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    • 3. 发明授权
    • Braking control system for an electric vehicle
    • 电动汽车制动控制系统
    • US5644202A
    • 1997-07-01
    • US592601
    • 1996-01-26
    • Masayuki ToriyamaKenji TamakiSatoshi HondaShoji MotodateYoshihiro NakazawaTakaaki FujiiShigemi Sasaki
    • Masayuki ToriyamaKenji TamakiSatoshi HondaShoji MotodateYoshihiro NakazawaTakaaki FujiiShigemi Sasaki
    • B60L3/00B60L7/10B60L11/18H02K7/10
    • B60L3/0023B60L11/1805B60L7/10Y02T10/7005
    • A regenerative braking control system consumes energy generated in a period corresponding to an angle .theta..sub.1 which starts in a half of a period of an AC voltage produced in a drive motor during the braking of the drive motor. The regenerative braking control system also consumes energy generated in a period corresponding to an angle .theta..sub.2 that ends at the end of a half of a period of the AC voltage. The regenerative rate of braking control system utilizes a current induced in the driving coils of the drive motor at the end of the period corresponding to the angle .theta..sub.1 to recharge a battery. By utilizing two periods to carry out the regenerative braking process, the recharging energy and the braking force can be controlled individually. Moreover, a controller monitors the electric control system to determine whether a malfunction is present. If a malfunction is detected, an electrical brake electrically brakes the drive motor. This electrical braking after the detection of a malfunction in the electrical system provides satisfactory controllability of the electric vehicle.
    • 再生制动控制系统消耗在对应于在驱动电动机的制动期间在驱动电动机中产生的AC电压的一半周期内开始的角度θ1的周期内产生的能量。 再生制动控制系统还消耗在对应于在交流电压的周期的一半的结束时结束的角度θ2的周期内产生的能量。 制动控制系统的再生速率利用在对应于角度θ1的期间结束时在驱动电动机的驱动线圈中感应的电流对电池再充电。 通过利用两个周期来执行再生制动过程,可以单独控制再充电能量和制动力。 此外,控制器监视电控系统以确定是否存在故障。 如果检测到故障,则电气制动器电驱动驱动电机。 在电气系统中的故障检测之后的这种电气制动提供了电动车辆的令人满意的可控性。
    • 7. 发明授权
    • Braking control system for an electric vehicle
    • 电动汽车制动控制系统
    • US5384522A
    • 1995-01-24
    • US866339
    • 1992-04-09
    • Masayuki ToriyamaKenji TamakiSatoshi HondaShoji MotodateYoshihiro NakazawaTakaaki FujiiShigemi Sasaki
    • Masayuki ToriyamaKenji TamakiSatoshi HondaShoji MotodateYoshihiro NakazawaTakaaki FujiiShigemi Sasaki
    • B60L3/00B60L7/10B60L11/18H02P3/00
    • B60L3/0023B60L11/1805B60L7/10Y02T10/7005
    • A regenerative braking control system consumes energy generated in a period corresponding to an angle .theta..sub.1 which starts in a half of a period of an AC voltage produced in a drive motor during the braking of the drive motor. The regenerative braking control system also consumes energy generated in a period corresponding to an angle .theta..sub.2 that ends at the end of a half of a period of the AC voltage. The regenerative rate of braking control system utilizes a current induced in the driving coils of the drive motor at the end of the period corresponding to the angle .theta..sub.1 to recharge a battery. By utilizing two periods to carry out the regenerative braking process, the recharging energy and the braking force can be controlled individually. Moreover, a controller monitors the electric control system to determine whether a malfunction is present. If a malfunction is detected, an electrical brake electrically brakes the drive motor. This electrical braking after the detection of a malfunction in the electrical system provides satisfactory controllability of the electric vehicle.
    • 再生制动控制系统消耗在对应于在驱动电动机的制动期间在驱动电动机中产生的AC电压的一半周期内开始的角度θ1的周期内产生的能量。 再生制动控制系统还消耗在对应于在交流电压的周期的一半的结束时结束的角度θ2的周期内产生的能量。 制动控制系统的再生速率利用在对应于角度θ1的期间结束时在驱动电动机的驱动线圈中感应的电流对电池再充电。 通过利用两个周期来执行再生制动过程,可以单独控制再充电能量和制动力。 此外,控制器监视电控系统以确定是否存在故障。 如果检测到故障,则电气制动器电驱动驱动电机。 在电气系统中的故障检测之后的这种电气制动提供了电动车辆的令人满意的可控性。
    • 10. 发明授权
    • Power unit for motor vehicles
    • 汽车动力装置
    • US5406154A
    • 1995-04-11
    • US939702
    • 1992-09-02
    • Kenji KawaguchiShoji MotodateMasayuki ToriyamaSatoshi HondaTakaaki FujiiToshiyuki Cho
    • Kenji KawaguchiShoji MotodateMasayuki ToriyamaSatoshi HondaTakaaki FujiiToshiyuki Cho
    • B60L7/10B60L11/18H02K11/04H02K29/08H02P6/08H02P6/16H02K11/00B62D61/02H02K5/18H02K7/14
    • B62K23/04B60L11/1807B60L7/10B62K23/02B62K25/283B62M7/12H02K11/33H02K29/08H02P6/08H02P6/16B62K2202/00B62K2204/00Y02T10/641Y02T10/642Y02T10/7005
    • A regenerative braking system in a motor vehicle determines a state of deceleration on the basis of the number of revolutions of a motor and an accelerator signal and performs a regenerative braking according to the state of deceleration. The regenerative braking system includes a revolution sensor for detecting;the number of revolutions of a rotor of a vehicle driving motor and an accelerator opening sensor in a RAM stores discrimination data for discriminating between a regenerative braking mode and a drive mode on the basis of the number of revolutions of the rotor and the accelerator opening and also stores on-off duty ratio data of FETs in the regenerative braking mode and that in the drive mode. A CPU retrieves on-off duty ratio data corresponding to the number of revolutions of the rotor and the accelerator opening in the regenerative braking mode when the regenerative braking mode is determined on the basis of the rotor revolutions and the accelerator opening, and controls the FETs at an on-off duty ratio corresponding to the retrieved on-off duty ratio data. The power unit for the motor vehicle is an electric motor mounted in unit cases using at least a portion of the unit cases as a motor case. In the power unit of such construction, a heat sink is attached to the motor case. Switching elements are provided for controlling an electric current to be supplied to the electric motor. The switching elements are mounted to the heat sink.
    • 机动车辆中的再生制动系统基于电动机的转数和加速器信号来决定减速状态,并根据减速状态进行再生制动。 再生制动系统包括用于检测的旋转传感器,车辆驱动电机的转子的转数和RAM中的加速器开度传感器存储用于基于再生制动模式和驱动模式来区分再生制动模式和驱动模式的判别数据 转子的转数和加速器开度,并且还存储再生制动模式中的FET的导通截止占空比数据和驱动模式中的开关占空比数据。 当基于转子转速和加速器开度确定再生制动模式时,CPU检索与再生制动模式中转子的转数和加速器开度相对应的开 - 关占空比数据,并且控制FET 对应于所检索的开 - 关占空比数据的开 - 关占空比。 用于机动车辆的动力单元是使用至少一部分单元壳体作为电动机壳体的单元壳体中安装的电动马达。 在这种结构的动力单元中,散热器附接到电动机壳体上。 提供开关元件用于控制要供给电动机的电流。 开关元件安装在散热器上。