قائمة الطعام
This paper summarizes the state-of-the-art in skill learning and strategy optimization research from the perspectives of feature processing, skill learning, strategy, and model optimization of robot grinding and polishing, in which deep learning, transfer learning, reinforcement learning, and imitation learning models are integrated into skill …
centerless grinding optimization were carried out by Zhou et al. [14]. Barrenetxea et al. [15, 16] developed a model-based assistant tool for the set-up and optimization of centerless grinding ...
Ultrasonic vibration-assisted grinding (UVAG) is a highly effective technique for improving the grindability of difficult-to-cut materials, making it widely applicable in various industrial fields. However, the conventional optimization of grinding parameters necessitates extensive experimental analyses and is susceptible to converging towards …
A multi-objective optimization model of pre-grinding profile is established, in which the objective functions are the NACS and NMCS Kriging models. The optimum weight factors are sought using a non-dominated sorting genetic algorithm II (NSGA-II), and the corresponding optimum pre-grinding profile is obtained. ... ZHOU Q Y, ZHANG Y H, …
Zhou et al. [22, 23] studied the material removal behavior in a rail grinding process under different feed rates and grinding pressures, including the effects of feed rate on the material removal efficiency, grinding amount, chip thickness, chip surface burn, surface burn in grinding quality, and residual stress. Although the above studies are ...
Zhou et al. [20] studied a special case that the working part of face gear cannot be ground completely, and they proposed an effective multistep method to solve this problem.
Meanwhile, Zhou et al. proposed a multistep method to completely grind the whole tooth surface of face gear for some special cases. Moreover, the other manufacturing methods were also investigated, such as the plunge milling [ 9 ], planing method [ 10 ], CNC milling method [ 11 ].
The experimental results show that grinding and polishing with the optimum parameters obtained in this study enhances the machining quality significantly. ... Gu F, Wang F, Zhou M (2007) Parameter optimization of EDM micro-and-small holes based on signal to noise and grey relational grade [J]. Chin J Mech Eng (Engl Ed) 43(7):63–67 (in …
Recently, Zhou Chang et al. ... the multi-objective optimization for grinding process with AISI 1045 steel was conducted to obtain the optimal scheme of the workpiece feed velocities, the depths ...
Machining behaviors of glass-ceramics in multi-step high-speed grinding: grinding parameter effects and optimization. Ceram Int, 47 (2021), pp. 4659-4673. View PDF View article View in Scopus Google Scholar [10] ... Jinfeng Liu, Xuwu Cao, Honggen Zhou, Lei Li, Xiaojun Liu, Peng Zhao, Jianwei Dong.
Process parameters optima in quick-point grinding ceramics based on the intelligent algorithm. Yunguang Zhou, Lianjie Ma, […], and Hongyang Li +2. View all …
Highlights. Reveal the evolution mechanism of various existing subsurface damage on crack propagation by XFEM. Propose a semi-empirical model for grinding …
With optimization using three optimal design variables, Top-Rem tool modification-based root bending fatigue life optimization having a high accuracy and efficiency is performed. Table 7 shows the accurate grinding Top-Rem tool parameters for root bending fatigue life optimization. Where, the one marked by [+] is selected as the …
3.1 Selection of objective function. In the plunge grinding of bearing raceway, a shorter grind-ing time is considered desirable. First, the total grinding time is considered as the optimization objective function denoted by, T = t1 + t2 + t3 + t4. (2) where t1 is rough grinding time, t2 is fine grinding time, t3 is spark out time, and t4 is ...
Highlights. •. Reveal the evolution mechanism of various existing subsurface damage on crack propagation by XFEM. •. Propose a semi-empirical model for grinding …
Xuefeng Zhou. Shuai Li. Obstacle avoidance is an important subject in the control of robot manipulators, but is remains challenging for robots with redundant degrees of freedom, especially when ...
They proposed adaptive control law to modify controller parameters online, and the grinding force was controlled within 5 ± 0.5 N. Zhou, H. et al. [15] proposed a hybrid control strategy for ...
Hongmei Shang, Menghan Wang, Ran Li, Mengying Duan & Haizhu Zhou Key Laboratory of Animal Nutrition and Feed Science of Jilin Province, Changchun, 130118, China Hongmei Shang & Haizhu Zhou
Intelligent Optimal-Setting Control for Grinding Circuits of Mineral Processing Process. P. Zhou, T. Chai, Hong Wang. Published in IEEE Transactions …
To improve the grinding process towards a higher surface integrity, in this study, an orthogonal test was designed and conducted to determine the effect of the wheel speed, workpiece speed, and the grinding depth on the surface integrity of a bearing raceway. After the grinding process, the residual stress, the residual austenite content, …
This paper proposes a hybrid optimization method that considers dimensional accuracy and surface quality constraints. First, an MRP model that …
An intelligent optimal-setting control (IOSC) approach is developed for a typical two-stage GC so as to optimize the production indices by auto-adjusting on line the setpoints of the control loops in response to the changes in boundary conditions. During the operation of a grinding circuit (GC) in mineral processing plant the main purpose of …
An approach to calculate grinding wheel path for complex end mill groove grinding based on an optimization algorithm Guochao Li a,b, *, Lei Dai a,b, Jiao liu c, Honggen Zhou a,b, Guizhong Tian ...
In this work, a 3D kinematic simulation of centerless through-feed grinding is presented, to predict the process condition and optimize the setup conditions. The …
Zhou K, Ding HH, Wang WJ, Guo J, Liu Q (2022) Surface integrity during rail grinding under wet conditions: full-scale experiment and multi-grain grinding simulation. ... (2022) Coupled thermo-mechanical analysis and optimization of the grinding process for Inconel 718 superalloy using single grit approach. Tribol Int …
Process parameter optimization and anisotropy sensitivity study for abrasive belt grinding of nickel-based single-crystal superalloy. Original Article. Published: 16 …
The process parameter optimization method proposed in this paper realizes the organic combination of real-time monitoring, accurate prediction and optimization decision-making in the processing process, and solves the problem of inconsistency between quality and efficiency in the current processing process. ... P. Lou, Z.D. Zhou, …
Abstract. High-speed grinding technology is being applied to the precision machining of 20CrMnTi steel gears, shafts and bearings sufering from fatigue damage. The response surface methodology (RSM) was used as an optimization method of high-speed grinding parameters to reach a higher anti-fatigue performance of 20CrMnTi steel workpieces.
Optimization of grinding process for hard and brittle materials based on damage evolution mechanism | Semantic Scholar. DOI: …
Shi X, Zhou Y, Zhang W, et al. A new worm grinding method of face gears based on the optimization of dressing wheel profile. ... Kahraman MF. Modeling and optimization of machining parameters during grinding of flat glass using response surface methodology and probabilistic uncertainty analysis based on Monte Carlo simulation. …
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