Results 1 to 10 of about 331,346 (185)

A Path Planning Method for V-Shaped Robotic Cutting of Nomex Honeycomb by Straight Blade Tool [PDF]

IEEE Access, 2020
V-shaped cutting by straight blade tool has been proposed as a typical process to quickly remove large volumes of Nomex honeycomb. To meet the process requirements of V-shaped cutting by robots, a major problem is that the six degrees of freedom of the ...
Ruoyu Cui, Jianfu Zhang, Pingfa Feng, Dingwen Yu, Zhijun Wu   +4 more
doaj   +4 more sources

An Optimal Algorithm for Planning Shearer Trailing Drum Cutting Path [PDF]

Shock and Vibration, 2021
The intelligent adaptive cutting of the shearer is one of the key technologies to realize the intelligent working face. However, since the “memory cut” technology is the mainstream technology, which cannot actively adapt to the coal seam variations, the ...
Hong Zhang, Yunbing Hou, Zhenming Sun, Zhen Li, Shanjun Mao, Mei Li, Jinzheng Wang   +6 more
doaj   +2 more sources

Improved Particle Swarm Optimization for Laser Cutting Path Planning

IEEE Access, 2023
This research focuses on the long empty cutting path problem during the laser cutting process by employing an improved proximity method to establish the starting point set in complex closed graphics.
Pengju Qu, Feilong Du
doaj   +2 more sources

Cutting Path Planning Technology of Shearer Based on Virtual Reality [PDF]

Applied Sciences, 2020
With regards to the low degree of digitization, lack of real geological terrain, and low degree of automation in the cutting process of the traditional virtual fully mechanized mining face, we studied the key technologies of virtual operation and cutting
Juanli Li, Yang Liu, Jiacheng Xie, Xuewen Wang, Xing Ge   +4 more
doaj   +2 more sources

Longwall Face Automation: Coal Seam Floor Cutting Path Planning Based on Multiple Hierarchical Clustering

Applied Sciences, 2023
Space adaptability between mining equipment and coal-rock mass, to ensure the machines cut in a coal seam, is an importance technique in longwall mining automation.
Zenglun Guan, Shibo Wang, Jingqian Wang, Shirong Ge   +3 more
doaj   +3 more sources

Cutting Path Planning for Ruled Surface Impellers

Chinese Journal of Aeronautics, 2008
AbstractAt present, most commercial computer-aided manufacturing (CAM) systems are deficient in efficiency and performances on generating tool path during machining impellers. To solve the problem, this article develops a special software to plan cutting path for ruled surface impellers. An approximation algorithm to generate cutting path for machining
Quan, Liang, Yongzhang, Wang, Hongya, Fu, Zhenyu, Han   +3 more
exaly   +2 more sources

The Application of Orthopedic Surgical Robot‐Assisted Technology in Various Clinical Scenarios Involving Bone Tumors [PDF]

Orthopaedic Surgery
Objectives Over the past three decades, orthopedic surgical robots have experienced rapid advancements. This study, a case series, aimed to investigate the effectiveness, limitations, and technical improvements associated with the application of robots ...
Hanxiao Yin, Yiwei Fu, Xirenijiang Yikemu, Weihai Liu, Changye Zou, Xianbiao Xie, Zhiqiang Zhao, Puyi Sheng, Jingnan Shen, Junqiang Yin   +9 more
doaj   +2 more sources

Multi-dimensional constraint-based coal mining machine cutting path planning technology

Meitan xuebao
The cutting path planning technology for coal mining machines is one of the key technologies for achieving intelligent mining in fully mechanized mining faces.
Shuyang SONG, Shibo WANG, Yun WANG, Lijie WANG, Dongshuai SONG   +4 more
doaj   +2 more sources

Cutting path planning using reinforcement learning with adaptive sequence adjustment and attention mechanisms

International Journal of Advanced Manufacturing Technology
Abstract In industrial manufacturing, cutting path planning is very important since it directly affects cutting quality and efficiency. However, traditional methods are no longer suitable for large-scale and real-time cutting path planning due to the long computation time needed.
Shijin Zhang
exaly   +2 more sources

Path planning of the root-cutting blade for the automatic spinach harvester in consideration of movement of soil

Nihon Kikai Gakkai ronbunshu, 2017
This paper describes about path planning for a root-cutting blade of an automatic spinach harvester. Automatic harvesters for spinach have not been widely used among farmers because mechanical harvesting easily spells bruises to stems and leaves. We have
Akihiro FUJISAWA, Yuichi CHIDA
doaj   +3 more sources