Study on Problem of Sensorless PMSM Parameters Identification

Hua Jun Wang; Yao Kai Fan

doi:10.4028/www.scientific.net/AMM.548-549.834

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 548-549Study on Problem of Sensorless PMSM Parameters...

Study on Problem of Sensorless PMSM Parameters Identification

Abstract:

In the Signal-collecting in Sensorless PMSM Parameters Identification research appeared Voltage signal and Current signal are not common ground. In-depth study the problem and solved it. In order to solve the problem that Voltage signal and Current signal are not common ground, using Linearity of coupler element, Through the optical coupling element not only achieve a high and low pressure isolation and through a series of analog circuit to achieve the output terminal to the common ground. Input pressure value falls below the voltage data acquisition card allows the range of values. We verify the validity of this approach by multisim simulation software to.

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Periodical:

Applied Mechanics and Materials (Volumes 548-549)

Pages:

834-838

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.548-549.834

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Online since:

April 2014

Authors:

Hua Jun Wang*, Yao Kai Fan

Keywords:

Data Collection, MULTISIM, No Common Ground, Optocoupler Components, Parameter Identification

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* - Corresponding Author

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