Hybrid electric vehicle and Entmagnetisierungskompensation for
2002
Hybrid electric vehicle, comprising - a first motor (30; 38), which is coupled to wheels (42) of the hybrid electric vehicle; - a second motor (38; 30) which is provided with wheels (42) of the hybrid electric vehicle is coupled; - a first, a voltage sensor (114) and a voltmeter (116) having voltage monitor (104; 102) to the first motor (30; 38) is coupled to induced a first, by permanent magnets (208) voltage of the first motor (30; 38) to determine said voltage sensor (114) has a sensor coil (210) for detecting the first through the permanent magnets (208) induced voltage generated by rotation of a rotor (200) of the permanent magnets (208) of the first motor (30; 38), induced; reflects if the; a controller (100) for the functions of comparing the first by the permanent magnets (208) induced voltage with a first reference voltage, the induced an expected, by the permanent magnets (208) voltage for the first motor - (38 30) permanent magnets (208) of the first motor (30; 38) are completely magnetized; Determining a state of magnetism of the permanent magnets (208) of the first motor (30; 38) on the basis of the first through the permanent magnets (208) induced voltage of the first reference voltage and a predetermined rotational speed, wherein the first by the permanent magnets (208) induced voltage is determined; Inoperable making the first motor (30; 38), when the state of magnetism of the first motor (30; 38) reaches a predetermined threshold value; and Driving the wheels (42) of the vehicle with the second motor (38; 30) after said first motor (30; 38) is rendered inoperative.
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