光電矩陣編碼器標(biāo)定方法的研究
[Abstract]:As a high-precision angle sensor, photoelectric encoder is widely used in military, aerospace, medical, industrial production and other fields. With the development of precision measurement technology, the precision of photoelectric encoder has been improved, and more attention has been paid to the precision calibration of photoelectric encoder. In view of the fact that the existing calibration methods of photoelectric encoder have not studied the calibration error compensation and most of them have the shortcomings of complex operation, low efficiency and low degree of automation in the calibration process, this paper develops an efficient and high-precision calibration method based on error compensation. Research on Calibration method of photoelectric Matrix Encoder with High Automation. In this paper, the basic principle of photoelectric encoder calibration is analyzed firstly. On the basis of direct comparison method, a calibration method of photoelectric matrix encoder based on error compensation and based on the measurement angle of dual-frequency laser interferometer is established. Secondly, according to the calibration method of photoelectric matrix encoder, the calibration system of photoelectric matrix encoder is constructed in this paper. The composition of the calibration system and the realization of each part of the calibration system are introduced in detail. Thirdly, the error source of calibration system is analyzed deeply, and the detecting scheme of shaft angle error is put forward, and the testing experiment is carried out. The error compensation model is established according to the detection results of the rotation angle error of shafting. At the same time, the algorithms of various error compensation models are analyzed, and the compensation effect of the model is verified by the compensation experiment. Finally, the calibration system software of photoelectric matrix encoder is programmed in this paper. The calibration experiment of photoelectric matrix encoder is carried out, and the contrast experiment with the traditional manual encoder calibration method is carried out. The experimental results show that, After error compensation, the calibration results of the system are accurate and reliable, and the encoder calibration method studied in this paper is feasible and effective.
【學(xué)位授予單位】:長(zhǎng)春理工大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類(lèi)號(hào)】:TN762
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