Patent ID: 8475328

Claim:
A micro-hybrid system for a transport vehicle, comprising: a rotary electrical machine ( 10 ) suitable for being coupled mechanically to an engine ( 5 ) of said vehicle; an AC-to-DC converter ( 11 ); a DC-to-DC converter ( 13 ); first ( 12 ) and second ( 2 ) electrical energy reservoirs for storing electrical energy produced by said rotary electrical machine ( 10 ) and for returning said electrical energy for use by consumer devices equipping said vehicle; and control means ( 14 ) for controlling an operation of said micro-hybrid system; said control means ( 14 ) comprising piloting means ( 140 ) suitable for autonomously piloting operating modes (ALTERNATOR, REGEN, BOOST) of said micro-hybrid system according to a plurality of piloting strategies depending on information provided to said piloting means regarding an internal state of said micro-hybrid system and of a state of said vehicle; said piloting means ( 140 ) further suitable for piloting, in a slave mode, said operating modes (ALTERNATOR, REGEN, BOOST) in accordance with instructions contained in external demands originating from a system of said vehicle; said operating modes comprising the following modes: at least one alternator mode (ALTERNATOR; modes 1 , 1 a , 2 , 2 a , mixed); at least one regenerative braking mode (REGEN; REGENT 1 , REGEN 2 ); and at least one torque assist mode (BOOST; BOOST 1 , BOOST 2 , BOOST_CONS).