Survey of Numerical Methods for Trajectory Optimization von Betts, John T

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Very low-thrust trajectory optimization using a direct SQP method von Betts, John T.

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Comments on direct transcription solution of DAE constrained optimal control problems with two discretization approaches von Campbell, Stephen L., Betts, John T.

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Lobatto IIIA methods, direct transcription, and DAEs with delays von Betts, John T., Campbell, Stephen L., Thompson, Karmethia

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Optimal Low Thrust Trajectories to the Moon von Betts, John T., Erb, Sven O.

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Optimal low‒thrust orbit transfers with eclipsing von Betts, John T.

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Path-constrained trajectory optimization using sparse sequential quadratic programming von BETTS, JOHN T., HUFFMAN, WILLIAM P.

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Application of sparse nonlinear programming to trajectory optimization von BETTS, JOHN T., HUFFMAN, WILLIAM P.

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Trajectory optimization in the presence of uncertainty von Betts, John T.

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Solving optimal control problems with control delays using direct transcription von Betts, John T., Campbell, Stephen L., Thompson, Karmethia C.

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Optimal lowthrust orbit transfers with eclipsing von Betts, John T

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Large Scale Parameter Estimation Using Sparse Nonlinear Programming Methods von Betts, John T., Huffman, William P.

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Application of Direct Transcription to Commercial Aircraft Trajectory Optimization von Betts, John T, Cramer, Evin J

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Using Direct Transcription to Compute Optimal Low Thrust Transfers Between Libration Point Orbits von Betts, John T.

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Exploiting Sparsity in the Direct Transcription Method for Optimal Control von Betts, John T, Huffman, William P

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Optimal lunar swingby trajectories von Betts, John T.

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Trajectory optimization on a parallel processor von BETTS, JOHN T., HUFFMAN, WILLIAM P.

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Sparse Jacobian updates in the collocation method for optimal control problems von BETTS, JOHN T.

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Direct transcription solution of inequality constrained optimal control problems von Betts, J.T., Campbell, S.L., Engelsone, A.

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Convergence of nonconvergent irk discretizations of optimal control problems with state inequality constraints von BETTS, J. T, BIEHN, N, CAMPBELL, S. L

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