Search for dissertations about: "quality control department"

Showing result 1 - 5 of 55 swedish dissertations containing the words quality control department.

2. 1. Dryer Section Control in Paper Machines During Web Breaks

   Author : Jenny Ekvall; Mittuniversitetet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Dryer Section; Web breaks; Paper machine; steam pressure control; Physical modeling; Automatic control; Reglerteknik; Dryer section; paper machine; physical modeling; steam pressure control; web breaks;

   Abstract : Web breaks in the dryer section of a paper machine cause loss of production and quality problems. After a web break, the steam pressure in the cylinders must be reduced to avoid overheating. READ MORE

4. 2. Simulation-based feedback control of welding processes

   Author : Fredrik Sikström; Bengt Lennartson; Gunnar Bolmsjö; Högskolan Väst; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Finite element modelling; Heat transfer; Model order reduction; Sensors; Weld simulation Controller design; Automatic control; Reglerteknik; Manufacturing and materials engineering; Produktions- och materialteknik;

   Abstract : Fusion welding for joining of metals is an important manufacturing process widely used in industry, and very appreciated for its usefulness. This thesis presents a strategy dealing with the problem of designing feedback control for robotised welding. READ MORE

5. 3. Urban water management : Modelling, simulation and control of the activated sludge process

   Author : Mats Ekman; Bengt Carlsson; Uppsala universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Automatic Control; Reglerteknik;

   Abstract : During the last few decades, wastewater treatment processes in urban water management have become more and more efficient and complex. Several factors such as urbanization, stricter legislations on effluent quality, economics, increased knowledge of the involved biological, chemical and physical processes as well as technical achievements have been important incentives for the development of more efficient procedures for wastewater treatment plants. READ MORE

6. 4. Quality-driven logistics

   Author : Roy Andersson; Högskolan i Borås; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TQM; risk management; supply chain; demand chain; agile; six sigma; lean; quality management;

   Abstract : The overall objective of this thesis is to describe and explain how different quality management philosophies can be combined in the supply/demand chain, in order to contribute to its resilience. The analysis is both quantitative and qualitative, based on theory and literature related to TQM, Lean, Agile and Six Sigma, one literature study and three case studies that were performed in companies. READ MORE

7. 5. Planning and Control of Healthcare Services

   Author : Agneta Larsson; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Surgery time estimation; Emergency department; Surgery; Team-based working method; Planning and control;

   Abstract : The focus of this study is on the planning of the production of healthcare services for the group of patients in need of surgical treatments. The aim of the thesis is to contribute to the understanding of how planning and control of healthcare services impacts patient waiting time. READ MORE