JP2016142720A - 形状評価方法および形状評価装置 - Google Patents
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- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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Abstract
Description
11 データ記憶部
12 形状誤差算出部
13 変化率算出部
14 変化率誤差算出部
15 視認可能誤差検出部
16 空間周波数処理部
17 誤差判定部
18 位置特定部
19 出力部
25 設計データ
26 評価対象データ
31 第1の試験物
33 筋
35 第2の試験物
36 稜線
40 対象物
52 設計データ
Claims (7)
- 対象物の表面の形状を評価する形状評価方法であって、
対象物の設計時の設計形状が設定された設計データを記憶する工程と、
対象物の評価の対象である評価対象形状が設定された評価対象データを記憶する工程と、
設計形状と評価対象形状とに基づいて形状誤差を算出する形状誤差算出工程と、
形状誤差算出工程において算出された形状誤差と予め定められた視覚特性データとに基づいて、算出された形状誤差の中から視認可能な形状誤差を検出する視認可能誤差検出工程と、
視認可能な形状誤差が発生している位置を特定する工程とを含むことを特徴とする、形状評価方法。 - 形状誤差算出工程は、評価対象形状の法線方向変化率から設計形状の法線方向変化率を減算することにより、形状誤差として法線方向変化率の誤差を算出する工程を含む、請求項1に記載の形状評価方法。
- 視覚特性データは、空間周波数に関する第1の視覚特性データと法線方向変化率の誤差の大きさに関する第2の視覚特性データとを含み、
視認可能誤差検出工程は、第1の視覚特性データに基づいて、法線方向変化率の誤差から視認が不可能な空間周波数の成分を除去する工程と、第2の視覚特性データに基づいて、視認が可能な法線方向変化率の誤差が存在するか否かを判定する工程とを含む、請求項2に記載の形状評価方法。 - 第1の視覚特性データは、表面に視覚解像度を評価する形状を有する第1の試験物を人が見たときに形状の変化を認識できる境界に基づいて設定された空間周波数の判定値を含み、
第2の視覚特性データは、表面に法線方向変化率の視認限界を評価する形状を有する第2の試験物を人が見たときに形状の変化を認識できる境界に基づいて設定された法線方向変化率の誤差の判定値を含む、請求項3に記載の形状評価方法。 - 第1の試験物は、間隔が徐々に狭くなる筋状の凹凸を有する表面の形状を有し、
第2の試験物は、表面に法線方向が変化する稜線を有し、稜線での法線方向変化率が稜線の延びる方向に沿って連続的に変化する形状を有する、請求項4に記載の形状評価方法。 - 対象物の表面の形状を評価する形状評価装置であって、
対象物の設計時の設計形状が設定された設計データを記憶する設計データ記憶部と、
対象物の評価の対象である評価対象形状が設定された評価対象データを記憶する評価対象データ記憶部と、
設計形状と評価対象形状とに基づいて形状誤差を算出する形状誤差算出部と、
形状誤差算出部において算出された形状誤差と予め定められた視覚特性データとに基づいて、算出された形状誤差の中から視認可能な形状誤差を検出する視認可能誤差検出部と、
視認可能な形状誤差が発生している位置を特定する位置特定部とを備えることを特徴とする、形状評価装置。 - 視覚特性データは、空間周波数に関する第1の視覚特性データと形状誤差の大きさに関する第2の視覚特性データとを含み、
形状誤差算出部は、形状の変化率の誤差を算出するように形成されており、
視認可能誤差検出部は、第1の視覚特性データに基づいて、形状の変化率の誤差から視認が不可能な空間周波数の成分を除去する空間周波数処理部と、第2の視覚特性データに基づいて、視認可能な形状の変化率の誤差が存在するか否かを判定する誤差判定部とを含む、請求項6に記載の形状評価装置。
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JP2015021309A JP6528308B2 (ja) | 2015-02-05 | 2015-02-05 | 形状評価方法および形状評価装置 |
PCT/JP2016/053074 WO2016125797A1 (ja) | 2015-02-05 | 2016-02-02 | 形状評価方法および形状評価装置 |
US15/543,181 US10775166B2 (en) | 2015-02-05 | 2016-02-02 | Shape evaluation method and shape evaluation apparatus |
EP16746628.3A EP3255379B1 (en) | 2015-02-05 | 2016-02-02 | Shape evaluation method and shape evaluation apparatus |
CN201680008499.8A CN107209011B (zh) | 2015-02-05 | 2016-02-02 | 形状评价方法以及形状评价装置 |
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WO2018147236A1 (ja) | 2017-02-10 | 2018-08-16 | 国立大学法人神戸大学 | 物体表面の評価方法、評価装置および該評価方法を用いたワークの加工方法および工作機械 |
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CN113050019A (zh) * | 2021-03-04 | 2021-06-29 | 国网湖南省电力有限公司 | 数据驱动评估结果和检定规程融合的电压互感器评估方法及系统 |
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JP7356940B2 (ja) * | 2020-03-23 | 2023-10-05 | ホヤ レンズ タイランド リミテッド | レンズ評価方法、レンズ設計方法、眼鏡レンズの製造方法およびレンズ評価プログラム |
CN114511197A (zh) * | 2022-01-11 | 2022-05-17 | 中国航空工业集团公司北京长城计量测试技术研究所 | 一种标准曲面特征参数评价算法的评定方法 |
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EP3582039A4 (en) * | 2017-02-10 | 2021-01-06 | National University Corporation Kobe University | OBJECT SURFACE EVALUATION PROCESS, EVALUATION DEVICE, PART MACHINING PROCESS USING ITS EVALUATION PROCEDURE, AND MACHINE TOOL |
US11507051B2 (en) | 2017-02-10 | 2022-11-22 | Makino Milling Machine Co., Ltd. | Object surface evaluation method, evaluation device, workpiece machining method using said evaluation method, and machine tool |
CN113050019A (zh) * | 2021-03-04 | 2021-06-29 | 国网湖南省电力有限公司 | 数据驱动评估结果和检定规程融合的电压互感器评估方法及系统 |
CN113050019B (zh) * | 2021-03-04 | 2023-07-11 | 国网湖南省电力有限公司 | 数据驱动评估结果和检定规程融合的电压互感器评估方法及系统 |
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EP3255379A1 (en) | 2017-12-13 |
CN107209011B (zh) | 2019-07-26 |
US20170370714A1 (en) | 2017-12-28 |
EP3255379B1 (en) | 2019-12-18 |
US10775166B2 (en) | 2020-09-15 |
EP3255379A4 (en) | 2018-07-25 |
CN107209011A (zh) | 2017-09-26 |
JP6528308B2 (ja) | 2019-06-12 |
WO2016125797A1 (ja) | 2016-08-11 |
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