MEASUREMENTSYSTEMDOCNO.:QP-4.9-3ANALYSIS(MSA)REV:09PROCEDUREPAGE:1OF26测量系统分析(MSA)程序DATE:19-Sep-20141OBJECTIVE目的Theobjectiveofthisprocedureistoassistindeterminingtheprecision,majorproblems,amountofvariation,andacceptabilityofmeasurementsystems.制定此程序，以帮助确定测量系统的准确度，重大问题，变差量及可接收性。2SCOPE范围ThisprocedureisapplicabletomeasurementsystemsusedinAztechCommunicationDevice(DG)Ltd.此程序适用于AztechCommunicationDevice(DG)Ltd使用的测量系统。3DEFINITION定义3.1Measurement测量Measurementisdefinedas“theassignmentofnumbers[orvalues]tomaterialthingstorepresenttherelationsamongthemwithrespecttoparticularproperties.”Theprocessofassigningthenumbersisdefinedasthemeasurementprocess,andthevalueassignedisdefinedasthemeasurementvalue.测量的定义是“对某具体事物赋予数字(或数值)，以表示它们对于特定特性之间的关系”。赋予数字的过程被定义为测量过程，所分配的数值被定义为测量值。3.2Gage量具Gageisanydeviceusedtoobtainmeasurements,frequentlyusedtoreferspecificallytothedevicesusedontheshopfloor,includesgo/no-godevices.量具是指任何用来获得测量的装置，通常指用于工厂现场的装置，包括go/no-go装置。3.3MeasurementSystem测量系统MeasurementSystemisthecollectionofinstrumentsorgages,standards,operations,methods,fixtures,software,personnel,environmentandassumptionsusedtoquantifyaunitofmeasureoffixassessmenttothefeaturecharacteristicbeingmeasured;thecompleteprocessusedtoobtainmeasurements.测量系统是指对测量单元进行量化或对被测特性进行评估时所使用的仪器或量具、标准、操作、方法、夹具、软件、人员、环境及假设的集合；即用于获得测量结果的整个过程。3.4ReferenceValue参考值•Theacceptedvalueofanartifact某一物品的可接受数值•Requiresanoperationaldefinition需要一个可操作的定义•UsedasthesurrogateforthetruevalueForm#:03-2[QP-4.5-1]MEASUREMENTSYSTEMDOCNO.:QP-4.9-3ANALYSIS(MSA)REV:09PROCEDUREPAGE:2OF26测量系统分析(MSA)程序DATE:19-Sep-2014被用来替代真值3.5TrueValue真值•Actualvalueofanartifact某一物品的真实数值•Unknownandunknowable未知的且不可知的3.6Accuracy准确性•“Closeness”tothetruevalue,ortoanacceptedreferencevalue与真值或可接受参考值“接近”的程度3.7Bias偏倚•Differencebetweentheobservedaverageofmeasurementsandthereferencevalue观察到的测量平均值与参考值之间的差值•Asystematicerrorcomponentofthemeasurementsystem测量系统的系统误差3.8Linearity线性•Thechange