公开(公告)号：US10151579B1

公开(公告)日：2018-12-11

申请号：US15853849

申请日：2017-12-24

Applicant: GUANGDONG UNIVERSITY OF TECHNOLOGY

Inventor： Zhijun Yang ,  Yanfeng Li ,  Tiegen Cai ,  Qian Li ,  Xin Chen

IPC: G01D5/347 ,  G01B11/02 ,  G01D5/26

Abstract: The present invention has the advantages of simple structure, low detection cost, high measurement precision, high detection speed, strong practicability, etc. The present invention relates to a novel array photoelectric sensor grating displacement detection system and method. The system includes a parallel light source, an incremental glass grating ruler, photoelectric sensor arrays, a high-speed voltage comparator, a signal processing unit and a displacement display unit, wherein the incremental glass grating ruler is perpendicular to an irradiation direction, of the parallel light source.