Abstract: A battery charging curve learning device comprises: a loading module connected to a target charger, a first sampling module connected to the loading module, a boosting module connected to the target charger, and a controller connected to the loading module, the first sampling module, and the boosting module; the loading module is configured to simulate a load to make the target charger output the maximum power within the current time; the first sampling module is configured to collect the current output current and the current output voltage of the target charger, and send the collected parameters to the controller; the boosting module is configured to provide a starting voltage for the target charger; the controller is configured to control the operation of the loading module, the first sampling module, and the boosting module, and perform charging timer to obtain the charging time, and then obtain the charging curve of the battery applicable to the target charger according to the collection parameters of th

Abstract: An intelligent power wireless charging system for electric wheelchairs, comprises: a wireless charging transmitter, the wireless charging transmitter has a transmitter and a robotic arm with transmitter pad; a wireless charging receiver installed in the electric wheelchair; when the electric wheelchair is driven to the wireless charging transmitter within a certain area, the wireless charging transmitter receives the signal from the wireless charging receiver, a ranging sensor detects the position of the electric wheelchair, a laser sensor emits reference lines for guiding the electric wheelchair is parked within the predefined charging position; the robotic arm is activated and carries the transmitter pad from the standby position to move to the predefined charging position; the ranging sensor is activated and detects the position of the electric wheelchair, the robotic arm automatically find the wireless charging receiver to charge; when the charging is completed, the robotic arm automatically returns to th