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- Hast, Martin, et al.
(författare)
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Design of Optimal Low-Order Feedforward Controllers
- 2012
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Ingår i: 2nd IFAC Conference on Advances in PID Control 2012. - 9781627483247 ; , s. 483-488
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Konferensbidrag (refereegranskat)abstract
- Design rules for optimal feedforward controllers with lead-lag structure in the presence of measurable disturbances are presented. The design rules are based on stable first-order models with time delays, FOTD, and are optimal in the sense of minimizing the integrated-squared error. The rules are derived for an open-loop setting, considering a step disturbance. This paper also discusses a general feedforward structure, which enables decoupling in the design of feedback and feedforward controllers, and justifies the open-loop setting.
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- Hägglund, Maria, et al.
(författare)
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A New Approach for Goal-oriented Analysis of Healthcare Processes
- 2010
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Ingår i: World Congress on Medical and Health Informatics (Medinfo'10). - : IOS Press. ; 160:Pt 2, s. 1251-5
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- The development of efficient e-services for patient-centered healthcare requires insight into concrete problems in administrative and clinical work processes as well as an understanding of the strategic goals that should guide these healthcare processes. However, considering both concrete process-related problems and high-level strategic goals during process analysis and solution design can be proble-matic. To address this, we propose a structured approach for analyzing both high- and low-level goals in a healthcare process and relating these to identified problems. Thereby proposed solutions for each problem in form of, e.g. e-services can be connected to strategic goals. The approach consists of five steps; process modeling; process-based problem identification and classification; process goal identification; mapping to strategic goals; and solution pro-posal. The approach is illustrated by examples from a case study of Swedish stroke care. In conclusion, the approach enables analysis of high- and low-level goals in a healthcare process by relating these to identified problems. The results thereof form a basis for redefinition of current care processes, as well as for design of supporting e-health solu-tions.
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- Johnson, Urban, 1961-, et al.
(författare)
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Towards removing performance barriers : Prediction of burnout in female elite soccer players
- 2013
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Ingår i: International Week of Sport Psychology FEPSAC. ; , s. 24-24
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Konferensbidrag (refereegranskat)abstract
- Based on the study by Stambulova and Johnson* from 2010 it is reported that applied sport psychology (ASP) literature reveals several publications on reflective practice and professional philosophies. Still, few studies focus how novice consultants make the first steps in their careers. The objective of this lecture is to discuss lessons learned by students during their one-year ASP education and supervised practice in Sweden. In total thirty-seven ASP students took part in the study. Information was gathered from the students' final reports on their six-month interventions with athlete clients. Four categories were created named professional tools, consultant & client relationship, learning process and experiences, and professional philosophy and organized into three levels reflecting the students' learning process with the shifts from analysis to synthesis and from concrete to more generalized and strategic lessons learned. In the lecture results are discussed using career development, scientist-practitioner and cultural sport psychology perspectives.
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- Rodrigo, Vicent, et al.
(författare)
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Causal analysis for alarm flood reduction
- 2016
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Ingår i: 11th IFAC Symposium on Dynamics and Control of Process SystemsIncluding Biosystems. - : Elsevier BV. - 2405-8963. ; 49:7, s. 723-728
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Konferensbidrag (refereegranskat)abstract
- The introduction of distributed control systems and the high level of interconnectivity of modern process plants has caused alarm flooding to become one of the main problems in alarm management of process plants. A reduction of alarm flood periods contributes to a decrease in plant incidents. In this work, a combination of alarm log, process data and connectivity analysis is used to isolate consequence alarms originating from the same process abnormality and to provide a causal alarm suggestion. The effectiveness of the method is illustrated on an industrial case study of an ethylene plant, a typical example of a large-scale industrial system.
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