Computational load distribution in an environment having multiple sensing microsystems

Patent metadata

Field	Value
Publication number	US-9715239-B2
Application number	US-201414548131-A
Country	US
Kind code	B2
Filing date	Nov 19, 2014
Priority date	Sep 14, 2010
Publication date	Jul 25, 2017
Grant date	Jul 25, 2017

Abstract

Systems, methods, and related computer program products for using a distributed arrangement of wirelessly connected sensing microsystems are described. A plurality of wirelessly communicating sensing microsystems is provided, each sensing microsystem including a temperature sensor and a processor. The plurality of sensing microsystems is configured to jointly carry out at least one shared computational task. Each sensing microsystem may include a power management circuit configured to determine an amount of electrical power available for dedication to the at least one shared computational task or a heating effect generated in performing the shared computational task. The at least one shared computational task is apportioned among respective ones of the plurality of sensing microsystems according to the amount of electrical power determined to be available for dedication thereto at each respective sensing microsystem or the determined heating effect.

First claim

What is claimed:

1. A system for controlling a home environment, comprising:
a plurality of wirelessly communicating sensing microsystems, each wirelessly communicating sensing microsystem of the plurality of wireless communicating sensing microsystems comprising at least one sensor selected from the group consisting of:
a temperature sensor,
a motion sensor, and
a light sensor; wherein:
the plurality of wirelessly communicating sensing microsystems are configured to jointly carry out a shared computational task for controlling the home environment;
each wirelessly communicating sensing microsystem comprises a management circuit configured to perform at least one computation selected from the group consisting of:
computation of an amount of electrical power available for dedication to the shared computational task, and
computation of a heating effect due to heat generated in performing one or more data computations associated with the shared computational task; and

the shared computational task is apportioned among the plurality of wirelessly communicating sensing microsystems based on at least one computation selected from the group consisting of:
the amount of electrical power at each wirelessly communicating sensing microsystem of the plurality of wirelessly communicating sensing microsystems determined to be available for dedication to performing the shared computational task, and
the heating effect on each said wirelessly communicating sensing microsystem due to heat generated by said respective wirelessly communicating sensing microsystem in performing the one or more data computations associated with the shared computational task.

2. The system for controlling the home environment of claim 1 , wherein at least one wirelessly communicating sensing microsystem of the plurality of wirelessly communicating sensing microsystems comprises:
a thermostat coupled to a heating ventilation and air conditioning (HVAC) system, wherein controlling the home environment comprises controlling the HVAC system.

3. The system for controlling the home environment of claim 1 , wherein at least one of the wirelessly communicating sensing microsystems of the plurality of wirelessly communicating sensing microsystems is configured to:
perform intruder detection, wherein controlling the home environment comprises providing an intruder alert upon the detection of an intruder.

4. The system for controlling the home environment of claim 1 , wherein the plurality of wirelessly communicating sensing microsystems comprises:
a primary wirelessly communicating sensing microsystem, configured to apportion the shared computational task among the plurality of wirelessly communicating sensing microsystems; and
one or more servant wirelessly communicating sensing microsystems, each one or more servant wirelessly communicating sensing microsystems configured to perform a portion of the shared computational task assigned by the primary wirelessly communicating sensing microsystem.

5. The system for controlling the home environment of claim 4 , wherein the one or more servant wirelessly communicating sensing microsystems are configured to transmit a binary indication to the primary wirelessly communicating sensing microsystem, the binary indication indicating whether the servant wirelessly communicating sensing microsystems is available for processing a portion of the shared computational task.

6. The system for controlling the home environment of claim 1 , wherein the management circuit is configured to perform the computation of the amount of electrical power available for dedication to the shared computational task, and the computation of the amount of electrical power available for dedication to the shared computation task comprises:
determining a first amount of electrical power available to the wirelessly communicating sensing microsystem of the management circuit;
determining a second amount of electrical power required for one or more core operations of the wirelessly communicating sensing microsystem, wherein the one or more core operations comprise wireless communication operations; and
determining the amount of electrical power that can be dedicated to the shared computing task based on a difference between the first amount of electrical power and the second amount of electrical power.

7. The system for controlling the home environment of claim 1 , wherein a wirelessly communicating sensing microsystem of the plurality of wirelessly communicating sensing microsystems is configured to determine whether continuous line power is electrically connected with the wirelessly communicating sensing microsystem.

8. The system for controlling the home environment of claim 7 , wherein distribution of the shared computational task for controlling the home environment among the plurality of wirelessly communicating sensing microsystems is weighted based on the wirelessly communicating sensing microsystems of the plurality of wirelessly communicating sensing microsystems being electrically connected with the continuous line power.

9. The system for controlling the home environment of claim 7 , wherein the wirelessly communicating sensing microsystem of the plurality of wirelessly communicating sensing microsystems derives the continuous line power from a 24 V alternating current (AC) relay of an HVAC system.

10. A method for controlling a home environment, comprising:
determining, by each wirelessly communicating sensing microsystem of a plurality of wirelessly communicating sensing microsystems, an amount of electrical power of the wirelessly communicating sensing microsystem available for dedication to a shared computational task for controlling the home environment, wherein each wirelessly communicating sensing microsystem of the plurality of wireless communicating sensing microsystems comprising at least one sensor selected from the group consisting of:
a temperature sensor,
a motion sensor, and
a light sensor;

allocating, among the plurality of wireless communicating sensing microsystems, the shared computational task for controlling the home environment based on determining the amount of electrical power available for dedication to the shared computation task by each wirelessly communicating sensing microsystem of a plurality of wirelessly communicating sensing microsystems; and
computing, by one or more wirelessly communicating sensing microsystems of the plurality of wirelessly communicating sensing microsystems, the shared computational task, wherein each of the one or more wirelessly communicating sensing microsystems computes a portion of the shared computational task.

11. The method for controlling the home environment of claim 10 , further comprising:
controlling, by a wireless communicating sensing microsystem of the plurality of wireless communicating sensing microsystems, the home environment based on the computed shared computational task.

12. The method for controlling the home environment of claim 11 , wherein controlling the home environment comprises:
controlling, by the wireless communicating sensing microsystem, a heating ventilation and air conditioning (HVAC) system based on the computed shared computational task, wherein the wireless communicating sensing microsystem is a thermostat.

13. The method for controlling the home environment of claim 10 , further comprising:
performing, by a wireless communicating sensing microsystem of the plurality of wireless communicating sensing microsystem, intruder detection, wherein controlling the home environment comprises providing an intruder alert upon the detection of an intruder.

Assignees

• Google Inc

Inventors

• Fadell Anthony Michael
• Matsuoka Yoky
• Rogers Matthew
• Sloo David

Classifications

• H04W4/70

  Services for machine-to-machine communication [M2M] or machine type communication [MTC] · CPC title

• F24F2110/10

  Temperature · CPC title

• F24F11/39

  Monitoring filter performance · CPC title

• F24F11/47

  Responding to energy costs · CPC title

• G05B15/02

  electric · CPC title