Self-calibration method for the parallel tracking platform based on the monocular vision

被引：0
|
作者：
Liu, Feng [1 ]
Wang, Xiang-Jun [1 ]
Xu, Wei [1 ]
Zhang, Zhao-Cai [1 ]
机构：
[1] State Key Laboratory of Precision Measurement Technology and Instruments, College of Precision Instrument and Optoelectronic Engineering, Tianjin University, Tianjin 300072, China
来源：
Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering | 2009年 / 38卷 / 01期
关键词：
Vision - Mechanisms - Degrees of freedom (mechanics);
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The calibration for the parallel mechanism is the premise and base to realize the geometric sense correcting and high accuracy position of the parallel mechanism. As the present self-calibration methods cannot get all information about position and attitude of the motional platform, they can't realize the identification and calibration of all the parallel mechanism geometric parameter. Due to the problems above, a new self-calibration method based on monocular vision was proposed, which took four-degree-of-freedom parallel tracking platform as the subject investigated. The calibration precision was verified preliminarily through the experiments, and some feasibility advices of increasing calibration precision were given. This method provides a new way to realize high accuracy calibration for parallel machines, parallel robots and parallel tracking systems.
引用
收藏
页码：175 / 179
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