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Dissertations / Theses on the topic 'Lambda-control'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Berndtsson, Magnus. "Fault detection in lambda-tuned control loops." Licentiate thesis, Luleå : Luleå University of Technology, 2006. http://epubl.ltu.se/1402-1757/2006/47/LTU-LIC-0647-SE.pdf.

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2

Singh, Pooja. "Quantum Coherent Control and Propagation in Lambda System." Thesis, University of North Texas, 2016. https://digital.library.unt.edu/ark:/67531/metadc849750/.

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Strong coherence in quasi-resonant laser driven system interferes with effective relaxations, resulting in behaviors like, coherent population trapping and Electromagnetically induced transparency. The Raman system can optimize this utilizing excited coherence in the lambda system when exposed to counter- intuitive pump-stokes pulses. The phenomenon can result in complete population transfer between vibrational levels called Stimulated Raman adiabatic passage(STIRAP). STIRAP and CHIRAP have been studied with Gaussian and chirped pulses. The optical propagation effects in dense medium for these

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3

Jelena, Ivetić. "Intesection types and resource control in the intuitionistic sequent lambda calculus." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2013. http://dx.doi.org/10.2298/NS20131009IVETIC.

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This thesis studies computational interpretations of the intuitionistic sequentcalculus with implicit and explicit structural rules, with focus on the systemswith intersection types. The contributions of the thesis are grouped into threeparts. In the first part intersection types are introduced into the lambdaGentzen calculus. The second part presents an extension of the lambdaGentzen calculus to a term calculus with resource control, i.e. with explicitoperators for contraction and weakening, and apropriate intersection typeassignment system which characterises strong normalisation in the prop

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4

Åkerblom, Hampus, and Roberth Tennesmed. "Lambdareglering : Installation av lambdareglering på pelletsbrännare." Thesis, Linnéuniversitetet, Sjöfartshögskolan (SJÖ), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-90266.

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I Sverige finns det mycket skog att tillgå och en del av skogen används som energikälla för uppvärmning av hus. Många hus värms upp av pelletspannor och det finns många omoderna pelletspannor runt om i Sverige. Denna rapport syftar till att bygga om en pelletspanna av modell Ariterm PX21 från år 2009 med hjälp av lambdareglering.Brännaren idag har ingen teknik som kontrollerar förbränningen. Syftet med lambdaregleringen är att en lambdasond, som ska styra matarskruven till pelletsbrännaren, ska installeras och därmed styra förbränningen. Frågeställningen för arbetet är om en installation av la

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5

Steiner, Mathias. "Control of molecular spontaneous emission in an optical l/2-microresonator [lambda/2-microresonator]." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=981816126.

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6

Höglund, Filip. "Knock Detection in a Two-Stroke Engine to be Used in the Engine Management System." Thesis, Linköpings universitet, Fordonssystem, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-104681.

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Engine knock has long been a well recognized phenomenon in the automotive industry. Detecting engine knock opens up the possibility for an indirect feedback of the engine's internal combustion without installing a pressure transducer inside the cylinder. Knock detection has mainly been used for spark advance control, making it possible to control the engine close to its knock limit in search for the optimal ignition timing. This application has to a lesser extent been applied to lightweight two-stroke engines, which is the focus of this study. The investigation features a modern chainsaw engin

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7

Toema, Mohamed Ahmed. "Physics-based characterization of lambda sensor output to control emissions from natural gas fueled engines." Diss., Kansas State University, 2010. http://hdl.handle.net/2097/6697.

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Doctor of Philosophy<br>Department of Mechanical and Nuclear Engineering<br>Kirby S. Chapman<br>The increasingly strict air emission regulations may require implementing Non-Selective Catalytic Reduction (NSCR) systems as a promising emission control technology for stationary rich burn spark ignition engines. Many recent experimental investigations that used NSCR systems for stationary natural gas fueled engines showed that NSCR systems were unable to consistently control the exhaust emissions level below the compliance limits. Part of this thesis is devoted to show the results from the field

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8

Lindell, Tobias. "Model-based Air and Fuel Path Control of a VCR Engine." Thesis, Linköping University, Department of Electrical Engineering, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-52468.

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<p>The objective of the work was to develop a basic control system for an advancedexperimental engine from scratch. The engine this work revolves around is a Saabvariable compression engine.A new control system is developed based on the naked engine, stripped of theoriginal control system. Experiments form the basis that the control system isbuilt upon. Controllers for throttles, intake manifold pressure for pressures lessthan ambient pressure and exhaust gas oxygen ratio are developed and validated.They were found to be satisfactory. The lambda controller is tested with severalparameter sets,

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9

Irman, Svraka, and Österdahl Wetterhag Linus. "Model Based Catalyst Control." Thesis, Linköpings universitet, Fordonssystem, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-158634.

