Passive bioinspired sensor
A chemical-detecting apparatus includes an array of sensors. Each sensor of the array of sensors is oriented skyward in operation. Each sensor includes a chemical receiver including a plurality of infrared color vision filters cooperating to detect a plurality of infrared color vision signatures. The plurality of infrared color vision signatures respectively correspond to a plurality of chemicals. Each sensor includes a transmitter configured to transmit a detected chemical identifier, based on a detected infrared color vision signature of the plurality of infrared color vision signatures and corresponding to a detected chemical of the plurality of chemicals, to at least one neighboring sensor of the array of sensors. The transmitter is configured to transmit a detected chemical confirmation from the neighboring sensor to a first-identifying sensor of the array of sensors and is configured to transmit a confirmed chemical alarm, based on the detected chemical confirmation, from the first-identifying sensor.
1 . An apparatus comprising:
an array of sensors, each sensor of said array of sensors being oriented skyward in operation,
wherein said each sensor comprises:
a chemical receiver comprising a plurality of infrared color vision filters cooperating to detect a plurality of infrared color vision signatures, said plurality of infrared color vision signatures respectively corresponding to a plurality of chemicals, said chemical receiver comprising an ambient reference chemical filter, said ambient reference chemical filter generating an ambient reference concentration level, and
a transmitter configured to transmit:
a detected chemical identifier, based on a detected infrared color vision signature of said plurality of infrared color vision signatures and corresponding to a detected chemical of the plurality of chemicals, to at least one neighboring sensor of said array of sensors,
a detected chemical confirmation from said neighboring sensor to a first-identifying sensor of said array of sensors, and
a confirmed chemical alarm, based on the detected chemical confirmation, from said first-identifying sensor,
wherein said chemical receiver comprises a detection chip communicating with said plurality of infrared color vision filters and said ambient reference chemical filter,
wherein said plurality of infrared color vision filters is configured to produce a detected chemical signature from the detected infrared color vision signature,
wherein said detection chip is configured to generate a comparative concentration reading based on the detected chemical intensity and the ambient reference concentration level.
2 . The apparatus according to claim 1 , further comprising:
a base station configured to communicate with said array of sensors,
wherein said transmitter is configured to transmit the detected chemical identifier and the confirmed chemical alarm to said base station.
3 . The apparatus according to claim 1 , wherein said each sensor further comprises:
a communications receiver configured to receive the detected chemical identifier from said first-identifying sensor.
4 . The apparatus according to claim 1 , wherein the detected chemical comprises at least one of a plume edge and a plume-traveling direction,
wherein said base station is configured to estimate at least one of the plume edge and the plume-traveling direction from said array of sensors.
5 . The apparatus according to claim 1 , wherein said chemical receiver comprises at least one of:
a filter wheel holding said plurality of infrared color vision filters; and
a filter slide holding said plurality of infrared color vision filters.
6 . The apparatus according to claim 5 , wherein
said detection chip being configured to transmit a concentration level alarm based in part on the comparative concentration reading,
wherein said communications receiver is further configured to receive the concentration level alarm from said detection chip and said transmitter is further configured to transmit the concentration level alarm to said base station.
7 . The apparatus according to claim 6 , wherein said detection chip comprises at least one excess chemical concentration level,
wherein said detection chip is configured to compare the comparative concentration reading to the at least one excess chemical concentration level and the ambient reference concentration level,
wherein said detection chip is configured to communicate to said transmitter the concentration level alarm, depending on whether the comparative concentration reading exceeds one of the at least one excess chemical concentration level and the ambient reference concentration level.
8 . The apparatus according to claim 6 , wherein the ambient reference concentration level comprises an ambient CO2 concentration level.