of implementation of the R&R policy. Finally, the media texts were not about the truth
value of their assertions, but how the media forged relationships between the various
role-players and framed each one in relation to the other, creating an atmosphere of
tension and conflict, promoting the discourse, and thereby fuelling the battle-lines
between the role-players.Thesis (M.Ed.)-University of Durban-Westville, 2001.
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Tsai, Wang-Ru, and 蔡旺儒. "A System of Facility Layout." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/76817956090302946029.
Full textAbstract:
碩士國立交通大學
資訊管理研究所
83
The facility layout problem is concerned with laying out facilities on a planar site as efficient as possible. Due to its wide applications, it would be useful to build an expert system of facility layout. This thesis proposed a heuristic algorithm, which utilizes the mix-integer programming and goal programming approaches, to solve the facility layout problem and is suitable for building an expert system. The proposed algorithm first develops a spatial grammar to describe the relationships among objects. After that, the non-overlapping constraints among objects are linearized thus to simplify the complex constraints. Finally, we design a man-machine interface of an expert system which is based on the proposed algorithm.
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CHI, JIA-CUN, and 蔡加春. "HILAS:hierarchical and interactive Layout system." Thesis, 1987. http://ndltd.ncl.edu.tw/handle/86996138225748308105.
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Mvelase, G. Z. "Impact of unemployment in rural areas." Thesis, 2002. http://hdl.handle.net/10413/4032.
Full textAbstract:
This study focuses on the impact of unemployment in rural areas at Kwa- Nxamalala. The study shows how the people of Kwa-Nxamalala survive since most of them are unemployed. According to the finding of the study, unemployment rural areas creates lot of problems like, crime deviant behaviour particularly among the youth. Bad relationship particularly between husband and wife. Children are also affected by the situation both from school and at home. Many people in the community are engaged on different activities in order to survive.Thesis (M.Dev.Studies)-University of Durban-Westville, 2002.
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Jin, Wei-Han, and 金威翰. "Development of Automatically Systematic Layout System for Analog IC Layout Design." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/93916933568559614876.
Full textAbstract:
碩士國立臺灣大學
工業工程學研究所
95
Semiconductor product development procedure is more and more important with the continuous improving of manufacturing process. The upstream and downstream members in design chain can join the new product development procedure for raising the development efficiency, reducing time to market, and increasing the benefits of all the members. In this research, analog IC product development procedure is separated into several standard processes through Design-Chain Operations Reference-model (DCOR-model) released by Supply-Chain Council (SCC) in 2004, and a tree-structure methodology is presented for improving layout step in analog IC product development procedure. Moreover, an automatically systematic layout (ASL) system is constructed for implementing this methodology. Factually, layout seriously influences the end performance of analog IC product, and to develop analog IC products is really a time-consuming work. Furthermore, doing layout quite depends on designer’s experience and expertise. Therefore, one of the purposes for developing ASL system is to raise the product development efficiency. All possible layout patterns under the tree-structure methodology can be generated by ASL system in just few seconds, and then designer can pick out at least one alternative through alternative filters according to different situations. At last, an existing analog IC product is chosen as an example, and its layout is re-designed through ASL system. The comparison between the two different layout designs is listed in the following content.
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Jin, Wei-Han. "Development of Automatically Systematic Layout System for Analog IC Layout Design." 2007. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-0208200710192000.
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Cheng, Che-Hsin. "A GA-based Automatic Layout System for Analog IC Layout Design." 2008. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2307200813351500.
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Cheng, Che-Hsin, and 鄭哲欣. "A GA-based Automatic Layout System for Analog IC Layout Design." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/59486424607653287514.
Full textAbstract:
碩士國立臺灣大學
工業工程學研究所
96
Due to the continuous breakthrough of manufacturing process and market expansions in semiconductor industry, semiconductor product development time is more and more tighten for reducing time to market, and increasing the benefits of the upstream and downstream members in the design chain. The focus of this research is the development of automatic layout system which is expected to improve the layout design procedure for analog IC product developments. Obviously, layout extremely affects the performance of analog IC products, and it is truly a time-consuming work to develop an analog IC products. Moreover, the layout design procedure of analog IC highly depends on designer’s experience and expertise. In order to improve the efficiency of analog IC product development process, automatic layout system (ALS) is established in this research for providing layout design pattern quickly. Core chip area utility ratio, input/output relationship between components and the power consumption produced from thermal noise of analog circuits are concerned in automatic layout system, and layout patterns through a revised tree-structure methodology can be acquired quickly. The layout problem is solved through systematic layout planning (SLP) process flow and genetic algorithm (GA). Designers can acquire the suitable layout pattern immediately from automatic layout system. To verify this automatic layout system, two existing analog IC products are chosen as testing samples. The comparisons between actual layout and layout from automatic layout system are listed in the following content.
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Lin, Chang-Min, and 林昌民. "Template Centric Computer Aid Layout System." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/89762676891215828682.
