Research Article
Optimized Luenberger Observer-Based PMSM Sensorless Control by PSO
Table 8
Performance comparison of PMSM sensorless control system.
| Item | Description | LO | 2021 LO | Proposed method |
| 1 | Error for estimated position and actual position when start up | 2.9° | 2.18° | 1.58° | 2 | Error for estimated position and actual position at stable running | 2.5° | 1.8° | 1.2° | 3 | Error for estimated speed and actual speed when start up | 27 RPM | 35 RPM | 17 RPM | 4 | Error for estimated speed and actual speed at stable running | ±1 RPM | ±0.1 RPM | ±0.1 RPM |
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