CALCULATION ERROR ESTIMATION DEVICE AND CALCULATION ERROR ESTIMATION METHOD

• Main Authors: SUGAWARA SATOSHI, UMANO TAKUYA, YOSHIOKA KENICHI
• Format: Patent
• Language: English; Japanese
• Published: 09.05.2016
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

PROBLEM TO BE SOLVED: To enable estimation of a calculation error even in a case in which a measurement value of an experiment includes a significant uncertainty.SOLUTION: The calculation error estimation device is provided with: a relative difference computing unit 112; an experimental system sensitivity coefficient vector computing unit 113 that computes an experimental system sensitivity coefficient vector S; a target system sensitivity coefficient vector computing unit 114 that calculates a target system sensitivity coefficient vector S; an input parameter covariance error matrix storage unit that stores an input parameter covariance error matrix W; a post-correction matrix equation derivation unit 115 that calculates an element rof an experimental system uncertainty matrix from the experimental system sensitivity coefficient vectors Sand Sand the input parameter covariance error matrix W, and calculates a target system uncertainty element rfrom the target system sensitivity coefficient vector Sand the experimental system sensitivity coefficient vector S, and the input parameter covariance error matrix W, and then corrects the element ror the element rwith a measurement error ue; a vector adjustment computing unit 116; and a target system physical amount uncertainty computing unit 118.SELECTED DRAWING: Figure 2 【課題】大きな不確かさを伴う実験の測定値を含む場合も計算誤差の推定を可能とする。【解決手段】実施形態によれば計算誤差推定装置は、相対差演算部１１２と、実験体系感度係数ベクトルＳｉを演算する実験体系感度係数ベクトル演算部１１３と、目的体系感度係数ベクトルＳＲを算出する目的体系感度係数ベクトル演算部１１４と、入力パラメータ共分散誤差行列Ｗを記憶する入力パラメータ共分散誤差行列記憶部と、実験体系感度係数ベクトルＳｉおよびＳｊと入力パラメータ共分散誤差行列Ｗとから実験体系不確かさ行列の要素ｒｉｊを算出し、目的体系感度係数ベクトルＳＲおよび実験体系感度係数ベクトルＳｉと入力パラメータ共分散誤差行列Ｗとから目的体系不確かさ要素ｒＲｉを算出し、測定誤差ｕｅｉ２で補正する補正後行列方程式導出部１１５と、ベクトル調整演算部１１６と、目的体系物理量不確かさ演算部１１８とを有する。【選択図】図２