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Letteratura scientifica selezionata sul tema "Kinematic"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 maggio 2024

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Articoli di riviste sul tema "Kinematic"

Zhao, Rui Feng, Zhen Zhang e Jiu Qiang Cui. "The Kinematics Modeling and Simulation of a Mechanical Arm in Nuclear Industry with Postpositional Drive". Applied Mechanics and Materials 496-500 (gennaio 2014): 754–59. http://dx.doi.org/10.4028/www.scientific.net/amm.496-500.754.

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For the particularity of the environment in nuclear industry, this paper puts forward a modularized mechanical arm with postpositional drive. On the basis of structural characteristics and kinematic constraints, the kinematics of robotic arm is analyzed. The D-H method is used for describing the workspace, based on considering the kinematic constraints, the forward kinematics model is achieved. Using an improved search method, the inverse kinematics solution is obtained. Through the simulation on data processing software, the validity of positive kinematics model and inverse kinematic solutions are verified. Finally, the trajectory planning is completed on the three-dimensional modeling platform.

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Cho, Dong Kwon, Byoung Wook Choi e Myung Jin Chung. "Optimal conditions for inverse kinematics of a robot manipulator with redundancy". Robotica 13, n. 1 (gennaio 1995): 95–101. http://dx.doi.org/10.1017/s0263574700017525.

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SummaryThe algorithms of inverse kinematics based on optimality constraints have some problems because those are based only on necessary conditions for optimality. One of the problems is a switching problem, i.e., an undesirable configuration change from a maximum value of a performance measure to a minimum value may occur and cause an inverse kinematic solution to be unstable. In this paper, we derive sufficient conditions for the optimal solution of the kinematic control of a redundant manipulator. In particular, we obtain the explicit forms of the switching condition for the optimality constraintsbased methods. We also show that the configuration at which switching occurs is equivalent to an algorithmic singularity in the extended Jacobian method. Through a numerical example of a cyclic task, we show the problems of the optimality constraints-based methods. To obtain good configurations without switching and kinematical singularities, we propose a simple algorithm of inverse kinematics.

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Xu, Yi Chun, Bin Li e Xin Hua Zhao. "Influence upon Kinematics Performance of a Family of 3-PRS Parallel Mechanisms Affected by Kinematic Chain Layout". Applied Mechanics and Materials 321-324 (giugno 2013): 37–41. http://dx.doi.org/10.4028/www.scientific.net/amm.321-324.37.

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The influence upon kinematics performance of a family of 3-PRS parallel mechanisms affected by kinematic chain layout has been studied in this paper. Firstly, the locality arrangement parameters of single PRS kinematic chain are identified. According to these parameters values and their combinations, different arrangement of PRS kinematic chain are proposed, and variant configurations of 3-PRS parallel mechanisms are enumerated. Then, the inverse kinematic problems are solved, and the influential actions of kinematic chain layout on kinematic performance of these mechanisms are carried out. Simulation results illustrate that kinematic chain layout has direct influence upon kinematic performance of the 3-PRS parallel mechanisms.

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James, P. A., e B. Roth. "A Unified Theory for Kinematic Synthesis". Journal of Mechanical Design 116, n. 1 (1 marzo 1994): 144–54. http://dx.doi.org/10.1115/1.2919338.

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In this paper we derive an analytic method for obtaining infinitesimal kinematic synthesis results as a limiting process from finitely-separated position kinematics. Expanding on previous work, we extend the unified theory to include spatial kinematic synthesis and we present a new numerical method. The new methods serve to unity finite, infinitesimal, and hybrid kinematic synthesis into one theory for kinematic synthesis.

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Tolstosheev, A. K., e V. A. Tatarintsev. "Designing Statically Determinable Mechanisms of Technological Mechatronic Machines with Parallel Kinematics". Mekhatronika, Avtomatizatsiya, Upravlenie 20, n. 7 (4 luglio 2019): 428–36. http://dx.doi.org/10.17587/mau.20.428-436.

