WITHDRAWN: Time-optimal traversal of curved paths by Cartesian CNC machines under both constant and speed-dependent axis acceleration bounds

The publisher regrets that this article is an accidental duplication of an article that has already been published in Robotics Comput. Integrated Manuf., 23 (2007) 563–579, doi:10.1016/j.rcim.2006.07.002. The duplicate article has therefore been withdrawn.