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A one dimensional discretized model of a two brick three way catalyst (TWC) system was developed and implemented in MATLAB, Simulink and TargetLink in collaboration with Volvo Cars and Linköpings Universitet - ISY. The purpose of this thesis was to increase system understanding and create a model based TWC control for further development at Volvo Cars. A total of 50 states were modelled, including emission concentrations (O2, CO, C3H6, C3H8, H2, NOx, CO2, H2O), temperature and oxygen buffer level (OBL). A model based control structure was implemented in the form of five separate PID-controller

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10

Rosén, Anna. "Air/Fuel Ratio Control of an SI-Engine Under Normal Operation Conditions." Thesis, Linköping University, Department of Electrical Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2448.

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<p>Emission from cars today is one of the biggest environmental issues, hence stringent government standards have been introduced to decrease emission. Car companies do not only have to satisfy government standards, but also meet consumer demands on increased fuel economy and good drivablility. This report will introduce controllers designed to control the air/fuel ratio in an SI engine. The engine model used is simplified. The engine components modelled include the inlet manifold, fuel dynamics, combustion and exhaust sensor. </p><p>Nonlinearities and delays are inherent in the engine dynamic

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11

Pereira, Bruno Silva. "Controle da mistura ar/combustível em um motor a combustão interna: sistema em malha fechada." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/3/3140/tde-16062016-083213/.

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O controle da mistura ar/combustível é muito importante para o correto funcionamento dos motores à combustão interna ciclo Otto. A relação entre o ar e o combustível influencia diretamente no funcionamento do motor, na emissão de poluentes e no consumo de combustível. Este trabalho apresenta o desenvolvimento de um controle da mistura ar/combustível a partir do estudo de modelos de malha fechada deste sistema. Esse controle tem por objetivo manter a mistura o mais próxima possível do ponto estequiométrico, a fim de otimizar a taxa de conversão de gases poluentes pelo catalisador, e utiliza um

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12

Núñez, Salinas Tamara Marión. "Eficacia de aislamientos nativos de nemátodos entomopatógenos del género steinernema y el piretroide Lambda-Cihalotrina en el control de Plutella xylostella (L.)." Tesis, Universidad de Chile, 2017. http://repositorio.uchile.cl/handle/2250/153139.

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Memoria para optar al título Profesional de Ingeniero Agrónomo<br>La polilla dorso de diamante o polilla del repollo, Plutella xylostella (L.) (Lepidoptera: Plutellidae), es una de las plagas más importante de los cultivos de brásicas a nivel mundial. La estrategia de control más utilizada ha sido el uso de insecticidas de síntesis química como piretroides, carbamatos, organofosforados y reguladores de crecimiento, sin embargo, se ha comprobado su resistencia a numerosos insecticidas, por lo cual éstos ya no son una opción viable en muchas partes del mundo. Como una alternativa para su de con

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13

Johansson, Simon. "Reglering av drönare vid viktbelastning." Thesis, Institutionen för ingenjörsvetenskap och fysik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-68498.

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I detta arbeta gjordes en undersökning om hur en drönare kan regleras vid olika viktbelastningar. Först gjordes en teoretisk undersökning av fyra olika reglermetoder, två modellbaserade och två icke-modellbaserade metoder. De två modellbaserade var linjär kvadratisk reglering och modell prediktiv kontroll. De två icke-modellbaserade var kaskad kontroll och PID regulator. Av alla metoderna valdes det att användas en PID regulator för regleringen. För att ställa in PID testades tre olika metoder, Ziegler-Nichols, lambda och AMIGO metoden. Alla dessa tre använde stegsvaret för systemet för att be

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14

Grube, Boris. "A trigger control system for COMPASS and a measurement of the transverse polarization of L [lambda] and Q [xi] hyperons from quasi-real photo-production." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=98014714X.

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15

Nevot, Cercós Javier. "Diseño de un controlador avanzado basado en redes neuronales para la gestión de la mezcla aire-gasolina en un motor alternativo." Doctoral thesis, Universitat Politècnica de Catalunya, 2000. http://hdl.handle.net/10803/5933.

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En la presente tesis se desarrolla un sistema de control de la mezcla de aire y gasolina en un motor alternativo de cuatro tiempos, basado en redes neuronales. Para que el catalizador logre un grado de depuración aceptable con todos los gases contaminantes simultáneamente, debe mantenerse la proporción de aire y combustible, dentro de una banda muy estrecha. En estado estacionario, este objetivo se cumple sin demasiados problemas, pero el funcionamiento habitual de un vehículo es en régimen muy transitorio, donde los sistemas convencionales no logran evitar desviaciones importantes del punto d

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16

KRISHNAN, RAJESH. "DEVELOPMENT OF A MODULAR SOFTWARE SYSTEM FOR MODELING AND ANALYZING BIOLOGICAL PATHWAYS." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1181709492.

