Study on Fault Detection of Plastic Micro-Drive System: An Experimental Analysis of Grille Controller

Author:

Huang QingqingORCID,Li Jing,Zhang Ziqiang,Liu Xin,Luo Jiufei,Zhang BinORCID

Abstract

Plastic micro-drive systems are used in an increasing number of applications in manufacturing industries. The operational status of the plastic micro-drive system directly affects the performance of the host system. However, the fault diagnosis of the plastic micro-drive system remains a challenge due to its miniaturization. In this paper, a fault-detection study using the electrical-parameter analysis method is proposed for the grille controller, which provides a basis for typical plastic micro-drive systems. The structure and working principle of grille controllers are analyzed, and typical faults are summarized. Then, the fault-mechanism analysis of typical faults is presented, and the identification indicators of faults are developed. A strategy of fault-feature frequency extraction based on the improved reconstruction method of empirical-mode decomposition (EMD) is proposed. Finally, the experimental results reveal that the proposed indicators and method demonstrate high accuracy for the grille-controller fault detection.

Funder

China National Innovation and Entrepreneurship Training Program for College Students

Publisher

MDPI AG

Subject

Control and Optimization,Control and Systems Engineering

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