A High-Speed Measurement Method for Reflective Liquid Crystal Cells Using a Liquid Crystal Polarization-Converting Device

2007 ◽  
Vol 3 (1) ◽  
pp. 22-28 ◽  
Author(s):  
Marenori Kawamura ◽  
Susumu Sato
Keyword(s):  
Liquid Crystal ◽  
High Speed ◽  
Measurement Method ◽  
Speed Measurement ◽  
Crystal Cells

Novel and Practical Gap Measurement Method for Reflective Liquid Crystal Cells

2005 ◽  
Vol 44 (2) ◽  
pp. 1107-1110 ◽  
Author(s):  
Takahiro Nishioka ◽  
Tetsuya Satake ◽  
Tetsuyuki Kurata ◽  
Toshiaki Maehara
Keyword(s):  
Liquid Crystal ◽  
Measurement Method ◽  
Gap Measurement ◽  
Crystal Cells

Simple Cell Gap Measurement Method for Twisted-Nematic Liquid Crystal Cells

2003 ◽  
Vol 43 (1A/B) ◽  
pp. L30-L32 ◽  
Author(s):  
Jin Seog Gwag ◽  
Kyoung-Ho Park ◽  
Gi-Dong Lee ◽  
Tae-Hoon Yoon ◽  
Jae Chang Kim
Keyword(s):  
Liquid Crystal ◽  
Nematic Liquid Crystal ◽  
Measurement Method ◽  
Simple Cell ◽  
Gap Measurement ◽  
Twisted Nematic ◽  
Twisted Nematic Liquid Crystal ◽  
Crystal Cells

Study of Velocity Measurement Error Analysis and Improving Velocity Measurement Accuracy on High-Speed Train

2014 ◽  
Vol 596 ◽  
pp. 468-471
Author(s):  
Tao Hou ◽  
Duo Wang Fan ◽  
Hong Xia Niu
Keyword(s):  
Measurement Error ◽  
Error Analysis ◽  
Velocity Measurement ◽  
High Speed ◽  
Measurement Method ◽  
Measurement Accuracy ◽  
Measuring System ◽  
High Speed Train ◽  
Speed Measurement ◽  
Velocity Measuring

For the problem of a big velocity measurement error,analyzed the velocity measurement error and studied the method of improving velocity measurement accuracy for the velocity measuring system of high-speed train.In this analysis and method, the speed error analysis was carried out based on understand the characteristics of the high-speed train speed sensor, and found that there is a bigger error. Then discussed the influence of large errors of the control system, and then put forward the improved M/T speed measurement method to solve the error problem. Finally, calculated velocity-measuring error for the improved M/T speed measurement method. The results show that the accuracy of speed has improved greatly. The research method can improve the accuracy to meet the requiring of train safety and smooth run.

Cell Gap Measurement Method for Single-Polarizer Reflective Liquid Crystal Cells

2001 ◽  
Vol 40 (Part 1, No. 5A) ◽  
pp. 3330-3331 ◽  
Author(s):  
Gi-Dong Lee ◽  
Tae-Hoon Yoon ◽  
Jae Chang Kim
Keyword(s):  
Liquid Crystal ◽  
Measurement Method ◽  
Gap Measurement ◽  
Crystal Cells
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