Drive for electric vehicle and control method of the same
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United States of America Patent
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-
Aug 22, 2000
Grant Date -
N/A
app pub date -
Jan 27, 1997
filing date -
Jan 26, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drive for an electric vehicle includes by forming a drive unit 8 having a transmission by combining a single propelling motor 7 with the transmission, respectively interconnecting the drive unit 8 with propelling wheels to be a drive wheel, and separately controlling the drive units 8. Besides, traveling speed detecting means are provided on the respective drive units 8, 8, and the respective drive units are simultaneously controlled according to a revolution signal from one of the traveling speed detecting means. A method for controlling an electric vehicle by separately controlling the drive units 8, 8, making the output torque of the motor zero or minimum during the gear change, and producing again the output torque of the motor after completing the gear change.
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