SYSTEMS AND METHODS FOR VEHICLE POSITION CALIBRATION USING RACK LEG IDENTIFICATION

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200026304A1
SERIAL NO

16513876

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A materials handling vehicle includes a camera, an odometry module to generate odometry data, a processor, and a drive mechanism. The camera captures images of an identifier for a racking system aisle and at least a rack leg portion positioned in the aisle. The processor uses the identifier to generate information indicative of an initial rack leg position and rack leg spacing in the aisle, generate an initial vehicle position using the initial rack leg position, generate a vehicle odometry-based position in the aisle using odometry data and the initial vehicle position, detect a subsequent rack leg using a captured image, correlate the detected subsequent rack leg with an expected vehicle position using rack leg spacing, generate an odometry error signal based on a difference between the expected vehicle position and the vehicle odometry-based position, and update the vehicle odometry-based position using the odometry error signal.

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Patent Owner(s)

  • CROWN EQUIPMENT CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lee, Grace Da-In Christchurch, NZ 1 0
Thode, Justin Forbes Auckland, NZ 4 2

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