id	keyword
ap-9792	energy
ap-9792	battery
ap-9792	energy storage
ap-9792	system
ap-9792	energy management
ap-9792	supercapacitor
ap-9792	power
ap-9792	hybrid
ap-9792	vehicle
ap-9792	electric
ap-9792	braking
ap-9792	storage system
ap-9792	cycle
ap-9792	control
ap-9792	driving
ap-9792	drive
ap-9792	current
ap-9792	figure
ap-9792	hess
ap-9792	soc
ap-9792	demand
ap-9792	strategy
ap-9792	voltage
ap-9792	braking energy
ap-9792	mode