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A DEVS-based engine for building digital quadruplets.

Daniella Niyonkuru1, Gabriel Wainer1

  • 1Systems and Computer Engineering, Carleton University, Canada.

Simulation
|July 5, 2021
PubMed
Summary
This summary is machine-generated.

Developing bug-free embedded real-time systems is challenging. This study introduces the Digital Quadruplet, integrating a Digital Twin and Discrete-Event formal models for consistent simulation and real-time execution.

Keywords:
DEMESDEVSDigital QuadrupletDigital TwinDiscrete-Event Modeling of Embedded Systemscyber-physical systemsreal-time DEVS

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Area of Science:

  • Computer Science
  • Embedded Systems Engineering

Background:

  • Developing embedded real-time systems is complex and error-prone.
  • Ensuring bug-free applications is costly with no guarantees.
  • Existing methods lack seamless integration between virtual models and physical systems.

Purpose of the Study:

  • Introduce and define the Digital Quadruplet concept.
  • Establish consistency and reusability among its components.
  • Provide a unified environment for simulation, visualization, and real-time execution.

Main Methods:

  • Utilize a Discrete-Event formal model as a central hub.
  • Integrate a 3D virtual representation (Digital Twin).
  • Employ a Discrete-Event Systems (DEVS) kernel on bare-metal hardware, bypassing Operating RTOS.

Main Results:

  • Demonstrate a framework for consistent Digital Quadruplet components.
  • Enable model continuity from simulation to real-time execution.
  • Facilitate simulation in virtual time, visualization, and real-time execution.

Conclusions:

  • The Digital Quadruplet offers a robust approach to embedded real-time system development.
  • Model continuity and a unified environment reduce development complexity and cost.
  • DEVS kernel on bare-metal hardware enhances efficiency and reliability.