Leveraging air/water current variability for sensor network verification and source localization
First Claim
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1. A method for measuring pollution comprising:
- providing a plurality of analyte sensors arranged in a grid over a sensing area, wherein the analyte sensors measure a pollutant relative to a background analyte reading;
positioning at least one current sensor in the sensing area for measuring wind current, water current or a combination thereof, wherein changes in current are measured with the current sensor;
validating operation of at least one of said analyte sensors in said grid with said at least one current sensor, wherein when said current sensor measures a current rate above a background current rate said at least one of said analyte sensors in said corresponding to said current sensor measuring said current rate above the background current can not sense accurate pollutant measurements; and
localizing a pollution source using a pollution source locator including a dispersion model and at least one hardware processor to interpolate a location of a pollution source from variations in current measured from the current sensors and measurements of pollutants from the analyte sensors from sites on the grid that are above the background analyte reading.
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Abstract
A method for measuring pollution that includes providing a plurality of analyte sensors arranged in a grid over a sensing area, wherein the analyte sensors measure a pollutant, and positioning at least one current sensor in the sensing area. A pollution source is localized using a pollution source locator including a dispersion model and at least one hardware processor to interpolate a location of a pollution source from variations in current measured from the current sensors and measurements of pollutants from the analyte sensors.
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Citations
20 Claims
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1. A method for measuring pollution comprising:
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providing a plurality of analyte sensors arranged in a grid over a sensing area, wherein the analyte sensors measure a pollutant relative to a background analyte reading; positioning at least one current sensor in the sensing area for measuring wind current, water current or a combination thereof, wherein changes in current are measured with the current sensor; validating operation of at least one of said analyte sensors in said grid with said at least one current sensor, wherein when said current sensor measures a current rate above a background current rate said at least one of said analyte sensors in said corresponding to said current sensor measuring said current rate above the background current can not sense accurate pollutant measurements; and localizing a pollution source using a pollution source locator including a dispersion model and at least one hardware processor to interpolate a location of a pollution source from variations in current measured from the current sensors and measurements of pollutants from the analyte sensors from sites on the grid that are above the background analyte reading. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system for determining the source of a pollutant comprising:
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a receiver for receiving measurements of current variations from a current sensor positioned in a sensing area for measuring wind current, water current or a combination thereof, and for receiving pollutant measurements from a plurality of analyte sensors positioned on a grid of the sensing area; a sensor validator that determines using current measurements form the current sensor whether the analyst sensors are functioning, wherein said sensor validator validates analyte sensor operation when said current sensor measures a current rate above a background current rate so that the analyte sensor can not sense pollutant measurements, wherein said validating analyte sensor operation includes monitoring whether said analyte sensors are operating at a uniform background reading; and a pollution source locator including a dispersion model and at least one hardware processor to interpolate a location of a pollution source from variations in current measured from the current sensors and measurements of pollutants from the analyte sensors from sites on the grid that are above a background reading. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A non-transitory computer readable storage medium is provided that includes a computer readable program for determining a source of air pollution, the computer readable program when executed on a computer causes the computer to perform the steps of:
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receiving measurements of current variations from a current sensor positioned in a sensing area for measuring wind current, water current or a combination thereof; receiving pollutant measurements from a plurality of analyst sensors positioned on a grid of the sensing area; determining at current values above a background current value that do not allow for accurate measurement of pollutants by the analyte sensors, the current values above said background current value received from the current sensors whether the analyte sensors are calibrated, wherein calibrated analyte sensors read a uniform background reading at said current values above said background current value; and localizing a pollution source with a pollution source locator including a dispersion model and at least one hardware processor to interpolate a location of a pollution source from variations in current measured from the current sensors and measurements of pollutants from the analyte sensors from sites on the grid. - View Dependent Claims (20)
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Specification