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Method and apparatus for modular power management and protection of critical services in ambulatory medical devices

  • US 9,430,022 B2
  • Filed: 06/22/2012
  • Issued: 08/30/2016
  • Est. Priority Date: 06/23/2011
  • Status: Active Grant
First Claim
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1. A computer-implemented method for managing power consumption of a battery-operated device configured to provide a plurality of services, comprising, performing by a processor:

  • receiving a battery level of said device, at least one parameter of a user of the device, and the services being provided by the device, constructing time profiles encoding a probability of at least one of said battery level, user parameter, and services being provided having certain values at each of a number of time segments k;

    setting a fidelity policy u(k) for each time segment k, said fidelity policy defining a level of fidelity for each service, based on said time profiles and battery level;

    computing, based on said time profiles, an amount of time remaining before battery exhaustion under said battery level and a mode of operation having a predefine power consumption rate, and taking a predetermined action based on the computed amount of time remaining with respect to at least one preset threshold; and

    regulating access of said services to resources of said device for performing said services, in accordance with said predetermined action.

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