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The work is devoted to improving the reliability and manufacturability of mechatronic machine designs with parallel kinematics by replacing statically indeterminable manipulators with statically determinable mechanisms. A technique is proposed in which the design of statically determinable manipulators of technological mechatronic machines with parallel kinematics is performed by modifying the structure of prototypes and includes three steps: identifying and analyzing redundant links, eliminating redundant links, checking the correctness of eliminating redundant links. To determine the number of degrees of freedom of the mechanism, identify redundant links, and verify the solution, the authors use the proposed methodology for structural analysis of parallel structure mechanisms. In structural analysis, a manipulator is represented by a hierarchical structure and is considered as a parallel connection of elementary mechanisms with an open kinematic chain; as a kinematic chain consisting of leading and driven parts; as a set of links and kinematic pairs; as a kinematic connection of the output link and the rack. The article implements the following techniques for eliminating redundant links: mobility increase in kinematic pairs; introduction of unloading links and passive kinematic pairs to the kinematic chain; exclusion of extra links and pairs from the kinematic chain; increase in mobility in some kinematic pairs simultaneously with the exclusion of other kinematic pairs that have become superfluous. The authors developed several variants of structural schemes of self-aligning manipulators based on the Orthoglide mechanism, which retain the basic functional proper ties of the prototype. To increase the number of self-aligning mechanism diagrams, the redistribution of mobilities and links within the connecting kinematic chain and between connecting kinematic chains is used. The proposed methodics allow to determine the number of degrees of freedom of the mechanism, the number and type of redundant links, eliminate redundant links and, on an alternative basis, build structural diagrams of statically determinable mechanisms of technological mechatronic machines with parallel kinematics.

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Purwana, Unang, Dadi Rusdiana e Winny Liliawati. "PENGUJIAN KEMAMPUAN MENGINTERPRETASIKAN GRAFIK KINEMATIKA CALON GURU FISIKA: THE POLYTOMOUS RASCH ANALYSIS". ORBITA: Jurnal Kajian, Inovasi dan Aplikasi Pendidikan Fisika 6, n. 2 (8 novembre 2020): 259. http://dx.doi.org/10.31764/orbita.v6i2.3264.

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ABSTRAKKemampuan interpretasi grafik merupakan kemampuan yang sangat penting dan kunci utama dalam memahami materi kinematika dan materi fisika lanjutan. Namun kemampuan interpretasi grafik materi kinematika mahasiswa calon guru masih rendah. Tujuan penelitian ini menguji kemampuan membaca dan menginterpretasikan grafik kinematika calon guru dengan analisis polytomous rasch model. Instrumen terdiri dari empat soal uraian menyajikan grafik kinematika. Tes diberikan ke 20 mahasiswa calon guru, terdiri dari 14 perempuan dan 6 laki-laki. Metode yang digunakan survei deskriptif kuantitatif dengan analisis menggunakan rasch model dengan data politomi. Hasil yang diperoleh nilai reliabilitas 0,58 kategori lemah, tingkat kesukaran untuk 3 soal dalam kategori sukar dan satu soal kategori mudah, daya pembeda berkategori sangat baik untuk seluruh soal. Kemampuan membaca dan menginterpretasikan grafik kinematika secara keseluruhan cukup baik. Kesimpulannya instrumen dan analisis yang digunakan dapat menguji kemampuan menginterpretasikan grafik kinematika calon guru. Kata kunci: interpretasi; grafik, kinematika; polytomous rasch. ABSTRACTThe ability to interpret graphs is a very important ability and the main key in understanding kinematics and advanced physics materials. However, the ability to interpret graphs of prospective teachers is still low. The purpose of this study is to test the ability to read and interpret the kinematic graphs of prospective teachers using polytomous rasch model analysis. The instrument consists of four essay questions presenting a kinematic graph. The test was given to 20 prospective teachers, consisting of 14 females and 6 males. The method used is quantitative descriptive survey with analysis using the rasch model with polytomous data. The results obtained were the reliability value of 0.58 in the weak category, the level of difficulty for 3 questions in the difficult category and one question in the easy category, the distinguishing power was very good for all the questions. The overall ability to read and interpret kinematics graphs is quite good. In conclusion, the instruments and analysis used can test the ability to interpret the prospective teacher's kinematics graph. Keywords: interpretation; graph; kinematics; polytomous.

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Hanson, Robert B. "Statistical Analysis of Proper Motion Surveys". Symposium - International Astronomical Union 109 (1986): 43–45. http://dx.doi.org/10.1017/s0074180900076385.

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Proper motion surveys offer a great deal of data bearing on important astronomical problems such as stellar kinematics and the luminosity function in the solar neighborhood. Major obstacles to the full use of proper motions have long been posed by: (1) incompleteness of proper motion surveys, (2) proper motion bias in kinematic studies, and (3) the indirect approaches and kinematical assumptions needed in traditional luminosity studies.

