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一种实现搅拌摩擦焊焊缝零减薄的焊具及焊接方法
专利
专利类型: 发明授权, 专利号: CN104972219B, 申请日期: 2015-10-14, 公开日期: 2017-09-26
作者:
张骁
;
张会杰
;
王敏
;
张景宝
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  |  
浏览/下载:15/0
  |  
提交时间:2017/10/19
Real-time 3D model-based tracking of work-piece with monocular camera
会议论文
8th IEEE/SICE International Symposium on System Integration (SII), Meijo Univ, Nagoya, JAPAN, DEC 11-13, 2015
作者:
Zhu, Wenjun
;
Wang, Peng
;
Li, Fudong
;
Su, Jianhua
;
Qiao, Hong
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  |  
浏览/下载:25/0
  |  
提交时间:2017/01/13
OBJECT RECOGNITION
FEATURES
POSE
Ontology-Based Event Modeling for Semantic Understanding of Chinese News Story
其他
2012-01-01
Wang, Wei
;
Zhao, Dongyan
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  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
Ontology
5W1H
Event Model
Ontology Population
装配机器人系统的工件定位和抓取装配研究
学位论文
工学博士, 中国科学院自动化研究所: 中国科学院研究生院, 2011
作者:
赵广涛
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  |  
浏览/下载:187/0
  |  
提交时间:2015/09/02
装配机器人
目标检测
三维工件定位
图像矩
抓取点提取
Assembly robot
Target recognition
Work-piece location
Image moment
Extraction of the grasp point
显示表面上基于双摄像机的双笔同时定位
会议论文
第一届建立和谐人机环境联合学术会议(HHME2005)论文集, 第一届建立和谐人机环境联合学术会议(HHME2005), 中国昆明, CNKI, 中国计算机学会、中国图象图形学学会、ACM SIGCHI中国分会、清华大学计算机科学与技术系
陈孝杰
;
史元春
;
龚伟
;
CHEN Xiao-Jie
;
SHI Yuan-Chun
;
GONG Wei
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  |  
浏览/下载:4/0
基于刀具进让式进给数控加工技术的研究
期刊论文
2009
孙业荣
;
姚斌
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  |  
浏览/下载:3/0
  |  
提交时间:2016/07/01
数控加工
进给运动
加工精度
numerical control machining
feeding motion
machining precision
Key techniques of laser direct writing of fine lines on the spherical surface (EI CONFERENCE)
会议论文
ICO20: Optical Design and Fabrication, August 21, 2005 - August 26, 2005, Changchun, China
Liang F.
;
Hu J.
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浏览/下载:16/0
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提交时间:2013/03/25
The main principles of laser direct writing (LDW) system for lines on the spherical surface (SS) are discussed. It is pointed out that line profile is determined by the exposure dose distribution
which lies on the light intensity distribution of focus plane and the scanning speed. To improve the quality of line profile on the SS
several key techniques as follows are introduced. Firstly
the unique system configuration
four axes mutually intersecting at the center of the SS
is adopted
which ensures the shape of the focus be maintained circular during the writing period. Secondly
an automatic focus system (AFS) with the function of automatic focus in a certain range is introduced. Thirdly
to guarantee the linear velocity to accord with the exposure character of the photoresist all the time
an efficient arithmetic that controls motors run at appropriate angular velocity in different latitude is developed. Finally
to achieve a stable and well-behaved system so as to compensate the velocity instability resulting from unavoidable errors of mechanical and electronics factor
a powerful programmable multi-axis controller (PMAC) is utilized as the kernel element of the servocontrol system
and the curves of step response and parabolic response achieved by feedforward and PID loop tuning indicate that the location precision and velocity stability have reached a high level. The experimental results of LDW of lines on the SS work piece with a diameter 30 mm and a radius equal to 100 mm are given. The section analysis of the lines on the photoresist by the atomic force microscope (AFM) after exposure and development is performed. The results show that line width is about 3.0 m
and the steep sides of the lines are parallel to each other.
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