A control method, apparatus and system

Abstract

The application discloses a control method, device and system. The control method comprises the following steps: acquiring power supply parameters of each functional module; wherein, the functional module is a functional module needing power-on in an electronic device; for each functional module, determining a capacitance requirement level based on the power supply parameters of the functional module; and based on the capacitance requirement level of each functional module, controlling a first capacitance in a capacitance pool to supply power to each functional module respectively; wherein, a plurality of capacitances are arranged in the capacitance pool.

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