CONTROL METHOD OF HYBRID ELECTRIC POWER SUPPLY SYSTEM USED BY ELECTRIC VEHICLE
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United States of America Patent
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Jun 29, 2023
app pub date -
Dec 29, 2021
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Dec 29, 2021
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A control method of a hybrid electric power supply system used by a hybrid electric vehicle comprises obtaining a gradient of the hybrid electric vehicle, a throttle depth, and a power of an electric device, and calculating a required electric power; obtaining a State Of Charge value of two sets of power sources, and obtaining a power distribution value according to the SOC values and power demand; obtaining real-time output power change values of the two sets of power sources, and using double-level fuzzy energy control to obtain a smooth energy distribution value according to output power changes of the two sets of power sources; and obtaining respective output powers of the two sets of power sources according to the smooth energy distribution value, and controlling a Direct Current converter of the hybrid electric vehicle according to final two sets of output power values.
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