Automatic stop and restart device for an engine

    公开(公告)号:JP3614035B2

    公开(公告)日:2005-01-26

    申请号:JP13103999

    申请日:1999-05-12

    CPC classification number: Y02T10/6286 Y02T10/7077

    Abstract: PROBLEM TO BE SOLVED: To increase the number of engine revolutions to a target one so as to prevent a stall by setting a regenerative torque limiter limiting regenerative torque of a motor generator, whose number of revolutions is controlled when an accelerator is turned on at an engine restart time. SOLUTION: When a brake pedal is released or an accelerator pedal is actuated while an engine is in an automatic stop condition, an engine restart mode is entered, and in this process, electric current is fed to a motor generator 2 so as to drive it via a power control unit 12 according to a target start torque from an start control unit 10. After the elapse of a predetermined delay time accompanied by increase of an intake negative pressure, fuel injection is started. Immediately after the start, shorter the elapse of time after engine start is the larger the value of regenerative torque limiter is set for absorbing engine torque equivalent to massive excessive air when an engine stop time is longer and, and the engine can be assured of smooth start up.

    左右モータ駆動車輪の駆動力制御装置
    87.
    发明专利
    左右モータ駆動車輪の駆動力制御装置 审中-公开
    左,右马达驱动车轮的驱动力控制装置

    公开(公告)号:JPWO2014162830A1

    公开(公告)日:2017-02-16

    申请号:JP2015509970

    申请日:2014-03-11

    Abstract: S21で目標加速度αを求め、S22で、α実現用のモータトルク指令値tTmを求め、S23で、tTmがモータ定格トルクを超えないよう制限して加速トルク指令値tTm_Limと定める。S24で、目標ヨーレートtφを検索し、S25で、tφを実現するヨーモーメントMyを演算する。S26で、Myを生じさせる左右輪モータトルク差ΔtTmを演算し、S27で、左右輪の加速トルク指令値tTm_Limをトルク差ΔtTmの半値(ΔtTm/2)だけ加減算して、過渡ヨーレート制御用モータトルク指令値tTm_Yを求める。S28でtTm_Yが、制御応答の高いほどモータ定格トルクよりも大きく定めた過渡ヨーレート制御時モータトルク許容上限値Tm_Lim_Yを超えることのないよう制限して、モータの駆動制御に資する。

    Abstract translation: S21获得目标加速度α,在S22中,获得用于α的电动机转矩指令值TTM实现,在S23中,TTM被定义为加速度转矩指令值tTm_Lim限制以便不超过电动机的额定转矩。 在S24,它搜索目标横摆率Tifai,在S25中,计算横摆力矩我实现Tifai。 在S26中,它计算导致我,在S27中,通过将转矩差的一半ΔtTm(ΔtTm/ 2)时,电机扭矩瞬时横摆率控制中减去加速度转矩指令值tTm_Lim的左轮和右轮的左,右车轮马达转矩差DerutatTm 确定命令值tTm_Y。 tTm_Y在S28是限制不超过电动机转矩容许上限值Tm_Lim_Y在过渡横摆率控制,其限定比电动机额定转矩更高的控制响应越大,有助于电动机的驱动控制。

    Alarm sound generating device for a vehicle

    公开(公告)号:JP5560902B2

    公开(公告)日:2014-07-30

    申请号:JP2010118519

    申请日:2010-05-24

    CPC classification number: B60Q5/008 B60W10/06 B60W20/00

    Abstract: A vehicle warning sound emitting apparatus comprises a warning sound emitting component (2) and a controller (1). The warning sound emitting component (2) is configured to selectively emit a warning sound that is audible outside of the vehicle (3). The controller (11) is configured to control the warning sound emitting component (2) to emit the warning sound to convey vehicle information to a person in a surrounding area outside the vehicle (3) while a prescribed warning sound emission condition is satisfied. The controller (11) is further configured to change an operating state of an engine (4) of the vehicle (3) such that an engine sound emitted by the engine (4) while the warning sound emission is satisfied is louder than the engine sound that is emitted by the engine (4) when the warning sound emission condition is not satisfied.

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