Gotowe bibliografie tematyczne / Eklf

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Gotowa bibliografia na temat „Eklf”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 20 lutego 2023

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Artykuły w czasopismach na temat "Eklf"

Hodge, Denise, Elise Coghill, Janelle Keys, Tina Maguire, Belinda Hartmann, Alasdair McDowall, Mitchell Weiss, Sean Grimmond, and Andrew Perkins. "A global role for EKLF in definitive and primitive erythropoiesis." Blood 107, no. 8 (April 15, 2006): 3359–70. http://dx.doi.org/10.1182/blood-2005-07-2888.

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Abstract Erythroid Kruppel-like factor (EKLF, KLF1) plays an important role in definitive erythropoiesis and β-globin gene regulation but failure to rectify lethal fetal anemia upon correction of globin chain imbalance suggested additional critical EKLF target genes. We employed expression profiling of EKLF-null fetal liver and EKLF-null erythroid cell lines containing an inducible EKLF-estrogen receptor (EKLF-ER) fusion construct to search for such targets. An overlapping list of EKLF-regulated genes from the 2 systems included α-hemoglobin stabilizing protein (AHSP), cytoskeletal proteins, h

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Pilon, Andre M., Douglas G. Nilson, Dewang Zhou, Jose Sangerman, Tim M. Townes, David M. Bodine, and Patrick G. Gallagher. "Alterations in Expression and Chromatin Configuration of the Alpha Hemoglobin-Stabilizing Protein Gene in Erythroid Krüppel-Like Factor-Deficient Mice." Molecular and Cellular Biology 26, no. 11 (June 1, 2006): 4368–77. http://dx.doi.org/10.1128/mcb.02216-05.

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ABSTRACT Erythroid Krüppel-like factor (EKLF) is an erythroid zinc finger protein identified by its interaction with a CACCC sequence in the β-globin promoter, where it establishes local chromatin structure permitting β-globin gene transcription. We sought to identify other EKLF target genes and determine the chromatin status of these genes in the presence and absence of EKLF. We identified alpha hemoglobin-stabilizing protein (AHSP) by subtractive hybridization and demonstrated a 95 to 99.9% reduction in AHSP mRNA and the absence of AHSP in EKLF-deficient cells. Chromatin at the AHSP promote

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Basu, Priyadarshi, Tina K. Lung, Wafaa Lemsaddek, Thanh Giang Sargent, David C. Williams, Mohua Basu, Latasha C. Redmond, Jerry B. Lingrel, Jack L. Haar та Joyce A. Lloyd. "EKLF and KLF2 have compensatory roles in embryonic β-globin gene expression and primitive erythropoiesis". Blood 110, № 9 (1 листопада 2007): 3417–25. http://dx.doi.org/10.1182/blood-2006-11-057307.

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Abstract The Krüppel-like C2/H2 zinc finger transcription factors (KLFs) control development and differentiation. Erythroid Krüppel-like factor (EKLF or KLF1) regulates adult β-globin gene expression and is necessary for normal definitive erythropoiesis. KLF2 is required for normal embryonic Ey- and βh1-, but not adult βglobin, gene expression in mice. Both EKLF and KLF2 play roles in primitive erythroid cell development. To investigate potential interactions between these genes, EKLF/KLF2 double-mutant embryos were analyzed. EKLF−/−KLF2−/− mice appear anemic at embryonic day 10.5 (E10.5) and

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Pilon, Andre M., Murat O. Arcasoy, Holly K. Dressman, Serena E. Vayda, Yelena D. Maksimova, Jose I. Sangerman, Patrick G. Gallagher, and David M. Bodine. "Failure of Terminal Erythroid Differentiation in EKLF-Deficient Mice Is Associated with Cell Cycle Perturbation and Reduced Expression of E2F2." Molecular and Cellular Biology 28, no. 24 (October 13, 2008): 7394–401. http://dx.doi.org/10.1128/mcb.01087-08.

