Academic literature on the topic 'Hexapod, PKM, parallel kinematic, calibration'

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Journal articles on the topic "Hexapod, PKM, parallel kinematic, calibration"

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Yang, Xiao Jun, Bing Li, and Dong Lai Zhang. "Kinematics Calibration of Parallel Kinematic Machine Using a Developed Double-Ball Bar Gauge." Key Engineering Materials 364-366 (December 2007): 243–48. http://dx.doi.org/10.4028/www.scientific.net/kem.364-366.243.

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In this paper a novel constraint calibration technique for Stewart platform based Parallel Kinematics Machine(PKM) is presented. A commercial trigger probe and a developed double-ball bar gauge are employed to aid the calibration. In the measuring process the characterized errors can be obtained by comparing the nominal characterized size calculated by the function using the measuring data with the real size of the double-ball gauge. An optimization approach is used to calculate the PKM structural errors, and these errors can be finally compensated into the control model. The error transferrin
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Verner, Marcel, Fengfeng Xi, and Chris Mechefske. "Optimal Calibration of Parallel Kinematic Machines." Journal of Mechanical Design 127, no. 1 (2005): 62–69. http://dx.doi.org/10.1115/1.1828461.

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In this paper, a new method for optimal calibration of parallel kinematic machines (PKMs) is presented. The basis of the methodology is to exploit the least error sensitive regions in the workspace to yield optimal calibration. To do so, an error model is developed that takes into consideration all the geometric errors due to imprecision in manufacturing and assembly. Based on this error model, it is shown that the error mapping from the geometric errors to the pose error of the PKM depends on the Jacobian inverse. The Jacobian inverse would introduce spurious errors that would affect the cali
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HUANG, Tian. "Kinematic calibration of a class of parallel kinematic machines (PKM) with fewer than six degrees of freedom." Science in China Series E 46, no. 5 (2003): 515. http://dx.doi.org/10.1360/02ye0277.

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YOKAWA, Takeshi, Soichi IBARAKI, Atsushi MATSUBARA, Masao NAKAGAWA, and Tetsuya MATSUSHITA. "1321 A Kinematic Calibration Method under the Cancellation of Gravity-induced Errors on a Hexapod-type Parallel Kinematic Machine Tool." Proceedings of Conference of Kansai Branch 2005.80 (2005): _13–41_—_13–42_. http://dx.doi.org/10.1299/jsmekansai.2005.80._13-41_.

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Jeong, Hyungjin, Jiwon Yu, and Donghun Lee. "Calibration of In-Plane Center Alignment Errors in the Installation of a Circular Slide with Machine-Vision Sensor and a Reflective Marker." Sensors 20, no. 20 (2020): 5916. http://dx.doi.org/10.3390/s20205916.

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This paper describes a method for calibrating in-plane center alignment error (IPCA) that occurs when installing the circular motion slide (CMS). In this study, by combini ng the moving carriage of the CMS and the planar PKM (parallel kinematic mechanism) with the machine tool, the small workspace of the PKM is expanded, and the workpiece is placed on the table with the CMS installed is processed through the machine tool. However, to rigidly mount the CMS on the table, the preload between the guide and the support bearings must be adjusted with the eccentric bearing, and in this process, the I
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Pavlenko, Ivan, Maksym Hodunko, and Oleg Kyslun. "Research Motor Capabilities of the Executive Authority (MP) PKM When Making Cross Motion Angle." Central Ukrainian Scientific Bulletin. Technical Sciences, no. 3(34) (October 2020): 117–29. http://dx.doi.org/10.32515/2664-262x.2020.3(34).117-129.

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For the manufacture of parts of complex shapes, it becomes necessary to move the cutting tool along the line at a certain angle. For this, machines equipped with mechanisms of parallel structure are used. Only a study of the movable capabilities of these mechanisms makes it possible to introduce them into production. The studies focus on the transverse movement of the center of the moving platform of the parallel structure mechanism for a hexapod machine, as a material point moving along a line depending on the angle of contact of the tool and the perpendicular to the plane of the work surface
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Tuan, Pham Anh. "Special Issue on Parallel Structures in Manufacturing and Robotics." International Journal of Automation Technology 4, no. 4 (2010): 325. http://dx.doi.org/10.20965/ijat.2010.p0325.

