SIA OpenIR  > 沈阳自动化所知识产出(2000年前)
一种并联机床运动平台位姿测量方法
Alternative TitleNew method for measuring the movable platform position and orientation of parallel machine tools
赵明扬; 余晓流; 王启义; 房立金
Department中国科学院沈阳自动化研究所
Source Publication中国机械工程
ISSN1004-132X
1999
Volume10Issue:10Pages:1112-1113
Indexed ByEI ; CSCD
EI Accession number2000045120101
CSCD IDCSCD:843590
Contribution Rank1
Funding Organization国家 “九五”攻关课题
Keyword并联机床 运动平台 位姿测量 广义坐标参量
Abstract提出一种采用附加测量机构直接测量并联机床运动平台位姿精度的方法。其基本思想是根据运动平台的运动特性在固定平台和运动平台之间增设附加测量机构,当运动平台运动时带动测量机构运动,通过安装在测量机构上的传感器测得广义坐标参量, 经运动学建模即可得到运动平台的位姿。当测量机构位姿正解求解速度满足实时控制要求时,利用该反馈信息对机床进行实时精度补偿和控制。基于上述思想建立的并联机床位姿测量系统可部分排除机床切削力变形和运动副间隙等误差, 从而提高机床的位姿测量精度。以一种五坐标并联机床为例,介绍采用附加测量机构直接测量运动平台位姿精度的建模方法。其中, 测量机构的综合十分重要。测量机构的组成决定了运动学模型的复杂程度, 即决定了运动学模型的计算效率。
Other AbstractIn order to directly measure the position and orientation of the platform of parallel machine tool, a new method based on additional measuring mechanisms is proposed. The mechanism is designed and installed between movable and fixed platforms according to the characteristics of the movable one. And the position and orientation can be obtained by modeling the kinematics in generalized coordination while the resolution speed of the model meets the need of real time control, it will be further used for compensating the errors of the machine tool.This measuring system can partly eliminate the deformation errors caused by cutting force and the errors caused by clearance between two relatively moved parts, and raise the precision of the machine tool. Taking the five-axis parallel machine tool as an example, the kinematics model of such a measuring mechanism is derived. Moreover, the synthesis of the measuring mechanism, which determines the model complexity and the calculation efficiency, is also studied.
Language中文
Citation statistics
Cited Times:10[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/1266
Collection沈阳自动化所知识产出(2000年前)
Corresponding Author赵明扬
Affiliation1.中国科学院沈阳自动化研究所
2.东北大学
Recommended Citation
GB/T 7714
赵明扬,余晓流,王启义,等. 一种并联机床运动平台位姿测量方法[J]. 中国机械工程,1999,10(10):1112-1113.
APA 赵明扬,余晓流,王启义,&房立金.(1999).一种并联机床运动平台位姿测量方法.中国机械工程,10(10),1112-1113.
MLA 赵明扬,et al."一种并联机床运动平台位姿测量方法".中国机械工程 10.10(1999):1112-1113.
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