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Tan, Yue Sheng, Peng Le Cheng e Ai Ping Xiao. "Inverse Kinematics Solution for a 6R Special Configuration Manipulators Based on Screw Theory". Advanced Materials Research 216 (marzo 2011): 250–53. http://dx.doi.org/10.4028/www.scientific.net/amr.216.250.

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Three basic sub-problems of screw theory are acceptable for some particular configuration manipulators’ inverse kinematics, which can not solve the inverse kinematics of all configuration manipulators. This paper introduces two extra extended sub-problems, through which all inverse kinematic solutions for 6-R manipulators having closed-form inverse kinematics can be gained. The inverse kinematic solution for a new particular configuration manipulator is presented.

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Freitas, Gustavo M., Antonio C. Leite e Fernando Lizarralde. "Kinematic control of constrained robotic systems". Sba: Controle & Automação Sociedade Brasileira de Automatica 22, n. 6 (dicembre 2011): 559–72. http://dx.doi.org/10.1590/s0103-17592011000600002.

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This paper addresses the posture control problem for robotic systems subject to kinematic constraints. The key idea is to consider the kinematic constraints of the mechanisms from their structure equations, instead of explicitly using the constraint equations. A case study for parallel robots and cooperating redundant robots is discussed based on the following concepts: forward kinematics, differential kinematics, singularities and kinematic control. Simulations results, obtained with a Four-Bar linkage mechanism, a planar Gough-Stewart platform and two cooperating robots, illustrate the applicability and versatility of the proposed methodology.

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Müller, Andreas. "Kinematic topology and constraints of multi-loop linkages". Robotica 36, n. 11 (2 agosto 2018): 1641–63. http://dx.doi.org/10.1017/s0263574718000619.

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SUMMARYModeling the instantaneous kinematics of lower pair linkages using joint screws and the finite kinematics with Lie group concepts is well established on a solid theoretical foundation. This allows for modeling the forward kinematics of mechanisms as well the loop closure constraints of kinematic loops. Yet there is no established approach to the modeling of complex mechanisms possessing multiple kinematic loops. For such mechanisms, it is crucial to incorporate the kinematic topology within the modeling in a consistent and systematic way. To this end, in this paper a kinematic model graph is introduced that gives rise to an ordering of the joints within a mechanism and thus allows to systematically apply established kinematics formulations. It naturally gives rise to topologically independent loops and thus to loop closure constraints. Geometric constraints as well as velocity and acceleration constraints are formulated in terms of joint screws. An extension to higher order loop constraints is presented. It is briefly discussed how the topology representation can be used to amend structural mobility criteria.

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Tesi sul tema "Kinematic"

Zaplana, Agut Isiah. "Solving robotic kinematic problems : singularities and inverse kinematics". Doctoral thesis, Universitat Politècnica de Catalunya, 2018. http://hdl.handle.net/10803/667496.

