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Self-Sensing Electromechanical System Integrated with the Embedded Displacement Sensor

Authors :
Shuxian Wang
Shiyou Liu
Zuqiang Su
Linlin Liu
Zhi Tang
Source :
Sensors, Vol 24, Iss 13, p 4102 (2024)
Publication Year :
2024
Publisher :
MDPI AG, 2024.

Abstract

Conventionally, the electromechanical system requires the installation of auxiliary displacement sensors and only the amount on the drive part and motion end, which increases volume, cost, and measurement error in the system. This paper presents an integrated measurement method with a sensing head, which takes the equal division characteristics of mechanical structures as part of the sensor, thus, the so-called self-sensing system. Moreover, the displacement is measured by counting the time pulses. The sensing head is integrated with the entire electromechanical system, including the driving, transmitting, and moving parts. Thus, the integration of the sensing part is greatly improved. Taking the rotary table as a special example, and the sensing head embedded into each part of the system, displacement information is obtained by the common processing system and fused by the adaptive weighted average method. The results of the experiment show that the fusion precision of each component is higher than only the motor position information as the feedback. The proposed method is a practical self-sensing technology with significant volume reduction and intelligent control benefits in the industry, especially suitable for extremely small and narrow spaces.

Details

Language :
English
ISSN :
14248220
Volume :
24
Issue :
13
Database :
Directory of Open Access Journals
Journal :
Sensors
Publication Type :
Academic Journal
Accession number :
edsdoj.0b8cf0cd1d9e46a1a8ac6803197ae03c
Document Type :
article
Full Text :
https://doi.org/10.3390/s24134102