Method for blood glucose control and artificial pancreas system for performing said method

System and method for the automatic control of glucose in type 1 diabetes, with the following characteristics: The system is designed to operate in fully automatic mode, without meal or exercise announcements. However, users are given the option to announce meals to adapt to the interaction they desire with the system. In this case, coordination is carried out between the manually activated prandial insulin bolus and the insulin infusion calculated by the controller to avoid overlapping actions and excessive insulin delivery.