원문정보
초록
영어
For an interior permanent magnet synchronous motor (IPMSM) control system, the actual maximum torque per ampere (MTPA) trajectory may deviate from the ideal one with parameter variances, and thus the system may not obtain the maximum torque output. In view of this problem, a novel parameter identification method based on the model reference adaptive system (MRAS) is proposed in this paper. In this method, the deviations of MTPA trajectories with parameter variances are analyzed and evaluated firstly, and then the q-axis inductance and the rotor flux linkage are identified on-line in a full rank MRAS model according to Popov Hyper Stability Theorem. Finally, the feasibility and validity of the designed method are proved through simulation results.
목차
1. Introduction
2. Mathematical Nodel of IPMSM MTPA Control System
3. MTPA Trajectory with Parameter Variances
4. Construction of Model Reference Adaptive System
4.1. IPMSM Reference Model
4.2. Adjustable Model
5. Design of Adaptive Parameter Identification Method
5.1. Equivalent Nonlinear Time-Varying Feedback System
5.2. Design of Adaptive Laws
5.3. Design of Matrix Gain
6. Simulation Results and Analysis
7. Conclusion
Acknowledgments
References