A new method for range estimation using simple infrared sensors

dc.contributor.authorYüzbaşıoǧlu, Çağrıen_US
dc.contributor.authorBarshan, Billuren_US
dc.coverage.spatialEdmonton, Alta., Canada
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionDate of Conference: 2-6 Aug. 2005
dc.descriptionConference name: 2005 IEEE/RSJ International Conference on Intelligent Robots and Systems
dc.description.abstractWe describe a new method for position estimation of planar surfaces using simple, low-cost infrared (IR) sensors. The intensity data acquired with IR sensors depends highly on the surface properties and the configuration of the sensors with respect to the surface. Therefore, in many related studies, either the properties of the surface are determined first or certain assumptions about the surface are made to estimate the distance and the orientation of the surface relative to the sensors. We propose a novel method for position estimation of surfaces with IR sensors without the need to determine the surface properties first. The method is considered to be independent of the type of surface encountered since it is based on searching the position of the maximum value of the intensity data rather than using absolute intensity values. The method is verified experimentally with planar surfaces of different surface properties. An intelligent feature of our system is that its operating range is made adaptive based on the maximum intensity of the detected signal. The absolute mean range error for the method resulting in the lowest errors is 0.15 cm over the range from 10 to 50 cm. The cases where the azimuth and elevation angles are nonzero are considered as well. The results obtained demonstrate that IR sensors can be used for localization to an unexpectedly high accuracy without prior knowledge of the surface characteristics. © 2005 IEEE.en_US
dc.source.title2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROSen_US
dc.subjectIR sensorsen_US
dc.subjectOptical sensingen_US
dc.subjectPhong illumination modelen_US
dc.subjectRange estimationen_US
dc.subjectSurface localizationen_US
dc.subjectInfrared detectorsen_US
dc.subjectIntelligent robotsen_US
dc.subjectRange findersen_US
dc.subjectSurface propertiesen_US
dc.titleA new method for range estimation using simple infrared sensorsen_US
dc.typeConference Paperen_US
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