Unmanned guided vehicle system

John F. Gilmore; Harold Forbes; Kevin Payne; Khalid J. Elibiary

doi:10.1117/12.212746

30 June 1995 Unmanned guided vehicle system

John F. Gilmore, Harold Forbes, Kevin Payne, Khalid J. Elibiary

Proceedings Volume 2463, Synthetic Vision for Vehicle Guidance and Control; (1995) https://doi.org/10.1117/12.212746
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

Unmanned guided vehicles (UGV) require the ability to visually understand the objects contained within their operating environments in order to locally guide vehicles along a globally determined route. Several large scale programs have been funded over the past decade that have created multimillion dollar prototype vehicles incapable of functioning outside of their initial test track environment. This paper describes the Unmanned Guided Vehicle System (UGVS) developed for the US Army Missile Command for operation in natural terrain. The goal of UGVS is to develop a real-time system adaptive to a range of terrain environments (e.g. roads, open fields, wooded clearings, forest areas) and seasonal conditions (e.g., fall, winter, summer, spring). UGVS consists of two primary processing activities. First, the UGVS vision system is tasked with determining the location of gravel roads in video imagery, detecting obstacles in the vehicles path, identifying distant road spurs, and assigning a classification confidence to each image component. Second, the guidance and navigation system computes the global route the vehicle should pursue, utilizes image classification results to determine obstructions in the local vehicle path, computes navigation commands to drive the vehicle around hazardous obstacles, correlates visual road spur cues with global route digital maps, and provides the navigation commands to move the vehicle forward. Results of UGVS working in a variety terrain environments are presented to reinforce system concepts.

Citation Download Citation

John F. Gilmore, Harold Forbes, Kevin Payne, and Khalid J. Elibiary "Unmanned guided vehicle system", Proc. SPIE 2463, Synthetic Vision for Vehicle Guidance and Control, (30 June 1995); https://doi.org/10.1117/12.212746

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