Abstract: Automotive electrical system for a motor vehicle comprising an internal combustion engine of a motor vehicle; the electric vehicle system comprising a series of electric vehicle loads, an electric battery, and an alternator generating a supply voltage of the electric vehicle loads and of the electric battery; the alternator comprising an inductive electric circuit adapted to be crossed by an electric control current; the electric vehicle system comprises an alternator electronic control system configured so as to determine a series of battery parameters (pam_bat) indicating the state of operation of the electric battery; determine at least a first vehicle parameter indicating the acceleration of the motor vehicle; determine the operative state of the internal combustion engine; determine an electric regulation voltage according to the operative engine station, to the vehicle parameter and to the battery parameters; vary an electric control current circulating in the inductive electric circuit of the alternato

Abstract: Automotive electrical system for a motor vehicle comprising an internal combustion engine of a motor vehicle; the electric vehicle system comprising a series of electric vehicle loads, an electric battery, and an alternator generating a supply voltage of the electric vehicle loads and of the electric battery; the alternator comprising an inductive electric circuit adapted to be crossed by an electric control current; the electric vehicle system comprises an alternator electronic control system configured so as to determine a series of battery parameters (pam_bat) indicating the state of operation of the electric battery; determine at least a first vehicle parameter indicating the acceleration of the motor vehicle; determine the operative state of the internal combustion engine; determine an electric regulation voltage according to the operative engine station, to the vehicle parameter and to the battery parameters; vary an electric control current circulating in the inductive electric circuit of the alternato

Abstract: A method is described for estimating the intake air flow rate in an internal combustion engine provided with an air intake system, wherein said system comprises valve means for controlling an intake air flow rate, characterized in that it comprises the phases of implementing a first and a second algorithm, suitable to determine respectively a first and a second engine intake air flow rate; and of selecting the first or the second flow rate, on the basis of a previously defined selection criterion.

Abstract: Described herein is a method for optimizing a plurality of calibration maps for an algorithm of estimation of a control quantity of an internal combustion engine, each of the maps comprising a plurality of calibration values of said control quantity estimated by said algorithm. The optimization method comprises measuring the control quantity, estimating the control quantity, and individually optimizing each calibration map based on the measured control quantity and the estimated control quantity.

Abstract: Described herein is a method for optimizing a plurality of calibration maps for an algorithm of estimation of a control quantity of an internal combustion engine, each of the maps comprising a plurality of calibration values of said control quantity estimated by said algorithm. The optimization method comprises measuring the control quantity, estimating the control quantity, and individually optimizing each calibration map based on the measured control quantity and the estimated control quantity.

Abstract: A method is described for estimating the intake air flow rate in an internal combustion engine provided with an air intake system, wherein said system comprises valve means for controlling an intake air flow rate, characterized in that it comprises the phases of implementing a first and a second algorithm, suitable to determine respectively a first and a second engine intake air flow rate; and of selecting the first or the second flow rate, on the basis of a previously defined selection criterion.