Jansen, David Elmar Frederick.
Thesis (MTech (Business))--Peninsula Technikon, 2003. / Word processed copy. Summary in English. Includes bibliographical references (leaves 132-140). Also available online
Foo, King Chun (Derek)
31 January 2011
Performance regression refers to the phenomena where the application performance degrades compared to prior releases. Performance regressions are unwanted side-effects caused by changes to application or its execution environment. Previous research shows that most problems experienced by customers in the field are related to application performance. To reduce the likelihood of performance regressions slipping into production, software vendors must verify the performance of an application before its release. The current practice of performance verification is carried out only at the implementation level through performance tests. In a performance test, service requests with intensity similar to the production environment are pushed to the applications under test; various performance counters (e.g., CPU utilization) are recorded. Analysis of the results of performance verification is both time-consuming and error-prone due to the large volume of collected data, the absence of formal objectives and the subjectivity of performance analysts. Furthermore, since performance verification is done just before release, evaluation of high impact design changes is delayed until the end of the development lifecycle. In this thesis, we seek to improve the effectiveness of performance verification. First, we propose an approach to construct layered simulation models to support performance verification at the design level. Performance analysts can leverage our layered simulation models to evaluate the impact of a proposed design change before any development effort is committed. Second, we present an automated approach to detect performance regressions from results of performance tests conducted on the implementation of an application. Our approach compares the results of new tests against counter correlations extracted from performance testing repositories. Finally, we refine our automated analysis approach with ensemble-learning algorithms to evaluate performance tests conducted in heterogeneous software and hardware environments. / Thesis (Master, Electrical & Computer Engineering) -- Queen's University, 2011-01-31 15:53:02.732
Noble, Jonathan Scott,
Thesis (Ph. D.)--Ohio State University, 2003. / Title from first page of PDF file. Document formatted into pages; contains x, 253 p. Includes bibliographical references (p. 235-253). Available online via OhioLINK's ETD Center
Case Study: The effect of pallet design on the performance of semi-automatic and fully-automatic warehousesMejias Rojas, Alina 05 June 2020 (has links)
Pallets form the base of the unit load, which is the basis for global trade transportation. In order to achieve better performance, improve efficiency, and compete in much more versatile markets, industrial activities and pallet management service firms are becoming more automated than ever; they are adopting advanced manufacturing technologies and flexible manufacturing systems. This study focuses on the investigation of the most common compatibility issues between pallets and material handling systems in semi-automated and fully-automated warehouses. At the same time, it establishes an understanding of the downtime and frequency of problems caused by pallets in these types of facilities. This research was conducted in two phases. The primary phase was a mix mode questionnaire (phone interview and hard copy questionnaire) that was used to survey members of different industries, such as pallet manufacturers, equipment manufacturers, and pallet users. The secondary phase surveyed multiple general warehouses and storage facilities around the U.S., and surveyed warehouse professionals from manufacturing companies in the pharmaceutical, petroleum, dairy, beverage, chemical, and tobacco industries, to name a few. Results showed that 3% of the respondent warehouses are fully automated, and 20-30 % are semi-automated. Additionally, block class wooden pool pallets were identified as the most common pallet class used in semi/fully automated warehouses, followed closely by the use of stringer class recycled wooden pallets. Despite this, stringer class recycled wooden pallets were identified as the main pallet class involved in pallet related downtime in semi/ fully automated warehouses/ DC facilities. Further results present a guideline for improving automated warehouse performance, determine the pallet characteristics needed for this type of application, and expands the knowledge around downtime frequency cause by pallet related issues in these types of systems. / Master of Science / Pallets are the main tool used to transport unit loads throughout the different supply chains worldwide. Currently, industrial activities are becoming more automated than ever; in order to achieve better performance, improve efficiency, and compete in much more versatile markets. This study investigates the most common compatibility issues between pallets and material handling systems, used in semi-automatic and fully-automatic warehouses. Additionally, it presents the downtime and frequency of problems caused by pallets in these types of facilities. This research was conducted in two phases. The first phase identified the most common compatibility issues between pallets and these types of systems; this phase was achieved by surveying members of different industries such as pallet manufacturers, equipment manufacturers, and pallet users. The second phase targeted multiple general warehouses and storage facilities around the U.S.; during this phase, the frequency and downtime of the most common compatibility issues were determined. Results from this investigation present a guideline for improving automatic warehouse performance, determine the pallet characteristics needed for this type of application, and expands the knowledge around downtime frequency cause by pallet related issues in these types of systems.
No description available.
Efficiency in the public sector : an analysis of performance measurements employed by the Western Cape Provincial Treasury /Bester, Albertus Viljoen. January 2007 (has links)
Thesis (MPA)--University of Stellenbosch, 2007. / Bibliography. Also available via the Internet.