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ABSTRACT Erythroid Krüppel-like factor (EKLF) is a Krüppel-like transcription factor identified as a transcriptional activator and chromatin modifier in erythroid cells. EKLF-deficient (Eklf −/− ) mice die at day 14.5 of gestation from severe anemia. In this study, we demonstrate that early progenitor cells fail to undergo terminal erythroid differentiation in Eklf −/− embryos. To discover potential EKLF target genes responsible for the failure of erythropoiesis, transcriptional profiling was performed with RNA from wild-type and Eklf −/− early erythroid progenitor cells. These analyses iden

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Pilon, Andre M., Subramanian S. Ajay, Swathi Ashok Kumar, Laurie A. Steiner, Praveen F. Cherukuri, Stephen Wincovitch, Stacie M. Anderson, et al. "Genome-wide ChIP-Seq reveals a dramatic shift in the binding of the transcription factor erythroid Kruppel-like factor during erythrocyte differentiation." Blood 118, no. 17 (October 27, 2011): e139-e148. http://dx.doi.org/10.1182/blood-2011-05-355107.

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Abstract Erythropoiesis is dependent on the activity of transcription factors, including the erythroid-specific erythroid Kruppel-like factor (EKLF). ChIP followed by massively parallel sequencing (ChIP-Seq) is a powerful, unbiased method to map trans-factor occupancy. We used ChIP-Seq to study the interactome of EKLF in mouse erythroid progenitor cells and more differentiated erythroblasts. We correlated these results with the nuclear distribution of EKLF, RNA-Seq analysis of the transcriptome, and the occupancy of other erythroid transcription factors. In progenitor cells, EKLF is found pred

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Perkins, Andrew C., Elise Coghill, Tina Maguire, Belinda Hartmann, Alasdair McDowall, Mitchell Weiss, Sean Grimmond, Janelle Keys, and Denise Hodge. "A Global Role for EKLF in Definitive and Primitive Erythropoiesis." Blood 106, no. 11 (November 16, 2005): 1745. http://dx.doi.org/10.1182/blood.v106.11.1745.1745.

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Abstract Erythroid Kruppel-like factor (EKLF or Klf1) is an erythroid specific C2H2 zinc-finger transcription factor which is essential for definitive erythropoiesis and β-globin gene expression. The absence of EKLF results in fatal anaemia but correction of globin chain imbalance does result in rescue, suggesting the existence of additional EKLF target genes. The aim of this study was to search for such genes by expression profiling. We performed profiling on fetal livers from wild-type versus EKLF null litter mates, and also EKLF null erythroid cell lines containing an inducible EKLF-ERTM fu

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Coghill, Elise, Sarah Eccleston, Vanessa Fox, Loretta Cerruti, Clark Brown, John Cunningham, Stephen Jane, and Andrew Perkins. "Erythroid Kruppel-like factor (EKLF) coordinates erythroid cell proliferation and hemoglobinization in cell lines derived from EKLF null mice." Blood 97, no. 6 (March 15, 2001): 1861–68. http://dx.doi.org/10.1182/blood.v97.6.1861.

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Erythroid Kruppel-like factor (EKLF) is a transcription factor of the C2H2 zinc-finger class that is essential for definitive erythropoiesis. We generated immortal erythroid cell lines from EKLF−/− fetal liver progenitor cells that harbor a single copy of the entire human β-globin locus and then reintroduced EKLF as a tamoxifen-inducible, EKLF–mutant estrogen receptor (EKLF-ER™) fusion protein. Addition of tamoxifen resulted in enhanced differentiation and hemoglobinization, coupled with reduced proliferation. Human β-globin gene expression increased significantly, whereas γ-globin transcripts

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Pilon, Andre M., Elliott H. Margulies, Hatice Ozel Abaan, Amy Werner Allen, Tim M. Townes, Abbie M. Frederick, Dewang Zhou, Patrick G. Gallagher, and David M. Bodine. "Genome-Wide Analysis of EKLF Occupancy in Erythroid Chromatin Reveals 5′, 3′ and Intragenic Binding Sites in EKLF Target Genes." Blood 112, no. 11 (November 16, 2008): 283. http://dx.doi.org/10.1182/blood.v112.11.283.283.

