Work

Hybrid model-based real-time simulation of switching devices: enhancing precision and resource efficiency

Year: 2026

Type: article

Abstract: Hardware-in-the-Loop (HIL) simulation technology based on Field-Programmable Gate Arrays (FPGA) effectively addresses the need for high-power and circuit fault state simulation in the field of power electronics, owing to its high-speed parallel processing and precise real-time simulation capabilities. This approach optimizes resource utilization, reduces costs, and accelerates the research and development cycle. However, traditional FPGA simulation methods often exhibit inefficiencies in model conversion and parameter adjustment, thereby reducing model editability. Furthermore, code redundancy exacerbates resource consumption and increases the simulation step size, limiting the capacity for high-precision and flexible simulations. To address these challenges, this paper proposes a real-time simulation method based on Mixed Logical Dynamical (MLD) theory, aiming to enhance simulation accuracy while optimizing FPGA resource utilization. First, the applicability of the MLD framework for simulating circuit dynamic behavior is verified through theoretical analysis. Second, an MLD model of the target circuit is constructed and deployed on an FPGA platform using a Speedgoat real-time simulator. Comparative simulation results indicate that the proposed method effectively achieves a smaller minimum step size and reduces FPGA resource consumption, offering a viable approach for future HIL-related research.

Source: Scientific Reports

DOI: 10.1038/s41598-026-68087-4

Authors: Yibiao Fan, Xiaowei Cai, Jianxiang Huang, GangLei Zhao, Kunrong Cui

Institutions: Longyan University, Xiamen University

Language: English

Topic: Real-time simulation and control systems

Subfield: Control and Systems Engineering

Field: Engineering

Domain: Physical Sciences

SDG: Industry, innovation and infrastructure

Open Access status: gold

Estimated APC paid: $2,690