1. A method for the control of injection molding and the determination of the transfer point from injection velocity control to packing pressure control comprising: —sensing the nozzle pressure or cavity pressure in the mold at discreet intervals; —calculating the differential pressure at discreet intervals; —calculating at least one input based on said differential pressure for input into a fuzzy inference system; —applying knowledge from said fuzzy inference system and outputting a value indicating a suitable tine to transfer from injection velocity control to packing pressure control.