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Abstract Erythroid Kruppel-Like Factor (EKLF; KLF1) is the founding member of the Kruppel family of transcription factors, with 3 C2H2 zinc-fingers that bind a 9-base consensus sequence (NCNCNCCCN). The functions of EKLF, first identified as an activator of the beta-globin locus, include gene activation and chromatin remodeling. Our knowledge of genes regulated by EKLF is limited, as EKLF-deficient mice die by embryonic day 15 (E15), due to a severe anemia. Analysis of E13.5 wild type and EKLF-deficient fetal liver (FL) erythroid cells revealed that EKLF-deficient cells fail to complete termin

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Perkins, Andrew C., Janelle R. Keys, Denise J. Hodge, and Michael R. Tallack. "Erythroid Kruppel-Like Factor Regulates E2F4 and the G1 Cdk Inhibitor, p18." Blood 106, no. 11 (November 16, 2005): 1357. http://dx.doi.org/10.1182/blood.v106.11.1357.1357.

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Abstract Erythroid Kruppel-Like Factor (EKLF) is a zinc finger transcription factor which is essential for β-globin gene expression. Knockout mice die from anemia at E15, but restoration of globin chain imbalance does not rescue anemia or increase survival. Cell lines derived from EKLF null mice undergo proliferation arrest upon reactivation of a conditional EKLF-ER fusion protein, suggesting a role in cell cycle control. A transcriptional profiling experiment comparing the global gene expression in EKLF null and wild type fetal liver identified many differentially expressed genes, a number of

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Drissen, Roy, Marieke von Lindern, Andrea Kolbus, Siska Driegen, Peter Steinlein, Hartmut Beug, Frank Grosveld, and Sjaak Philipsen. "The Erythroid Phenotype of EKLF-Null Mice: Defects in Hemoglobin Metabolism and Membrane Stability." Molecular and Cellular Biology 25, no. 12 (June 15, 2005): 5205–14. http://dx.doi.org/10.1128/mcb.25.12.5205-5214.2005.

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ABSTRACT Development of red blood cells requires the correct regulation of cellular processes including changes in cell morphology, globin expression and heme synthesis. Transcription factors such as erythroid Krüppel-like factor EKLF (Klf1) play a critical role in erythropoiesis. Mice lacking EKLF die around embryonic day 14 because of defective definitive erythropoiesis, partly caused by a deficit in β-globin expression. To identify additional target genes, we analyzed the phenotype and gene expression profiles of wild-type and EKLF null primary erythroid progenitors that were differentiate

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Rozprawy doktorskie na temat "Eklf"

Desgardin, Aurelie D. "EKLF-meidated transcription of erythroid genes." Thesis, Kingston University, 2010. http://eprints.kingston.ac.uk/20434/.

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Erythroid Kruppel-like factor (EKLF) is an erythroid specific transcription factor that binds to the proximal [beta]-globin gene promoter and is essential for high level expression. In addition, EKLF binds to the far upstream enhancer commonly referred to as the Locus Control Region (LCR). The nature of these two events, their relationship to other events at the multigene [beta]-globin locus and the precise and required interaction of these cis-acting sequences remains unclear. Equally, the mode of action ofEKLF at other erythroid-specific gene loci that are not regulated by an LCR has not yet

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Lung, Tina Kathy. "Analysis of Mouse EKLF/KLF2 E9.5 Double Knockout: Yolk Sac Morphology and Embryonic Erythroid Maturation." VCU Scholars Compass, 2007. http://hdl.handle.net/10156/1821.

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Bouilloux, Fabrice. "Rôle du facteur de transcription EKLF dans le contrôle de la fourche de différenciation érrythro-mégacaryocytaire." Lyon 1, 2008. http://n2t.net/ark:/47881/m6833q4v.

