Relevant bibliographies by topics / On-line path correction

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'On-line path correction'

Author: Grafiati
Published: 28 June 2021
Last updated: 29 July 2025

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Journal articles on the topic "On-line path correction"

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Li, Liangming, and Aihua Yang. "Correction Algorithm of Tennis Dynamic Image Serving Path Based on Symmetric Algorithm." Symmetry 14, no. 9 (2022): 1833. http://dx.doi.org/10.3390/sym14091833.

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The existing target tracking algorithm of the tennis dynamic image serving path cannot correct the serving path in time according to the physical characteristics of the target, resulting in poor correction accuracy and stability. To this end, this paper proposes correction algorithm of tennis dynamic image serving path based on symmetric algorithm. Dynamic images are obtained using the visual acquisition model. On this basis, the contour of the moving target is obtained by the symmetric algorithm, and the complete moving target is obtained by the background difference method. The physical prop
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Sun, Shujie, Dong Yu, Changhui Wang, and Chuanning Xie. "A smooth tool path generation and real-time interpolation algorithm based on B-spline curves." Advances in Mechanical Engineering 10, no. 1 (2018): 168781401775028. http://dx.doi.org/10.1177/1687814017750281.

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In the machining progress of free-form surface, tool path is presented as continuous small line segments. To achieve high machining speed and fine machining quality, the tool path needs to be smoothed. This study presents a smooth tool path generation algorithm based on B-spline curves for small line segments machining. The algorithm includes two modules: smooth tool path generation module and real-time look-ahead interpolation module. In the smooth tool path generation module, the tool path is divided into non-fitting regions and fitting regions by three conditions: the length of small line s
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Belchior, Jérémy, Dominique Guines, Lionel Leotoing, and Eric Ragneau. "Force Prediction for Correction of Robot Tool Path in Single Point Incremental Forming." Key Engineering Materials 554-557 (June 2013): 1282–89. http://dx.doi.org/10.4028/www.scientific.net/kem.554-557.1282.

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In this work, an off-line compensation procedure, based on an elastic modelling of the machine structure coupled with a Finite Element Analysis (FEA) of the process is applied to Robotized Single Point Incremental Forming (RSPIF). Assuming an ideal stiff robot, the FEA evaluates the Tool Center Point (TCP) forces during the forming stage. These forces are then defined as an input data of the elastic robot model to predict and correct the tool path deviations. In order to make efficient the tool path correction, the weight of three numerical and material parameters of the FEA on the predicted f
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Frehlich, Rod, Robert Sharman, Charles Clough, et al. "Effects of Atmospheric Turbulence on Ballistic Testing." Journal of Applied Meteorology and Climatology 47, no. 5 (2008): 1539–49. http://dx.doi.org/10.1175/2007jamc1775.1.

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Abstract The effects of atmospheric turbulence on munition target scatter are determined from numerical simulations of ballistic trajectories through many realizations of realistic simulated turbulent wind fields. A technique is evaluated for correcting for the effects of turbulence on ballistic testing procedures by using a line of sonic anemometer measurements taken along the trajectory path. The metric used to evaluate the correction is the difference between the target impact scatter produced with and without the use of the anemometers in the trajectory calculations. The improvement in the
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Liu, Huaming, Rumeng Shi, Xuehui Bi, Xiuyou Wang, and Weilan Wang. "Line Segmentation of Tibetan Ancient Books Based on A* Algorithm." Journal of Physics: Conference Series 2356, no. 1 (2022): 012046. http://dx.doi.org/10.1088/1742-6596/2356/1/012046.

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Line segmentation is an important step in image character recognition. However, due to the problems of interline adhesion, overlapping, and skewing of document images, the effect of text line segmentation is not ideal. Therefore, further research on image line segmentation of Tibetan ancient books is urgently needed. The standard A* algorithm is not ideal for line segmentation of Tibetan ancient books, so this paper proposes a block-based A* algorithm for line segmentation of Tibetan ancient books. The method firstly preprocesses the image such as binarization and tilt correction and then perf
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Qiu, Changwu, Qixin Cao, and Shouhong Miao. "An on-line task modification method for singularity avoidance of robot manipulators." Robotica 27, no. 4 (2009): 539–46. http://dx.doi.org/10.1017/s026357470800492x.

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SUMMARYIn this paper, we present an on-line task modification method (OTMM) to realize singularity avoidance for nonredundant and redundant manipulators at the velocity level. The method introduces a correction vector, constructed from the task velocity and the singular vector corresponding to the minimum singular value, into the task velocity. The performance is simply affected by the choice of the lower limit of the minimum singular value and a scalar adjusting function, which is monotone with respect to the minimum singular value. The method makes unnecessary avoiding the singularity point
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Li, Meng, Kanhua Su, Shuli Hu, Lifu Wan, and Weiqing Chen. "Displacement vectors control method for orienter ribs during path correction in coiled tubing drilling." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, no. 10 (2018): 3531–46. http://dx.doi.org/10.1177/0954406218819036.

