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Algorithm Implementation of a hybrid Efficiency controller incorporated to a PMSM standard FOC variable speed motor drive

Stavrakakis Georgios, Kalaitzakis Kostas, Piromalis D., Sergaki Eleftheria

Πλήρης Εγγραφή

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Περίληψη

The objective of this paper is to give an insight about the methodology of developing the algorithm for a DSP controlled motor drive in order to reduce complexity and development time by using re-useable software modules from TI® library, and by constructing the flow block diagram within the incremental system build (ISB) levels logic frame. The proposed methodology is applied for the implementation of the algorithm of an innovative hybrid efficiency control scheme which is incorporated to a standard speed field oriented control (FOC) drive, in order to improve online the efficiency for various types of motor drives (i.e ASI, PMSM drives) for both steady state and transient operation under load and speed variations. The hybrid efficiency control system combines a fuzzy logic controller and an LMC (loss model controller). In order to validate the efficiency improvement and to test the good dynamic performance of this innovated efficiency control system, the software code is build up by many smaller re-useable software modules and is simulated in Simulink® environment. For the hardware emulation the Code Composer Studio is used. The DSP code is emulated using the XDS510PP JTAG Emulator. The innovated fuzzy logic controllers (FLCs) prototypes are created and tested separately, using the Simulink® graphical programming. The present improved control scheme is validated by hardware emulation in Code Composer Studio TI® environment by using the Digital Spectrum ® eZdspF2812 as computing engine and the Digital Spectrum ® DMC1500 as inverter.

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