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Kinematics is a branch of classical mechanics that describes the motion of points, bodies, and systems of bodies without considering the forces that cause such motion. For serial robot manipulators, kinematics consists of describing the open chain geometry as well as the position, velocity and/or acceleration of each one of its components. Rigid serial robot manipulators are designed as a sequence of rigid bodies, called links, connected by motor-actuated pairs, called joints, that provide relative motion between consecutive links. Two kinematic problems of special relevance for serial robots are: - Singularities: are the configurations where the robot loses at least one degree of freedom (DOF). This is equivalent to: (a) The robot cannot translate or rotate its end-effector in at least one direction. (b) Unbounded joint velocities are required to generate finite linear and angular velocities. Either if it is real-time teleoperation or off-line path planning, singularities must be addressed to make the robot exhibit a good performance for a given task. The objective is not only to identify the singularities and their associated singular directions but to design strategies to avoid or handle them. - Inverse kinematic problem: Given a particular position and orientation of the end-effector, also known as the end-effector pose, the inverse kinematics consists of finding the configurations that provide such desired pose. The importance of the inverse kinematics relies on its role in the programming and control of serial robots. Besides, since for each given pose the inverse kinematics has up to sixteen different solutions, the objective is to find a closed-form method for solving this problem, since closed-form methods allow to obtain all the solutions in a compact form. The main goal of the Ph.D. dissertation is to contribute to the solution of both problems. In particular, with respect to the singularity problem, a novel scheme for the identification of the singularities and their associated singular directions is introduced. Moreover, geometric algebra is used to simplify such identification and to provide a distance function in the configuration space of the robot that allows the definition of algorithms for avoiding them. With respect to the inverse kinematics, redundant robots are reduced to non-redundant ones by selecting a set of joints, denoted redundant joints, and by parameterizing their joint variables. This selection is made through a workspace analysis which also provides an upper bound for the number of different closed-form solutions. Once these joints have been identified, several closed-form methods developed for non-redundant manipulators can be applied to obtain the analytical expressions of all the solutions. One of these methods is a novel strategy developed using again the conformal model of the spatial geometric algebra. To sum up, the Ph.D dissertation provides a rigorous analysis of the two above-mentioned kinematic problems as well as novel strategies for solving them. To illustrate the different results introduced in the Ph.D. memory, examples are given at the end of each of its chapters.
La cinemática es una rama de la mecánica clásica que describe el movimiento de puntos, cuerpos y sistemas de cuerpos sin considerar las fuerzas que causan dicho movimiento. Para un robot manipulador serie, la cinemática consiste en la descripción de su geometría, su posición, velocidad y/o aceleración. Los robots manipuladores serie están diseñados como una secuencia de elementos estructurales rígidos, llamados eslabones, conectados entres si por articulaciones actuadas, que permiten el movimiento relativo entre pares de eslabones consecutivos. Dos problemas cinemáticos de especial relevancia para robots serie son: - Singularidades: son aquellas configuraciones donde el robot pierde al menos un grado de libertad (GDL). Esto equivale a: (a) El robot no puede trasladar ni rotar su elemento terminal en al menos una dirección. (b) Se requieren velocidades articulares no acotadas para generar velocidades lineales y angulares finitas. Ya sea en un sistema teleoperado en tiempo real o planificando una trayectoria, las singularidades deben manejarse para que el robot muestre un rendimiento óptimo mientras realiza una tarea. El objetivo no es solo identificar las singularidades y sus direcciones singulares asociadas, sino diseñar estrategias para evitarlas o manejarlas. - Problema de la cinemática inversa: dada una posición y orientación del elemento terminal (también conocida como la pose del elemento terminal), la cinemática inversa consiste en obtener las configuraciones asociadas a dicha pose. La importancia de la cinemática inversa se basa en el papel que juega en la programación y el control de robots serie. Además, dado que para cada pose la cinemática inversa tiene hasta dieciséis soluciones diferentes, el objetivo es encontrar un método cerrado para resolver este problema, ya que los métodos cerrados permiten obtener todas las soluciones en una forma compacta. El objetivo principal de la tesis doctoral es contribuir a la solución de ambos problemas. En particular, con respecto al problema de las singularidades, se presenta un nuevo método para su identificación basado en el álgebra geométrica. Además, el álgebra geométrica permite definir una distancia en el espacio de configuraciones del robot que permite la definición de distintos algoritmos para evitar las configuraciones singulares. Con respecto a la cinemática inversa, los robots redundantes se reducen a robots no-redundantes mediante la selección de un conjunto de articulaciones, las articulaciones redundantes, para después parametrizar sus variables articulares. Esta selección se realiza a través de un análisis de espacio de trabajo que también proporciona un límite superior para el número de diferentes soluciones en forma cerrada. Una vez las articulaciones redundantes han sido identificadas, varios métodos en forma cerrada desarrollados para robots no-redundantes pueden aplicarse a fin de obtener las expresiones analíticas de todas las soluciones. Uno de dichos métodos es una nueva estrategia desarrollada usando el modelo conforme del álgebra geométrica tridimensional. En resumen, la tesis doctoral proporciona un análisis riguroso de los dos problemas cinemáticos mencionados anteriormente, así como nuevas estrategias para resolverlos. Para ilustrar los diferentes resultados presentados en la tesis, la memoria contiene varios ejemplos al final de cada uno de sus capítulos.

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Šimková, Kristýna. "Návrh SW pro řízení delta robotu". Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-400926.

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This thesis deals with software creation for delt robot in TwinCAT 3 program. First part describes the general characteristics of a delta robot. Next part deals with hardware and PLC coding in TwinCAT 3 and the final part discusses the creation of an application.

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Kozubík, Jiří. "Experimentální robotizované pracoviště s delta-robotem". Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229633.

