Electric automobile torque vector control method based on hub motor temperature management
The invention provides an electric vehicle torque vector control method based on hub motor temperature management, which comprises the following steps: S1, acquiring the current real-time temperature of each hub motor, and calculating the allowable output maximum power of each hub motor; s2, accordi...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides an electric vehicle torque vector control method based on hub motor temperature management, which comprises the following steps: S1, acquiring the current real-time temperature of each hub motor, and calculating the allowable output maximum power of each hub motor; s2, according to the obtained output power, calculating output torque corresponding to a front shaft and a rear shaft; s3, calculating distribution torque of left and right wheels of a front axle and distribution torque of left and right wheels of a rear axle according to vehicle driving conditions; s4, calculating a left wheel power-assisted steering distribution torque and a right wheel power-assisted steering distribution torque; and S5, calculating the output torque of each wheel according to the distribution torque of each wheel calculated in the steps S2, S3 and S4 and the steering condition of current vehicle driving. According to the invention, better high-speed driving stability is obtained while the steering perform |
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