Invention Grant
US07658248B2 Hybrid vehicle and driving resistance measurement method of hybrid vehicle
有权
混合动力汽车的混合动力车辆和驾驶阻力测量方法
- Patent Title: Hybrid vehicle and driving resistance measurement method of hybrid vehicle
- Patent Title (中): 混合动力汽车的混合动力车辆和驾驶阻力测量方法
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Application No.: US11628238Application Date: 2005-06-10
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Publication No.: US07658248B2Publication Date: 2010-02-09
- Inventor: Yasuhiro Kaya , Junji Tokieda
- Applicant: Yasuhiro Kaya , Junji Tokieda
- Applicant Address: JP Toyota-shi
- Assignee: Toyota Jidosha Kabushiki Kaisha
- Current Assignee: Toyota Jidosha Kabushiki Kaisha
- Current Assignee Address: JP Toyota-shi
- Agency: Kenyon & Kenyon LLP
- Priority: JP2004-199229 20040706; JP2005-037536 20050215
- International Application: PCT/JP2005/011177 WO 20050610
- International Announcement: WO2006/003801 WO 20060112
- Main IPC: B60W10/00
- IPC: B60W10/00

Abstract:
In response to a coasting drive instruction for measurement of a driving resistance of a hybrid vehicle, the coasting control procedure of the invention prohibits a change of a gear position in a transmission and stops both an engine and a motor MG1. The coasting control procedure calculates a canceling torque, which cancels out a torque applied to a ring gear shaft or a drive shaft via a power distribution integration mechanism by generation of an inertia torque accompanied with a rotation speed change of the motor MG1. The calculated canceling torque is set to a torque command Tm2* of a motor MG2, and the motor MG2 is driven and controlled with the torque command Tm2*. This arrangement makes the ring gear shaft or the drive shaft completely free and enables accurate measurement of the driving resistance of the hybrid vehicle during such a coasting drive of the hybrid vehicle in a fully non-driving state.
Public/Granted literature
- US20080029323A1 Hybrid Vehicle and Driving Resistance Measurement of Hybrid Vehicle Public/Granted day:2008-02-07
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