Battery management and generator control With the development of automotive technology, there are more and more automotive electronic devices and entertainment devices. On the one hand, these electronic systems add to the pressure on the vehicle's energy. Under normal circumstances, in the case of 1kW power consumption, the demand for every 100 kilometers of travel consumes 0.7~1.2L of gasoline. On the other hand, it also makes the failure of the car to start due to the failure of the electronic system to be