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EKLF et FLI-1 sont deux facteurs de transcription antagonistes activant respectivement la transcription des gènes spécifiques des lignées érythrocytaire et mégacaryocytaire qui dérivent d'un progéniteur bipotent commun. L'absence de EKLF favorise l'immortalisation des cellules érythrocytaires et la production dérégulée de FLI-1 est une cause récurrente de leur transformation. Afin de préciser le rôle de EKLF, son expression a été modulée dans des cellules érythroleucémiques ou dans des progéniteurs multipotents hématopoïétiques humains. Nos résultats montrent que EKLF n'a d'effet antiproliféra

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Richardson, Ben Matthew. "A proteomic approach to characterising erythropoiesis in both normal and In(Lu) phenotypes, with investigations into EKLF function." Thesis, University of Bristol, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492444.

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Erythropoiesis is the process in which a pluripotent stem cell differentiates into a mature red blood cell (RBC). Over the last two decades understanding of factors that regulate this process has increased, which has allowed for the development of advanced in vitro culture systems that can on a small scale, generate therapeutic quantities of mature RBCs from isolated stem cell populations. Not only does this create an alternative source of RBCs for use in medical treatments, it also provides a esearch model that can be used to investigate the underlying biochemical and physiological mechanisms

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Ma, Rui. "Optimizing the production of erythroid cells from human embryonic stem cells." Thesis, University of Edinburgh, 2015. http://hdl.handle.net/1842/17979.

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Red blood cell (RBC) transfusion is the major treatment for patients suffering from trauma or severe anaemias, and life-long transfusion may be needed to alleviate symptoms and maintain body functioning. However, with a relatively low portion of people are donating, shortage in blood supply is becoming a life-threatening issue in the aging society. Among attempts to identify novel sources for transfusion medicine, human pluripotent stem cells (hPSCs), including embryonic stem cells (hESCs) and induced pluripotent stem cells (hiPSCs) are currently the most promising candidate, which is capable

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Lau, Winnie. "Studies of human EKLF mutations associated with the In(Lu) blood group phenotype and a rare variant of congenital dyserlthropoietic anaemia." Thesis, University of Bristol, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.529878.

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Jansen, Valerie Malyvanh. "Generation and characterization of a knock-in allele of EKLF probing the in vivo role of the chromatin remodeling domain in definitive hematopoietic cells /." View the abstract View the abstract Download the full-text PDF version Download the full-text PDF version, 2009. http://etd.uthsc.edu/ABSTRACTS/2009-025-Jansen-index.htm.

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Thesis (Ph.D.)--University of Tennessee Health Science Center, 2009.<br>Title from title page screen (viewed on February 4, 2010). Research advisor: John M. Cunningham, M.D. Document formatted into pages (xiv, 115 p. : ill.). Vita. Abstract. Includes bibliographical references (p. 89-103).

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Hallal, Samantha. "Characterisation of the zinc fingers of Erythroid Kruppel-Like Factor." University of Sydney, 2008. http://hdl.handle.net/2123/4030.

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Doctor of Philosophy (PhD)<br>Gene expression is known to be regulated at the level of transcription. Recently, however, there has been a growing realisation of the importance of gene regulation at the post-transcriptional level, namely at the level of pre-mRNA processing (5’ capping, splicing and polyadenylation), nuclear export, mRNA localisation and translation. Erythroid krüppel-like factor (Eklf) is the founding member of the Krüppel-like factor (Klf) family of transcription factors and plays an important role in erythropoiesis. In addition to its nuclear presence, Eklf was recently found

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Canadas, Maria Belen. "Cooperative EKF localization." [S.l. : s.n.], 2004. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB11730075.

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Matheson, Iggy. "Angles-Only EKF Navigation for Hyperbolic Flybys." DigitalCommons@USU, 2019. https://digitalcommons.usu.edu/etd/7608.

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Space travelers in science fiction can drop out of hyperspace and make a pinpoint landing on any strange new world without stopping to get their bearings, but real-life space navigation is an art characterized by limited information and complex mathematics that yield no easy answers. This study investigates, for the first time ever, what position and velocity estimation errors can be expected by a starship arriving at a distant star - specifically, a miniature probe like those proposed by the Breakthrough Starshot initiative arriving at Proxima Centauri. Such a probe consists of nothing but a

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Książki na temat "Eklf"

Eklo yātrī: Kavitāsaṅgraha. [Kathmandu]: Mīnā Śarmā, 2000.

