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1. Hollow Fiber Membrane Contactors for Post-Combustion CO2 Capture: A Scale-Up Study from Laboratory to Pilot Plant

Author

Chabanon E., Kimball E., Favre E., Lorain O., Goetheer E., Ferre D., Gomez A., and Broutin P.

Subjects
Chemical technology, TP1-1185, Energy industries. Energy policy. Fuel trade, HD9502-9502.5
Abstract

Membrane contactors have been proposed for decades as a way to achieve intensified mass transfer processes. Post-combustion CO2 capture by absorption into a chemical solvent is one of the currently most intensively investigated topics in this area. Numerous studies have already been reported, unfortunately almost systematically on small, laboratory scale, modules. Given the level of flue gas flow rates which have to be treated for carbon capture applications, a consistent scale-up methodology is obviously needed for a rigorous engineering design. In this study, the possibilities and limitations of scale-up strategies for membrane contactors have been explored and will be discussed. Experiments (CO2 absorption from a gas mixture in a 30%wt MEA aqueous solution) have been performed both on mini-modules and at pilot scale (10 m2 membrane contactor module) based on PTFE hollow fibers. The results have been modelled utilizing a resistance in series approach. The only adjustable parameter is in fitting the simulations to experimental data is the membrane mass transfer coefficient (km), which logically plays a key role. The difficulties and uncertainties associated with scaleup computations from lab scale to pilot scale modules, with a particular emphasis on the km value, are presented and critically discussed.

Published
2014
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2. Responses of European forest ecosystems to 21st century climate: assessing changes in interannual variability and fire intensity

Author

Dury M, Hambuckers A, Warnant P, Henrot A, Favre E, Ouberdous M, and François L

Subjects
Productivity, Soil water, Fire disturbance, Climate change, Modelling, Forestry, SD1-669.5
Abstract

Significant climatic changes are currently observed and, according to projections, will be strengthened over the 21st century throughout the world with the continuing increase of the atmospheric CO2 concentration. Climate will be generally warmer with notably changes in the seasonality and in the precipitation regime. These changes will have major impacts on the biodiversity and the functioning of natural ecosystems. The CARAIB dynamic vegetation model driven by the ARPEGE/Climate model under forcing from the A2 IPCC emission scenario is used to illustrate and analyse the potential impacts of climate change on forest productivity and distribution as well as fire intensity over Europe. The potential CO2 fertilizing effect is studied throughout transient runs of the vegetation model over the 1961-2100 period assuming constant and increasing atmospheric CO2 concentration. Without fertilisation effect, the net primary productivity (NPP) might increase in high latitudes and altitudes (by up to 40 % or even 60-100 %) while it might decrease in temperate (by up to 50 %) and in warmer regions, e.g., Mediterranean area (by up to 80 %). This strong decrease in NPP is associated with recurrent drought events occurring mostly in summer time. Under rising CO2 concentration, NPP increases all over Europe by as much as 25-75%, but it is not clear whether or not soils might sustain such an increase. The model indicates also that interannual NPP variability might strongly increase in the areas which will undergo recurrent water stress in the future. During the years exhibiting summer drought, the NPP might decrease to values much lower than present-day average NPP even when CO2 fertilization is included. Moreover, years with such events will happen much more frequently than today. Regions with more severe droughts might also be affected by an increase of wildfire frequency and intensity, which may have large impacts on vegetation density and distribution. For instance, in the Mediterranean basin, the area burned by wildfire can be expected to increase by a factor of 3-5 at the end of the 21st century compared to present.

Published
2011
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5. List of contributors