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This diploma thesis was written within Czech-German study programme Production systems (VUT v Brně & TU Chemnitz). This thesis is divided into four main parts. In the first part is brought out the introduction to design of robotic cells. Following part is concentrated on analysis of present state in area of machines with parallel kinematics. The penultimate part, on which is focused the main attention, is dedicated to kinematic analysis of delta-robot. Closing part of this Thesis presents the study of experimental robotized workplace with integrated delta-robot.

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Fabricius, Maximilian Hieronymus. "Kinematics across bulge types a longslit kinematic survey and dedicated instrumentation". Diss., lmu, 2012. http://nbn-resolving.de/urn:nbn:de:bvb:19-144409.

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Summerfield, Philip John. "Kinematic GPS surveying". Thesis, University of Nottingham, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.254471.

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Cuffaro, Marco. "Plate Kinematic Models". Doctoral thesis, La Sapienza, 2007. http://hdl.handle.net/11573/917380.

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Centea, Dan Elbestawi Mohamed A. A. "Design, kinematics and dynamics of a machine tool based on parallel kinematic structure". *McMaster only, 2004.

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Whittingham, Ben. "Applications of the kinematic modelling of a parallel kinematic mechanism machine tool". Thesis, University of Nottingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.272714.

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Liu, Zheng 1962. "Kinematic optimization of linkages". Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39742.

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Presented in this thesis are novel methodologies for the analysis and optimization of planar, spherical, and spatial linkages associated with the problems of function generation, path generation, and rigid-body guidance. An up-to-date literature survey in the area of mechanism optimization is also provided in the thesis.
Both the input-output (I/O) equation and the I/O curve are employed in the input-output analysis of four-bar linkages. Based on these, the properties of a special class of linkage, the constant-branch linkage, as well as its engineering application are discussed. Two schemes are developed for the optimization of function-generating linkages, namely, a constrained least-square procedure using slack variables and an unconstrained method based on I/O curve planning. The issue of data-conditioning is also discussed so that singularities can be avoided in the optimization procedure.
With the help of linkage coordinate systems defined in this thesis, equations governing the coupler-link motion are derived for both path generation and rigid-body guidance. In the optimization of path-generating and rigid-body guiding linkages, a two-loop scheme based on a constrained least-square procedure is first proposed. Then, as an extension to I/O curve planning in function generation, a method resorting to input-output-coupler (I/O-C) curve planning is developed for path generation and rigid-body guidance. Using unconstrained approaches, this method simplifies the optimization procedure to a great extent.

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Walsh, David M. A. "Kinematic GPS ambiguity resolution". Thesis, University of Nottingham, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239858.

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Libri sul tema "Kinematic"

Radzevich, S. P. Kinematic geometry of surface machining. Boca Raton: CRC Press, 2008.

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Boër, C. R., L. Molinari-Tosatti e K. S. Smith, a cura di. Parallel Kinematic Machines. London: Springer London, 1999. http://dx.doi.org/10.1007/978-1-4471-0885-6.

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Jackson, J. David. Relativistic kinematics: A guide to the kinematic problem of highenergy physics. New York: W.A. Benjamin Inc., 2012.

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Dooner, David B. Kinematic Geometry of Gearing. Chichester, UK: John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781119942474.

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E, Meadows Michael, a cura di. Kinematic hydrology and modelling. Amsterdam: Elsevier, 1986.

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Kinematic geometry of mechanisms. Oxford: Clarendon Press, 1990.

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Dooner, David B. Kinematic geometry of gearing. 2^a ed. Chichester, West Sussex: Wiley, 2012.

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Söylemez, Eres. Kinematic Synthesis of Mechanisms. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-30955-7.

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Chèze, Laurence. Kinematic Analysis of Human Movement. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781119058144.

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1937-, Duffy Joseph, a cura di. Kinematic analysis of robot manipulators. Cambridge, U.K: Cambridge University Press, 1998.

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Capitoli di libri sul tema "Kinematic"

Youssef, Fady, e Sebastian Kassner. "Kinematic Design". In Springer Series on Touch and Haptic Systems, 267–307. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04536-3_8.