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Ṭhākurāmā eklo mānche: Jīvanī. Lalitapura: Jagadambā Prakāśana, 2010.

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1952-2002: CECA = EKSF = ECSC. Luxembourg: Office des publications officielles des Communautés européenes, 2002.

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Vāsuśaśī. Saṃsāramā sababhandā eklo jīva: Upanyāsa. Kāṭhamāḍauṃ: Ratna Pustaka Bhaṇḍāra, 1995.

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Kahraman, Tahir. Çağdaş Türkiye Türkçesindeki fiilerin durum ekli tamlayıcıları. Ankara: Atatürk Kültür, Dil ve Tarih Yüksek Kurumu, Türk Dil Kurumu, 1996.

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Takáts, József. Az újragondolt város: EKF-iratok. Pécs: Publikon, 2011.

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Commission, European. CECA - EKSF - EGKS - EKAX - ECSC - EHTY - EKSG: 1952-2002. Luxembourg: Office for Official pubs. of the E.C., 2002.

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CECA EKSF EGKS EKAX ECSC EHTY EKSG: 1952-2002 : 27.6.2002: Actas - Schlussakte - actes - atti. Luxembourg: Office des publications officielles des Communautés européenes, 2002.

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Schindelka, Martina. Die Europäische Kampagne für den ländlichen Raum 1987/88 (EKL): Eine kulturwissenschaftliche Studie unter besonderer Berücksichtigung kommunikativer Aspekte. Berlin: Pro Business, 2002.

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Liit, Eesti Kunstnike. Vastandumised: EKL 10. aastanäitus : 19.06.-25.07.2010, Tallinna Kunstihoone = Confrontations : 10th Annual Exhibition of Estonian Artists' Association : 19.06.-25.07.2010, Tallinn Art Hall. [Tallinn]: Eesti Kunstnike Liit, 2010.

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Części książek na temat "Eklf"

Bieker, James J. "Expanded Role for EKLF/KLF1 Within the Hematopoietic Lineage." In The Biology of Krüppel-like Factors, 83–93. Tokyo: Springer Japan, 2009. http://dx.doi.org/10.1007/978-4-431-87775-2_6.

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Lagunas, M. A., A. Perez-Neira, and D. Maiwald. "EKF Schemes in Array Processing." In Acoustic Signal Processing for Ocean Exploration, 619–24. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1604-6_59.

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Schottky, B., and D. Saad. "Exact Learning Curves for EKF Training." In ICANN 98, 535–40. London: Springer London, 1998. http://dx.doi.org/10.1007/978-1-4471-1599-1_80.

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Elibol, Armağan, Nuno Gracias, and Rafael Garcia. "Combined ASKF-EKF Framework for Topology Estimation." In Efficient Topology Estimation for Large Scale Optical Mapping, 41–59. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-30313-5_4.

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Schmidt, Adam. "Multi-robot, EKF-Based Visual SLAM System." In Computer Vision and Graphics, 562–69. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-11331-9_67.

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Cao, Jing, Jidong Feng, Wanjie Ren, Wanfeng Ma, Mingran Li, and Yuan Xu. "Human Tracking Using Distributed Dual-EKF Filter." In IoT and Big Data Technologies for Health Care, 394–401. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94182-6_31.

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Jain, Ankur, and B. K. Roy. "Simultaneous Vehicle Steering and Localization Using EKF." In Conference Proceedings of ICDLAIR2019, 210–19. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67187-7_23.

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Huang, Guoquan, Kevin Eckenhoff, and John Leonard. "Optimal-State-Constraint EKF for Visual-Inertial Navigation." In Springer Proceedings in Advanced Robotics, 125–39. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51532-8_8.

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Lee, S. C., W. R. Lee, and K. H. You. "TDoA Based UAV Localization Using Dual-EKF Algorithm." In Communications in Computer and Information Science, 47–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-10741-2_6.