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17

Boscov, Jaime Alex. "Modelagem e desenvolvimento de um sistema de controle de combustão de biomassa de baixo custo." reponame:Repositório Institucional da UFC, 2014. http://www.repositorio.ufc.br/handle/riufc/10854.

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BOSCOV. J. A. Modelagem e desenvolvimento de um sistema de controle de combustão de biomassa de baixo custo. 2014. 110 f. Dissertação (Mestrado em Engenharia de Teleinformática) - Centro de Tecnologia, Universidade Federal do Ceará, Fortaleza, 2014.<br>Submitted by Marlene Sousa (mmarlene@ufc.br) on 2015-02-27T17:16:36Z No. of bitstreams: 1 2014_dis_jaboscov.pdf: 16420577 bytes, checksum: 5e1b722c5c61f6b7a3438450c719c472 (MD5)<br>Approved for entry into archive by Marlene Sousa(mmarlene@ufc.br) on 2015-03-04T17:28:23Z (GMT) No. of bitstreams: 1 2014_dis_jaboscov.pdf: 16420577 bytes, checksum:

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18

Johansson, Jenny, and Mikaela Waller. "Control Oriented Modeling of the Dynamics in a Catalytic Converter." Thesis, Linköping University, Department of Electrical Engineering, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-4154.

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<p>Avgasmängden som bensindrivna fordon tillåts släppa ut minskas hela tiden. Ett sätt att möta framtida krav, är att förbättra katalysatorns effektivitet. För att göra detta kan luft-bränsle-förhållandet regleras med avseende på syrelagringen i katalysatorn, istället för som idag, reglera mot stökiometriskt blandningsförhållande. Eftersom syrelagringen inte går att mäta med en givare behövs en modell som beskriver katalysatorns dynamiska egenskaper. Tre sådana modeller har undersökts, utvärderats och jämförts.</p><p>Två av modellerna har implementerats i Matlab/Simulink och anpassats till mät

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19

Hoang, Xuan Su. "The control of immune responses in chronic hepatitis C virus infection." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENV011/document.

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L'infection par le virus de l'hépatite C implique des processus d'interaction complexe entre l'hôte et le virus. Plusieurs facteurs de l'hôte incluant des polymorphismes génétiques et les réponses immunitaires influent sur l'infection et les réponses au traitement. Aussi, il est important d'identifier en amont les facteurs pour prédire la réponse au traitement. L'objectif de la thèse est d'étudier l'influence de certains polymorphismes génétiques de l'hôte sur la réponse à la bithérapie et sur le statut immunitaire du foie dans l'infection chronique par le VHC. L'étude a porté sur les polymorp

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20

Vergara, González Dianne Britt. "Mejora del proceso software de una pequeña empresa desarrolladora de software : caso COMPETISOFT-Perú Lambda." Bachelor's thesis, Pontificia Universidad Católica del Perú, 2008. http://tesis.pucp.edu.pe/repositorio/handle/123456789/358.

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Este proyecto de fin de carrera, presenta la implementación de un ciclo de mejora basado en el marco de trabajo de COMPETISOFT. Dicho proyecto se ejecuta en una pyme a la que denominaremos LAMBDA que cuenta con desarrollos e innovaciones propietarios en un campo muy especializado en hardware y software y tecnologías de Infraestructura, cabe resaltar que dicha empresa cuenta con la certificación ISO 9001:2000 en diseño y desarrollo de software, ello facilitó en gran medida a la ejecución del proyecto, ya que la cultura organizacional no mostró tanto rechazo al cambio, pues se entendía que los c

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21

Blagouchine, Iaroslav. "Modélisation et analyse de la parole : Contrôle d’un robot parlant via un modèle interne optimal basé sur les réseaux de neurones artificiels. Outils statistiques en analyse de la parole." Thesis, Aix-Marseille 2, 2010. http://www.theses.fr/2010AIX26666.

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Cette thèse de doctorat traite les aspects de la modélisation et de l'analyse de la parole, regroupés sous le chapeau commun de la qualité. Le premier aspect est représenté par le développement d'un modèle interne de contrôle de la production de la parole ; le deuxième, par le développement des outils pour son analyse. Un modèle interne optimal sous contraintes est proposé pour le contrôle d'un robot parlant, basé sur l'hypothèse du point d'équilibre (EPH, modèle-lambda). Ce modèle interne se repose sur le principe suivant : les mouvements du robot sont produits de telle façon que la longueur

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22

Atzemoglou, George Philip. "Higher-order semantics for quantum programming languages with classical control." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:9fdc4a26-cce3-48ed-bbab-d54c4917688f.

