Works (2)

Updated: July 5th, 2023 14:54

2021 journal article

EXAMINATION OF SOLVING OPTIMAL CONTROL PROBLEMS WITH DELAYS USING GPOPS-II

NUMERICAL ALGEBRA CONTROL AND OPTIMIZATION, 11(2), 283–305.

By: J. Betts*, S. Campbell* & C. Digirolamo*

author keywords: Optimal control; delayed dynamics; waveform relaxation; direct transcription; control parameterization; SOS; GPOPS-II
TL;DR: It is seen that GPOPS-Ⅱ finds a suboptimal solution when used as a direct transcription delayed optimal control problem solver but that it is often able to produce a good solution of the optimal controlProblem when use as a delayed boundary value solver of the necessary conditions. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: March 29, 2021

2020 journal article

INITIAL GUESS SENSITIVITY IN COMPUTATIONAL OPTIMAL CONTROL PROBLEMS

NUMERICAL ALGEBRA CONTROL AND OPTIMIZATION, 10(1), 39–43.

By: J. Betts*, S. Campbell* & C. Digirolamo*

author keywords: Optimal control; initial guesses; interior point methods; IPOPT; G-POPS II
TL;DR: An optimal control problem is presented that exhibited unexpected initial guess dependence when being solved with direct transcription methods and the cautionary tale it provides is presented. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: January 27, 2020

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