Strategy of Battery Management System Based on Instantaneous Equilibrium for Hybrid Electric Vehicle

The indispensable of battery management system and its elementary structure are mentioned at first. Then a kind of battery management system is detailed, including software and hardware which the HCS12 series singlechip of Motorola Company and battery monitor chip DS2438 forms the system's core. The control strategy of the system based on fuzzy logic controller is detailed, the application effect is analyzed, and its convenience and effectiveness for instantaneous equilibrium are also proven.