The Research on Adaptive Control Modeling of a Liquid Fertilizer Spreader

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DOI: 10.4236/eng.2010.22016   PDF   HTML     4,070 Downloads   7,801 Views   Citations

Abstract

This paper describes a general modeling and control approach for steering wheel variable rate liquid fertilizer applicator. An adaptive numerical modeling approach for describing the system input-output dynamics is proposed, and an optimal control that accounts for the control hardware limits is developed. Field tests have demonstrated the effectiveness of the theoretical development.

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Z. Yang, "The Research on Adaptive Control Modeling of a Liquid Fertilizer Spreader," Engineering, Vol. 2 No. 2, 2010, pp. 113-117. doi: 10.4236/eng.2010.22016.

Conflicts of Interest

The authors declare no conflicts of interest.

References

[1] A. Munack, E. Buning, H. Speckmann, “A high-perfor- mance control system for spreading liquid manure,” Control Engineering Practice, Vol. 9, pp. 387–391, 2001.
[2] H. Landry, C. Lague, and M. Roberge, “Physical and rheological properties of manure products,” Applied Engineering in Agriculture, Vol. 20, No. 3, pp. 277–288, 2004.
[3] H. Landry, E. Piron, J. M. Agnew, C. Lague, M. Roberge, “Performances of conveying systems for manure spreaders and effects of Hopper geometry on output flow,” Applied Engineering in Agriculture, Vol. 21, No. 2, pp. 159–166, 2005.
[4] F. L. Lewis, V. L. Syrmos, “Optimal control,” John Wiley and Sons, Inc., New York, 1995.

  
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