基于UWB四参考点矢量补偿的危化品仓储堆垛货物定位方法

doi:10.11949/j.issn.0438-1157.20151975

化工学报 ›› 2016, Vol. 67 ›› Issue (3): 871-877.DOI: 10.11949/j.issn.0438-1157.20151975

基于UWB四参考点矢量补偿的危化品仓储堆垛货物定位方法

戴波¹, 吕昕^1,2, 刘学君¹, 李志超^1,2

1. 北京石油化工学院信息工程学院, 北京 102617;
2. 北京化工大学信息科学与技术学院, 北京 100029

收稿日期:2015-12-28 修回日期:2016-01-11 出版日期:2016-03-05 发布日期:2016-01-12
通讯作者: 戴波
基金资助:
北京市安全生产监督管理局项目。

A UWB-based four reference vectors compensation method applied on hazardous chemicals warehouse stacking positioning

DAI Bo¹, LÜ Xin^1,2, LIU Xuejun¹, LI Zhichao^1,2

1. College of Information Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China;
2. College of Information Science & Technology, Beijing University of Chemical Technology, Beijing 100029, China

Received:2015-12-28 Revised:2016-01-11 Online:2016-03-05 Published:2016-01-12
Contact: 67
Supported by:
supported by the Beijing Administration of Work Safety.

摘要/Abstract

摘要：

监控危化品仓储堆垛五距(堆距、墙距、顶距、柱距和通道距)是危化品仓储安全监管的重要课题,研究危化品堆垛货物的高精度定位技术,是通过三维重构方法对危化品堆垛方式安全进行自动化监控的前提。分析了危化品仓储环境中影响UWB(ultra wide band)定位精度的主要因素,提出一种基于UWB四参考点矢量补偿的危化品仓储堆垛货物定位技术。首先将待监测区域划分为矩形网格,并建立参考系,将各网格顶点设为参考点,获得参考点处UWB定位值的误差矢量,作为校正待测点的参考矢量;将危化品仓储中堆垛货物与UWB标签绑定,寻找标签所处网格,用该网格的四参考点矢量补偿方法对标签的测量坐标值进行校正,将校正后坐标作为堆垛的最终定位位置。经实验表明,该方法能有效改善危化品仓储堆垛货物的定位精度,适合于危化品仓储堆垛的五距监测。

关键词: 堆垛, 五距监测, 安全, 算法, 控制, UWB定位, 参考点

Abstract:

Monitoring of five distance of hazardous chemicals storage warehouse stacking (distance, pile wall distance, zenith distance, spacing and channel spacing) is an important topic in dangerous goods warehouse safety supervision. Studying high precision positioning technology of dangerous goods stacking, is the premise of automately monitoring stacking safety. In this study, the main factors affecting the accuracy of UWB positioning of dangerous chemicals storage are analyzed, and an UWB four reference vectors compensation method applied on dangerous chemicals warehouse stacking positioning is proposed. Firstly, a reference system is established, and the monitoring area is divided into rectangular grids, each vertex of grids is named as a reference point, then the error vectors UWB positioning values at the reference points are obtained, and are took as the reference vector to calibrate the target points; Secondly, UWB tags are attached to dangerous chemical goods stacking, searching the grids around the tags, and calibrating the position value of the tags by the UWB four reference vectors compensation method. Finally, the corrected coordinates are considered as the final position of stacking. The experiment showed that this method can effectively improve the positioning precision of the dangerous chemicals warehouse stacking, it is suitable for monitoring the five distance of hazardous chemicals warehouse stacking.

Key words: stacking storage, five-distance monitoring , safety , algorithm , control , UWB locating, reference

中图分类号:

TN98

戴波, 吕昕, 刘学君, 李志超. 基于UWB四参考点矢量补偿的危化品仓储堆垛货物定位方法[J]. 化工学报, 2016, 67(3): 871-877.

DAI Bo, LÜ Xin, LIU Xuejun, LI Zhichao. A UWB-based four reference vectors compensation method applied on hazardous chemicals warehouse stacking positioning[J]. CIESC Journal, 2016, 67(3): 871-877.

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基于UWB四参考点矢量补偿的危化品仓储堆垛货物定位方法

A UWB-based four reference vectors compensation method applied on hazardous chemicals warehouse stacking positioning

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