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《Electrical Measurement & Instrumentation》 2005-03
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The Study on Thermal State Error Compensation for a High-precision Displacement Measurement System

XIANG Wen-jun, YU Zhong-hua , YIN Jian-jun(Institute of Modern Manufacturing Engineering, Zhejiang University, Hangzhou 310027, China)  
The paper proposes a self-adaptive segmentation compensation method, by fitting and judging the compensating interval, can self-adaptively shorten the compensation interval and select the new compensation interval, repeats these processes until each compensation interval and fitting function can be ascertained. The paper adopts the method of multinomial least squares as fitting to make the fitting function be simple and the amount of compensation interval be least, reduces the calculation cost.
【Fund】: 国家自然科学基金资助项目(编号:70272041)
【CateGory Index】: TM938
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