In applications that require a high availability and high performance (for example aerospace),modular power electronics and multi-phase machines represent an advantageous choice. In this framework, a control system able to handle a high number of PWM signals and communication interfaces as well as featuring a high computational power is required. This paper proposes a novel HDL plus soft-core approach to be implemented on System-on-Chip hardware which allows for the efficient and modular implementation of the modern control techniques with strong guarantees in terms of determinism. The proposal lies in the adoption of a very simplified and optimized floating-point soft-core, the femtocore (fCore) and its tool-chain, which allows C-like implementation of complex algorithms in a HDL-design power electronics control framework. Several fCore units can be arranged for parallel processing to handle the time requirements of a complex modular system even with low sampling time (100 kHz or more). The proposed architecture is experimentally validated in a proof-of-concept, six-phase electric machine including a comparison against a traditional method.

Femtocore: An Application Specific Processor for Vertically Integrated High Performance Real-Time Controls / Savi, F.; Harikumaran, J.; Barater, D.; Buticchi, G.; Gerada, C.; Wheeler, P.. - In: IEEE OPEN JOURNAL OF THE INDUSTRIAL ELECTRONICS SOCIETY. - ISSN 2644-1284. - 2:(2021), pp. 479-488. [10.1109/OJIES.2021.3112124]

Femtocore: An Application Specific Processor for Vertically Integrated High Performance Real-Time Controls

Savi F.;Barater D.;
2021

Abstract

In applications that require a high availability and high performance (for example aerospace),modular power electronics and multi-phase machines represent an advantageous choice. In this framework, a control system able to handle a high number of PWM signals and communication interfaces as well as featuring a high computational power is required. This paper proposes a novel HDL plus soft-core approach to be implemented on System-on-Chip hardware which allows for the efficient and modular implementation of the modern control techniques with strong guarantees in terms of determinism. The proposal lies in the adoption of a very simplified and optimized floating-point soft-core, the femtocore (fCore) and its tool-chain, which allows C-like implementation of complex algorithms in a HDL-design power electronics control framework. Several fCore units can be arranged for parallel processing to handle the time requirements of a complex modular system even with low sampling time (100 kHz or more). The proposed architecture is experimentally validated in a proof-of-concept, six-phase electric machine including a comparison against a traditional method.
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Femtocore: An Application Specific Processor for Vertically Integrated High Performance Real-Time Controls / Savi, F.; Harikumaran, J.; Barater, D.; Buticchi, G.; Gerada, C.; Wheeler, P.. - In: IEEE OPEN JOURNAL OF THE INDUSTRIAL ELECTRONICS SOCIETY. - ISSN 2644-1284. - 2:(2021), pp. 479-488. [10.1109/OJIES.2021.3112124]
Savi, F.; Harikumaran, J.; Barater, D.; Buticchi, G.; Gerada, C.; Wheeler, P.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/1258682
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