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Full-Text Articles in Operations Research, Systems Engineering and Industrial Engineering
Robust System For Infection Control - An Industrial Systems Engineering Approach, Sundaravel Vinay Swarup Achudhan
Robust System For Infection Control - An Industrial Systems Engineering Approach, Sundaravel Vinay Swarup Achudhan
Department of Mechanical and Materials Engineering: Dissertations, Theses, and Student Research
Health care delivery in the United States needs improvement. Each year about 98,000 people die as a result of medical errors and the United States is outranked by a number of developed countries in life expectancy, mortality and comorbidity. Healthcare quality is determined based on the quality of the service provided to the patient during their visit. Apart from the traditional problem solving design and development tools used to improve healthcare quality, The National Academy of Engineering and the Institute of Medicine recommend systems engineering principle and systems engineering tools to be used in health care to improve the industry. …
Position/Speed Sensorless Control For Permanent-Magnet Synchronous Machines, Yue Zhao
Position/Speed Sensorless Control For Permanent-Magnet Synchronous Machines, Yue Zhao
Department of Electrical and Computer Engineering: Dissertations, Theses, and Student Research
Permanent-magnet synchronous machines (PMSMs) are widely used in industrial applications owing to their distinctive advantages, such as high efficiency, high power density, and wide constant power region. To achieve high-performance field oriented control, accurate rotor position information, which is usually measured by rotary encoders or resolvers, is indispensable. However, the use of these sensors increases the cost, size, weight, and wiring complexity and reduces the mechanical robustness and the reliability of the overall PMSM drive systems. The goal of the research for this dissertation was to develop a rotor position/speed sensorless control system with performance comparable to the sensor-based control …