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        Scaling and Balancing for High-Performance Computation of Optimal Controls

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        Author
        Ross, I.M.
        Gong, Q.
        Karpenko, M.
        Proulx, R.J.
        Date
        2018
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        Abstract
        It is well known that proper scaling can increase the efficiency of computational problems. In this paper, we define and show that a balancing technique can substantially improve the computational efficiency of optimal-control algorithms. We also show that noncanonical scaling and balancing procedures may be used quite effectively to reduce the computational difficulty of some hard problems. These results have been used successfully for several flight and field operations at NASA and the U.S. Department of Defense. A surprising aspect of our analysis shows that it may be inadvisable to use autoscaling procedures employed in some software packages. The new results are agnostic to the specifics of the computational method; hence, they can be used to enhance the utility of any existing algorithm or software.
        Description
        The article of record as published may be found at http://dx.doi.org/10.2514/1.G003382
        Rights
        This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
        URI
        http://hdl.handle.net/10945/61120
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        • Faculty and Researchers' Publications

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