COMPUTER READABLE MEDIUM AND METHOD OF IMPROVING RAS CHARACTERISTICS RELATING TO CALIBRATION ALGORITHMS IN AN AUTOMATED ROBOTIC SYSTEM
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Abstract
An automated data library system employs a calibration sensor, the fiducial target and a controller in electrical communication with the calibration sensor to create a calibration sensor pixel image of a calibration area surrounding an expected location of the fiducial target within the automated data storage library by executing one or more vertical calibration sensor scans and/or one or more horizontal calibration sensor scans of the calibration area, and monitoring an output of the calibration sensor scans at defined position intervals. The expected location of the fiducial target can be on a data storage drive of the library or a storage shelf of the library. The controller can execute a debugging procedure, a diagnostic test and/or an error recovery procedure based on the calibration sensor pixel image.
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Citations
26 Claims
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1-20. -20. (canceled)
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21. A computer readable medium having code executed by a processor to calibrate an accessor and perform operations, the operation comprising:
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receiving a sensing signal outputted by an output device responsive to emitted energy and a detected reflection from a calibration sensor, wherein the calibration sensor is operable to emit the energy and detect reflection of the emitted energy; and constructing a pixel map based on the output sensing signal, the pixel map based on the detection of reflection of the emitted energy wherein the sensing signal is in a digital form as an indication of a non-reflective condition in response to the calibration sensor emitting energy without detecting a reflection of the emitted energy and as an indication of a reflective condition in response to the calibration sensor emitting energy and detecting a reflection of the emitted energy.
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22. A computer readable medium having code executed by a processor to calibrate an accessor and perform operations, the operation comprising:
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receiving a sensing signal outputted by an output device responsive to emitted energy and a detected reflection from a calibration sensor, wherein the calibration sensor is operable to emit the energy and detect reflection of the emitted energy; and constructing a pixel map based on the output sensing signal, the pixel map based on the detection of reflection of the emitted energy wherein the pixel map includes a reflective calibration area surrounding an expected location of a fiducial target, and wherein the fiducial target includes a reflectivity characteristic different than a reflectivity characteristic of a data storage device, such that the pixel map exhibits a target representation of a fiducial target at a center position of the calibration area such that each pixel of the pixel map has a defined position based on a fixed vertical interval and a fixed horizontal interval between the pixels, such that a solid dot pixel is associated with the sensing signal indicating a detected reflection is represented by a solid dot and a blank space pixel is associated with the sensing signal indicating an undetected reflection. - View Dependent Claims (23)
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24. A method for calibrating an accessor, comprising:
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receiving a sensing signal outputted by an output device responsive to emitted energy and a detected reflection from a calibration sensor, wherein the calibration sensor is operable to emit the energy and detect reflection of the emitted energy; and constructing a pixel map based on the output sensing signal, the pixel map based on the detection of reflection of the emitted energy wherein the sensing signal is in a digital form as an indication of a non-reflective condition in response to the calibration sensor emitting energy without detecting a reflection of the emitted energy and as an indication of a reflective condition in response to the calibration sensor emitting energy and detecting a reflection of the emitted energy.
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25. A method for calibrating an accessor, comprising:
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receiving a sensing signal outputted by an output device responsive to emitted energy and a detected reflection from a calibration sensor, wherein the calibration sensor is operable to emit the energy and detect reflection of the emitted energy; and constructing a pixel map based on the output sensing signal, the pixel map based on the detection of reflection of the emitted energy wherein the pixel map includes a reflective calibration area surrounding an expected location of a fiducial target, and wherein the fiducial target includes a reflectivity characteristic different than a reflectivity characteristic of a data storage device, such that the pixel map exhibits a target representation of a fiducial target at a center position of the calibration area such that each pixel of the pixel map has a defined position based on a fixed vertical interval and a fixed horizontal interval between the pixels, such that a solid dot pixel is associated with the sensing signal indicating a detected reflection is represented by a solid dot and a blank space pixel is associated with the sensing signal indicating an undetected reflection. - View Dependent Claims (26)
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Specification