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    • 8. 发明授权
    • Method for operating a heating element in a motor vehicle by pulse width modulation
    • 用于通过脉宽调制操作机动车辆中的加热元件的方法
    • US08269145B2
    • 2012-09-18
    • US12881672
    • 2010-09-14
    • Martin BlancAndreas Bleil
    • Martin BlancAndreas Bleil
    • B60L1/02G06F19/00
    • F02P19/022F02D2041/2027F02D2041/2051F02D2041/2058F02D2200/503
    • The invention relates to a method for operating a heating element in a motor vehicle by pulse width modulation, wherein fluctuations in the supply voltage are compensated for by adapting the duty cycle so as to achieve a desired heating output. According to the invention, during a voltage pulse the voltage that is present at the heating element and/or the current flowing through the heating element are measured at specified intervals, and the measured values or values determined therefrom are added to calculate a sum value, which rises with the energy that is fed into the heating element by the voltage pulse, and the voltage pulse is ended at the latest when the sum value has reached a target value. The invention furthermore relates to a glow plug controller for carrying out the method according to the invention.
    • 本发明涉及一种通过脉宽调制来操作机动车辆中的加热元件的方法,其中通过调节占空比来补偿供电电压的波动,从而达到期望的加热输出。 根据本发明,在电压脉冲期间,以特定间隔测量存在于加热元件处的电压和/或流过加热元件的电流,并且将由其确定的测量值或值相加以计算和值, 其随着通过电压脉冲馈送到加热元件的能量而上升,并且当和值达到目标值时,电压脉冲最终结束。 本发明还涉及一种用于实施根据本发明的方法的电热塞控制器。