System for prediction and communication of environmentally induced power useage limitation

• US 8,103,388 B2
• Filed: 01/29/2009
• Issued: 01/24/2012
• Est. Priority Date: 01/29/2009
• Status: Expired due to Fees

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Goodnow, Kenneth J., Shuma, Stephen G., Twombly, Peter A.
• Primary Examiner(s): Chaki, Kakali
• Assistant Examiner(s): SIVANESAN, SIVALINGAM
• Application Number:
  US12/361,699
• Publication Number:
  US 20100191385A1
• Time in Patent Office: 1,090 Days
• Field of Search: 700/286, 700/291, 700/293, 307/52, 713/300, 713/320
• US Class Current: 700/291
• CPC Class Codes: G06F 1/305 in the event of power-supply fluctuations
• CPC Class Codes: G06F 1/3203 Power management, i.e. event-based initiation of a power-saving mode
• CPC Class Codes: G06F 1/3287 by switching off individual functional units in the computer system
• CPC Class Codes: G06F 1/329 by task scheduling
• CPC Class Codes: Y02D 10/00 Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

Disclosed are a power management system and associated method that not only initiate a “greenout” to avoid the negative impact of high loads (i.e., to avoid high power cost, negative environmental impact, brownouts, and ultimately blackouts), but can also predict the initiation of such a “greenout”. Predicting the initiation of a “greenout” and communicating the prediction to one or more of the various electronic devices connected to the power grid allows the electronic device(s) to take preparatory action to avoid and/or limit any negative impact that may be caused by the “greenout”.

Claims

1. A power management system comprising:

a plurality of electronic devices;

a power grid supplying power to said electronic devices;

a processor receiving data from at least one data source and further analyzing said data in order to generate a prediction as to an occurrence, at a future time, of a set of at least one condition that will trigger a voluntary reduction in overall power consumption by said electronic devices in accordance with a predetermined voluntary reduction in power consumption scheme; and

a communication network between said processor and said electronic devices, said processor communicating said prediction to at least one electronic device over said communication network and, upon receiving said prediction, said at least one electronic device taking at least one predetermined preparatory action in accordance with a predetermined preparatory action scheme so as to avoid a negative impact of said voluntary reduction in power consumption, said processor further receiving from said at least one electronic device a notification as to a status of compliance with said predetermined preparatory action scheme and one of overriding and altering said predetermined voluntary reduction in power consumption scheme, based on said status, to ensure completion of a user-specified high priority task.

2. The system of claim 1,

said system further comprising a power grid controller in communication with said processor over said communication network,

said processor further analyzing said data to detect said occurrence of said set of at least one condition and communicating said occurrence of said set of at least one condition to said controller,

said controller further automatically limiting power supplied to said at least electronic device over said power grid in response to said occurrence in accordance with said predetermined voluntary reduction in power consumption scheme;

and

said predetermined voluntary reduction in power consumption scheme prioritizing said electronic devices and, based on electronic device priority, identifying any electronic device to be exempt from said voluntary reduction in overall power consumption, any electronic device that shall have limited power usage during said voluntary reduction in overall power consumption and any electronic device that shall have no power usage during said voluntary reduction in overall power consumption.

3. The system of claim 1, said predetermined preparatory action comprising any of the following:

automatically backing up data in currently running applications on said electronic device to ensure that said data is not lost during said voluntary reduction in overall power consumption;

automatically rearranging task schedules on said electronic device to ensure that critical tasks are performed by said electronic device prior to said voluntary reduction in power consumption; and

automatically adjusting temperature control systems for said electronic device to ensure that a predetermined ambient temperature is achieved prior to said voluntary reduction in overall power.

4. The system of claim 1, said processor further analyzing said data to detect said occurrence of said set of at least one condition and automatically communicating said occurrence of said set of at least one condition to said at least one electronic device so that said at least one electronic device can automatically limit power usage, in accordance with said predetermined voluntary reduction in power consumption scheme.

5. The system of claim 1, said prediction further comprising a time until said occurrence of said set of at least one condition and an estimated duration of said set of at least one condition, said predetermined preparatory action varying depending on at least one of said time and said estimated duration.

6. The system of claim 1,

said at least one data source comprising monitors, forecasters and a historical database,

said monitors monitoring at least current temperatures across said power grid and load on said power grid,

said forecasters forecasting at least future temperatures across said power grid and future loads on said power grid, and

said historical database indicating at least power grid reliability as a function of temperature and load.

7. A power management system comprising:

a plurality of electronic devices;

a power grid supplying power to said electronic devices;

a processor receiving data from at least one data source and further analyzing said data in order to generate a prediction as to an occurrence, at a future time, of a set of at least one condition that will trigger a particular severity level of voluntary reduction in overall power consumption by said electronic devices in accordance with a predetermined voluntary reduction in power consumption scheme that associates different severity levels with different triggering conditions; and

a communication network between said processor and said electronic devices, said processor selecting at least one electronic device, depending upon said particular severity level, and communicating said prediction to said at least one electronic device over said communication network and, upon receiving said prediction, said at least one electronic device taking at least one predetermined preparatory action in accordance with a predetermined preparatory action scheme so as to avoid a negative impact of said voluntary reduction in power consumption, said processor further receiving from said at least one electronic device a notification as to a status of compliance with said predetermined preparatory action scheme and one of overriding and altering said predetermined voluntary reduction in power consumption scheme, based on said status, to ensure completion of a user-specified high priority task.

