TORQUE CONTROL METHOD OF THE ALTERNATOR FOR VEHICLE

摘要

A method for controlling torque of an alternator for a vehicle according to an embodiment of the present invention comprises: a first step of measuring RPM by recognizing a frequency generated from a stator by a phase terminal and changing a duty cycle through a pulse width modulation method in response to a duty setting command by measuring a voltage generated from a rotor by a field duty terminal; a second step of transmitting the RPM and the duty cycle to a torque calculation unit; a third step of transmitting a torque value to a torque monitoring module after acquiring the torque value from a memory unit using the RPM and the duty cycle by the torque calculation unit; a fourth step of transmitting the torque value to an electronic control unit by the torque monitoring module; a fifth step of generating a duty control command for setting the torque value to an alternator and transmitting the duty control module to a voltage control module by the electronic control unit; and a sixth step of generating the duty setting command corresponding to the duty control command and transmitting the duty setting command to the field duty terminal by the voltage control module, wherein the torque values mapped per duty cycle and RPM are stored in the memory unit in advance.