US Patent 11530674 Start-stop control apparatus

Provided is a start-stop control apparatus to be mounted in a vehicle including an engine, a starter motor configured to restart the engine, and an auxiliary battery configured to supply electric power to the starter motor. The start-stop control apparatus includes a stop processing unit and an engine measuring unit. The stop processing unit stops idling of the engine while the vehicle is being stopped. The engine measuring unit measures an internal loss of the engine. The stop processing unit determines whether to stop the idling of the engine on the basis of the internal loss measured by the engine measuring unit and the state of charge of the auxiliary battery.