测量设备校准周期调整方法研究

Research on Adjustment Method of Calibration Intervals of Measuring Instruments

为了选择适合的后续校准周期,通过历史校准数据研究了测量设备校准周期的调整方法。从算法描述、案例分析等方面对校准参数量值预测类方法、周期预测类方法、加权平均法等方法以及周期调整应用软件的发展,进行了分析和研究。结果表明参数量值预测类方法和统计法复杂,准确度高;反应法和改进反应法简单、易行;加权平均法对于多参数、多设备的测量系统具有优势。每种方法都有其特点和适用范围,在实际校准工作中应该根据参数和设备类型、特点、数量,校准过程特点、成本,综合选择校准周期调整方法。

In order to select a suitable subsequent calibration interval,the adjustment method of the calibration interval of the measurement instrument is studied through historical calibration data.The methods of calibration parameter value prediction,period prediction,weighted average,etc.,and the development of application software on interval adjustment are analyzed and studied,from the aspects of algorithm description and case analysis,etc.The results show that the methods of parameter value prediction and statistics have high accuracy and complexity;the methods of simple reaction and the improved reaction are simple and easy to implement;the weighted average method is fit to measurement system with multi-parameter,multi-device.Each method has its own characteristics and applicable fields.The adjustment method of calibration intervals should be selected comprehensively according to type,characteristics,quantity of parameters and instruments,characteristics and cost of the calibration process in the actual calibration work.