Nissan Motor Company Limited

Renault S.a.s.

Ampere S.a.s.

Mohamad Koteich

Abdelmalek Maloum

Najib Rouhana

Nadim Sakr

A method for generating a current set point value for a charging device connected to an electrical network includes measuring at least one electrical voltage, calculating a filtered voltage according to the measured voltage and a value of electrical pulsation of the electrical network, estimating a frequency and the amplitude of the measured voltage according to the at least one measured voltage and the at least one filtered voltage, calculating a consolidated voltage according to the measured voltage and the filtered voltage, and generating a current set point value according to the consolidated voltage and the estimated amplitude.

Method for controlling a Vienna rectifier

The disclosure relates to a method for controlling a synchronous three-phase electrical machine having a stator and a rotor. The method may include measuring currents of the first and second phases of the stator. The method may include measuring an angular position of the rotor. The method may include calculating the currents measured in a rotor reference frame. The method may include measuring the rotor current. The method may include calculating an automatic control error. The method may include calculating control voltages for the electrical machine. The method may further include applying the control voltages to said electrical machine. According to the disclosed method, the control voltages are calculated in the rotor reference frame in a recursive manner and as a function of a command update period value, a DC voltage value, and the angular electrical speed of the rotor.

Method for controlling a synchronous electrical machine

A method estimating position and speed of a rotor of an alternating current machine for a motor vehicle. The method: determines stator currents in a three-phase reference frame and values of stator voltages of the machine in the three-phase reference frame; determines components of the stator currents in a two-phase reference frame depending on the stator currents in the three-phase reference frame by Concordia transformation; determines components of the stator voltages in the two-phase reference frame depending on the stator voltages in the three-phase reference frame by Concordia transformation; iteratively determines rotor speed depending on the stator voltages in the two-phase reference frame and adjustment parameters; determines stator fluxes of the machine in the two-phase reference frame depending on the rotor speed and rejection parameters; and determines rotor position depending on the stator fluxes in the two-phase reference frame, the stator currents in the two-phase reference frame, and equivalent inductance.

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Bures sur Yvette, France

Mohamad Koteich