LAPSE:2018.0549
Published Article
LAPSE:2018.0549
Stability Analysis of Deadbeat-Direct Torque and Flux Control for Permanent Magnet Synchronous Motor Drives with Respect to Parameter Variations
Jae Suk Lee
September 21, 2018
This paper presents a stability analysis and dynamic characteristics investigation of deadbeat-direct torque and flux control (DB-DTFC) of interior permanent magnet synchronous motor (IPMSM) drives with respect to machine parameter variations. Since a DB-DTFC algorithm is developed based on a machine model and parameters, stability with respect to machine parameter variations should be evaluated. Among stability evaluation methods, an eigenvalue (EV) migration is used in this paper because both the stability and dynamic characteristics of a system can be investigated through EV migration. Since an IPMSM drive system is nonlinear, EV migration cannot be directly applied. Therefore, operating point models of DB-DTFC and CVC (current vector control) IPMSM drives are derived to obtain linearized models and to implement EV migration in this paper. Along with DB-DTFC, current vector control (CVC), one of the widely used control algorithms for motor drives, is applied and evaluated at the same operating conditions for performance comparison. For practical analysis, the US06 supplemental federal test procedure (SFTP), one of the dynamic automotive driving cycles, is transformed into torque and speed trajectories and the trajectories are used to investigate the EV migration of DB-DTFC and CVC IPMSM drives. In this paper, the stability and dynamic characteristics of DB-DTFC and CVC IPMSM drives are compared and evaluated through EV migrations with respect to machine parameter variations in simulation and experiment.
Keywords
DB-DTFC (deadbeat-direct torque and flux control), PMSM (permanent magnet synchronous motor), stability, torque control
Suggested Citation
Lee JS. Stability Analysis of Deadbeat-Direct Torque and Flux Control for Permanent Magnet Synchronous Motor Drives with Respect to Parameter Variations. (2018). LAPSE:2018.0549
Author Affiliations
Lee JS: Department of electrical engineering, Chonbuk National University, Jeollabuk-do 54896, Korea
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Journal Name
Energies
Volume
11
Issue
8
Article Number
E2027
Year
2018
Publication Date
2018-08-04
Published Version
ISSN
1996-1073
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Original Submission
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PII: en11082027, Publication Type: Journal Article
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LAPSE:2018.0549
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doi:10.3390/en11082027
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Sep 21, 2018
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Calvin Tsay
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