Author

Abejón, R., primary, Alique, D., additional, Barbieri, G., additional, Blasi, A., additional, Boyer, G., additional, Brunetti, A., additional, Campos, D.A., additional, Capizzano, S., additional, Cassano, A., additional, Castro-Muñoz, R., additional, Colpan, C.O., additional, Conidi, C., additional, Coste-Maniere, I., additional, Criscuoli, A., additional, Drioli, E., additional, Favre, E., additional, Figoli, A., additional, Galiano, F., additional, Garcia-Castello, E.M., additional, Gerasopoulos, K., additional, Iaquaniello, G., additional, Ismail, A.F., additional, Iulianelli, A., additional, Macedonio, F., additional, Mannu, N., additional, Marzoughi, T., additional, Monsuur, F., additional, Nalbant Atak, Y., additional, Oliveira, A.S., additional, Palo, E., additional, Papageorgiou, C.S., additional, Paraskeva, C.A., additional, Petrotos, K., additional, Pintado, M., additional, Rabasso, N., additional, Rahimpour, E., additional, Rahimpour, M.R., additional, Rodriguez-Lopez, A.D., additional, Russo, F., additional, Salladini, A., additional, Sangiorgio, P., additional, Sean, G.P., additional, Ursino, C., additional, Verardi, A., additional, Vilas-Boas, A.A., additional, Vivian, A., additional, Yahya, E., additional, Zagklis, D.P., additional, and Zito, P.F., additional

Published
2022
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9. Dietary practices in propionic acidemia: A European survey

Author

Daly, A., Pinto, A., Evans, S., Almeida, M.F., Assoun, M., Belanger-Quintana, A., Bernabei, S.M., Bollhalder, S., Cassiman, D., Champion, H., Chan, H., Dalmau, J., de Boer, F., de Laet, C., de Meyer, A., Desloovere, A., Dianin, A., Dixon, M., Dokoupil, K., Dubois, S., Eyskens, F., Faria, A., Fasan, I., Favre, E., Feillet, F., Fekete, A., Gallo, G., Gingell, C., Gribben, J., Kaalund Hansen, K., Ter Horst, N.M., Jankowski, C., Janssen-Regelink, R., Jones, I., Jouault, C., Kahrs, G.E., Kok, I.L., Kowalik, A., Laguerre, C., Le Verge, S., Lilje, R., Maddalon, C., Mayr, D., Meyer, U., Micciche, A., Och, U., Robert, M., Rocha, J.C., Rogozinski, H., Rohde, C., Ross, K., Saruggia, I., Schlune, A., Singleton, K., Sjoqvist, E., Skeath, R., Stolen, L.H., Terry, A., Timmer, C., Tomlinson, L., Tooke, A., Vande Kerckhove, K., van Dam, E., van den Hurk, T., van der Ploeg, L., van Driessche, M., van Rijn, M., van Wegberg, A., Vasconcelos, C., Vestergaard, H., Vitoria, I., Webster, D., White, F.J., White, L., Zweers, H., and MacDonald, A.

Published
2017
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10. Dietary practices in isovaleric acidemia: A European survey

Author

Pinto, A., Daly, A., Evans, S., Almeida, M.F., Assoun, M., Belanger-Quintana, A., Bernabei, S., Bollhalder, S., Cassiman, D., Champion, H., Chan, H., Dalmau, J., de Boer, F., de Laet, C., de Meyer, A., Desloovere, A., Dianin, A., Dixon, M., Dokoupil, K., Dubois, S., Eyskens, F., Faria, A., Fasan, I., Favre, E., Feillet, F., Fekete, A., Gallo, G., Gingell, C., Gribben, J., Kaalund-Hansen, K., Horst, N., Jankowski, C., Janssen-Regelink, R., Jones, I., Jouault, C., Kahrs, G.E., Kok, I.L., Kowalik, A., Laguerre, C., Le Verge, S., Lilje, R., Maddalon, C., Mayr, D., Meyer, U., Micciche, A., Robert, M., Rocha, J.C., Rogozinski, H., Rohde, C., Ross, K., Saruggia, I., Schlune, A., Singleton, K., Sjoqvist, E., Stolen, L.H., Terry, A., Timmer, C., Tomlinson, L., Tooke, A., Vande Kerckhove, K., van Dam, E., van den Hurk, T., van der Ploeg, L., van Driessche, M., van Rijn, M., van Teeffelen-Heithoff, A., van Wegberg, A., Vasconcelos, C., Vestergaard, H., Vitoria, I., Webster, D., White, F.J., White, L., Zweers, H., and MacDonald, A.

