The invention relates to a
hybrid vehicle combined type
energy management method. The
hybrid vehicle combined type
energy management method comprises the following steps that high-
voltage bus demand power, a torque requirement of a
drive motor and a torque requirement of a
brake system are obtained through signals such as an accelerator pedal, a
brake pedal opening degree and an actual rotation speed of the
drive motor and checked maximum charge-
discharge power of an
energy storage system; a SOC of the
energy storage system is corrected based on the checked maximum charge-
discharge power of the
energy storage system and the
bus power; a basic switching strategy based on the upper and lower limitation of the SOC and an engine switching control strategy with trigger-turning-on during high-power requirements and trigger-turning-off during large
brake are developed, an improved equivalent fuel consumption minimization strategy is used and important parameters are optimized by self-learningmethod to realize the optimal power distribution; and finally, the engine switching strategy and an
energy management strategy are combined. Compared with the prior art, the
hybrid vehicle combined type energy management method enables the control of the engine and the
drive motor to be more accurate and efficient, and the oil saving potential under the single energy storage system is improved, and the cycle life of a
lithium battery pack under the single energy storage system is prolonged.