Patent ID: 11950567
Assignee: SKY VIEW ENVIRONMENTAL SERVICE LLC
Field: Measurement (Instruments)
Classification: CPC A  G  H | IPC A  G  H

Claim 0:
1. A method of monitoring one or more birds that each has a receiver-located tag and/or a global positioning satellite (GPS) tag, the method comprising:
for each of the bird(s) having a receiver-located tag:
receiving, at at least one of a plurality of detection stations, a signal from the receiver-located tag, each of the detection stations comprising two or more directional antennas;
determining bird heading information and bird distance information, wherein:
the bird heading information includes, for each of the detection station(s) that receives the signal, a heading of the bird relative to the detection station, the heading determined based at least in part on a strength of the signal measured at each of the directional antennas of the detection station; and
the bird distance information includes, for each of the detection station(s) that receives the signal, a distance between the bird and the detection station, the distance based at least in part on a strength of the signal measured at at least one of the directional antennas of the detection station; and

estimating a position and trajectory of the bird, the position of the bird estimated based at least in part on the bird heading information and/or the bird distance information; and
calculating an amount of time for the bird to reach a boundary around a wind turbine (TTB) based at least in part on the estimated position and trajectory of the bird; and

for each of the bird(s) having a GPS tag:
receiving GPS data from the GPS tag when the bird crosses a geo-fence that surrounds the wind turbine;
estimating a position and trajectory of the bird, the position of the bird estimated based at least in part on the GPS data and a time elapsed between when the bird crossed the geo-fence and when the position of the bird is estimated; and
calculating the TTB based at least in part on the estimated position and trajectory of the bird;

wherein:
at least one of the bird(s) has a receiver-located tag and a GPS tag; and/or
the one or more birds comprise two or more birds, at least one of the birds having a receiver-located tag and at least one of the birds having a GPS tag.