John T. Betts - researchr alias

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Viewing Publication 1 - 11 from 11

2016

Comments on direct transcription solution of DAE constrained optimal control problems with two discretization approachesStephen L. Campbell, John T. Betts. na, 73(3):807-838, 2016. [doi]

2015

Lobatto IIIA methods, direct transcription, and DAEs with delaysJohn T. Betts, Stephen L. Campbell, Karmethia C. Thompson. na, 69(2):291-300, 2015. [doi]

2011

Optimal control software for constrained nonlinear systems with delaysJohn T. Betts, Stephen L. Campbell, Karmethia C. Thompson. cacsd 2011: 444-449 [doi]

2005

Order of Convergence in the Direct Transcription Solution of Optimal Control ProblemsAnna Engelsone, Stephen L. Campbell, John T. Betts. cdc 2005: 3723-3728 [doi]

2004

Direct transcription solution of inequality constrained optimal control problemsJohn T. Betts, Stephen L. Campbell, Anna Engelsone. amcc 2004: 1622-1626 [doi]

2003

Large Scale Parameter Estimation Using Sparse Nonlinear Programming MethodsJohn T. Betts, William P. Huffman. siamjo, 14(1):223-244, 2003. [doi]

Optimal Low Thrust Trajectories to the MoonJohn T. Betts, Sven O. Erb. siamads, 2(2):144-170, 2003. [doi]

Initialization of direct transcription optimal control softwareJohn T. Betts, Stephen L. Campbell, N. N. Kalla. cdc 2003: 3802-3807 [doi]

2002

Convergence of Nonconvergent IRK Discretizations of Optimal Control Problems with State Inequality ConstraintsJohn T. Betts, Neil Biehn, Stephen L. Campbell. siamsc, 23(6):1981-2007, 2002. [doi]

1999

Exploiting Sparsity in the Direct Transcription Method for Optimal ControlJohn T. Betts, William P. Huffman. coap, 14(2):179-201, 1999. [doi]

A direct approach to solving optimal control problemsJohn T. Betts. cse, 1(3):73-75, 1999. [doi]

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