8. The system of claim 7,

said system further comprising a power grid controller in communication with said processor over said communication network,

said processor further analyzing said data to detect said occurrence of said set of at least one condition and communicating said occurrence of said set of at least one condition to said controller,

said controller further automatically limiting power supplied to said at least electronic device over said power grid in response to said occurrence in accordance with said predetermined voluntary reduction in power consumption scheme, and depending on said particular severity level,

said predetermined voluntary reduction in power consumption scheme prioritizing said electronic devices and, based on electronic device priority, identifying any electronic device to be exempt from said voluntary reduction in overall power consumption, any electronic device that shall have limited power usage during said voluntary reduction in overall power consumption and any electronic device that shall have no power usage during said voluntary reduction in overall power consumption.

9. The system of claim 7, said predetermined preparatory action comprising any of the following:

automatically backing up data in currently running applications on said electronic device to ensure that said data is not lost during said voluntary reduction in overall power consumption;

automatically rearranging task schedules on said electronic device to ensure that critical tasks are performed by said electronic device prior to said voluntary reduction in overall power consumption; and

automatically adjusting temperature control systems for said electronic device to ensure that a predetermined ambient temperature is achieved prior to said voluntary reduction in overall power.

10. The system of claim 7, said processor further analyzing said data to detect said occurrence of said set of at least one condition and automatically communicating said occurrence of said set of at least one condition to said at least one electronic device so that said at least one electronic device can automatically limit power usage, in accordance with said predetermined voluntary reduction in power consumption scheme, and depending on said particular severity level.

11. The system of claim 7, said prediction further comprising a time until said occurrence of said set of at least one condition and an estimated duration of said set of at least one condition, said predetermined preparatory action varying depending on at least one of said time and said estimated duration.

12. The system of claim 7, said at least one data source comprising monitors, forecasters and a historical database,

said monitors monitoring at least current temperatures across said power grid and load on said power grid,

said forecasters forecasting at least future temperatures across said power grid and future loads on said power grid,

said historical database indicating at least power grid reliability as a function of temperature and load, and

said analysis being performed using an adapted prediction scheme.

13. A power management method comprising:

receiving data from at least one data source regarding a power grid that supplies power to a plurality of electronic devices;

analyzing said data in order to generate a prediction as to an occurrence, at a future time, of a set of at least one condition that will trigger a voluntary reduction in overall power consumption by said electronic devices in accordance with a predetermined voluntary reduction in power consumption scheme;

communicating said prediction to at least one electronic device;

taking, by said at least one electronic device upon receiving said prediction, at least one predetermined preparatory action in accordance with a predetermined preparatory action scheme so as to avoid a negative impact of said voluntary reduction in power consumption; and

receiving a notification from said at least one electronic device as to a status of compliance with said predetermined preparatory action scheme and one of overriding and altering a voluntary reduction in power consumption scheme, based on said status, to ensure completion of a user-specified high priority task.

14. The method of claim 13, further comprising further analyzing said data to detect said occurrence of said set of at least one condition and communicating said occurrence of said set of at least one condition to a power grid controller so that said controller can automatically limit power supply to said at least electronic device in accordance with said predetermined voluntary reduction in power consumption scheme.

15. The method of claim 13, further comprising further analyzing said data to detect said occurrence of said set of at least one condition and communicating said occurrence of said set of at least one condition to said at least one electronic device so that said at least one electronic device can automatically limit power usage in accordance with said predetermined voluntary reduction in power consumption scheme.

16. The method of claim 13, said predetermined voluntary reduction in power consumption scheme prioritizing said electronic devices and, based on electronic device priority, identifying any electronic device to be exempt from said voluntary reduction in overall power consumption, any electronic device that shall have limited power usage during said voluntary reduction in overall power consumption and any electronic device that shall have no power usage during said voluntary reduction in overall power consumption.

17. The method of claim 13, said prediction further comprising a time until said occurrence of said set of at least one condition and an estimated duration of said set of at least one condition, said predetermined preparatory action varying depending on said time and on said estimated duration.

18. The method of claim 13, said predetermined preparatory action comprising any of the following:

automatically backing up data in currently running applications on said electronic device to ensure that said data is not lost during said voluntary reduction in overall power consumption;

automatically rearranging task schedules on said electronic device to ensure that critical tasks are performed by said electronic device prior to said voluntary reduction in power consumption; and

automatically adjusting temperature control systems for said electronic device to ensure that a predetermined ambient temperature is achieved prior to said voluntary reduction in overall power.

19. The method of claim 13, said at least one data source comprising monitors, forecasters and a historical database,

said monitors monitoring at least current temperatures across said power grid and load on said power grid,

said forecasters forecasting at least future temperatures across said power grid and future loads on said power grid, and

said historical database indicating at least power grid reliability as a function of temperature and load.

20. The method of claim 13, said prediction further indicating a particular severity level of said voluntary reduction in overall power consumption and selection of said at least one electronic device to which said prediction is communicated and said predetermined preparatory action varying depending upon said particular severity level.

21. A computer program product for power management, said computer program product comprising a computer usable medium having computer usable program code embodied therewith, said computer usable program code being configured to perform a method, said method comprising:

receiving data from at least one data source regarding a power grid that supplies power to a plurality of electronic devices;

analyzing said data in order to generate a prediction as to an occurrence, at a future time, of a set of at least one condition that will trigger a voluntary reduction in overall power consumption by said electronic devices in accordance with a predetermined voluntary reduction in power consumption scheme; and

communicating said prediction to at least one electronic device so as to allow said at least one electronic device to take at least one predetermined preparatory action in response to said prediction and in accordance with a predetermined preparatory action scheme so as to avoid a negative impact of said voluntary reduction in power consumption; and

receiving a notification from said at least one electronic device as to a status of compliance with said predetermined preparatory action scheme and one of overriding and altering said predetermined voluntary reduction in power consumption scheme, based on said status, to ensure completion of user-specified high priority tasks.