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The first parallel robot – a hexapod – although invented and built in 1947 by Dunlop Tyres’ Dr. Eric Gough, is still commonly known as the Steward Platform after Dr. D. Steward, who published the first research paper on the parallel structure. This opened a new era in parallel structures, which find applications in numerous industries thanks to their many advantages over their serial counterparts, including high-speed, high-accuracy operations, high rigidity, and use in limited workspace. The most noticeable of these are flight and vehicle simulators and high-speed, high-precision machining ap
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NAKAGAWA, Masao, Tetsuya MATSUSHITA, Masayuki NASHIKI, Yoshiaki KAKINO, and Yukitoshi IHARA. "A Study on the Improvement of Motion Accuracy of Hexapod type Parallel Mechanism Machine Tool(1st Report). The method of Kinematic Calibration without Gravitation Deformation." Journal of the Japan Society for Precision Engineering 67, no. 8 (2001): 1333–37. http://dx.doi.org/10.2493/jjspe.67.1333.

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Dissertations / Theses on the topic "Hexapod, PKM, parallel kinematic, calibration"

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Szatmari, Szabolcs. "Kinematic Calibration of Parallel Kinematic Machines on the Example of the Hexapod of Simple Design." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2007. http://nbn-resolving.de/urn:nbn:de:swb:14-1194357963765-04082.

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The aim of using parallel kinematic motion systems as an alternative of conventional machine tools for precision machining has raised the demands made on the accuracy of identification of the geometric parameters that are necessary for the kinematic transformation of the motion variables. The accuracy of a parallel manipulator is not only dependent upon an accurate control of its actuators but also upon a good knowledge of its geometrical characteristics. As the platform's controller determines the length of the actuators according to the nominal model, the resulted pose of the platform is ina
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Szatmári, Szabolcs. "Kinematic Calibration of Parallel Kinematic Machines on the Example of the Hexapod of Simple Design." Dresden : Inst. für Werkzeugmaschinen und Steuerungstechnik, Lehrstuhl für Werkzeugmaschinen, 2007. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=016374557&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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Szatmári, Szabolcs [Verfasser]. "Kinematic calibration of parallel kinematic machines on the example of the hexapod of simple design / Szabolcs Szatmári. Hrsg. von Knut Großmann. [Technische Universität Dresden, Fakultät Maschinenwesen, Institut für Werkzeugmaschinen und Steuerungstechnik, Lehrstuhl für Werkzeugmaschinen]." Dresden : Inst. für Werkzeugmaschinen und Steuerungstechnik, Lehrstuhl für Werkzeugmaschinen, 2007. http://d-nb.info/1000837432/34.

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Book chapters on the topic "Hexapod, PKM, parallel kinematic, calibration"

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Ziegert, J. C., B. Jokiel, and C. C. Huang. "Calibration and Self-Calibration of Hexapod Machine Tools." In Parallel Kinematic Machines. Springer London, 1999. http://dx.doi.org/10.1007/978-1-4471-0885-6_13.

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Conference papers on the topic "Hexapod, PKM, parallel kinematic, calibration"

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Xi, Fengfeng, Marcel Verner, and Chris Mechefske. "Error Sensitivity Analysis for Optimal Calibration of Parallel Kinematic Machines." In ASME 2002 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/detc2002/dac-34113.

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In this paper, error sensitivity analysis is discussed for the purpose of optimal calibration of parallel kinematic machines (PKMs). The idea is to find a less error sensitive area in the workspace for calibration. To do so, an error model is developed that takes into consideration all the geometric errors due to imprecision in manufacturing and assembly. Based on this error model, it is shown that the error mapping from the geometric errors to the pose error of the PKM depends on the Jacobian inverse. The Jacobian inverse would introduce spurious errors that would affect the calibration resul
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Gabrielli, Andrea, Alberto Borboni, Luca Carbonari, and Matteo-Claudio Palpacelli. "Kinematic Calibration of a 2-DOF Parallel Orientation Manipulator: Theory and Simulation Results." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65614.

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The objective of this work is the calibration analysis of a 2-DOF orientation manipulator, conceived for micro-orientation tasks inside a microassembly workcell. The proposed device is an overconstrained spherical five-bar mechanism, already widely studied in the scientific literature and known for being a simple but robust solution for the realization of robot wrists; its 5R parallel kinematics architecture allows a wide orientation workspace and good accuracy performances. The present paper sets the theoretical bases for the “geometrical calibration” of the PKM (Parallel Kinematics Machine)
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