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    • 2. 发明申请
    • ELECTRONIC MOTOR VEHICLE CONTROL SYSTEM WITH CURRENT MEASURING CIRCUIT
    • 具有电流测量电路的电动马达控制系统
    • US20110057644A1
    • 2011-03-10
    • US12934350
    • 2009-03-25
    • Peter OehlerFrank MichelMicha HeinzAxel Schmitz
    • Peter OehlerFrank MichelMicha HeinzAxel Schmitz
    • G01R19/00
    • B60T8/36G01R19/0092H03K5/084H03M3/43H03M3/456
    • The invention relates to an electronic motor vehicle control system having at least one valve actuating circuit which controls a load current by means of pulse width modulation. The actuating circuit has at least one electronic current measuring circuit which has at least one measurement path with at least one analog/digital converter. The analog/digital converts an analog measurement signal of the load current into a digital measurement signal of the load current and is actuated or designed in such a way as to carry out a plurality of current measurements per PWM period. The at least one measurement path of the current measurement circuit has a signal conservation circuit which provides the analog measurement signal of the load current substantially unchanged, and independent of the actual load current, for at least a defined hold time (toff->on, ton->off).
    • 本发明涉及一种电子机动车辆控制系统,其具有通过脉冲宽度调制来控制负载电流的至少一个阀门致动电路。 致动电路具有至少一个电子电流测量电路,其具有至少一个具有至少一个模拟/数字转换器的测量路径。 模拟/数字将负载电流的模拟测量信号转换为负载电流的数字测量信号,并且以每PWM周期执行多个电流测量的方式被致动或设计。 电流测量电路的至少一个测量路径具有信号守恒电路,其至少在定义的保持时间(toff-> on)上提供负载电流的模拟测量信号,其基本上不变,并且与实际负载电流无关, ton-> off)。