Coil alignment method for wireless charging system of electric vehicle
The invention discloses a coil alignment method for a wireless charging system of an electric vehicle. The method comprises the following steps: firstly, applying alternating current excitation to a receiving coil of the wireless charging system, and generating an alternating magnetic field with spe...
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| creator | HAN XIAOJUAN ZHANG TIANMING WANG QIGANG WANG HONGXING LIU MINGKUI ZHANG WENBIAO PIAO YONGXIN GAO ZICHEN GAO JINYU JIA CHUNYI SUN DONG |
| description | The invention discloses a coil alignment method for a wireless charging system of an electric vehicle. The method comprises the following steps: firstly, applying alternating current excitation to a receiving coil of the wireless charging system, and generating an alternating magnetic field with specific geometric characteristics in a charging area; and then detecting a magnetic field generated by a receiving coil of the wireless charging system by using the planar coil array. A charging area induced voltage distribution image is reconstructed through an interpolation algorithm according to induced voltages obtained by different coils, the direction and the position of a receiving coil are calculated in combination with geometrical characteristics of an excitation magnetic field, and corresponding information is displayed on vehicle-mounted display equipment in real time, so that a reference is provided for the coil alignment process of the wireless charging system of the electric vehicle. And a driver is gui |
| format | Patent |
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The method comprises the following steps: firstly, applying alternating current excitation to a receiving coil of the wireless charging system, and generating an alternating magnetic field with specific geometric characteristics in a charging area; and then detecting a magnetic field generated by a receiving coil of the wireless charging system by using the planar coil array. A charging area induced voltage distribution image is reconstructed through an interpolation algorithm according to induced voltages obtained by different coils, the direction and the position of a receiving coil are calculated in combination with geometrical characteristics of an excitation magnetic field, and corresponding information is displayed on vehicle-mounted display equipment in real time, so that a reference is provided for the coil alignment process of the wireless charging system of the electric vehicle. 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The method comprises the following steps: firstly, applying alternating current excitation to a receiving coil of the wireless charging system, and generating an alternating magnetic field with specific geometric characteristics in a charging area; and then detecting a magnetic field generated by a receiving coil of the wireless charging system by using the planar coil array. A charging area induced voltage distribution image is reconstructed through an interpolation algorithm according to induced voltages obtained by different coils, the direction and the position of a receiving coil are calculated in combination with geometrical characteristics of an excitation magnetic field, and corresponding information is displayed on vehicle-mounted display equipment in real time, so that a reference is provided for the coil alignment process of the wireless charging system of the electric vehicle. 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The method comprises the following steps: firstly, applying alternating current excitation to a receiving coil of the wireless charging system, and generating an alternating magnetic field with specific geometric characteristics in a charging area; and then detecting a magnetic field generated by a receiving coil of the wireless charging system by using the planar coil array. A charging area induced voltage distribution image is reconstructed through an interpolation algorithm according to induced voltages obtained by different coils, the direction and the position of a receiving coil are calculated in combination with geometrical characteristics of an excitation magnetic field, and corresponding information is displayed on vehicle-mounted display equipment in real time, so that a reference is provided for the coil alignment process of the wireless charging system of the electric vehicle. And a driver is gui</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL |
| title | Coil alignment method for wireless charging system of electric vehicle |
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