Solving large-scale continuous-time algebraic Riccati equations by doubling
Solving large-scale continuous-time algebraic Riccati equations by doubling
复制标题
通过加倍求解大规模连续时间代数 Riccati 方程
DOI:
10.1016/j.cam.2012.06.006
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发表时间:
2013
影响因子:
2.4
通讯作者:
Weng, Peter Chang-Yi
中科院分区:
文献类型:
--
作者:
Li, Tiexiang;Chu, Eric King-wah;Lin, Wen-Wei;Weng, Peter Chang-Yi
We consider the solution of large-scale algebraic Riccati equations with numerically low-ranked solutions. For the discrete-time case, the structure-preserving doubling algorithm has been adapted, with the iterates for A not explicitly computed but in the recursive form [Formula: see text] , with Dk(1)and Dk(2)being low-ranked and Sk−1being small in dimension. For the continuous-time case, the algebraic Riccati equation will be first treated with the Cayley transform before doubling is applied. With n being the dimension of the algebraic equations, the resulting algorithms are of an efficient O(n) computational complexity per iteration, without the need for any inner iterations, and essentially converge quadratically. Some numerical results will be presented. For instance in Section 5.2, Example 3, of dimension n=20209 with 204 million variables in the solution X, was solved using MATLAB on a MacBook Pro within 45 s to a machine accuracy of O(10−16).
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DOI:
10.1109/9.863597
发表时间:
2000-06
期刊:
IEEE Trans. Autom. Control.
影响因子:
--
作者:
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通讯作者:
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DOI:
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发表时间:
2004-06
期刊:
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影响因子:
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影响因子:
4.3
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通讯作者:
Ulrike Baur
影响因子:
4.3
作者:
P. Benner
通讯作者:
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DOI:
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发表时间:
1994
期刊:
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影响因子:
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作者:
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通讯作者:
Daniel Boley;B. Datta