Results 331 to 340 of about 5,120,899 (402)

Observer variation and clinical decision making

Fertility and Sterility, 1997
Ben W.J. Mol, Fulco van der Veen, Jeroen G. Lijmer, Patrick M.M. Bossuyt   +3 more
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Predictive Torque Control of Induction Motor Based on a Robust Integral Sliding Mode Observer

IEEE transactions on industrial electronics (1982. Print), 2023
The parameter estimators and the disturbance observers are two widely used methods for the robustness improvement of the model predictive control schemes. This article presents a hybrid solution to improve the robustness of predictive torque control (PTC)
M. Mousavi, S. Davari, Vahab Nekoukar, C. Garcia, Long He, Fengxiang Wang, José Raúl Rodríguez Rodríguez   +6 more
semanticscholar   +1 more source

Model-Free Predictive Current Control of PMSM Drives Based on Extended State Observer Using Ultralocal Model

IEEE transactions on industrial electronics (1982. Print), 2021
Conventional model predictive current control (MPCC) is a powerful control strategy for three-phase inverters that has the advantages of simple concept, quick response, easy implementation, and good performance.
Yongchang Zhang, Jialin Jin, Lanlan Huang   +2 more
semanticscholar   +1 more source

Observer variation and depressive phenomenology

Psychological Medicine, 1977
SynopsisAn investigation into observer variation and depressive phenomenology is described. A group of 6 clinicians independently completed a 43-item sheet for 20 depressed patients at the same clinical interview. The coefficient of agreements on the items are given.
Graham D. Burrows, James Stevenson, Abraham Verghese, Brian Davies, George Foenander   +4 more
openaire   +3 more sources

Observer variation in the detection of osteopenia

Skeletal Radiology, 1986
In order to determine observer variation in the detection of osteopenia, 15 pairs of lateral chest radiographs obtained within two weeks of each other were reviewed separately by two radiologists and one orthopedist on three separate occasions. Intra- and interobserver variations were calculated for each individual film and film pairs using Kappa ...
D M Epstein, Harold L. Kundel, David L. Marinelli, Judith M. Aronchick, Frederick S. Kaplan, Murray K. Dalinka   +5 more
openaire   +3 more sources

Comments on the observability of coronal variations

Solar Physics, 1988
The observable variability of spectral lines in the soft X-ray and XUV region is discussed. Rapid variability of coronal emission, both in flaring and non-flaring structures, has been reported and is particularly prominent when high spatial resolution is available.
Leon Golub, Alice C. Quillen, Alice C. Quillen, T. W. Hartquist   +3 more
openaire   +3 more sources

Observer Variation in Bronchographic Diagnosis

The British Journal of Radiology, 1958
Observer variation* in the interpretation of chest radiographs has been estimated by a number of workers (Birkelo, Chamberlain, Phelps, Schools, Zacks and Yerushalmy, 1947; Cochrane and Garland, 1952; Fletcher and Oldham, 1949; Garland, 1949; Springett, 1956; Stradling and Johnston, 1953; Yerushalmy, Harkness, Cope and Kennedy, 1950; Yerushalmy ...
Peter Stradling, Bryan Gandevia
openaire   +3 more sources

Observer Variation in Abdominal CT

Investigative Radiology, 1984
Observer performance in radiologic interpretation has traditionally been based upon Receiver Operating Characteristic (ROC) analysis. A statistical method that evaluates the reproducibility or consistency of radiologic interpretation is presented. Since this method is not based upon pathologic verification, it cannot be used to assess accuracy of ...
Ivan F. Majesky, Gerrit Deboer, S. Herman, David F. Rideout   +3 more
openaire   +3 more sources

Observer variation in skeletal radiology

Skeletal Radiology, 1983
The factors that affect observer variation in bone radiology are analysed from data in the literature and on the basis of studies carried out at McMaster University on the hands and sacroiliac joints. A plea is made for presenting results in terms of Kappa statistics so that agreement due purely to chance is eliminated.
W M Park, W P Cockshott
openaire   +2 more sources

Observer variation in the assessment of resin composite

Dental Materials, 1998
The aim of this study was to compare the type of information obtained from log-linear modelling vs Cohen's kappa statistics on observer variation in the assessment of marginal adaptation in composite inlays and amalgam restorations.Marginal adaptation of Class II resin composite inlays and amalgam restorations was clinically assessed by two observers ...
Tobi, H., Groen, H.J., Kreulen, C.M., Amerongen, W.E. van   +3 more
openaire   +4 more sources