测量机器人自动极坐标二次基准差分改正方法Method for correcting quadratic reference difference of automatic polar coordinates of measuring robot
陈优良,卞焕,肖钢,朱倩,李远文
摘要(Abstract):
针对测量机器人在矿山边坡变形监测中受大气折射光、温度、湿度等因素的影响,监测数据精度低的问题,该文提出一种自动极坐标二次基准差分改正方法,并建立差分模型,采用面向对象程序设计语言实现了该模型并研发了原型系统,应用在某矿山边坡安全监测中。通过原型系统控制测量机器人,对矿山边坡进行实时、动态的远程在线变形监测,结合矿山基准网,自动改正监测点的距离、高差、方位角,消除气象因素和仪器误差对测量结果的影响,精确地获取边坡监测点三维坐标值,快速掌握变形体空间变化特征。结果表明,监测点的斜距和高差改正结果与已知值差值的绝对值都小于1 mm;水平方向上的差分改正结果与已知值差值的绝对值小于0.5″,较之于未使用二次基准差分改正所处理的计算结果,既提升了测量精度,也降低了观测难度。
关键词(KeyWords): 自动极坐标;差分改正;矿山边坡;测量机器人;变形监测
基金项目(Foundation): 江西省教育厅科技项目(GJJ170522);; 国家大坝安全工程技术研究中心开放基金项目(CX2019B07)
作者(Author): 陈优良,卞焕,肖钢,朱倩,李远文
DOI: 10.16251/j.cnki.1009-2307.2020.08.006
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