Sensing and Control for Real-Time Machine Vision-Based Selective Herbicide Application Under Outdoor Field Conditions
Steward, Brian Lynn
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https://hdl.handle.net/2142/86098
Description
Title
Sensing and Control for Real-Time Machine Vision-Based Selective Herbicide Application Under Outdoor Field Conditions
Author(s)
Steward, Brian Lynn
Issue Date
1999
Doctoral Committee Chair(s)
Lei Tian
Department of Study
Agricultural Engineering
Discipline
Agricultural Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Applied Mechanics
Language
eng
Abstract
"A controller was developed based on the concept of system events being controlled based on the distance traveled by sprayer vehicle a way of directing the herbicide onto the weeds when they are sensed by the sensing system. A design methodology for this ""real-distance"" control was developed and the system was tested under controlled outdoor field conditions. It exhibited a 91 percent hit accuracy with no evidence of significant difference across travel velocity levels."
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