| 摘要 |
<P>PROBLEM TO BE SOLVED: To appropriately set amounts of electric energy that can be inputted and outputted to prevent use of a secondary battery under extreme conditions when the accuracy of estimation of a quantity of battery state in a control device for secondary batteries so designed as to estimate a quantity of battery state by parameter identification (learning control) based on a sensor detection value. <P>SOLUTION: A parameter identification unit 110 carries out parameter identification based on a sensor detection value. A quantity of state estimation unit 120 computes quantities of state of a secondary battery using a control parameter Cpr from the parameter identification unit 110. The quantities of state include at least set values Pin, Pout indicating amounts of electric energy that can be inputted and outputted. In initial learning state established before the degree of control parameter identification reaches a predetermined value or higher after a learning reset instruction is inputted, determined by a degree of identification determination unit 130, a path P1 is selected. Therefore, a quantity of state correction unit 140 corrects the set values Pin, Pout so as to limit and reduce the amounts of electric energy that can be inputted and outputted, set by the quantity of state estimation unit 120. <P>COPYRIGHT: (C)2007,JPO&INPIT |
