LAPSE:2023.32886
Published Article
LAPSE:2023.32886
A Current Sensor Fault Tolerant Control Strategy for PMSM Drive Systems Based on Cri Markers
April 20, 2023
The paper describes a vector-controlled fault tolerant control (FTC) structure for permanent magnet synchronous motor (PMSM) drives. As a control algorithm, the classical field oriented control was applied. For the proper operation of this drive, minimum two current sensors are necessary, however, in the FTC drives additional redundant transducers are applied. Each measuring sensor, including current sensors, are susceptible to damage and can lead to unstable operation of the drive. The presented control structure, with a diagnostic and compensation system, is robust to the typical current sensor faults—lack of signal, intermittent signal, variable gain, signal noise and signal saturation. The fault detection algorithm is based on the signal method. The fault diagnostic system is tested in two control algorithms—the scalar control and vector control ones—to demonstrate the transient of the faulted signals, detection signals and detection time. After current sensor fault appearance, its influence on the control structure, especially speed transient, is compensated using non-sensitive components. The analysis is presented for all the abovementioned faults for different speed conditions.
Record ID
Keywords
current sensor, fault detector, FOC, FTC, PMSM
Subject
Suggested Citation
Jankowska K, Dybkowski M. A Current Sensor Fault Tolerant Control Strategy for PMSM Drive Systems Based on Cri Markers. (2023). LAPSE:2023.32886
Author Affiliations
Journal Name
Energies
Volume
14
Issue
12
First Page
3443
Year
2021
Publication Date
2021-06-10
Published Version
ISSN
1996-1073
Version Comments
Original Submission
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PII: en14123443, Publication Type: Journal Article
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LAPSE:2023.32886
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doi:10.3390/en14123443
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Apr 20, 2023
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