IMPROVED GRADIENT-TYPE ALGORITHMS FOR ZERO TERMINAL GRADIENT OPTIMAL CONTROL PROBLEMS.

Chung Feng Kuo, Chen-Yuan Kuo

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In this paper, the authors first apply a new transformation method developed by Polak which transforms the variable final time problem into a fixed final time problem. Second, an improved gradient-type algorithm is developed to overcome the zero terminal gradient problem. It is shown that, by applying this transformation and improved algorithm to four examples, not only the variable final time and zero terminal gradient problems are solved and the control vector updated in the correct direction but the rate of convergence of the improved algorithm is faster than that of the traditional gradient-type algorithms.

Original languageEnglish (US)
Pages (from-to)355-362
Number of pages8
JournalJournal of Dynamic Systems, Measurement and Control, Transactions of the ASME
Volume109
Issue number4
StatePublished - Dec 1987

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optimal control
gradients
directional control

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Instrumentation

Cite this

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