Power consumption control method and information processing...

Details Power consumption control method and information processing... Power consumption control method and information processing...

2007-02-13

2007-02-13

Elamin, A. (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

C713S320000, C713S322000, C713S323000, C455S127100, C455S127500, C455S343500, C700S297000

Reexamination Certificate

active

10405724

ABSTRACT:
A controller reads a current value from a current sensor at regular intervals and calculates the average power consumption (Pavg) for a specified length of time (T). When the average power consumption (Pavg) exceeds an upper value (Pu) of power consumption, the controller performs throttling control of a CPU at a throttling rate of r %. If, nevertheless, the average power consumption (Pavg) is above the upper value (Pu), the controller sequentially increases the throttling rate in steps of r %. When the average power consumption (Pavg) is reduced below a lower value (Pl) as a result of the throttling control, the controller sequentially decreases the throttling rate in steps of r % until the upper value (Pu) is reached.

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