Parameter estimation of induction motors using PWM inverters
Name
43461320-MIT.pdf
Description
Full printable version
Size
9.22 MB
Format
Adobe PDF
Checksum (MD5)
6649ce3c9f2b36007a2216ac39ee3db0
Author(s)
Evangelista, Dennis J. (Dennis Jose), 1977-
Advisor(s)
Steven B. Leeb and Steven R. Shaw.
Alternative Title
Parameter estimation and adaptive control of induction motors
Date Issued
1999
Publisher
Massachusetts Institute of Technology
Abstract
Induction motor parameter identification algorithms utilizing the DSP controlled 3 phase PWM inverter constructed in [12] are discussed. A single stator voltage test is carried out with the machine's rotor standing still. The resulting transient is used to determine machine electrical parameters. Several algorithms for this are discussed, extending work discussed in [21], (34], and (35]. The final algorithm tested uses a radial basis function network to approximate a function mapping from a time lag space consisting of the dq transformed stator currents to a space of machine electrical parameters. This algorithm is attractive because it is very easy to perform, consisting of one nonlinear step and one linear step. The original goal for the hardware of [12] was to perform adaptive field-oriented control on small induction motors. Several observers and online flux estimation methods, as well as alternative algorithms including neural networks and genetic algorithms, were looked at over the course of this year. This background is provided in the appendix, in order to aid future work on this project.
Description
Thesis (S.B. and M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.
Includes bibliographical references (p. 197-200).
Subjects
Electrical Engineering and Computer Science
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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