Abstract
For solving the problems when charging the Automated Guided Vehicle (AGV) which is applied in the plant, a charging method based on a non-contact/wireless manner is proposed in this paper. By using this wireless charging method, the unsecure factors such as interface aging and low level of automation caused by using a traditional wire charging method are improved. Firstly, a simulation model of the resonant system at the primary-secondary side is established based on the principle of wireless energy transfer technology. Secondly, a hardware platform is designed based on a theoretical calculation of the resonant coupling simulation model, which meets the requirements of the AGV system. Finally, the distance between the transmitter and receiver can be adjusted from 20 mm to 35 mm. A constant-current charging strategy is employed in the wireless charging apparatus for charging six lead-acid batteries each has a capacity of 120Ah. The system efficiency reaches 80% during the charging process.
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