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The well path easily deviates from the original design trajectory during coiled tubing drilling, which needs to be corrected with an orienter. A three-segment correction trajectory with two arc segments and a line segment is constructed based on the differential geometry principle, and the direction at the target is consistent with the direction of the original borehole. Based on the parameters of the design correction trajectory, a mathematical relationship between trajectory parameters and the displacement vectors of orienter ribs is established by using the vector analysis method. According
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Sahni, Narinder Singh, Tomas Isaksson, and Tormod Næs. "Comparison of Methods for Transfer of Calibration Models in Near-Infared Spectroscopy: A Case Study Based on Correcting Path Length Differences Using Fiber-Optic Transmittance Probes in In-Line Near-Infrared Spectroscopy." Applied Spectroscopy 59, no. 4 (2005): 487–95. http://dx.doi.org/10.1366/0003702053641522.

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This article addresses problems related to transfer of calibration models due to variations in distance between the transmittance fiber-optic probes. The data have been generated using a mixture design and measured at five different probe distances. A number of techniques reported in the literature have been compared. These include multiplicative scatter correction (MSC), path length correction (PLC), finite impulse response (FIR), orthogonal signal correction (OSC), piecewise direct standardization (PDS), and robust calibration. The quality of the predictions was expressed in terms of root me
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Shi, Weimin, Qiang Liang, and Lei Sun. "Path Planning for Yarn Changing Robots Based on NRBO and Dynamic Obstacle Avoidance Strategy." Applied Sciences 14, no. 23 (2024): 11086. http://dx.doi.org/10.3390/app142311086.

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To address the shortcomings of traditional bionic algorithms in path planning, such as inefficient search processes, extended planning distances and times, and suboptimal dynamic obstacle avoidance, this paper introduces a fusion algorithm called NRBO-DWA. This algorithm is specifically applied to plan the path for a tube-changing robot in a knitting workshop. The process begins with spatial modeling based on the actual parameters of the workshop, followed by the development of a comprehensive, objective function for the robot in line with the relevant constraints. The NRBO algorithm is then i
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Min, J. E., S. K. Lee, and J. H. Ryu. "ADVANCED SURFACE-REFLECTED RADIANCE CORRECTION FOR AIRBORNE HYPERSPECTRAL IMAGERY IN COASTAL RED TIDE DETECTION." ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences V-3-2021 (June 17, 2021): 73–80. http://dx.doi.org/10.5194/isprs-annals-v-3-2021-73-2021.

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Abstract. Red tides are among the most common coastal hazards, causing serious damage to the coastal environment. Many satellite sensors can detect red tide blooms, but are limited in their detection of the exact area of the bloom and biological abundance in terms of spatial and spectral resolution. The high spatial and spectral resolutions of hyperspectral airborne remote sensing data may help overcome these limitations to analyze red tide blooms more effectively. To identify potential applications of hyperspectral airborne data in red tide detection, an integrated field campaign was performe
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Dissertations / Theses on the topic "On-line path correction"

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Ržonca, Michal. "On-line korekce dráhy robotu na základě dat ze snímače vzdálenosti." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443251.

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The main aim of this master’s thesis is to provide online path correction of 6 – axis robot leaded by an external distance measuring sensor interface. First part is describing the actual state and required options of some robot manufacturers. Next part justifies selection and is describing the real robotic cell. Third part is focused on programming of path correction of Kuka KR16 based on generated signal and also based on signal from distance sensor interface. There is also described the communication between PLC and robot and how to display data from robot to HMI. Last part is focused on dat
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Book chapters on the topic "On-line path correction"

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Roychoudhuri, Lopamudra, and Ehab S. Al-Shaer. "Autonomic QoS Optimization of Real-Time Internet Audio Using Loss Prediction and Stochastic Control." In Technological Innovations in Adaptive and Dependable Systems. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-4666-0255-7.ch015.

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Quality of Internet audio is highly sensitive to packet loss caused by congestion in links. Packet loss for audio is normally rectified by adding redundancy using Forward Error Correction (FEC). Alternatively, path diversity mechanisms are used to improve reliability and thus session quality. To achieve optimized receiver audio quality for transmissions using single or multiple paths, the authors propose a self-adaptive joint Error and Rate Control framework based on packet loss prediction and on-line quality assessment. The Error Control chooses appropriate FEC proactively to preserve quality
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Conference papers on the topic "On-line path correction"

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Tang, Yue, Yilian Zhang, Yunfei Fan, Yuhan Wang, and Xiaobing Feng. "An On-Line Path Correction Method Based on 2D Laser Profile Measurement for Gluing Robot." In AeroTech. SAE International, 2022. http://dx.doi.org/10.4271/2022-01-0016.

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Chun, Sejong. "Calculation of the Flow Profile Correction Factor Based on Flow Velocity Distribution Functions for Ultrasonic Flow Metering." In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-4679.

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Abstract Transit-time ultrasonic flow metering relies on the flow profile correction factor (FPCF) to improve its measurement capability by converting line-integrated flow velocity into area-integrated flow velocity. It is because the flow velocity is integrated along ultrasonic paths between ultrasonic sensors by sending and receiving pulse signals in the transit-time ultrasonic flow metering. ISO 12242 (liquid flow metering) and ISO 17089 (gas flow metering) specify how to define the FPCF with a transit-time multi-path ultrasonic flow meter. The FPCF is applied to an averaged value of line-i
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Yang, Xuesen, Xiaofeng Guo, and Wei Dong. "On-Line Component Map Adaptive Procedure Based on Sensor Data." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-16242.