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This thesis studies the categorical formalisation of quantum computing, through the prism of type theory, in a three-tier process. The first stage of our investigation involves the creation of the dagger lambda calculus, a lambda calculus for dagger compact categories. Our second contribution lifts the expressive power of the dagger lambda calculus, to that of a quantum programming language, by adding classical control in the form of complementary classical structures and dualisers. Finally, our third contribution demonstrates how our lambda calculus can be applied to various well known proble

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23

Malaquias, José Bruno. "Interações do algodão Bt, do inseticida imidacloprid e do predador Podisus nigrispinus Dallas (Hemiptera: Pentatomidae) no manejo da resistência de Spodoptera frugiperda (J.E.Smith) (Lepidoptera: Noctuidade) a lambda-cyhalot." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/11/11146/tde-29052012-101249/.

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O presente estudo objetivou identificar as interações do Algodão Bt que expressa Cry1Ac (Bollgard®), com o predador Podisus nigrispinus Dallas (Hemiptera: Pentatomidae), no manejo da resistência de Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) a lambda-cyhalothrin em duas condições: ausência e presença do inseticida imidacloprid. Foram utilizadas lagartas de S. frugiperda provenientes das seguintes condições: linhagens resistentes (1) e suscetíveis (2) a lambda-cyhalothrin alimentadas de folhas de algodoeiro Bollgard® (DP 404 BG); e linhagens resistentes (3) e suscetíveis (4) a l

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24

Steiner-Oliveira, Carolina 1981. "Determinação de parametros de segurança e da associação do laser de CO2 ('lambda'=10,6 'mu'm) a composto fluoretados na progressão da desmineralização do esmalte dentario : estudos in vitro." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/288093.

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Orientador: Marines Nobre dos Santos Uchoa<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba<br>Made available in DSpace on 2018-08-06T14:54:47Z (GMT). No. of bitstreams: 1 Steiner-Oliveira_Carolina_M.pdf: 2452614 bytes, checksum: cd8304b4153cd0bfcc7b167b1691f06e (MD5) Previous issue date: 2006<br>Resumo: A irradiação do esmalte dentário com laser de CO2, especialmente se associada ao flúor, pode aumentar a resistência deste substrato ao desafio ácido. Esta tese, constituída por 2 artigos, teve por objetivos: estabelecer a menor densidade d

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25

Chong, Kok Hui. "Generation of efficient compilers by application of Single-Threading, Control Binding and Lambda-Lifting techniques." 1989. http://hdl.handle.net/2097/22467.

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26

Steiner, Mathias [Verfasser]. "Control of molecular spontaneous emission in an optical λ/2-microresonator [lambda/2-microresonator] / vorgelegt von Mathias Steiner". 2006. http://d-nb.info/981816126/34.

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27

Grube, Boris [Verfasser]. "A trigger control system for COMPASS and a measurement of the transverse polarization of Λ [lambda] and {Ξ [xi] hyperons from quasi-real photo-production / Boris Grube". 2006. http://d-nb.info/98014714X/34.

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28

Valiron, Benoît. "Semantics for a Higher Order Functional Programming Language for Quantum Computation." Phd thesis, 2008. http://tel.archives-ouvertes.fr/tel-00483944.

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L'objectif de cette thèse est de développer une sémantique d'ordre supérieur pour l'information quantique. S'appuyant sur les travaux de master (M.Sc.) de l'auteur, nous étudions un lambda-calcul pour le calcul quantique avec contrôle classique. Le langage comporte deux aspects. Le premier, émanant du théorème dit de « no-cloning » de l'information quantique, est le besoin de distinguer entre les données duplicables et celles non-duplicables. Pour tenir compte de la duplicabilité à l'ordre supérieur, nous utilisons un système de types inspiré par la logique linéaire, logique sensible à la noti

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29

Fernandes, Nuno Manuel Tavares. "A gestão estratégica nas PME: o caso da Empresa Lambda." Master's thesis, 2012. http://hdl.handle.net/10071/5368.

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Num contexto económico difícil, caracterizado pela globalização, pelo acelerado desenvolvimento tecnológico e pela incerteza do meio envolvente, a capacidade das empresas identificar e tomar decisões sobre fatores de interesse estratégico, torna-se fundamental para assegurar a sua sobrevivência. Contudo, a definição da estratégia, consubstanciada na visão, na missão e nos objetivos estratégicos, não é por si só sinónimo de sucesso. Mais importante ainda que a formulação estratégica é a sua implementação, sendo para tal necessário construir um processo de controlo de gestão adequado à re

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Mihaltchev, Pavel. "Control of posture and stability of the double-joint (Shoulder/Elbow) arm." Thèse, 2003. http://hdl.handle.net/1866/14480.

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