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    • 2. 发明申请
    • Voltage-sensitive oscillator frequency for rotor position detection scheme
    • 转子位置检测方案的压敏振荡器频率
    • US20070075660A1
    • 2007-04-05
    • US11363218
    • 2006-02-27
    • David MollerPhilip SchneiderSalvador Canales
    • David MollerPhilip SchneiderSalvador Canales
    • H02P7/06
    • H02P5/68H02P7/0094H02P7/29
    • A system and method is provided for improved monitoring and controlling of mechanically commutated DC motors. The system and method include DC motors, pulse-count driver circuitry for driving the motors, motor position sensing circuitry, and motor control circuitry. The system and method provide for improved motor current waveform sensing that is able to effectively reject false brake pulses, avoid erroneous processing due to fluctuating battery voltage levels, and reduce the sensitivity to variations in motor current signals due to dynamic motor load, manufacturing variation, system aging, temperature, brush bounce, EMI, and other factors. The system and method also include an improved ability to multiplex additional external motor drivers to the motor control circuitry, select between sequential and simultaneous drive modes using an SPI bit, and monitor the system controller for an error condition and simultaneously driver motors in response to the error condition.
    • 提供了一种用于改进机械换向直流电动机的监控和控制的系统和方法。 该系统和方法包括DC马达,用于驱动马达的脉冲计数驱动器电路,马达位置检测电路和马达控制电路。 该系统和方法提供了改进的电动机电流波形检测,能够有效地排除假制动脉冲,避免由于电池电压电平波动引起的错误处理,并且降低了由于动态电动机负载,制造变化导致的电动机电流信号变化的灵敏度, 系统老化,温度,刷反弹,EMI等因素。 该系统和方法还包括改进将额外的外部电动机驱动器复用到电动机控制电路的能力,在使用SPI位的顺序和同时驱动模式之间进行选择,并监视系统控制器的错误状况,同时响应于驱动器电机 错误条件
    • 3. 发明申请
    • Position detection and external driver multiplexing system for DC motors
    • 直流电机的位置检测和外部驱动器复用系统
    • US20070075656A1
    • 2007-04-05
    • US11362643
    • 2006-02-27
    • David MollerPhilip SchneiderOscar AlcantaraSalvador Canales
    • David MollerPhilip SchneiderOscar AlcantaraSalvador Canales
    • H02P5/46
    • H02P5/68H02P7/0094H02P7/29
    • A system and method is provided for improved monitoring and controlling of mechanically commutated DC motors. The system and method include DC motors, pulse-count driver circuitry for driving the motors, motor position sensing circuitry, and motor control circuitry. The system and method provide for improved motor current waveform sensing that is able to effectively reject false brake pulses, avoid erroneous processing due to fluctuating battery voltage levels, and reduce the sensitivity to variations in motor current signals due to dynamic motor load, manufacturing variation, system aging, temperature, brush bounce, EMI, and other factors. The system and method also include an improved ability to multiplex additional external motor drivers to the motor control circuitry, select between sequential and simultaneous drive modes using an SPI bit, and monitor the system controller for an error condition and simultaneously driver motors in response to the error condition.
    • 提供了一种用于改进机械换向直流电动机的监控和控制的系统和方法。 该系统和方法包括DC马达,用于驱动马达的脉冲计数驱动器电路,马达位置检测电路和马达控制电路。 该系统和方法提供了改进的电动机电流波形检测,能够有效地排除假制动脉冲,避免由于电池电压电平波动引起的错误处理,并且降低了由于动态电动机负载,制造变化导致的电动机电流信号变化的灵敏度, 系统老化,温度,刷反弹,EMI等因素。 该系统和方法还包括改进将额外的外部电动机驱动器复用到电动机控制电路的能力,在使用SPI位的顺序和同时驱动模式之间进行选择,并监视系统控制器的错误状况,同时响应于驱动器电机 错误条件
    • 4. 发明申请
    • Method of selectable simultaneous/sequential motor drive in a multiple drive circuit including failure detection
    • 包括故障检测在内的多驱动电路中可选择的同步/顺序电动机驱动方法
    • US20070075657A1
    • 2007-04-05
    • US11362665
    • 2006-02-27
    • David MollerPhilip SchneiderDennis Berryman
    • David MollerPhilip SchneiderDennis Berryman
    • H02P5/46
    • H02P5/68H02H7/0811H02P7/0094H02P7/04H02P7/29
    • A system and method is provided for improved monitoring and controlling of mechanically commutated DC motors. The system and method include DC motors, pulse-count driver circuitry for driving the motors, motor position sensing circuitry, and motor control circuitry. The system and method provide for improved motor current waveform sensing that is able to effectively reject false brake pulses, avoid erroneous processing due to fluctuating battery voltage levels, and reduce the sensitivity to variations in motor current signals due to dynamic motor load, manufacturing variation, system aging, temperature, brush bounce, EMI, and other factors. The system and method also include an improved ability to multiplex additional external motor drivers to the motor control circuitry, select between sequential and simultaneous drive modes using an SPI bit, and monitor the system controller for an error condition and simultaneously driver motors in response to the error condition.
    • 提供了一种用于改进机械换向直流电动机的监控和控制的系统和方法。 该系统和方法包括DC马达,用于驱动马达的脉冲计数驱动器电路,马达位置检测电路和马达控制电路。 该系统和方法提供了改进的电动机电流波形检测,能够有效地排除假制动脉冲,避免由于电池电压电平波动引起的错误处理,并且降低了由于动态电动机负载,制造变化导致的电动机电流信号变化的灵敏度, 系统老化,温度,刷反弹,EMI等因素。 该系统和方法还包括改进将额外的外部电动机驱动器复用到电动机控制电路的能力,在使用SPI位的顺序和同时驱动模式之间进行选择,并监视系统控制器的错误状况,同时响应于驱动器电机 错误条件