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    • 2. 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。
    • 3. 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。
    • 6. 发明授权
    • Sensor voltage reading circuit
    • 传感器电压读数电路
    • US5515048A
    • 1996-05-07
    • US122285
    • 1993-09-17
    • Satoshi HondaYoshihiro Nakazawa
    • Satoshi HondaYoshihiro Nakazawa
    • G01R19/257G06F3/05H02J1/00H03M1/08H03M1/12
    • H03M1/0827H03M1/12
    • A sensor voltage reading circuit for reading an analog sensor value is provided which can remove electromagnetic wave noise inputted to an input terminal of an A/D conversion circuit. The sensor voltage reading circuit includes a first voltage division circuit and a second voltage division circuit for dividing the output voltage of a potentiometer. An A/D conversion circuit has input terminals connected to the output terminals of the voltage division circuits and a processing unit for reading digital voltages obtained by conversion of the A/D conversion circuit. The processing unit removes from the converted voltages a noise voltage caused by radio waves which mix into the input terminals of the A/D conversion circuit. Accordingly, the reading accuracy of the output voltage of the sensor can be enhanced. In a further embodiment, the sensor voltage reading circuit can suppress power dissipation by the analog sensor to achieve miniaturization of the power source circuit.
    • 提供了用于读取模拟传感器值的传感器电压读取电路,其可以去除输入到A / D转换电路的输入端子的电磁波噪声。 传感器电压读取电路包括用于分压电位器的输出电压的第一分压电路和第二分压电路。 A / D转换电路具有连接到分压电路的输出端子的输入端子和用于读取通过A / D转换电路的转换而获得的数字电压的处理单元。 处理单元从转换的电压中去除由混合到A / D转换电路的输入端子的无线电波引起的噪声电压。 因此,能够提高传感器的输出电压的读取精度。 在另一实施例中,传感器电压读取电路可以抑制模拟传感器的功率消耗,以实现电源电路的小型化。