Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 58 for “"Tardiness"”.
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A Comparative Analysis Of Tardiness Policies Of Elementary Schools
<p>Previous research has shown that student tardiness has been a challenge for educators as far back as the institution of modern schooling. While there has been considerable research about student absenteeism, student tardiness remains an under researched area, particularly at the elementary …
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Job shop scheduling to minimize work-in-process, earliness and tardiness costs
… Work in process (WIP) holding, earliness and tardiness cost.Schedule generation procedures including idle time insertion are studied to generate feasible schedule for JIT-JSP. A modified tabu search algorithm (MTS) is developed to improve the schedule quality by searching the neighborhood for …
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Best Practices Employed by Georgia High School Administrators to Reduce Student Tardiness
The problem of student tardiness was reported by principals over the past two decades as being one of the major problems facing 21st century high schools. This study employed a mixed methods approach and utilized one Georgia school district's student tardiness data for one school year to …
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Minimization of weighted tardiness in job shops using shifting bottleneck and tabu search procedures
… in the presence of due dates is weighted tardiness since it can capture the cost of contractual penalties and other losses to an organization. This research work concentrates on the problem of minimizing the total weighted tardiness in classical job shops. Job shop scheduling problems are …
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Exact and Heuristic Algorithms for the Job Shop Scheduling Problem with Earliness and Tardiness Over a Common Due Date
… the objective is to minimize both earliness and tardiness costs over a common due date. The objective function of minimizing earliness and tardiness costs captures the essence of the JIT approach in job shops. A dynamic programming procedure is developed to solve smaller instances of the problem, …
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Employee lateness: Identifying correlates of lateness by applying the Steers and Rhodes Process Model of Attendance
… Therefore, a study of employee lateness, or tardiness, was conducted with a sample of 181 factory workers. This study utilized The Steers and Rhodes Process Model of Attendance (1978). Subject responses to a questionnaire provided information on 27 independent variables which were compared …
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Mathematical Models and Genetic Algorithm Approaches to Simultaneously Perform Workforce Overtime Capacity Planning and Schedule Cells
… to minimize the number tardy jobs or total tardiness. Two different problems are considered; Problem1, to maximize the total profits by delivering jobs on or before time. The tardy jobs in this case are considered as lost sales. Problem2, to minimize the total tardiness and overtime costs. …
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Some topics on deterministic scheduling problems
… and with the total completion time and the total tardiness as the secondary criterion, respectively. Both problems are shown to be NP-hard. Then it focuses on bi-criteria scheduling problems involving the number of tardy jobs, the maximum weighted tardiness and the maximum tardiness. NP-hardness …
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A Mathematical Programming Based Procedure for the Scheduling of Lots in a Wafer Fab
… period is determined, such that the total tardiness of the product orders is minimized over the planning horizon. Second, the schedule of these lots is determined so that the cycle time of each lot released into the system is minimized. Thus, the performance measures based both on due dates …
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Workload analysis and scheduling policies for a document processing centre
… objective of this project is to reduce the tardiness of the delivery of steel materials and identify the reasons behind the delay. The initial stage of this attachment is devoted to understanding the process flow of the department. Analysis has been done to pinpoint to the exact causes of …
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Bicriteria optimization of schedules on one and two machines
… considered are those of minimization of maximum tardiness and minimization of the total number of tardy jobs in the schedule. The former is considered as the primary criterion while the latter is considered as the secondary criterion. For the single machine problem, a search tree method is …
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Optimization Models and Approximate Algorithms for the Aerial Refueling Scheduling and Rescheduling Problems
… (machines) to minimize the total weighted tardiness. ARSP can be modeled as a parallel machine scheduling with release times and due date-to-deadline window. ARSP assumes that the jobs have different release times, due dates, and due date-to-deadline windows between the refueling due date …
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Operating room utilization and turnover behavioral study
… calculated from the proposed distribution. The tardiness of case starts prohibit OR from achieving optimum efficiency as they causes over-utilized OR time and cancellations. Given limited resources, it is critical for the OR management to prioritize the tackling of tardiness. An iterative …
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The permutation flowshop scheduling problem: analysis, solution procedures and problem extensions
… time and due-date-based objectives (total tardiness, and total earliness and tardiness). 2. To analyse the influence of the processing times and due dates of the jobs on the PFSP. 3. To provide schedulers with faster and more efficient heuristics and metaheuristics to solve the PFSP for …
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The Effect of Long Commuting on Students’ Academic Performance in Day Community Secondary Schools in Tanzania: A Case of Songea Municipal Council
… the influence of long commuting on student’s tardiness, truancy,school transfer and drop outs and its effects on teaching and learning processes and its relationship to poor academic performance.A total of 163 long commuting students, class teachers and school heads participated in this study. …
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Comparison of Scheduling Algorithms for a Multi-Product Batch-Chemical Plant with a Generalized Serial Network
… production scheduling algorithms to minimize tardiness for a multi-product batch plant involving multiple processing stages with several out-of-phase parallel machines in each stage; and 2. compare the robustness and performance of these production schedules using a stochastic discrete event …
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Resource Cost Aware Scheduling Problems
… such as weighted completion time and weighted tardiness among others. In our work we make several contributions to the problem of scheduling with non-renewable resources. For the specific setting in which only energy consumption is the important resource, our contributions are the following. We …
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Learning-Inhibiting Problems Experienced by Middle School Teachers: Implications for Staff Development
… problems (chronic talking, refusing request, tardiness, inattentiveness, talking back to teachers) experienced by middle school teachers in the classroom. The only null hypothesis rejected was that no statistically significant difference existed between 0-5 years of teaching experience and the …
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Optimization Models and Algorithms for Spatial Scheduling
… problems having an objective of minimizing total tardiness, the models are shown to contain a core set of constraints that are common to most spatial scheduling problems. As a result, these constraints form the basis of the models given in this dissertation and many other spatial scheduling …
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