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Huang, Guoquan P., Anastasios I. Mourikis, and Stergios I. Roumeliotis. "A First-Estimates Jacobian EKF for Improving SLAM Consistency." In Experimental Robotics, 373–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00196-3_43.

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Streszczenia konferencji na temat "Eklf"

Jin, Zeming, Ling Wang, Hanhan Liu, Ronghua Du, and Xiang Zhang. "Monocular-Based Pose Estimation of Non-Cooperative Space Targets Using EKF and EKPF." In 2020 13th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics (CISP-BMEI). IEEE, 2020. http://dx.doi.org/10.1109/cisp-bmei51763.2020.9263615.

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Li, Chang, and Roger Fales. "Application of Extended Kalman Filter in a Forced-Feedback Metering Poppet Valve System." In ASME 2008 Dynamic Systems and Control Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/dscc2008-2247.

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This work focuses on an accurate Extended Kalman Filter (EKF) estimator, which is applied in a forced-feedback metering poppet valve system (FFMPVS). The EKF estimator is used to estimate the position and velocity of the main poppet valve, the pilot poppet valve and the piston through using the control volume pressure, the load pressure and the pressure between the pilot poppet and the actuator housing, which are all disturbed by noise. The EKF estimator takes advantage of its recursive optimal state estimation to estimate the states of this metering poppet valve, which is a non-linear, time-v

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Bryan, Josiah A., and Roger C. Fales. "Estimating Cutting Force Coefficients in High-Speed Low-Radial-Immersion Milling Processes." In ASME 2014 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/dscc2014-5930.

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A high-speed milling system is considered, which is prone to chatter vibration, a stability condition dependent on system parameters (e.g., cutting force coefficients). This work is motivated by the need for model parameters which can be used in stability analysis. An Extended Kalman Filter (EKF) is proposed to estimate cutting force coefficients for each tooth in a low-radial-immersion milling process to aid chatter stability prediction. The proposed EKF utilizes tool deflection measurements and no force measurements. The model used in the EKF is found to be observable, a quality required to

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Zhu, Meiyin, Xi Wang, Shubo Yang, Huairong Chen, Keqiang Miao, and Nannan Gu. "Two Degree-of-Freedom µ Synthesis Control With Kalman Filter for Flight Environment Simulation Volume With Sensors Uncertainty." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-90116.

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Abstract Flight Environment Simulation Volume (FESV) is the most important subsystem of Altitude Ground Test Facilities (AGTF). Its control precision of temperature and pressure determines the level of test ability of AGTF. However, in practice, the sensor hysteresis and noise may greatly affect the control precision of FESV. To improve the control performance of FESV in practice, a new control structure of two degree-of-freedom (DOF) μ synthesis control with the extended Kalman filter (EKF) considering actuators and sensors uncertainty is proposed, which constitutes a core support part of the

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Gurung, H., S. Karmakar, and A. Banerjee. "Development of an Extended Kalman Filter for Self-Sensing Application of Shape Memory Alloy Wire Actuator." In ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/smasis2015-9021.

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This paper presents the development of an Extended Kalman Filter (EKF) for self-sensing application of Shape Memory Alloy (SMA) wire actuator. The EKF is used to estimate the end displacement of a SMA wire actuated compliant link using the electrical resistance variation of SMA. The model of the system is developed by coupling the stress-deformation relation of the link along the direction of the SMA actuator with the phenomenological model of the SMA wire. In EKF, the stress and temperature of SMA comprise the state vector and its electrical resistance is considered as output. The developed E

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Wang, Zhitao, Junxin Zhang, Wanling Qi, and Shuying Li. "Parameter Estimation and Performance Seeking of a Marine Gas Turbine Based on Extended Kalman Filter." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-16090.

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Abstract Marine gas turbines have been widely used and developed in the field of marine power. It is important to make them operated safely and efficiently. In this paper, a marine triaxial gas turbine is taken as an example to study the method of estimating the health state of the gas path using extended Kalman filter (EKF). To verify the accuracy of EKF, a comparison was made between linearized Kalman filtering (LKF) and EKF. In addition, the sequential quadratic programming (SQP) algorithm is used to seek the performance in case of gas path abnormal. The combination of parameter estimation

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Wang, Wen, Xinxin Li, and Zichen Chen. "A New Friction Estimation Approach for Precision Positioner." In 2007 First International Conference on Integration and Commercialization of Micro and Nanosystems. ASMEDC, 2007. http://dx.doi.org/10.1115/mnc2007-21535.

