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<p>This paper presents a compact mechatronic device for rapid and controllable high-frequency electromagnetic heating, integrating mechanical structure, power electronics, and thermal design. The device consists of a full-bridge inverter, an inductive solenoid coil, and a ferromagnetic heating blade enclosed in a miniaturized chamber. Electromagnetic-thermal simulations and experiments confirm that the system reaches above 150 °C within 4 s under 100 kHz excitation using a 1 mm Invar alloy blade. Compared with traditional zero-voltage switching devices, the proposed design reduces the number of inductors and capacitors by half and improves heating speed by 59.5 % under the same input power, solenoidal coil, and heating blade, demonstrating strong potential for portable thermal processing applications.</p>

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Design and experiment of a compact mechatronic device for portable high-frequency electromagnetic heating

  • 期刊论文

  • 发表日期：

    2026年7月11日

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  • Kehan Yan,
  • Chaoqun Wu

摘要

This paper presents a compact mechatronic device for rapid and controllable high-frequency electromagnetic heating, integrating mechanical structure, power electronics, and thermal design. The device consists of a full-bridge inverter, an inductive solenoid coil, and a ferromagnetic heating blade enclosed in a miniaturized chamber. Electromagnetic-thermal simulations and experiments confirm that the system reaches above 150 °C within 4 s under 100 kHz excitation using a 1 mm Invar alloy blade. Compared with traditional zero-voltage switching devices, the proposed design reduces the number of inductors and capacitors by half and improves heating speed by 59.5 % under the same input power, solenoidal coil, and heating blade, demonstrating strong potential for portable thermal processing applications.