A great number of analysis and synthesis problems of modern processes
can be written as state and control constrained optimal control proble
ms governed by ordinary differential equations with multipoint boundar
y values. As the software tools for following this attractive approach
are still missing or can be used only by experts, the structure and u
sage of an easy-to-use software package is described which efficiently
solves the given problem. Among its features are user-orientation, ap
plicability on personal computers and mainframes, and robustness with
respect to model changes and inaccurate starting values. It has been t
ested on a number of complex engineering tasks, including aerospace an
d robotic trajectory planning.