1. National Institute of Metrology, Beijing 100029,China;
2. Key Laboratory of Advanced Manufacturing Technology of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027,China
Abstract:Primary standard of angular vibration devices have been developed in the National institute of Metrology. The maximum angular displacement of low angular vibration device is 300 ° and medium angular vibration device is 60 °. The dynamic range of angular accelerate is 0.04 rad/s2 to 2 000 rad/s2. Diffraction grating and heterodyne laser interferometer acted as the main measurement method. At the same time, circular grating and twobeam heterodyne laser interferometer differential measurement have been realized. Uncertainty of measurement of angular accelerate sensitivity (k=2) is: 0.5%, 0.5° (reference), and others are better than 1.0%, 1.0° in whole frequency band.
收稿日期: 2016-08-30
出版日期: 2018-06-15
引用本文:
刘爱东1,于梅1,何闻2. 角振动测量方法的研究[J]. 振动与冲击, 2018, 37(12): 216-219.
LIU Aidong1, YU Mei1, HE Wen2. A study of an angle vibration measuring method. JOURNAL OF VIBRATION AND SHOCK, 2018, 37(12): 216-219.
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