发明名称 Running control device for electric vehicle
摘要 A running control device for an electric vehicle includes: a first calculation unit that calculates a predetermined reference torque required for braking/driving the motor that provides a beneficial effect with regard to power consumption of the electric vehicle; a second calculation unit that calculates interval allocation between a first interval in which the electric vehicle is propelled by braking/driving the motor at the predetermined reference torque and a second interval in which the electric vehicle is coasted without the motor being braked or driven; a third calculation unit that calculates a control requested torque for braking/driving the motor intermittently, so as alternatingly to repeat running of the electric vehicle in the first intervals and coasting of the electric vehicle in the second intervals; and a running control unit that performs running control of the electric vehicle by braking/driving the motor intermittently according to the control requested torque.
申请公布号 US8744656(B2) 申请公布日期 2014.06.03
申请号 US201113296777 申请日期 2011.11.15
申请人 Hitachi, Ltd. 发明人 Sato Shinya;Tashiro Naoyuki;Maki Kentaro;Yokoyama Atsushi
分类号 B60L11/00 主分类号 B60L11/00
代理机构 代理人
主权项 1. A running control device for an electric vehicle, comprising: a first calculation unit that, based upon vehicle running parameters of the electric vehicle and a drive state, related to power running and regeneration, of a motor of the electric vehicle, calculates a predetermined reference torque required for braking/driving the motor that provides a beneficial effect with regard to power consumption of the electric vehicle; a second calculation unit that, based upon the vehicle running parameters, calculates a requested basic torque for continuously braking/driving the motor; a third calculation unit that acquires the requested basic torque calculated by the second calculation unit, acquires the predetermined reference torque calculated by the first calculation unit, calculates based upon the requested basic torque and the predetermined reference torque, a first interval in which the electric vehicle is propelled by braking/driving the motor at the predetermined reference torque and a second interval in which the electric vehicle is coasted without the motor being braked or driven and calculates interval allocation between the first interval and the second interval; a fourth calculation unit that calculates a control requested torque for braking/driving the motor intermittently based upon the predetermined reference torque and the interval allocation, so as alternatingly to repeat running of the electric vehicle in the first intervals and coasting of the electric vehicle in the second intervals; and a running control unit that performs running control of the electric vehicle by braking/driving the motor intermittently according to the control requested torque.
地址 Tokyo JP