Positioning Error
Positioning Error Analysis and Compensation of Differential Precision Workbench
... Differential positioning error compensation method, the differential sampling precision worktable transmission end position, to get the actual samples values and compare the ideal value,the design of ...
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Testing the VEMCO Positioning System: spatial distribution of the probability of location and the positioning error in a reservoir
... the positioning error significantly differed inside (n = 243, mean = ...highest positioning error sites (>5 m) were located out- side the receiver array (Figures 3 and ...a ...
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VOLUMETRIC ACCURACY ANALYSIS BASED ON GENERALIZED POSITIONING ERROR MODEL IN THREE-AXIS CNC MACHINE TOOL
... generalized positioning error model associated with three axes CNC machine tool as well as to examine the effect of the error component on the volumetric accuracy at the final cutting point ...
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Laser Interferometer Based Measurement for Positioning Error Compensation in Cartesian Multi Axis Systems
... The positioning accuracy is defined by the deviation between the programmed posi- tion and the actual tool position in the MAS workspace (cutting tools, probe or other end ...a positioning error at ...
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On the positioning error of a 2-DOF spherical parallel wrist with flexible links and joints – an FEM approach
... The remainder of the paper is organized as follows. Sec- tion 2 describes the kinematics and the mechanics of the par- allel spherical wrist studied in this work; specifications and requirements of the machine are ...
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Accuracy Enhancement of CNC Turning by Linear Positioning Error Compensation
... positional error in axes is approximately ...dimensional error of the ...force-induced error has been identified and ...dimensional error, by analysis and comparing data of all eight cut tests ...
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A STUDY OF GPS POSITIONING ERROR ASSOCIATED WITH TROPOSPHERIC DELAY DURING NUMA MEDITERRANEAN CYCLONE
... L a c k o f s y s t e m a t ic a l l y c o l l e c t e d meteorological data prevented a more thorough analysis of Saastamoinen correction based on actual observations, rather than the utilisation of the standard ...
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Positioning error and expanding margins of planning target volume with kilovoltage cone beam computed tomography for prostate cancer radiotherapy
... To improve the accuracy of radiotherapy and reduce the irradiated volume of normal tissues and risk organs as far as possible, reasonable PTV margins should differ based on different radiotherapy conditions in different ...
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Algorithm of Hand-Eye Calibration for Industrial Robot
... the positioning plane and ...accuracy error. In order to reduce the positioning error of hand-eye vision system, this paper considers the obtainment of transform matrix as multiobjective ...
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Estimation and Calibration of Robot Link Parameters with Intelligent Techniques
... To calibrate robotic manipulators, Everett et al. [10] presented a new kinematic model for achieving better kinematic representation. Chen and Chao [11], improve the manipulators positioning error by ...
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Simulation of Fusion Localization Based on a Single WiFi AP and PDR
... The positioning error of PDR won’t converge if there isn’t any other assistance due to accumulative localization error resulting from heading and step length estimation ...overcome error ...
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An Indoor Ultrasonic Positioning System with Fast TOA Approach in Distance Space
... The positioning approach based on RSSI is as follows: firstly, the receiving node obtains the signal strength from the transmitting node, and calculates the signal propagation loss based on the strength of the ...
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Enhancing Wi-Fi fingerprinting for indoor positioning using human-centric collaborative feedback
... average positioning accuracy after nine such rounds of visiting and testing each position is plotted in Figure ...the positioning error within the training area improved from approximately ...
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A weighted compensation of coordinate error localization algorithm based on RSSI
... the positioning, and the ordinate represents the positioning ...of positioning error is: ...of positioning error is: ...of positioning error is: ...of ...
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Optical boundaries for LED-based indoor positioning system
... fingerprinting positioning systems that involve overlap of LED beams and use the PDM multiplexing ...in positioning time can be ...the positioning time of the ...the positioning delay by a ...
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Error Compensation for 3 axis Machine Tools
... are positioning error, angular error in XZ plane and straightness error in the XZ plane, ...the positioning error increases continuously, the maximum is ...angular error ...
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A Self Positioning Algorithm Based on Wireless Signal's Angle of Arrival and its Evaluation
... the positioning effect within the triangle is the ...the positioning effect will be very poor, as shown in Figure ...real positioning scene, three transmitters on the same straight line should not be ...
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Research on Improved Pedestrian Dead Reckoning Algorithms
... of positioning to study indoor positioning technology using smart phone as hardware platform and using the rich sensors of smart phone as ...the positioning error is obvious and the ideal ...
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LED-based indoor positioning system using novel optical pixelation technique
... for positioning purposes, the application in this work focusses the beam from a LED to a part of a ...indoor positioning by increasing the resolution of LED ...reduces positioning error and it ...
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GPS for Amateur Astronomer: How Wrong Can You Be?
... Although GPS derived coordinate is not the geographical coordinate as needed for telescope positioning, further analyses has found thaI the total error in its deri[r] ...
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