Published
2017
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12. The Neurological Pupil index for outcome prognostication in people with acute brain injury (ORANGE): a prospective, observational, multicentre cohort study

Author

Oddo, M, Taccone, F, Petrosino, M, Badenes, R, Blandino-Ortiz, A, Bouzat, P, Caricato, A, Chesnut, R, Feyling, A, Ben-Hamouda, N, Hemphill, J, Koehn, J, Rasulo, F, Suarez, J, Elli, F, Vargiolu, A, Rebora, P, Galimberti, S, Citerio, G, Abed-Maillard, S, Anderloni, M, Beretta, A, Cho, S, Del Bianco, S, Favre, E, Greil, M, Guglielmi, A, Higuera Lucas, J, Iacca, C, Kuramatsu, J, Lundberg, L, Magni, F, Malgeri, L, Mangili, P, Melchionda, I, Miroz, J, Monleón, B, Randazzo, D, Salah, S, Scavone, A, Schilte, C, Silva, S, Sunde, K, Wang, R, Oddo, Mauro, Taccone, Fabio S, Petrosino, Matteo, Badenes, Rafael, Blandino-Ortiz, Aaron, Bouzat, Pierre, Caricato, Anselmo, Chesnut, Randall M, Feyling, Anders C, Ben-Hamouda, Nawfel, Hemphill, J Claude, Koehn, Julia, Rasulo, Frank, Suarez, Jose I, Elli, Francesca, Vargiolu, Alessia, Rebora, Paola, Galimberti, Stefania, Citerio, Giuseppe, Abed-Maillard, Samia, Anderloni, Marco, Beretta, Alessandra, Cho, Sung-Min, Del Bianco, Silvia, Favre, Eva, Greil, Madeline E., Guglielmi, Angelo, Higuera Lucas, Juan, Iacca, Cosimo, Kuramatsu, Joji B., Lundberg, Linda Marie, Magni, Federico, Malgeri, Letterio, Mangili, Paolo, Melchionda, Isabella, Miroz, John-Paul, Monleón, Berta, Randazzo, Dominica, Salah, Samia, Scavone, Angela, Schilte, Clothilde, Silva, Serena, Sunde, Kjetil, Wang, Ruihao, Oddo, M, Taccone, F, Petrosino, M, Badenes, R, Blandino-Ortiz, A, Bouzat, P, Caricato, A, Chesnut, R, Feyling, A, Ben-Hamouda, N, Hemphill, J, Koehn, J, Rasulo, F, Suarez, J, Elli, F, Vargiolu, A, Rebora, P, Galimberti, S, Citerio, G, Abed-Maillard, S, Anderloni, M, Beretta, A, Cho, S, Del Bianco, S, Favre, E, Greil, M, Guglielmi, A, Higuera Lucas, J, Iacca, C, Kuramatsu, J, Lundberg, L, Magni, F, Malgeri, L, Mangili, P, Melchionda, I, Miroz, J, Monleón, B, Randazzo, D, Salah, S, Scavone, A, Schilte, C, Silva, S, Sunde, K, Wang, R, Oddo, Mauro, Taccone, Fabio S, Petrosino, Matteo, Badenes, Rafael, Blandino-Ortiz, Aaron, Bouzat, Pierre, Caricato, Anselmo, Chesnut, Randall M, Feyling, Anders C, Ben-Hamouda, Nawfel, Hemphill, J Claude, Koehn, Julia, Rasulo, Frank, Suarez, Jose I, Elli, Francesca, Vargiolu, Alessia, Rebora, Paola, Galimberti, Stefania, Citerio, Giuseppe, Abed-Maillard, Samia, Anderloni, Marco, Beretta, Alessandra, Cho, Sung-Min, Del Bianco, Silvia, Favre, Eva, Greil, Madeline E., Guglielmi, Angelo, Higuera Lucas, Juan, Iacca, Cosimo, Kuramatsu, Joji B., Lundberg, Linda Marie, Magni, Federico, Malgeri, Letterio, Mangili, Paolo, Melchionda, Isabella, Miroz, John-Paul, Monleón, Berta, Randazzo, Dominica, Salah, Samia, Scavone, Angela, Schilte, Clothilde, Silva, Serena, Sunde, Kjetil, and Wang, Ruihao

