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    • 4. 发明授权
    • Fuzzy control process for switching power supplies, and device for
performing it
    • 用于开关电源的模糊控制过程和用于执行它的设备
    • US5696439A
    • 1997-12-09
    • US497726
    • 1995-06-30
    • Matteo Lo PrestiGiuseppe D'AngeloAntonino Cucuccio
    • Matteo Lo PrestiGiuseppe D'AngeloAntonino Cucuccio
    • G05F1/10G05B13/02G06N5/04H02M3/155H02M3/156G05F1/40
    • G06N5/048G05B13/0275H02M3/156
    • A process for the fuzzy control of switching power supplies which have at least one inductor and at least one switching device, and a device for performing this control, the particularity whereof resides in the fact that it comprises the following steps: measuring the value of the current on the inductor; measuring the value of the input voltage of the switching power supply; measuring an error generated between a reference voltage and an output voltage of the power supply; defining fuzzy membership functions for the value of the current on the inductor, for the input voltage value, and for the error; defining an output membership function for the value of the duty cycle of the power supply; defining multiple fuzzy inference rules to which the measured values and the membership functions are applied calculating the corresponding weight functions of the membership functions; defuzzifying the results obtained by means of the weight function calculation and the application of fuzzy rules so as to obtain a real value of the duty cycle which is suitable to drive the switching device.
    • 一种用于开关电源的模糊控制的过程,其具有至少一个电感器和至少一个开关装置,以及用于执行该控制的装置,其特征在于其包括以下步骤:测量 电感上的电流; 测量开关电源的输入电压值; 测量在电源的参考电压和输出电压之间产生的误差; 为电感器上的电流值,输入电压值和误差定义模糊隶属函数; 为电源的占空比值定义输出隶属函数; 定义应用测量值和隶属函数的多个模糊推理规则计算隶属函数的相应权重函数; 模糊化通过权重函数计算获得的结果和模糊规则的应用,以获得适合于驱动交换设备的占空比的实际值。