abstract = "The cart centering problem is well known in the field
of evolutionary algorithms and has often been used as a
proof of concept problem for techniques such as Genetic
Programming. This paper describes the application of a
grammar based, position independent encoding scheme,
Chorus, to the problem. It is shown that using the
traditional experimental set up employed to solve the
problem, Chorus is able to come up with the solutions
which appear to beat the theoretically optimal
solution, known and accepted for decades in the field
of control theory. However, further investigation into
the literature of the relevant area reveals that there
is an inherent error in the standard E.C. experimental
approach to this problem, leaving room for a multitude
of solutions to out perform the apparent best. This
argument is validated by the performance of Chorus,
producing better solutions at a number of occasions.",
notes = "GECCO-2002. A joint meeting of the eleventh
International Conference on Genetic Algorithms
(ICGA-2002) and the seventh Annual Genetic Programming
Conference (GP-2002)