煤炭机械化采样中偏倚值的优化方法研究  

Study on optimization method of bias value in coal mechanized sampling

作　　者：金波 JIN Bo(Coal Department(Bohai New District,Cangzhou)Coal Testing Co.,LTD.,Cangzhou 061113,China)

机构地区：[1]煤科(沧州渤海新区)煤炭检测有限公司,河北沧州061113

出　　处：《煤炭加工与综合利用》2024年第2期63-66,共4页Coal Processing & Comprehensive Utilization

摘　　要：系统分析了煤炭机械化采样过程中可能存在的偏倚问题及其影响,创新性地提出了一种基于数学模型的采样偏倚的优化方法。经过实验与数据分析发现,该方法能够有效降低采样偏倚值,提高采样精度,改善煤炭采样质量。The possible bias problem and its influence in coal mechanized sampling were systematically analyzed,and an optimization method of sampling bias based on mathematical model was innovatively proposed.Through the experiment and data analysis,it is found that this method can effectively reduce the sampling bias value,improve the sampling precision and improve the sampling quality of coal.

关 键 词：煤炭 机械化采样 偏倚值 优化方法 采样精度 采样质量 

分 类 号：TQ533[化学工程—煤化学工程]