Design and implementation of the online paper thickness detector

Author

Lijuan Qiao ; Qingfu Du ; Wei Guo ; Guofang Sun

Author_Institution

Sch. of Electr. & Inf. Eng., Shandong Univ. (Weihai), Weihai, China

fYear

2014

Firstpage

6055

Lastpage

6060

Abstract

This paper presents an online paper thickness detection method based on capacitive sensor. The detector uses CAV424 as capacitance measuring device and system on chip MSP430F149 as the control core. Fault conditions can be controlled in real time by comparing the real-time voltage signal. C language is used to build interactive interface. Fault conditions and paper thickness can be displayed on the interface. RS-485 serial port is used to exchange data between upper and lower computer. Finally, experiment validates the effectiveness of this capacitive detector in measuring the paper thickness.

Keywords

C language; capacitance measurement; capacitive sensors; computerised instrumentation; electronic data interchange; paper; system-on-chip; thickness measurement; C language; CAV424 capacitance measurement device; MSP430F149; RS-485 serial port; capacitive sensor; data exchange; fault condition; online paper thickness detection method; paper thickness measurement; real-time voltage signal; system on chip; Capacitance; Capacitive sensors; Capacitors; Circuit faults; Semiconductor device measurement; Thickness measurement; Voltage measurement; CAV424; parallel plate capacitor; system on chip MSP430F149; thickness measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Intelligent Control and Automation (WCICA), 2014 11th World Congress on

Type

conf

DOI

10.1109/WCICA.2014.7053757

Filename

7053757