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Femtocore: An Application Specific Processor for Vertically Integrated High Performance Real-Time Controls
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DOI：10.1109/OJIES.2021.3112124.png)
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Abstract
En 中文
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.
Keywords:
Control systems
Computer architecture
Process control
Real-time systems
Field programmable gate arrays
Standards
Software
Digital signal processors
control system implementation
current control
machine drive
Journal
I
IF:
4.3
Papers:
1.7K
Citations:
991
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