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AbstractOne aspect in haptic devices is the design of the kinematics. The kinematics of a mechanism is the key to implement and accomplish the design goals, like transmitting dynamic feedback in the form of forces or torques, or allowing a sufficient workspace for the user to interact with environment. This chapter introduces the steps of the kinematic design. The chapter consists of five main sections. The first section gives an overview on some basic definitions and the main types of mechanisms. In the second section, the first step in the design, defining the structure of the mechanism, is introduced. This is accompanied with an example. After choosing the most applicable structure for the desired application, the second step takes place, where the kinematic equations are solved. These equations are used to describe the relation between the operating point of the mechanism and the base at any point in time. Different approaches are used to solve those equations depending on the type of the mechanism used. The third and final step in the design process is introduced in the fourth section. This step contains the optimization process of the mechanism in order to achieve a desired operation of the mechanism. Last but not least, the importance of modeling and simulation is discussed in the last section.

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Huang, Zhen, Qinchuan Li e Huafeng Ding. "Kinematic Influence Coefficient and Kinematics Analysis". In Theory of Parallel Mechanisms, 135–62. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4201-7_5.

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Hamlin, Gregory J., e Arthur C. Sanderson. "Kinematic Control". In Tetrobot, 113–23. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5471-4_6.

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Kassner, Sebastian. "Kinematic Design". In Springer Series on Touch and Haptic Systems, 227–52. London: Springer London, 2014. http://dx.doi.org/10.1007/978-1-4471-6518-7_8.

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Pott, Andreas. "Kinematic Codes". In Springer Tracts in Advanced Robotics, 119–55. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-76138-1_4.

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McCarthy, J. Michael. "Kinematic Synthesis". In 21st Century Kinematics, 13–48. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-4510-3_2.

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Angeles, Jorge. "Kinematic Chains". In Springer Tracts in Natural Philosophy, 78–122. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3916-1_5.

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Vukobratović, Miomir, e Manja Kirćanski. "Kinematic Equations". In Kinematics and Trajectory Synthesis of Manipulation Robots, 1–52. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82195-0_1.

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Stone, Henry W. "Kinematic Identification". In The Kluwer International Series in Engineering and Computer Science, 43–78. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1999-3_4.

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Tarnai, Tibor. "Kinematic Bifurcation". In Deployable Structures, 143–69. Vienna: Springer Vienna, 2001. http://dx.doi.org/10.1007/978-3-7091-2584-7_8.

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Atti di convegni sul tema "Kinematic"

Bi, Z. M., Y. Jin, R. Gibson e P. McTotal. "Kinematics of parallel kinematic machine Exechon". In 2009 International Conference on Information and Automation (ICIA). IEEE, 2009. http://dx.doi.org/10.1109/icinfa.2009.5204921.

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Yang, Wenlong, Wei Dong e Zhijiang Du. "Kinematics modeling for a kinematic-mechanics coupling continuum manipulator". In 2014 International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO). IEEE, 2014. http://dx.doi.org/10.1109/3m-nano.2014.7057344.

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James, Paul A., e Bernard Roth. "A Unified Theory for Kinematic Synthesis". In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0345.

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Abstract In this paper we derive an analytic method for obtaining infinitesimal kinematic synthesis results as a limiting process from finitely-separated position kinematics. Expanding on previous work, we extend the unified theory to include spatial kinematic synthesis and we present a new numerical method. These new methods serve to unify finite, infinitesimal, and hybrid kinematic synthesis into one theory for kinematic synthesis.

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Klett, Yves, e Peter Middendorf. "Kinematic Analysis of Congruent Multilayer Tessellations". In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-47340.

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Rigidly foldable origami tessellations exhibit interesting kinematic properties. Several tessellation types (most prominently Miura-ori) have shown potential for technical application in aerospace and general lightweight construction. In addition to static (e.g. as core structures for sandwich components) and single-layer kinematic (e.g. deployable) applications, new possibilities arise from the combination of several layers of tessellations with congruent kinematics. This paper presents an analytical description of the kinematics of multi-layered, or stacked, globally plane tessellations which retain rigid foldability by congruent, compatible movement.

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Rico, J. M., J. J. Cervantes, A. Tadeo, J. Gallardo, L. D. Aguilera e C. R. Diez. "Infinitesimal Kinematics Methods in the Mobility Determination of Kinematic Chains". In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-86489.

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In recent years, there has been a good deal of controversy about the application of infinitesimal kinematics to the mobility determination of kinematic chains. On the one hand, there has been several publications that promote the use of the velocity analysis, without any additional results, for the determination of the mobility of kinematic chains. On the other hand, the authors of this contribution have received several reviews of researchers who have the strong belief that no infinitesimal method can be used to correctly determine the mobility of kinematic chains. In this contributions, it is attempted to show that velocity analysis by itself can not correctly determine the mobility of kinematic chains. However, velocity and higher order analysis coupled with some recent results about the Lie algebra, se(3), of the Euclidean group, SE(3), can correctly determine the mobility of kinematic chains.

