A vehicle composite power supply energy management system
An energy management system and composite power supply technology, which is applied in the field of energy management of vehicle composite power supply systems, can solve the problems of short service life of lithium batteries, low power supply efficiency of composite power supply power systems, and low accuracy of state of charge estimation of lithium batteries.
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[0063] The present invention will be further described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0064] A kind of energy management system of vehicle composite power source of the present invention, its overall system structure is as follows figure 1 shown. This system mainly includes composite power management unit, fuzzy logic controller and particle swarm optimization algorithm. The function of the composite power management unit is to collect the operating parameters of the lithium battery and the supercapacitor and output the state of charge value to the fuzzy logic controller after processing, and at the same time receive the output...
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