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Abstract A key challenge in the gas turbine community is to adapt the engine model by matching measured data with simulation data. This study presents a procedure aiming to calibrate a certain type of gas turbine for power generation. To reproduce degradation, disturbance is injected into the healthy components maps at different time. Subsequently, six correction factors along with measured data and unmeasured parameters are coupled together using cooperative working equations and optimized based on primal-dual interior point method. When performing the adaptive procedure, Jacobian and hessian
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Sasongko, R. A., and J. Sembiring. "Development of Flight Guidance System of a Small Unmanned Aerial Vehicle (UAV)." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48561.

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This paper presents the development of a guidance system for a small Unmanned Aerial Vehicle (UAV) system which combines a waypoints following and an obstacle avoidance systems so that the UAV has a capability to operate in an environment whose ground condition is not completely known. The waypoints following system works by adopting the VOR-Hold approach, in which a correction command will be produced to reduce the angle difference between the desired path and the line connecting the actual UAV position and the subsequent destination point. An avoidance algorithm is developed and integrated w
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How, Elijah Lip Heng, Adam Donald, Pierre Bettinelli, Pongsit Chongrueanglap, Woi Loon Hooi, and Anniza Ai Mei Soh. "Verticalized Sonic Measurements in Deviated Wellbore for Accurate Velocity Modelling and Seismic Well Tie in Offshore Malaysia." In Offshore Technology Conference Asia. OTC, 2022. http://dx.doi.org/10.4043/31641-ms.

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Abstract Vertical seismic profile (VSP) or checkshot surveys are useful measurements to obtain accurate time-depth pairs for time-depth conversion in seismic exploration. However, in deviated wells, the standard geometry correction for rig-source VSPs will not provide reliable time-depth profiles because of ray bending, anisotropy, and lateral velocity variation effects. The accuracy of the time-depth profile can be improved by using model-based correction or vertical incidence VSP simulation with transversely isotropic (TI) data from an advanced sonic measurement. Elastic anisotropy parameter
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Mogensen, Kristian, and Swarjit Samajpati. "Advantages of a Compositional Framework for Well and Surface Network Modeling." In ADIPEC. SPE, 2022. http://dx.doi.org/10.2118/211103-ms.

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Abstract Integrated asset models are being constructed for all ADNOC assets as part of a production optimization initiative supported by a significant digitization effort. Contrary to the standard industry practice of utilizing black-oil formulations to capture fluid behavior, a compositional modeling framework was selected to address some key challenges: Compositional variation at reservoir-level, either lateral or verticalInjection of gas (immiscible as well as near-miscible) causing mass transferBlending of different fluids in the surface network at line conditionsOperational requirement to
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Ahmad, Rafiq, and Peter Plapper. "Safe and Automated Tool-Path Generation for Multi-Axis Production Machines." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-36742.

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Multi-axis machines are growing rapidly their precision and complexity with the increasing importance of machine intelligence, automation, optimization and safety. It is necessary to identify collision risks and avoid them in manufacturing otherwise production stops may cost a huge amount to the manufacturing company. This study has focused on safe trajectory generation for CNC machines especially focusing on high risked non-functional trajectories. These machines should be able to see any unwilling situation (i.e. collisions) in their vicinity and must be able to detect and react automaticall
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Roumeliotis, I., N. Aretakis, and A. Alexiou. "Industrial Gas Turbine Health and Performance Assessment With Field Data." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-57722.

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The paper presents a thorough analysis of historical data and results acquired over a period of two years through an online real-time monitoring system installed at a Combined Heat and Power (CHP) plant. For gas turbine health and performance assessment, a Gas Path Analysis tool based on the adaptive modeling method is integrated into the system. An engine adapted model built through a semi-automated method is part of a procedure which includes a steam/water cycle simulation module and an economic module used for power plant performance and economic assessment. The adaptive modeling diagnostic
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Narain, Jaya, and Amos G. Winter. "A Hybrid Computational and Analytical Model of Inline Drip Emitters." In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-85871.

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This paper details a hybrid computational and analytical model to predict the performance of inline pressure-compensating (PC) drip irrigation emitters. The term inline refers to flow control devices mounted within the irrigation tubing. Pressure-compensating emitters deliver a relatively constant flow rate over a range applied pressure to accurately meter water to crops. Flow rate is controlled within the emitter by directing the water through a tortuous path (which imposes a fixed resistance), and then through a variable resistor composed of a flexible membrane that deflects under changes in
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Ryberg, A., M. Ericsson, A. K. Christiansson, K. Eriksson, J. Nilsson, and M. Larsson. "Stereo vision for path correction in off-line programmed robot welding." In 2010 IEEE International Conference on Industrial Technology. IEEE, 2010. http://dx.doi.org/10.1109/icit.2010.5472442.

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