Dynamic power management of electronic systems

4flamiCP0wer ~~asemeflr ~a desisnmethodology airnins at con!rollins pe@or- rnance and power lmek of disital circreiLcand ~stems, with the soul of eztendins Ihe metonomowoperation time of batte~-powered~stems, providing srac~lpefornmnce degradation when supply ener~is limited, and adaptins power dtiipation to sat~em,ironmental constraints.We survg ~stem-level dynarnicpower rnanasement techniques.We$nt analyze idlene~de:ectimr and shutdown mechanti for idle hardware resources and we review industtilsrandarh for operatins~~em-baedpower mnasement.We describe w~tem-l~elstOchastic madekfor thepowerlpefonnance behaviorof~stems. Uk an-al}ze different rrrodelins assumptforrsarrdwe ducu theirvalidi~andseneraliy.tit, we descn,be methohfor detenninins optirnumpmver manasementstratesies andafso describe Vuriou validation metho~that can be empbyed to assess the effecttieness of power-~flaseable architectures andtheuociatedpawer-manasementschews.