Abstract

Background Improving the prognostication of acute brain injury is a key element of critical care. Standard assessment includes pupillary light reactivity testing with a hand-held light source, but findings are interpreted subjectively; automated pupillometry might be more precise and reproducible. We aimed to assess the association of the Neurological Pupil index (NPi)—a quantitative measure of pupillary reactivity computed by automated pupillometry— with outcomes of patients with severe non-anoxic acute brain injury. Methods ORANGE is a multicentre, prospective, observational cohort study at 13 hospitals in eight countries in Europe and North America. Patients admitted to the intensive care unit after traumatic brain injury, aneurysmal subarachnoid haemorrhage, or intracerebral haemorrhage were eligible for the study. Patients underwent automated infrared pupillometry assessment every 4 h during the first 7 days after admission to compute NPi, with values ranging from 0 to 5 (with abnormal NPi being <3). The co-primary outcomes of the study were neurological outcome (assessed with the extended Glasgow Outcome Scale [GOSE]) and mortality at 6 months. We used logistic regression to model the association between NPi and poor neurological outcome (GOSE ≤4) at 6 months and Cox regression to model the relation of NPi with 6-month mortality. This study is registered with ClinicalTrials.gov, NCT04490005. Findings Between Nov 1, 2020, and May 3, 2022, 514 patients (224 with traumatic brain injury, 139 with aneurysmal subarachnoid haemorrhage, and 151 with intracerebral haemorrhage) were enrolled. The median age of patients was 61 years (IQR 46–71), and the median Glasgow Coma Scale score on admission was 8 (5–11). 40 071 NPi measurements were taken (median 40 per patient [20–50]). The 6-month outcome was assessed in 497 (97%) patients, of whom 160 (32%) patients died, and 241 (47%) patients had at least one recording of abnormal NPi, which was associated with poor neurol

Published
2023

15. Dietary management of urea cycle disorders: European practice

Author

Adam, S., Almeida, M.F., Assoun, M., Baruteau, J., Bernabei, S.M., Bigot, S., Champion, H., Daly, A., Dassy, M., Dawson, S., Dixon, M., Dokoupil, K., Dubois, S., Dunlop, C., Evans, S., Eyskens, F., Faria, A., Favre, E., Ferguson, C., Goncalves, C., Gribben, J., Heddrich-Ellerbrok, M., Jankowski, C., Janssen-Regelink, R., Jouault, C., Laguerre, C., Le Verge, S., Link, R., Lowry, S., Luyten, K., MacDonald, A., Maritz, C., McDowell, S., Meyer, U., Micciche, A., Robert, M., Robertson, L.V., Rocha, J.C., Rohde, C., Saruggia, I., Sjoqvist, E., Stafford, J., Terry, A., Thom, R., Vande Kerckhove, K., van Rijn, M., van Teeffelen-Heithoff, A., Wegberg, A.van, van Wyk, K., Vasconcelos, C., Vestergaard, H., Webster, D., White, F.J., Wildgoose, J., and Zweers, H.

Published
2013
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34. Universal School-Based Intervention Does Not Reduce Socioeconomic Inequalities in Weight Status among Adolescents

Author

Manneville, Florian, Omorou, Abdou, Legrand, Karine, Langlois, Johanne, Lecomte, Edith, Guillemin, Francis, Briançon, Serge, AGRINIER, N., Angel, N., Ancellin, R., Aptel, E., Bailly, F., Barthelemy, L., Bezaz, D., Bonsergent, E., Collin, J., De Lavenne, R., Dietz, E., Enrietto, P., Favre, E., Gentieu, M., Gouault, E., Helfenstein, M., Hercberg, S., Kurtz, F., Laure, P., Lighezzolo, J., Marx, P., Osbery, A., Piquee, M., Renaudin, P., Robert, G., Schichtel, A., Tessier, S., Vuillemin, A., Villemin, E., Wuillaume, M., Adaptation, mesure et évaluation en santé. Approches interdisciplinaires (APEMAC), Université de Lorraine (UL), Centre d'investigation clinique - Epidémiologie clinique [Nancy] (CIC-EC), Centre d'investigation clinique [Nancy] (CIC), Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lorraine (UL)-Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lorraine (UL), Conservatoire National des Arts et Métiers [CNAM] (CNAM), Maladies chroniques, santé perçue, et processus d'adaptation (APEMAC), Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy)-Université de Lorraine (UL)-Institut National de la Santé et de la Recherche Médicale (INSERM), Laboratoire de psychologie de l'interaction et des relations intersubjectives (INTERPSY), Unité de Recherche en Epidémiologie Nutritionnelle (UREN), Université Paris 13 (UP13)-Institut National de la Recherche Agronomique (INRA)-Conservatoire National des Arts et Métiers [CNAM] (CNAM)-Université Sorbonne Paris Cité (USPC)-Institut National de la Santé et de la Recherche Médicale (INSERM), Direction régionale de la jeunesse, des sports et de la cohésion sociale Grand Est - Antenne de Nancy (DRDJSCS Grand-Est), Groupe d'Etude de la Matière Condensée (GEMAC), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Mecanique des Fluides et d'Acoustique (LMFA), École Centrale de Lyon (ECL), Université de Lyon-Université de Lyon-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS), Centre d'Epidémiologie Clinique (CIC-EC), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy), Institut des Matériaux Jean Rouxel (IMN), Université de Nantes (UN)-Centre National de la Recherche Scientifique (CNRS), and Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Sorbonne Paris Cité (USPC)-Université Paris 13 (UP13)-Conservatoire National des Arts et Métiers [CNAM] (CNAM)-Institut National de la Recherche Agronomique (INRA)

