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7 March 2019 Experimental study on non-linear calibration of two-dimensional nano-positioning stage
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Proceedings Volume 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation; 1105341 (2019) https://doi.org/10.1117/12.2512394
Event: 10th International Symposium on Precision Engineering Measurements and Instrumentation (ISPEMI 2018), 2018, Kunming, China
Abstract
This paper presents the control and non-linear calibration of large-scale two-dimensional nanometer displacement stage. The stage consists of a monolithic compliant mechanism, which using flexible hinge superimposed branch as a transmission part, driven by three piezoelectric actuators, To certify excellent performance of the stage, a micro-displacement measurement system which based on the measurement principle of a laser interferometer was setted up, then comparison of several stage parameters accomplished between before and after calibration. Based on the measurement of optical path and composition of dual-frequency laser interferometer, a experimental study on nano-positiong stage was carried out. The non-linear calibration method which based on newton-steffensen accelerated iteration are described; The accuracy of the calibration method was verified through experiments. Experiments show that: before calibration, the maximum nonlinearity error of x-axis and y-axis were 4.012μm and 2.875μm. after calibration, the maximum non-linearity of the x-axis is 8 nm and the maximum nonlinearity error of the y-axis is 10 nm, Meanwhile, a mathematical model is established to calculate the coupled displacement and yaw angle, The actual coupled displacement and yaw angle of X/Y were limited to 380nm and 1.4μrad.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Zhou Qi, Qi Li, Yu-shu Shi, Shi Li, Lu Huang, and Sitian Gao "Experimental study on non-linear calibration of two-dimensional nano-positioning stage", Proc. SPIE 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation, 1105341 (7 March 2019); https://doi.org/10.1117/12.2512394
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