Previous work has demonstrated the capability of decision trees (DT) in sol
ving optimisation problems for the economic dispatch (ED) problem including
environmental constraints. This paper explains a new improvement in the DT
technique so that the numerical convergence of the overall technique impro
ves. A three unit test system is used to validate and highlight the perform
ance of this proposition. (C) 2000 Elsevier Science S.A. All rights reserve
d.