Suchergebnisse - Numerical code, Error control

Novel method for position-independent geometric error compensation of five-axis orthogonal machine tool based on error motion von Ding, Shuang, Huang, Xiaodiao, Yu, Chunjian, Liu, Xiangyu

“… ) model according to homogeneous transformation matrix (HTM). Then, the analytical numerical control (NC …”
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Machining error decomposition and compensation of complicated surfaces by EMD method von Chen, Yueping, Tang, Hui, Tang, Qingchun, Zhang, Anshe, Chen, Dawei, Li, Kehui

“… •The compensation for systematic errors is the key to compensate machining errors …”
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Kinematic error model of a 3-PUU parallel mechanism for translational motion von Ke, Jian-Dong, Wang, Yu-Jen, Tsai, Jhy-Cherng

“… [Display omitted] •A revised kinematic error model, link-orientation-based joint error model (LOBJEM), is proposed …”
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Actual inverse kinematics for position-independent and position-dependent geometric error compensation of five-axis machine tools von Ding, Shuang, Huang, Xiaodiao, Yu, Chunjian, Wang, Wei

“… The analytical expressions of corrected numerical control (NC) code are derived according to the invertibility, associative law of multiplication, and block calculation of homogenous transformation matrix (HTM …”
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CADNA: a library for estimating round-off error propagation von Jézéquel, Fabienne, Chesneaux, Jean-Marie

“… CADNA provides new numerical types on which round-off errors can be estimated. Slight modifications are required to control a code with CADNA, mainly changes in variable declarations, input and output …”
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A postprocessing and path optimization based on nonlinear error for multijoint industrial robot-based 3D printing von Fu, Guoqiang, Gu, Tengda, Gao, Hongli, Lu, Caijiang

“… The postprocessing is the basis of the precise printing. Due to the nonlinear motion of the rotational joint, nonlinear error is inevitable in multijoint industrial robots …”
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Five-Axis Contour Error Control Based on Numerical Control Data von Li, Jiangang, Yue, Ruijie, Fei, Yiming

“… This paper proposes a contour error estimation and compensation algorithm for five-axis computer numerical control (CNC …”
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Aspheric grinding surface accuracy optimization by integrating sensitive geometric error detection and in-situ compensation processing von He, Xiangbo, Zhang, Kai, Li, Ruirui, Feng, Huiming, Peng, Yunfeng

“… However, during the compensation grinding process, geometric errors can induce deviations in the grinding trajectory, thereby adversely affecting the corrective outcomes for surface accuracy …”
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CADNA_C: A version of CADNA for use with C or C++ programs von Lamotte, Jean-Luc, Chesneaux, Jean-Marie, Jézéquel, Fabienne

“… CADNA provides new numerical types on which round-off errors can be estimated. Slight modifications are required to control a code with CADNA, mainly changes in variable declarations, input and output …”
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Realizing repeated quantum error correction in a distance-three surface code von Krinner, Sebastian, Lacroix, Nathan, Remm, Ants, Di Paolo, Agustin, Genois, Elie, Leroux, Catherine, Hellings, Christoph, Lazar, Stefania, Swiadek, Francois, Herrmann, Johannes, Norris, Graham J., Andersen, Christian Kraglund, Müller, Markus, Blais, Alexandre, Eichler, Christopher, Wallraff, Andreas

“… . For fault-tolerant operation, quantum computers must correct errors occurring owing to unavoidable decoherence and limited control accuracy 2 …”
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A constrained-gradient method to control divergence errors in numerical MHD von Hopkins, Philip F.

“… In numerical magnetohydrodynamics (MHD), a major challenge is maintaining $\nabla \cdot {\boldsymbol {B}}=0$ . Constrained transport …”
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Performance Evaluation of Spectrum Sensing Using Recovered Secondary Frames With Decoding Errors von Tang, Liang, Chen, Yunfei, Nallanathan, Arumugam, Hines, Evor L.

“… Effects of fading and error control codes are also investigated. Numerical results show that the new model that considers the decoding error outperforms …”
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A numerical method for parallel calculation of the positional characteristic for error correction in a polyalphabetic polynomial modular code von Kalmykov, I.A., Olenev, A.A., Kononova, N.V., Peleshenko, T.A., Chistousov, N.K.

“… We propose that parallel calculations should be conducted at the level of arithmetic operations using arithmetic composite modular codes (CMC …”
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Development and evaluation of web service-based interactive and simulated learning environment for computer numerical control von Wu, Wen-Hsiung, Chen, Wei-Fan, Fang, Lung-Ching, Lu, Chao-Wei

“… Nowadays online simulative environments are indispensable tools for teaching computer numerical control (CNC …”
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Geometric error compensation for five-axis ball-end milling by considering machined surface textures von Fu, Guoqiang, Gu, Tengda, Gao, Hongli, Jin, Yu’an, Deng, Xiaolei

“… Arbitrarily adjusting tool poses during error compensation may affect the quality of surface textures …”
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Workpiece locating error prediction and compensation in fixtures von Zhu, S. W., Ding, G. F., Ma, S. W., Yan, K. Y., Qin, S. F.

“… It is necessary to predict and control the workpiece locating error which will result in machining error of parts …”
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Identification and compensation of 11 position-independent geometric errors on five-axis machine tools with a tilting head von Yang, Hui, Huang, Xiaodiao, Ding, Shuang, Yu, Chunjian, Yang, Yameng

“… Position-independent geometric errors (PIGEs), introduced during the assembly process, always affect machining accuracy and shall be identified and compensated periodically …”
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Barcode-free next-generation sequencing error validation for ultra-rare variant detection von Yeom, Huiran, Lee, Yonghee, Ryu, Taehoon, Noh, Jinsung, Lee, Amos Chungwon, Lee, Han-Byoel, Kang, Eunji, Song, Seo Woo, Kwon, Sunghoon

“… %). NGS errors could be filtered out using molecular barcodes, by comparing read replicates among those with the same barcode …”
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Parametric FIR filtering for G-code interpolation with corner smoothing and zero circular contour error for NC systems von Huang, Ruei-Yu, Cheng, Chung-Wei, Lee, An-Chen

“… Motion planning is an important topic in numerical control systems. It has two main schemes …”
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Effect of Bar-Code Technology on the Safety of Medication Administration von Poon, Eric G, Keohane, Carol A, Yoon, Catherine S, Ditmore, Matthew, Bane, Anne, Levtzion-Korach, Osnat, Moniz, Thomas, Rothschild, Jeffrey M, Kachalia, Allen B, Hayes, Judy, Churchill, William W, Lipsitz, Stuart, Whittemore, Anthony D, Bates, David W, Gandhi, Tejal K

“… This study from a large academic hospital looked at medication errors before and after the implementation of technology for bar-code electronic medication-administration records …”
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