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AN1942外发-原稿.pdf

Contents
1. Introduction .............................................1
2. Features of Freescale’s Digital Signal
Controllers (DSCs) ............................1
3. Resolvers .................................................3
3.1 Resolver Parameters.............................4
3.2 Theory of Resolver Operation..............5
3.3 Basics of Angle Extraction ..................6
4. Hardware Interface ...............................13
5. Experimental Tests ...............................15
5.1 Dynamic parameters of the Angle
Tracking Observer..............................15
5.2 Smoothing Feature of the Angle
Tracking Observer..............................18
5.3 Test of the Resolver Driver in a
Motor Control Application.................22
6. Conclusion ............................................26
7. References .............................................26