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Shevlin, Fergal P. "Kinematic resection". In Photonics for Industrial Applications, a cura di Robert A. Melter e Angela Y. Wu. SPIE, 1995. http://dx.doi.org/10.1117/12.198603.

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Fung, Richard, Edward Lank, Michael Terry e Celine Latulipe. "Kinematic templates". In the 21st annual ACM symposium. New York, New York, USA: ACM Press, 2008. http://dx.doi.org/10.1145/1449715.1449725.

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Rosyid, Abdur, Bashar El-Khasawneh e Anas Alazzam. "Nonlinear estimation for kinematic calibration of 3PRR planar parallel kinematics manipulator". In 2017 7th International Conference on Modeling, Simulation, and Applied Optimization (ICMSAO). IEEE, 2017. http://dx.doi.org/10.1109/icmsao.2017.7934847.

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Maric, Filip, Matthew Giamou, Soroush Khoubyarian, Ivan Petrovic e Jonathan Kelly. "Inverse Kinematics for Serial Kinematic Chains via Sum of Squares Optimization". In 2020 IEEE International Conference on Robotics and Automation (ICRA). IEEE, 2020. http://dx.doi.org/10.1109/icra40945.2020.9196704.

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Wen, Haiying, Ming Cong, Wenlong Qin e Weiliang Xu. "Contact kinematics of spatial higher kinematic pairs of a masticatory robot". In 2016 23rd International Conference on Mechatronics and Machine Vision in Practice (M2VIP). IEEE, 2016. http://dx.doi.org/10.1109/m2vip.2016.7827333.

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Rapporti di organizzazioni sul tema "Kinematic"

Webb, Philip. Deployment of Parallel Kinematic Machines in Manufacturing. SAE International, aprile 2022. http://dx.doi.org/10.4271/epr2022010.

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The field of parallel kinematics was viewed as being potentially transformational in manufacturing, having multiple potential advantages over conventional serial machine tools and robots. However, the technology never quite achieved market penetration or broad success envisaged. Yet, many of the inherent advantages still exist in terms of stiffness, force capability, and flexibility when compared to more conventional machine structures. Deployment of Parallel Kinematic Machines in Manufacturing examines why parallel kinematic machines have not lived up to original excitement and market interest and what needs to be done to rekindle that interest. A number of key questions and issues need to be explored to advance the technology further.

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Henry, R. S. Parallel Kinematic Machines (PKM). Office of Scientific and Technical Information (OSTI), marzo 2000. http://dx.doi.org/10.2172/752338.

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Mattione, Paul. Kinematic Fitting of Detached Vertices. Office of Scientific and Technical Information (OSTI), maggio 2007. http://dx.doi.org/10.2172/903056.

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Farnsworth, Grant V., e Allen Conrad Robinson. Improved kinematic options in ALEGRA. Office of Scientific and Technical Information (OSTI), dicembre 2003. http://dx.doi.org/10.2172/918209.

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Bourne, D. A., D. Navinchandra e R. Ramaswamy. Relating Tolerances and Kinematic Behavior. Fort Belvoir, VA: Defense Technical Information Center, aprile 1989. http://dx.doi.org/10.21236/ada211125.

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Howell, Stephen M. Kinematic Total Knee Replacement (TKR). Touch Surgery Simulations, marzo 2015. http://dx.doi.org/10.18556/touchsurgery/2015.s0045.

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Park, J. FIT70 - A Kinematic Fitting Routine. Office of Scientific and Technical Information (OSTI), giugno 2018. http://dx.doi.org/10.2172/1453907.

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Barraquand, Jerome, e Jean-Claude Latombe. Controllability of Mobile Robots with Kinematic Constraints. Fort Belvoir, VA: Defense Technical Information Center, giugno 1990. http://dx.doi.org/10.21236/ada326998.

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Charlton, J. C., e M. S. Turner. Kinematic tests of exotic flat cosmological models. Office of Scientific and Technical Information (OSTI), maggio 1986. http://dx.doi.org/10.2172/5608890.

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Binkley, M., e A. Beretvas. Overview of kinematic variables in top production. Office of Scientific and Technical Information (OSTI), settembre 1996. http://dx.doi.org/10.2172/405161.

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