Abstract
The paper presents a speed sensorless vector control method for an induction motor that is supplied by a PWM inverter through an output LC filter. The system states are estimated by an adaptive full-order observer, and no additional voltage, current or speed measurements are needed. The rotor speed adaptation is based on the estimation error of the inverter output current. Quasi-steady-state analysis is used to illustrate the speed adaptation, and the stability is analyzed using a linearized model. Simulation and experimental results show that it is possible to achieve performance comparable to that of a drive without the LC filter.
| Original language | English |
|---|---|
| Pages (from-to) | 430-437 |
| Journal | IEEJ Transactions on Industry Applications |
| Volume | 126-D |
| Issue number | 4 |
| Publication status | Published - Apr 2006 |
| MoE publication type | A1 Journal article-refereed |
Keywords
- induction motor
- LC filter
- observer
- sensorless
- vector control