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<p>In response to the problem of magnetic coupling mechanism deviation during the parking charging of an Automatic Guided Vehicle (AGV), which leads to a significant drop in system output power, this article proposes a magnetic integrated coil structure based on radial and tangential orthogonal magnetic flux. In addition, it optimizes and designs the anti-offset characteristics of a bilateral LCC type Inductive Power Transfer (IPT) system based on secondary magnetic integration technology, effectively solving the problem of power drops after offset. First, select and construct a bilateral LCC circuit topology based on secondary magnetic integration technology, where the secondary compensating inductor coil and the receiving coil share the magnetic circuit. Then, the magnetic integrated coil structure is constructed based on radial and tangential orthogonal magnetic flux. Finally, establish an experimental platform to verify the anti-offset characteristics. When the coupling mechanism is offset to 200&#xa0;mm along the X/Y-axis direction, the average output power during the offset period is 201.04W, which is higher than the 169.05W in the alignment position. When the coupling mechanism is offset to 200 <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="43236_2025_1030_Article_IEq1.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="28" /> </InlineMediaObject> <EquationSource Format="TEX">\(\sqrt{2}\)</EquationSource> <EquationSource Format="MATHML"><math> <msqrt> <mn>2</mn> </msqrt> </math></EquationSource> </InlineEquation> mm along the Y =  ± X direction, the average output power during the offset period is 181.80W, which is higher than the power at the alignment position. This can effectively solve the problem of output power drop after offset and improve the anti-offset characteristics of the IPT system.</p>

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Research on anti-offset characteristics of magnetic integrated coil structure for IPT system based on radial and tangential orthogonal magnetic fluxes

  • 期刊论文

  • 发表日期：

    2025年4月9日

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  • Yang Lu,
  • Chenyang Xia,
  • Mengmeng Chen,
  • Chenxu Wang,
  • Tao Lu,
  • Yunhai Liu,
  • Hao Lu

摘要

In response to the problem of magnetic coupling mechanism deviation during the parking charging of an Automatic Guided Vehicle (AGV), which leads to a significant drop in system output power, this article proposes a magnetic integrated coil structure based on radial and tangential orthogonal magnetic flux. In addition, it optimizes and designs the anti-offset characteristics of a bilateral LCC type Inductive Power Transfer (IPT) system based on secondary magnetic integration technology, effectively solving the problem of power drops after offset. First, select and construct a bilateral LCC circuit topology based on secondary magnetic integration technology, where the secondary compensating inductor coil and the receiving coil share the magnetic circuit. Then, the magnetic integrated coil structure is constructed based on radial and tangential orthogonal magnetic flux. Finally, establish an experimental platform to verify the anti-offset characteristics. When the coupling mechanism is offset to 200 mm along the X/Y-axis direction, the average output power during the offset period is 201.04W, which is higher than the 169.05W in the alignment position. When the coupling mechanism is offset to 200 \(\sqrt{2}\) 2 mm along the Y =  ± X direction, the average output power during the offset period is 181.80W, which is higher than the power at the alignment position. This can effectively solve the problem of output power drop after offset and improve the anti-offset characteristics of the IPT system.