The IOPT-Flow Modeling Framework Applied to Power Electronics Controllers

Fernando Pereira, Luís Gomes

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


The input-output place-transition (IOPT)-flow modeling framework was created to support the design of mixed embedded system controllers containing both reactive and data-driven parts, combining Petri net and dataflow elements. The reactive parts, whose evolution depends on external events, are modeled using Petri nets. Data manipulation operations that process input signals and events are expressed using dataflows. The framework is composed by a Web-based tool-chain including a graphical editor, a simulator, and automatic code generation tools to produce C and VHDL controller implementations. To demonstrate the language and the related tools, an example of a closed-loop brushless dc servo motor controller is presented. A prototype using the automatic generated VHDL code was implemented on a field-programmable gate array (FPGA) board.

Original languageEnglish
Article number7605556
Pages (from-to)2363-2372
Number of pages10
JournalIEEE Transactions on Industrial Electronics
Issue number3
Publication statusPublished - 1 Mar 2017


  • Brushless dc (BLDC) servo
  • dataflow
  • EDA
  • field-programmable gate array (FPGA)
  • Petri nets
  • VHDL


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