High-precision temperature measurement based on weak measurement using nematic liquid crystals

2018 ◽  
Vol 112 (23) ◽  
pp. 231901 ◽  
Author(s):  
Hongjing Li ◽  
Jing-Zheng Huang ◽  
Yang Yu ◽  
Yanjia Li ◽  
Chen Fang ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Temperature Measurement ◽  
High Precision ◽  
Nematic Liquid Crystals ◽  
Weak Measurement ◽  
Precision Temperature

High-precision temperature measurement with adjustable operating range based on weak measurement

2021 ◽  
Vol 54 (8) ◽  
pp. 085501
Author(s):  
Miaomiao Liu ◽  
Hongjing Li ◽  
Gongling Wang ◽  
Binke Xia ◽  
Jingzheng Huang ◽  
...  
Keyword(s):  
Temperature Measurement ◽  
High Precision ◽  
Weak Measurement ◽  
Operating Range ◽  
Precision Temperature

High Precision Temperature Measurement Based on π-Phase-Shifted Fiber Bragg Grating

2016 ◽  
Vol 53 (8) ◽  
pp. 080604
Author(s):  
于波 Yu Bo ◽  
景明勇 Jing Mingyong ◽  
胡建勇 Hu Jianyong ◽  
张国峰 Zhang Guofeng ◽  
肖连团 Xiao Liantuan ◽  
...  
Keyword(s):  
Temperature Measurement ◽  
Fiber Bragg Grating ◽  
High Precision ◽  
Bragg Grating ◽  
Precision Temperature

The Design of High-Precision Temperature Measurement System Based on C8051F350 and PT100

2013 ◽  
Vol 423-426 ◽  
pp. 2559-2562 ◽  
Author(s):  
Long Liu ◽  
Yun Cui Zhang ◽  
Shen Hua ◽  
Jun Xiao ◽  
Li Jia Huang
Keyword(s):  
Temperature Measurement ◽  
High Precision ◽  
Measurement System ◽  
Current Source ◽  
Constant Current ◽  
Constant Current Source ◽  
Interface Circuit ◽  
Software Algorithms ◽  
Precision Temperature ◽  
Temperature Measurement System

This article describes the design of High-Precision Temperature Measurement System based on C8051F350 and PT100. The system consists of the control circuit, temperature sensors, signal amplification circuit, field bus interface circuit. The system adopts constant current source method and a differential measurement circuit. A 24-bit A/D built in the CPU is used to sample the data and Non-linear compensation by software algorithms for it. The design improves the accuracy of the temperature measurement system.

Design of High Precision Temperature Sensor Based on Platinum Resistance

2014 ◽  
Vol 539 ◽  
pp. 177-180 ◽  
Author(s):  
Yi Zhen Nie
Keyword(s):  
Temperature Measurement ◽  
High Precision ◽  
Measurement System ◽  
Temperature Sensor ◽  
Platinum Resistance ◽  
Control Center ◽  
Precision Temperature ◽  
Nonlinear Compensation ◽  
Temperature Measurement System ◽  
Hardware Circuit

for Pt100 platinum resistance temperature measurement system has low accuracy, duplicate hardware circuit design and other issues, the articles design a high-precision temperature measurement system with Pt100 platinum resistance. With Pt100 temperature sensor, article takes STM32F103 as the control center through filtering, amplification and other signal conditioning circuit and a method of combining software look-up table to compensate the nonlinear compensation, thus achieving high-precision temperature measurement. Research results show that the system has a measurement accuracy high stability, scalability, and other characteristics.

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