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Precision positioner has been significantly developed as the rapid growth of MEMS and IC industries. As for short-stroke position, the loss of friction can be avoided by using flexible hinges. Long-stroke postioner, however, in which moved-to-be mass always stands on the guide-way part, a main source of friction, makes friction unavoidable. Friction estimation is based on certain filters, such as Extended Kalman filter (EKF). However, estimation accuracy of Kalman filter, especially at low-velocity movement, is not very well. To solve this problem, the paper proposes an estimation method based

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Sarim, Mohammad, Alireza Nemati, Manish Kumar, and Kelly Cohen. "Extended Kalman Filter Based Quadrotor State Estimation Based on Asynchronous Multisensor Data." In ASME 2015 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/dscc2015-9929.

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For effective navigation and tracking applications involving Unmanned Aerial Vehicles (UAVs), data fusion from multiple sensors is utilized. However, asynchronous nature of the sensors, coupled with loss of data and communication delays, makes this process not very reliable. For a better estimation of the data, some sort of filtering scheme is needed. This paper presents an Extended Kalman Filter (EKF) based quadrotor state estimation by exploiting the dynamic model of the UAV. The data coming from the sensors is noisy and intermittent. The EKF filters and provides estimated data for the missi

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Zhao, Shi, Adrien M. Bizeray, Stephen R. Duncan, and David A. Howey. "Performance Evaluation of an Extended Kalman Filter for State Estimation of a Pseudo-2D Thermal-Electrochemical Lithium-Ion Battery Model." In ASME 2015 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/dscc2015-9836.

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Fast and accurate state estimation is one of the major challenges for designing an advanced battery management system based on high-fidelity physics-based model. This paper evaluates the performance of a modified extended Kalman filter (EKF) for on-line state estimation of a pseudo-2D thermal-electrochemical model of a lithium-ion battery under a highly dynamic load with 16C peak current. The EKF estimation on the full model is shown to be significantly more accurate (< 1% error on SOC) than that on the single-particle model (10% error on SOC). The efficiency of the EKF can be improved by r

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Wilbanks, J. Justin, and Michael J. Leamy. "Uncertain Parameter Estimation Approaches for Increasing the Effectiveness of Command-Shaped Engine Restart Strategies." In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-67548.

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This paper develops recursive least-squares (RLS) and extended Kalman filtering (EKF) approaches for estimating uncertain engine friction (and other) parameters necessary for successful implementation of a two-scale command shaping (TSCS) engine restart strategy. The TSCS strategy has been developed for mitigating vibrations in conventional and hybrid electric vehicle (HEV) powertrains during internal combustion engine (ICE) restart. Implementing the TSCS strategy increases the drivability of a HEV by reducing noise, vibration, and harshness (NVH) issues associated with ICE restart during a po

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Raporty organizacyjne na temat "Eklf"

Bergström, Ulf, and Mårten Erlandsson. Spiggens påverkan på rekryteringsområden för abborre och gädda i Östersjön. Institutionen för akvatiska resurser, Sveriges lantbruksuniversitet, 2022. http://dx.doi.org/10.54612/a.4bb5blrfa9.

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Storspigg har visat sig ha en negativ påverkan på rekryteringen av rovfiskar längs Östersjökusten, framför allt gädda och abborre, genom predation på ägg och larver. Detta leder till minskade rovfiskbestånd i kustzonen och en förlust av viktiga ekosystemfunktioner. I den här studien har vi kvantifierat omfattningen av denna störning med hjälp av rumslig och statistisk modellering där vi undersöker hur utbredning och abundans av rovfiskens reproduktionsområden förändrats över tid. I analyserna nyttjar vi data från de omfattande undersökningar av kustfiskens reproduktion längs ostkusten som gjor

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