Symmetry

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A Model of Diameter Measurement Based on the Machine Vision
Symmetry - Tập 13 Số 2 - Trang 187
Qing Tan, Ying Kou, Jianwei Miao, Siyuan Liu, Bosen Chai
If the shaft diameter can be measured in-situ during the finishing process, the closed-loop control of the shaft diameter processing process can be realized and the machining accuracy can be improved. Present work studies the measurement of shaft diameter with the structured light system composed of a laser linear light source and a camera. The shaft is a kind of part with rotationally symmetric s... hiện toàn bộ
Methodology for Measuring the Cutting Inserts Wear
Symmetry - Tập 14 Số 3 - Trang 469
Raluca Daicu, Gheorghe Oancea
In the industrial manufacturing, the wear of the cutting tool represents the main factor that causes machine downtime and it has a negative influence over the machined surface roughness and dimensional and position deviations. For this reason, the accurate measurement of tool wear both on-line (during machining) and off-line (outside of the machining process) is a necessity. Due to the continuous ... hiện toàn bộ
Solving Multi-Objective Matrix Games with Fuzzy Payoffs through the Lower Limit of the Possibility Degree
Symmetry - Tập 9 Số 8 - Trang 130
Dong Qiu, Yumei Xing, Shuqiao Chen
In this article, we put forward the multi-objective matrix game model based on fuzzy payoffs. In order to solve the game model, we first discuss the relationship of two fuzzy numbers via the lower limit - 1 2 of the possibility degree. Then, utilizing this relationship, we conclude that the equilibrium solution of this game model and the optimal solution of multicriteria linear optimization proble... hiện toàn bộ
Tailoring a Behavioral Symmetry on KERMA, Mass Stopping Power and Projected Range Parameters against Heavy-Charged Particles in Zinc-Tellurite Glasses for Nuclear Applications
Symmetry - Tập 15 Số 6 - Trang 1201
Lidya Amon Susam, Ayberk Yılmaz, Ghada ALMisned, Hatice Yılmaz Alan, Gizem Ozturk, Gökhan Kılıç, Bahar Tuysuz, Selin Ece Topuzlar, B. Akkuş, Antoaneta Ene, H.O. Tekın
We present the behavioral changes and symmetrical enhancement on KERMA, mass stopping power and projected range parameters against heavy-charged particles through Indium (In) and Tantalum (Ta) incorporations for various zinc-tellurite glass groups such as TZI and ZTT for nuclear applications. SRIM and PAGEX codes are utilized for the determination of investigated attenuation parameters for alpha a... hiện toàn bộ
Pattern Recognition and Deep Learning Technologies, Enablers of Industry 4.0, and Their Role in Engineering Research
Symmetry - Tập 15 Số 2 - Trang 535
Joel Serey, Miguel Alfaro, Guillermo Fuertes, Manuel Vargas, Claudia Durán, Rodrigo Ternero, Ricardo Rivera, Jorge Sabattin
The purpose of this study is to summarize the pattern recognition (PR) and deep learning (DL) artificial intelligence methods developed for the management of data in the last six years. The methodology used for the study of documents is a content analysis. For this study, 186 references are considered, from which 120 are selected for the literature review. First, a general introduction to artifici... hiện toàn bộ
Symmetry-Breaking in a Rate Model for a Biped Locomotion Central Pattern Generator
Symmetry - Tập 6 Số 1 - Trang 23-66
Ian Stewart
The timing patterns of animal gaits are produced by a network of spinal neurons called a Central Pattern Generator (CPG). Pinto and Golubitsky studied a four-node CPG for biped dynamics in which each leg is associated with one flexor node and one extensor node, with Ζ2 x Ζ2 symmetry. They used symmetric bifurcation theory to predict the existence of four primary gaits and seven secondary gaits. We... hiện toàn bộ
Integral Transform Method to Solve the Problem of Porous Slider without Velocity Slip
Symmetry - Tập 11 Số 6 - Trang 791
Naeem Faraz, Yasir Khan, Dianchen Lu, Marjan Goodarzi
This study is about the lubrication of a long porous slider in which the fluid is injected into the porous bottom. The similarity transformation reduces the Navier-Stokes equations to couple nonlinear, ordinary differential equations, which are solved by a new algorithm. The proposed technique is based on integral transformation. Apparently, there is great symmetry between proposed method and vari... hiện toàn bộ
A Novel Secure Occupancy Monitoring Scheme Based on Multi-Chaos Mapping
Symmetry - Tập 12 Số 3 - Trang 350
Jawad Ahmad, Fawad Masood, Syed Aziz Shah, Sajjad Shaukat Jamal, Iqtadar Hussain
Smart building control, managing queues for instant points of service, security systems, and customer support can benefit from the number of occupants information known as occupancy. Due to interrupted real-time continuous monitoring capabilities of state-of-the-art cameras, a vision-based system can be easily deployed for occupancy monitoring. However, processing of images or videos over insecure... hiện toàn bộ
Cubic Chemical Autocatalysis and Oblique Magneto Dipole Effectiveness on Cross Nanofluid Flow via a Symmetric Stretchable Wedge
Symmetry - Tập 15 Số 6 - Trang 1145
Nor Ain Azeany Mohd Nasir, Tanveer Sajid, Wasim Jamshed, Gilder Cieza Altamirano, Mohamed R. Eid, Fayza Abdel Aziz ElSeabee
Exploration related to chemical processes in nanomaterial flows contains astonishing features. Nanoparticles have unique physical and chemical properties, so they are continuously used in almost every field of nanotechnology and nanoscience. The motive behind this article is to investigate the Cross nanofluid model along with its chemical processes via auto catalysts, inclined magnetic field pheno... hiện toàn bộ
Merger and Acquisition Target Selection Based on Interval Neutrosophic Multigranulation Rough Sets over Two Universes
Symmetry - Tập 9 Số 7 - Trang 126
Chao Zhang, Deyu Li, Arun Kumar Sangaiah, Said Broumi
As a significant business activity, merger and acquisition (M&A) generally means transactions in which the ownership of companies, other business organizations or their operating units are transferred or combined. In a typical M&A procedure, M&A target selection is an important issue that tends to exert an increasingly significant impact on different business areas. Although some research works ba... hiện toàn bộ
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