Critical state estimation system and method for secondary cells
First Claim
1. A critical state estimation system adapted for estimation of a critical state of a performance under a prescribed working condition of a secondary cell, in consideration of an internal resistance of the secondary cell, the system comprising:
- a variable data provider configured to provide a set of variable data on the performance, including an available first data on a variant of the performance, an available second data on a current of the secondary cell, and an estimated third data on a dynamic characteristic of the internal resistance; and
a specified data provider configured to provide a set of specified data on the secondary cell, including a specified fourth data on a permissible range of the variant under the prescribed working condition, and a set of exact data on the dynamic characteristic; and
a critical state estimator configured to process the set of variable data and the set of specified data for estimation of the critical state, the critical state estimator comprising an internal resistance setter configured to process the second data and the third data to set a subset of the set of exact data defining the dynamic characteristic, and an estimating element configured to process the first data, the fourth data, and the subset of exact data to estimate the critical state.
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Abstract
For estimation of a critical state of a performance under a working condition of a secondary cell, in consideration of an internal resistance of the cell, a variable data provider provides variable data on the performance, including a first data on a variant of the performance, a second data on a current of the cell, and an estimated third data on a dynamic characteristic of the internal resistance, a specified data provider provides specified data on the cell, including a fourth data on a permissible range of the variant under the prescribed working condition, and exact data on the dynamic characteristic, and a critical state estimator processes the variable and specified data for estimation of the critical state, and has an internal resistance setter to process the second and third data to set exact data as a function of second data defining the dynamic characteristic, and an estimating element to process the first, fourth, and exact data to estimate the critical state.
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Citations
13 Claims
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1. A critical state estimation system adapted for estimation of a critical state of a performance under a prescribed working condition of a secondary cell, in consideration of an internal resistance of the secondary cell, the system comprising:
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a variable data provider configured to provide a set of variable data on the performance, including an available first data on a variant of the performance, an available second data on a current of the secondary cell, and an estimated third data on a dynamic characteristic of the internal resistance; and
a specified data provider configured to provide a set of specified data on the secondary cell, including a specified fourth data on a permissible range of the variant under the prescribed working condition, and a set of exact data on the dynamic characteristic; and
a critical state estimator configured to process the set of variable data and the set of specified data for estimation of the critical state, the critical state estimator comprising an internal resistance setter configured to process the second data and the third data to set a subset of the set of exact data defining the dynamic characteristic, and an estimating element configured to process the first data, the fourth data, and the subset of exact data to estimate the critical state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A critical state estimation method adapted for estimation of a critical state of a performance under a prescribed working condition of a secondary cell, in consideration of an internal resistance of the secondary cell, the method comprising:
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providing a set of variable data on the performance, including an available first data on a variant of the performance, an available second data on a current of the secondary cell, an estimated third data on a dynamic characteristic of the internal resistance; and
providing a set of specified data on the secondary cell, including a specified fourth data on a permissible range of the variant under the prescribed working condition, and a set of exact data on the dynamic characteristic; and
processing the set of variable data and the set of specified data for estimation of the critical state, the processing comprising processing the second data and the third data to set a subset of the set of exact data defining the dynamic characteristic, and processing the first data, the fourth data, and the subset of exact data to estimate the critical state.
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Specification