Subjects
Male, Pediatric Obesity, Adolescent, Endocrinology, Diabetes and Metabolism, Psychological intervention, universal intervention, 030209 endocrinology & metabolism, Overweight, 03 medical and health sciences, 0302 clinical medicine, 030225 pediatrics, Intervention (counseling), Medicine, Humans, adolescents, Students, Weight status, Socioeconomic status, Socioeconomic inequalities, School Health Services, 2. Zero hunger, Nutrition and Dietetics, business.industry, Body Weight, medicine.disease, Obesity, weight social gradient, Socioeconomic Factors, Pediatrics, Perinatology and Child Health, Female, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, medicine.symptom, business, Body mass index, Demography, Follow-Up Studies, weight social gradien
Abstract

International audience; Background: Differences in weight status by socioeconomic position occur during adolescence and is known as weight social gradient (WSG). The PRALIMAP (Promotion de l'ALIMentation et de l'Activité Physique) trial highlighted that a universal intervention was effective in reducing overweight and obesity prevalence among adolescents. However, its ability to reduce the WSG is unclear. This study aimed to evaluate the impact of the PRALIMAP intervention on the WSG among adolescents. Methods: Data were obtained from 3504 adolescents who participated in the school-based PRALIMAP trial between 2006 and 2009. The PRALIMAP study consisted of three interventional strategies: educational, environmental, screening and care. Weight status was assessed by body mass index (BMI) z-score and overweight and obesity prevalence. The "indice de position sociale des élèves" was used to measure adolescents' socioeconomic status. Linear regression and hierarchical models were used to assess the WSG and its evolution, respectively. Results: Among all adolescents (14-18 years old), significant WSG was identified at baseline: BMI z-score (β = -0.06; p

Published
2019
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36. Dietary practices in methylmalonic acidaemia: a European survey

