Invention Grant
- Patent Title: Electric vehicle
- Patent Title (中): 电动车
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Application No.: US14462170Application Date: 2014-08-18
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Publication No.: US09296291B2Publication Date: 2016-03-29
- Inventor: Takayoshi Ozaki
- Applicant: NTN CORPORATION
- Applicant Address: JP Osaka
- Assignee: NTN CORPORATION
- Current Assignee: NTN CORPORATION
- Current Assignee Address: JP Osaka
- Priority: JP2011-048630 20110307
- Main IPC: B60K7/00
- IPC: B60K7/00 ; B60L15/20 ; B60K17/04 ; B60L3/10

Abstract:
An electric vehicle having an in-wheel motor drive system including: a wheel bearing unit rotatably supporting a drive wheel; a motor unit; and a reducer unit interposed between the motor unit and the wheel bearing unit, a motor torque command value Tmr being calculated from: (i) an estimate ^Te of external force influence on the drive wheel, which is estimated from the motor torque command value Tmr and a rotational frequency ω1 of a driven wheel; and (ii) a correction value Tc which is calculated from a rotational frequency ω2 of the drive wheel, an accelerator signal Tr and the estimate ^Tc.
Public/Granted literature
- US20140354034A1 ELECTRIC VEHICLE Public/Granted day:2014-12-04
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