System and method for dynamic loop compensation for voltage...

Details System and method for dynamic loop compensation for voltage... System and method for dynamic loop compensation for voltage...

2007-11-01

2011-11-08

Cao, Chun (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

C713S340000

Reexamination Certificate

active

08055916

ABSTRACT:
A voltage regulator provides power to an information handling system component under management by a controller, such as a Buck circuit managed by a PID controller according to PID coefficient settings. An update module interfaced with the voltage regulator monitors operating conditions of the voltage regulator to update the coefficients used by the controller. For example, changes in the load applied to the voltage regulator and an inductance associated with the voltage regulator are used to periodically compute updated PID coefficients, which are then used by the controller to control the voltage regulator.

REFERENCES:
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patent: 6366070 (2002-04-01), Cooke et al.
patent: 7042200 (2006-05-01), Chen et al.
patent: 7239257 (2007-07-01), Alexander et al.
patent: 2004/0246754 (2004-12-01), Chapuis
patent: 2006/0220625 (2006-10-01), Chapuis
patent: 2008/0010474 (2008-01-01), Chapuis

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