Intelligent Herbicide Application System for Reduced Herbicide Vegetation Control Phase II – Commercialization

This report describes the development of a commercial prototype intelligent herbicide application system (IHAS). The improved design incorporates an add-on fluid handling system to allow existing variable-rate herbicide injection systems currently used on California Department of Transportation (Caltrans) herbicide spray vehicles to be retrofitted with IHAS technology, and a dual camera system for weed recognition under partially shaded lighting conditions. It is capable of targeting green plant material within a 3.66 m perpendicular distance to the direction of travel on either side of the herbicide spray vehicle for herbicide application. The basic principal of an IHAS is that a real-time machine vision system can detect live (green) plant material growing along the roadside, and when coupled to a rapid-response spray control system, will permit the Caltrans to selectively apply post-emergence herbicides exclusively to the unwanted plant material. Implementation will allow Caltrans to reduce the amount of resources required to maintain an effective weed control program while at the same time reducing the amount of chemicals unnecessarily released into the environment.

• Record URL:
  https://dot.ca.gov/-/media/dot-media/programs/research-innovation-system-information/documents/f0016962-08-0279-a11y.pdf
• Record URL:
  https://merritt.cdlib.org/api/presign-file/ark%253A%252F13030%252Fm5xm3344/2/producer%252FCA08-0279.pdf
• 
• Record URL:
  https://rosap.ntl.bts.gov/view/dot/27689
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/465468152
• Supplemental Notes:
  • Previously issued as UCD-ARR-06-06-30-10, June 2006.
• Corporate Authors:

  University of California, Davis

  Department of Biological and Agricultural Engineering
  One Shields Avenue
  Davis, CA  United States  95616

  University of California, Davis

  Advanced Highway Maintenance and Construction Technology Research Center
  Department of Mechanical and Aerospace Engineering
  Davis, CA  United States  95616-5294

  California Department of Transportation

  Division of Research and Innovation
  1227 O Street, MS-83
  Sacramento, CA  United States  94273-0001
• Authors:
  • Slaughter, D C
  • Giles, D K
  • Downey, D
  • Gillis, K
  • Zarghami, R
  • Staab, E
  • Vanucci, F
  • Shaffi, M
  • Gliever, C
  • Fontes, P
  • Schlottman, J
• Publication Date: 2008-12

Language

• English

Media Info

• Media Type: Print
• Features: Appendices; Figures; References; Tables;
• Pagination: 96p

Subject/Index Terms

• TRT Terms: Environmental protection; Herbicides; Maintenance equipment; Prototypes; Sprayers; Vegetation control
• Subject Areas: Environment; Highways; I15: Environment;

Filing Info

• Accession Number: 01158868
• Record Type: Publication
• Source Agency: UC Berkeley Transportation Library
• Report/Paper Numbers: CA08-0279, UCD-ARR-06-06-30-10
• Contract Numbers: 65A0049/65A0139
• Files: CALTRANS, BTRIS, NTL, TRIS, STATEDOT
• Created Date: Jun 14 2010 8:54AM