Author

Pinto, A., Evans, S., Daly, A., Almeida, M.F., Assoun, M., Belanger-Quintana, A., Bernabei, S.M., Bollhalder, S., Cassiman, D., Champion, H., Chan, H., Corthouts, K., Dalmau, J., Boer, F. de, Laet, C. de, Meyer, A, Desloovere, A., Dianin, A., Dixon, M., Dokoupil, K., Dubois, S., Eyskens, F., Faria, A., Fasan, I., Favre, E., Feillet, F., Fekete, A., Gallo, G., Gingell, C., Gribben, J., Hansen, K.K., Horst, N.T., Jankowski, C., Janssen-Regelink, R.G., Jones, I., Jouault, C., Kahrs, G.E., Kok, I., Kowalik, A., Laguerre, C., Verge, S.L., Liguori, A., Lilje, R., Maddalon, C., Mayr, D., Meyer, U., Micciche, A., Och, U., Robert, M., Rocha, J.C., Rogozinski, H., Rohde, C., Ross, K., Saruggia, I., Schlune, A., Singleton, K., Sjoqvist, E., Skeath, R., Stolen, L.H., Terry, A., Timmer, C., Tomlinson, L., Tooke, A., Kerckhove, K.V., Dam, E. van, Hurk, D.V.D., Ploeg, L.V., Driessche, M. Van, Rijn, M. van de, Wegberg, A.M. van, Vasconcelos, C., Vestergaard, H., Vitoria, I., Webster, D., White, F., White, L., Zweers, H.E., MacDonald, A., Pinto, A., Evans, S., Daly, A., Almeida, M.F., Assoun, M., Belanger-Quintana, A., Bernabei, S.M., Bollhalder, S., Cassiman, D., Champion, H., Chan, H., Corthouts, K., Dalmau, J., Boer, F. de, Laet, C. de, Meyer, A, Desloovere, A., Dianin, A., Dixon, M., Dokoupil, K., Dubois, S., Eyskens, F., Faria, A., Fasan, I., Favre, E., Feillet, F., Fekete, A., Gallo, G., Gingell, C., Gribben, J., Hansen, K.K., Horst, N.T., Jankowski, C., Janssen-Regelink, R.G., Jones, I., Jouault, C., Kahrs, G.E., Kok, I., Kowalik, A., Laguerre, C., Verge, S.L., Liguori, A., Lilje, R., Maddalon, C., Mayr, D., Meyer, U., Micciche, A., Och, U., Robert, M., Rocha, J.C., Rogozinski, H., Rohde, C., Ross, K., Saruggia, I., Schlune, A., Singleton, K., Sjoqvist, E., Skeath, R., Stolen, L.H., Terry, A., Timmer, C., Tomlinson, L., Tooke, A., Kerckhove, K.V., Dam, E. van, Hurk, D.V.D., Ploeg, L.V., Driessche, M. Van, Rijn, M. van de, Wegberg, A.M. van, Vasconcelos, C., Vestergaard, H., Vitoria, I., Webster, D., White, F., White, L., Zweers, H.E., and MacDonald, A.

Abstract

Contains fulltext : 220058.pdf (Publisher’s version ) (Open Access), Background The dietary management of methylmalonic acidaemia (MMA) is a low-protein diet providing sufficient energy to avoid catabolism and to limit production of methylmalonic acid. The goal is to achieve normal growth, good nutritional status and the maintenance of metabolic stability. Aim To describe the dietary management of patients with MMA across Europe. Methods A cross-sectional questionnaire was sent to European colleagues managing inherited metabolic disorders (IMDs) (n=53) with 27 questions about the nutritional management of organic acidaemias. Data were analysed by different age ranges (0-6 months; 7-12 months; 1-10 years; 11-16 years; >16 years). Results Questionnaires were returned from 53 centres. Twenty-five centres cared for 80 patients with MMA vitamin B12 responsive (MMAB12r) and 43 centres managed 215 patients with MMA vitamin B12 non-responsive (MMAB12nr). For MMAB12r patients, 44% of centres (n=11/25) prescribed natural protein below the World Health Organization/Food and Agriculture Organization/United Nations University (WHO/FAO/UNU) 2007 safe levels of protein intake in at least one age range. Precursor-free amino acids (PFAA) were prescribed by 40% of centres (10/25) caring for 36% (29/80) of all the patients. For MMAB12nr patients, 72% of centres (n=31/43) prescribed natural protein below the safe levels of protein intake (WHO/FAO/UNU 2007) in at least one age range. PFAA were prescribed by 77% of centres (n=33/43) managing 81% (n=174/215) of patients. In MMAB12nr patients, 90 (42%) required tube feeding: 25 via a nasogastric tube and 65 via a gastrostomy. Conclusions A high percentage of centres used PFAA in MMA patients together with a protein prescription that provided less than the safe levels of natural protein intake. However, there was inconsistent practices across Europe. Long-term efficacy studies are needed to study patient outcome when using PFAA with different severities of natural protein restrictions in patients with MMA to

Published
2020

42. Permanent-magnet synchronous motors: a comprehensive approach to cogging torque suppression

Author

Favre, E., Cardoletti, L., and Jufer, M.

Subjects
Synchronous electric motors -- Research, Torque -- Analysis, Business, Computers, Electronics, Electronics and electrical industries
Abstract

Torque ripple minimization in permanent-magnet synchronous motors is traditionally achieved either by special motor design or by an adequate control of the driver. Due to motor-driver interactions, the choice of driver or motor design must consider the respective performance of each. The presented approach provides appropriate current shapes to drive a given motor without torque ripple and/or appropriate back EMF shapes for a given current or voltage supply. Reluctant torque, due to the interaction between the rotor magnets and the stator slots, is also taken into consideration.

Published
1993

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