Development of a novel mechatronic system for mechanical weed ...

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References Bakker, T., Asselt, C. v., Bontsema, J., Müller, J. and Straten, G. v. 2006. Autonomous navigation with a weeding robot. In: Rothmund, M. Automation Technology for Off-road equipment. pp.51-57 Baldor Electric Company. 2007. Servo Control Facts: A Handbook Explaining the Basics of Motion. p.24 Barton, G. 2001. Sir Albert Howard and the forestry roots of the organic farming movement. Agric. History 75. pp.168-187 Bond, W., Turner, R. J. and Grundy, A. C. 2003. A review of non-chemical weed management. Report prepared as part of Defra project OF0315. p.81 Beveridge, L.E. and Naylor, R.E.L. 1999. Options for organic weed control - what farmers do. In: Proceedings of the 1999 Brighton Conference - Weeds. 15- 18 November 1999. British Crop Protection Council, Surrey. pp.939-944 Bontsema, J., Asselt, C. v., Lempens, P. W. J. and Straten, G. v. 1998. Intra- row weed control: A mechatronic aproach. In: (Sigrimis, N. and Groumpos, P.) Proceedings Control Applications and Ergonomics in Agriculture. pp.93-97 Buhler, D. D., Hartzler, R. G. and Forcella, F. 1997. Implications of weed seedbank dynamics to weed management. Weed Science 45. pp.329-336 Buhler, D. D. 1995. Influence of tillage systems on weed population dynamics and management in corn and soybean in the central USA. Crop Science 35 (5), pp.1247-1258 Buick, R. 2007. RTK base station networks driving adoption of GPS +/- 1 inch automated steering among crop growers. Trimble: white paper. Available at: http://www.trimble.com/. p.9 Clausen, S., Nicolas, S. and Kirkhus, T. 2000. Automatic weed mapping in cereal fields using image processing techniques. In: Proceedings of the NOBIM- 2000, Norwegian Image Processing and Pattern Recognition Conference. Clark, S., Klonsky, K., Livingston, P. and Temple, S. 1999. Crop-yield and economic comparisons of organic, low-input, and conventional farming systems 128
References in California's Sacramento Valley. American Journal of Alternative Agriculture. 14(3). pp.109-121 Dedousis, A. P., Godwin, R. J., O'Dogherty, M. J., Tillett, N. D. and Grundy, A. C. 2007. Inter and intra-row mechanical weed control with rotating discs. In: (Stafford, J. V.) Precision Agriculture '07. Wageningen Academic Publishers. Wageningen, NL. pp.493-498 Dedousis, A. P., O'Dogherty, M. J., Godwin, R. J., Tillett, N. D. and Brighton, J. L. 2006. A novel approach to precision mechanical weed control with a rotating disc for inter and intra-row weed hoeing. In: Proceedings of the 17th Triennial Conference of the International Soil Tillage Research Organisation. DRAFT EXPLANATORY MEMORANDUM. 2002. Suggested text for a Directive on measures for reduction of use and impacts on health and environment from pesticides. Available at http://ec.europa.eu/. Accessed June 25, 2007 ECO-DAN A/S. 2007. Local Positioning System. Booklet. p.2 El-Faki, M. S., Zhang, N. and Peterson, D. E. 2000, Weed Detection Using Color Machine Vision. Transactions of the ASAE 43. pp.1969-1978 EUREAU. 2001. Position paper EU1-01-56: Keeping raw drinking water resources safe from pesticides. Available at: http://www.eeb.org. Accessed June 25, 2007 EUROSTAT. 2006. Europe in figures - Eurostat yearbook 2006-07. Available at: http://ec.europa.eu/eurostat. Accessed June 25, 2007 EUROSTAT. 2007. Organic area accounted for 4% of the total utilised agricultural area in the EU25 in 2005. Eurostat News Release 2007 [80]. p.2 Fogelberg, F. 2001. Research on pest control and pesticide reduction in Sweden, Denmark and the Netherlands - ongoing work and new ideas for the future. Swedish University of Agricultural Sciences. p.29 129
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Institut für Landtechnik der Rhein
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Development of a novel mechatronic
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Kurzfassung Entwicklung eines neuar
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Acknowledgements Acknowledgements M
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Table of contents Table of contents
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Glossary of abbreviations and symbo
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Symbol Unit Description Mmmax Nm Ma
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Symbol Unit Description Glossary of
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ωold ωout rad s -2 Latest rotatio
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Introduction The most frequently us
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Introduction application that had p
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Introduction be to go from a system
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Introduction limited and environmen
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Introduction than 40 years before g
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Introduction techniques. It is know
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Introduction Sowing and planting al
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Introduction Inter-row weeding syst
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Introduction 18 Figure 1.3 Inter-ro
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State of the art 20 Figure 2.1 a) F
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State of the art cylinder rotates a
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State of the art 1998). This device
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State of the art 26 2.2 Detection o
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State of the art The fluorescence s
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Definition of the problem and resea
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4 Materials and methods 4.1 Detecti
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Materials and methods Figure 4.1 a)
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Materials and methods Figure 4.3 a)
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4.1.2 Data acquisition 4.1.2.1 Hard
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4.1.4 Test objects Materials and me
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Materials and methods become a poss
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Materials and methods environments
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Materials and methods dimensions ne
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Materials and methods (PFM). As the
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Materials and methods A command sig
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Materials and methods The drive con
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Materials and methods Another tool
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Results and discussion 58 Figure 5.
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Results and discussion objects. Acc
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Results and discussion Plant positi
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Results and discussion Plant positi
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Results and discussion 70 5.1.4 Dis
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Results and discussion Connection b
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Results and discussion 76 5.2.1 Opt
Page 96 and 97: Results and discussion xmi1 = ( RLA
Page 98 and 99: Results and discussion With the inv
Page 100 and 101: Results and discussion 82 Horizonta
Page 102 and 103: Results and discussion 84 5.2.4 Sel
Page 104 and 105: Results and discussion 86 5.2.5 Dis
Page 106 and 107: Results and discussion Conventional
Page 108 and 109: Results and discussion Since the fi
Page 110 and 111: Results and discussion To avoid con
Page 112 and 113: Results and discussion As the size
Page 114 and 115: Results and discussion 96 5.3.4 Alg
Page 116 and 117: Results and discussion 98 V = zc( t
Page 118 and 119: Results and discussion corresponds
Page 120 and 121: Results and discussion 102 5.3.6 Me
Page 122 and 123: Results and discussion hoeing accur
Page 124 and 125: Results and discussion between the
Page 126 and 127: Results and discussion distance fro
Page 128 and 129: Results and discussion Distribution
Page 130 and 131: Results and discussion cuts are ran
Page 132 and 133: Results and discussion Forward spee
Page 134 and 135: Results and discussion x [mm] Distr
Page 136 and 137: Results and discussion The experime
Page 139 and 140: 6 Summary Summary Neither a mechani
Page 141 and 142: Summary The third part of the work
Page 143 and 144: 7 Conclusions Conclusions The prese
Page 145: 8 References References Agrios, G.
Page 149 and 150: References Johnson, W C and Mullini
Page 151 and 152: References Schans, D. v. d. et al.
Page 153 and 154: List of figures List of figures Fig
Page 155 and 156: List of figures Figure 5.24 Scheme
Page 157 and 158: Plant position 9 Appendix Table 9.1
Page 159 and 160: Plant position Table 9.3 Detection
Page 169: Personal data Education About the a
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