Abstract
This paper presents an adaptive robust predictive current control for permanent magnet synchronous motors (PMSM) based on deadbeat control law. The proposed algorithm calculates the switch state of the inverter against next period according to the current commands, and adopts a Luenberger observer to increase the system stability. This method extends the allowance of inductance error of traditional predictive control system efficiently, and increases phase margin of the current control system as well. Based on online inductance identification, the proposed algorithm balances the stability and frequency response of the control system dynamically during the motor running. A 750W PMSM is involved to verify the performance of the proposed algorithm, and then the simulation and experiment results are analyzed.
| Original language | English |
|---|---|
| Pages (from-to) | 3845-3856 |
| Number of pages | 12 |
| Journal | International Review of Electrical Engineering |
| Volume | 7 |
| Issue number | 2 |
| State | Published - 2012 |
Keywords
- Current control
- Permanent magnet synchronous motor
- Predictive control
- Robustness
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