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Real-time Parameter Estimation of Vector-Control Induction Motor Fed by CR-PWM Using Extended Kalman Filter
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| Author(s) |
D. Ovidiu Kisck; S. Bucurenciu; M. Bucurenciu; G. Sirbu; M. Kisck |
| Abstract |
For the control of high performance induction motor drives, one of the most used method is indirect rotor field oriented control which requires an accurate knowledge of the rotor resistance. A linear model of the induction motor becomes non-linear when the parameters change and it effects the dynamic performances of the drives. To estimate the rotor resistance, the paper presents a method which uses the Extended Kalman Filter. It is proposed that instead of using measured three-phase stator currents as measured variables to Extended Kalman Filter, the stator reference currents, to which white Gaussian noise is added, may be used. So that the 3/2 phase transformation and three low-pass filters can be eliminated. the proposed method is implemented with a fixed-point DSP-TMS320F240 and the digital simulation and experimental results carried out show its performances. |
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| Filename: | EPE1999 - PP00559 - Kisck Dragos.pdf |
| Filesize: | 178.9 KB |
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| Type |
Members Only |
| Date |
Last modified 2004-04-08 by System |
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