Full textAbstract:
碩士國立臺北科技大學
電腦通訊與控制研究所
89
Layout Processing is a traditional problem, and it applys to many fields. For example, the electric circuits cannot be duplicated crossed on the arrangements of IC chips comes to be a very difficult object layout problem. At general publishing applications, for example, the layout of newspapers and magazines is also a contrivable problem. The layout processing is multifarious and takes a lot of time, and it also needs the professional designer with the knowledge of arts and esthetics to complete it.In these two limitations, the design of the layout algorithm that could be applied to all scopes will be very difficult. However, the algorithm now apply to some specific scopes could not be generally applied. Most of the desktop publishing now is completed by lots of human design and multifarious operations. The major research of the thesis is to provide an aid layout environment based on the desktop publishing problem. And we can apply it to the publishing of newspapers and magazines or the lay out of room space and the placements of furniture, even more, the viewing of the advertising boards…etc. The traditional desktop publishing needs lots of multifarious operations to complete it because of needing to follow certain rules. Our solution policy is to make a fast and convenient designing environment by fully utilize the repeating cooperations of computers and human beings. In the pass one more years, we research for the layout publishing subject. And our result includes “The High-Level Layout Pocedure”, “The Re-useable Layout Processing”, “The Tree Based Structure”, and “The Plane Partition Algebra”. The High-Level Procedure simplifies the publishing layout by utilize the repeating cooperations of computers and human beings and reuse the “Template” to remake the new layout. And it promotes the inter-relationship between people and space. We use the HV Tree based on the tree structure to record the space partition processing, and make it a template to be reused on space. Last of all, we represent the traditional space partitioning and object mapping by the mathematical statements of algebra symbol relationships and practically do them with the layout publishing. We can apply our research results to the layout publishing of newspapers and magazines or the designing of general home space to decrease the repeated Try & Error, and fastly get the acceptable patterns. In this research direction, besides the plane layout publishing by rectangular rules applied on magazines, we will also continuing research on the complicated case — the space partitioning and object mapping on irregularly shapes. We hope the layout publish processing will become the re-useable components, and this kinds of problems will be solved unitedly and not any professional skills on specific scopes.
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Lien, Jui-Heng, and 連睿恆. "Lift System Design and Track Layout." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/gbn8gx.
Full textAbstract:
碩士逢甲大學
工業工程學所
90
A Lift System is developed for medical purpose to move handicapped people. Its working patten is almost analogous to an Automated Guided Vehicle System that is usually used in a Material Handling System, however their purposes and control types are different. There wasn’t any literature to study a Lift System’s design and track layout before. Nowadays the disability’s right become emphasized, the Lift System would be utilized in hospitals, Health Care Institution and family to help disabilities soon. This research studies the Lift System design and the track layout in a Health Care Institution. The method first defines the number of bed rooms in the institution and speed of Lift Vehicle. A simulation tool is then utilized to simulate the system, and the system’s performance and character are observed. The results of simulation show that the performance of Single-Track layout is basically better than those of other two type layouts, especially under the situation of high vehicle speed . When only the number of bed rooms is considered, if bed room is increased to a few of number, the efficiency of Double-Track Layout is almost equal to that of Single-Track layout, or even better. In addition, Double-Track Layout would be better from the cost of view as the number of bed rooms and the disability need increase.
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Wen-ChiTseng and 曾文祈. "Yacht Space Layout Visualization System for Communication." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/18404928954738958263.
Full textAbstract:
碩士國立成功大學
工業設計學系碩博士班
100
Taiwan yacht builders has been dedicated in creating luxury yachts with great performance for years, and providing interior customization service to attract customers by building a unique luxury yacht based on personal needs. However, to provide interior customization service, the communication between customer and interior designer can be a complex and repeatedly procedure. To prevent the iterative situation of customer asking to change the layout design, we need to assist customers to evaluate which kind of layout designs is what they really want at the very beginning of interior customization design. Therefore, we modularized the layout designs and implemented a visualization system for designer demonstrating yacht space layout samples to customers. With this visualization system, customers can see the details of yacht space layout in an engaging and interactive way, realizing what they really want for the space layout based on their functional needs, and discuss further detail design issues with interior designer. To implement this visualization system, we used ISM (Interpretive Structural Modeling) for screening layout samples from top 20 yacht builders, create 3D models with 3ds MAX software and develop interactive functions with Unity3D game engine in C# language. The system evaluation is mainly on finding usability problems, done by twenty users with a series of usability engineering methods and sum up with a list of suggestions for system improvement.
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Jeng, Yu-sen, and 鄭鈺森. "VisualPathway: Biochemical Pathway Layout and Visualization System." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/56376110851430223916.
Full textAbstract:
碩士國立中正大學
資訊工程所
94
The public service for biology data retrieval becomes possible due to the improvements of computing power and network recently. A plenty of services have been explored that enable the efficient querying, but the querying results for a biological information retrieval system is usually in form of table and text. It is, however, difficult for researchers to realize important knowledge by reading those large text tables. In this thesis, we provide an interactive graphical tool, called VisualPathway, to assist researchers to assess biochemical pathway data. Through the graphical and interactive user interface, user can visually observe the structure of pathway and examine the properties. The tool also provide an efficient visualization for the pathway class hierarchy that allows people to retrieve information according to categories of interest. It is easy to use and also works well with existing data set on the internet.