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公开(公告)号：US20210221215A1
公开(公告)日：2021-07-22
申请号：US17116161
申请日：2020-12-09
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hiroki IGUMA , Tomohito ONO , Hiroto HASHIMOTO , Daisuke SHIRAI
Abstract: A powertrain system includes an internal combustion engine, a motor generator and a control device. The motor generator includes a rotating shaft connected to a crankshaft of the internal combustion engine via a torsional damper. The powertrain system is configured such that the crankshaft and the above-described rotating shaft are not connected to a drive shaft of a vehicle at least at the time of engine start. The control device is configured to execute a cranking torque amplification control that controls the motor generator such that the MG torque output from the motor generator for cranking the internal combustion engine fluctuates in a resonant period of the torsional damper while making a fluctuation center of the MG torque higher than zero.
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公开(公告)号：US20200164855A1
公开(公告)日：2020-05-28
申请号：US16578464
申请日：2019-09-23
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hiroto HASHIMOTO , Terufumi MIYAZAKI , Tomohito ONO , Yosuke SUZUKI , Daisuke SHIRAI
Abstract: If the destination has not been input, it is judged whether the present location is on the expressway (step S32). If the judgement result of the step S32 is positive, it is judged whether or not the actual SOC is less than or equal to the threshold TH2 (step S34). If the judgement result of the step S34 is positive, the restoring control is executed (step S36). Subsequent to the step S34 or S36, it is judged whether or not the vehicle has reached the scheduled exit (step S38). If the judgement result of the step S38 is positive, it is judged whether or not the actual SOC is greater than or equal to the SOC_T2 (step S42). If the judgement result of the step S42 is positive, the maintaining control is executed (step S44).
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