An improved angle calibration method of a high-precision angle comparator

• Autorzy: Xia Yangqiu , Wu Zhilin , Huang Ming , Liu Xingbao , Mi Liang , Tang Qiang

Identyfikatory

DOI

10.24425/mms.2021.136001

• Języki publikacji: EN

Abstrakty

EN

Angle calibrations are widely used in various fields of science and technology, while in the high-precision angle calibrations, a complete closure method which is complex and time-consuming is common. Therefore, in order to improve the measurement efficiency and maintain the accuracy of the complete closure method, an improved calibration method was proposed and verified by the calibration of a high-precision angle comparator with sub-arc-second level. Firstly, a basic principle and algorithm of angle calibration based on complete closure and symmetry connection theory was studied. Then, depending on the pre-established calibration system, the comparator was respectively calibrated by two calibration methods. Finally, by comparing E_n values of two calibration results, the effectiveness of the improved method was verified. The calibration results show that the angle comparator has a stable angle position error of 0.17′′ and a measurement uncertainty of 0.05′′ (k=2). Through method comparisons, it was shown that the improved calibration method can greatly reduce calibration time and improve the calibration efficiency while ensuring the calibration accuracy, and with the decrease of measurement interval, the improvement of calibration efficiency was more obvious.

Słowa kluczowe

EN

angle calibration; position error; complete closure method; method verification

• Wydawca: Komitet Metrologii i Aparatury Naukowej PAN
• Czasopismo: Metrology and Measurement Systems
• Rocznik: 2021
• Tom: Vol. 28, nr 1
• Strony: 181--190
• Opis fizyczny: Bibliogr. 28 poz., rys., tab., wykr., wzory

Twórcy

autor

Xia Yangqiu

• Nanjing University of Science & Technology, School of Mechanical Engineering, Nanjing, China
• Institute of Machinery Manufacturing Technology, CAEP, Mianyang, China
• National Machine Tool Production Quality Supervision Testing Center (Sichuan), Chengdu, China

autor

Wu Zhilin

• Nanjing University of Science & Technology, School of Mechanical Engineering, Nanjing, China

autor

Huang Ming

• Institute of Machinery Manufacturing Technology, CAEP, Mianyang, China

autor

Liu Xingbao

• Institute of Machinery Manufacturing Technology, CAEP, Mianyang, China
• National Machine Tool Production Quality Supervision Testing Center (Sichuan), Chengdu, China

autor

Mi Liang

• Institute of Machinery Manufacturing Technology, CAEP, Mianyang, China
• National Machine Tool Production Quality Supervision Testing Center (Sichuan), Chengdu, China

autor

Tang Qiang

• Institute of Machinery Manufacturing Technology, CAEP, Mianyang, China
• National Machine Tool Production Quality Supervision Testing Center (Sichuan), Chengdu, China

Bibliografia

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Uwagi

1. This research was supported by the Science Challenge Project of China (No. TZ2018006-0104).

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).