01 January 2005
Anita Endsley will portray the role of Sister Mary Hubert in the musical Nunsense at Seaside Music Theatre in Daytona Beach, Florida from October 28 through November 14, 2005. This parody of convent life in crisis written by Dan Goggin provides a breadth of material for analysis of the genre as well as character analysis. Dissecting the comedy will be the foundation for characteer development. The popularity of this musical among Catholic and non-Catholic audiences have created a market that inspired the writer to extend this theme through five sequels. The commercial success of these musicals suggest a strong connection between the demands of the Catholic doctrine and the foundation for comic relief. A vast amount of research can be incorporated to assist in the analysis of comedy written into Nunsense.
Prowse, Peter J., Prowse, Julie M.
13 November 2009
No / This paper aims to evaluate the aims and methods of appraisal, and the difficulties encountered in the appraisal process. The paper uses a review of the literature to evaluate the development of appraisals and argues that the critical area of line management development that was identified as a critical success factor in appraisals has been ignored in the later literature evaluating the effectiveness of performance appraisals. The review identifies the lack of theoretical development in appraisal and argues the psychological approach of analysis and a more critical realisation of appraisal, re‐evaluating the challenge to remove subjectivity and bias in judgement of appraisal. Further evaluation of key interpersonal skills is required for appraisal systems to develop performance. The use and design of performance pay in public and private services linked to appraisal have not always improved organisational performance and can contribute to reduced motivation. Little research has evaluated the current increases in using appraisals and the changes in focus from appraisal to performance management. The paper adds value to the existing body of knowledge and offers insights for practitioners and researchers.
Challenges on the employees perfomance in operations and productivity environment: a case for Khumani mine / Nkge Joseph MasegoMasego, Nkge Joseph January 2013 (has links)
This dissertation defined employee performance and the challenges experienced by each individual employee during the operation setting. All the factors such as the conditions, tools used and understanding the setting are being researched. Despite this, the clear multidisciplinary approach, the field of performance management has developed from diverse origins. Different measurement and management techniques and approaches have developed independently. Personnel (or HR) have been concerned with managing the performance of people. Performance management from these disparate disciplines has begun to converge and recognize the need for integration into a multidisciplinary approach to managing performance. The management discipline which most often associates itself with the term is in Human Resources. Performance management is often associated with the management of the performance of people. However, in the HR field the best practice emphasizes the contribution of people to the achievement of organizational performance. From the HR field Armstrong and Baron highlight the importance of performance management being strategic, integrated (vertical, functional, HR integration and integration of individual needs), concerned with performance improvement and concerned with development. Performance management should be integrated horizontally across the organization; The performance being managed should reflect the requirements, wants and needs of all of the key stakeholders of the organization and not just reflect a limited set. Performance management should be integrated vertically linking the strategies and objectives of the organization to the execution of activities which will enable their achievement. Explicit understanding of linkages across the vertical and horizontal integration (e.g. through success maps) enables consideration of conflicting priorities and trade-offs that need to be made in order to achieve overall objectives. The performance monitoring, review and action planning process should be structured around the strategic performance objectives of the organization. / Thesis (MBA) North-West University, Mafikeng Campus, 2013
Wang, Jinhua, 王锦华
Building performance assessment must address questions of "who", "what" and "how" to assess, it can be summarized in a formula: Context + Mechanism = Outcome, the context includes two parts, type of building and performance subject. A typical research work will choose one type of building and one subject, and develop a tool for it and do some analysis on the outcome. The research works of this kind are abundant. But in terms of mechanism, they are actually much alike, of which the two most typical ones are Professional-only model and POE process. The absence of practice to enhance the users’ capacity to conduct building performance assessment triggers the author to introduce the concept of usability, with spirit of “getting closer to users”, and to propose a usability assessment framework to fill up this gap in research field. The exploration of usability assessment is divided into two parts: theoretical construction and practical implementation. In the first part, author will review relevant theories at roots (including at least community psychology, evaluation capacity building (ECB), process in use and equal opportunity theory) and general empowerment evaluation, to come up with a tentative usability assessment framework, of which the empowerment evaluation is the key element, which is initially defined by Fetterman (1994) as “the use of evaluation concepts and techniques to foster self-determination", it takes the “give someone a fish and you feed her for one day; teach her to fish, and she will feed herself for the rest of her life” concept. The second part of practical implementation is dealing with some aspects identified in the first part. Indoor Environmental Quality (IEQ) is chosen as the subject and School type buildings are selected, together they form the case study for new practice’s demonstration and development. In each case, participant observation will be employed for addressing issues of “giving empowerment evaluation” and “effective empowerment settings”. Survey will be used for addressing the aspect of “user interpretation of performance assessment”. It must be emphasized that theoretical construction is the crux of the study, the second implementation part will serve to address certain aspects identified in part one and help to refine the framework in addition to demonstrate it in reality. The results are analyzed and the lessons learned are discussed in chapter 6 and the tentative framework was refined correspondingly. This study breaks the routine of current typical researches only focus on results and pays attention to evaluation process as well. It tempers the ethos of the generalization from building performance assessment results by professionals with a fresh emphasis on specificity of each particular building through a generalizable mechanism by users so that the usability could be enhanced. The new roles for building professionals and users were created. This study constructs the theoretical foundation for further development, which would enrich or complement current practices in many aspects. / published_or_final_version / Real Estate and Construction / Doctoral / Doctor of Philosophy
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