Proposition of a tracking model for a class of continuous discrete process

We present in this paper, models for a product tracking function, in the case of continuous-discrete process, in order to decrease losses of product coming from production change over time. These models are based on some concepts (pivots and marks) that are virtual points on line and on the substratum moving on this line. They are defined by spatial considerations and they are managed using time events. We have to convert time events to space and space to time sequences to pilot the process and to track the manufactured products