 Professor Office: 314 OFC Phone: (865) 974-4942 Email: pdayers@utk.edu |
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Recent selected publications Li, Q., P. D. Ayers, and A. Anderson. 2008. Modeling of terrain impact caused by tracked vehicles. Journal of Terramechanics 44(4): 395-410. Shoop, S., B. Coutermarsh, P. D. Ayers, A. Anderson, and R. Affleck. 2008. Tire force and terrain disturbance measurements during turning maneuvers. Transactions of the ASABE 51(6): 1869-1878. Wu, C., P. D. Ayers, and A. Anderson. 2008. Quantifying the intensity of vehicle impacts using vehicle tracking devices during live training exercises. Journal of Terramechanics 45(1):1-11. Anderson, A. B., P. D. Ayers, H. Howard, and K. D. Newlin. 2007. Vehicle impacts on vegetation cover at Camp Atterbury, Indiana: Part 1. Initial impacts and vegetation recovery. Proceedings of the Indiana Academy of Sciences (116):126-138. Anderson, A. B., P. D. Ayers, P. Sullivan, and W. R. Ochsner. 2007. Vehicle impacts on vegetation cover at Camp Atterbury, Indiana: Part 1. Predicting impacts of untested vehicles. Proceedings of the Indiana Academy of Sciences (116):139-147. Comer, R. S., P. D. Ayers, and J. Liu. 2007. Evaluation of engineering plastic for rollover protective structures (ROPS) mounting. Journal of Agricultural Safety and Health 13(2): 137-145. Li, Q., P. D. Ayers, and A. B. Anderson. 2007. Effects of Speed and Turning Radius on Terrain Impact Severity of Off-road Vehicles. Applied Engineering in Agriculture 23(6): 701-706. Li, Q., P. D. Ayers, and A. B. Anderson. 2007. Prediction of Impacts of Wheeled Vehicles on Terrain. Journal of Terramechanics 44(2): 205-215. Wang, X., P. D. Ayers, A. R. Womac, and D. Depauw. 2007. Sensitivity analysis and validation of continuous roll prediction model for front drive mowers. Applied Engineering in Agriculture 23(4): 455-461. Wu, C., P. D. Ayers, and A. Anderson. 2007. GIS and Neural Network method for potential road identification. Transactions of the ASABE 50(4): 1455-1463. Wu, C., P. D. Ayers, and A. Anderson. 2007. Validating a GIS-based multi-criteria method for Potential Road Identification. Journal of Terramechanics 44(3): 255-263. Ayers, P. D., H. Howard, A. Anderson, and Q. Li. 2006. Evaluation of low impact military tires. Tire Science and Technology 34(4): 256-274. Foster, J., P. D. Ayers, A. Lombardi-Przybylowicz, and K. J. Simmons. 2006. Initial effects of light armored vehicle use on grassland vegetation at Fort Lewis, Washington. Journal of Environmental Management 81(2006): 315-322. Wang, X., and P. D. Ayers. 2006. The influence of deck size on the continuous roll prediction model for front-drive mowers. Transactions of the ASABE 49(6): 1677-1685. Wu, C., P. D. Ayers, and A. Anderson. 2006. Influence of travel direction on the GPS dynamic accuracy for vehicle tracking. Transactions of the ASAE 49(3):623-634. Yu, M., A. R. Womac, I. Cannayen, P. D. Ayers, and M. J. Buschermohle. 2006. Switchgrass ultimate stresses at typical biomass conditions available for processing. Biomass and Bioenergy 30(3):214-219. Anderson, A.B., A. J. Palazzo, P. D. Ayers, J. S. Fehmi, S. Shoop, and P. Sullivan. 2005. Assessing the impacts of military vehicles on natural areas. Journal of Terramechanics 42(3-4) 143-158. Ayers, P. D., A. B. Anderson, and C. Wu. 2005. Analysis of vehicle use patterns during field training exercises. Journal of Terramechanics 42(3-4) 321-338. Bauder, T., K. Barbarick, J. Ippolito, J. Shanahan, and P. D. Ayers. 2005. Soil Properties Affecting Wheat Yields following Drill-Fluid Application. Journal of Environmental Quality 24(5) 1687-1696. Recent bulletins/reports Ayers, P. D. 2005. ROPS Design and Testing for Agricultural Vehicles. Annual Report submitted to High Plains Intermountain Center for Agricultural Health and Safety for the National Institute for Occupational Safety and Health. Contract #U50 OH07545-03. Ayers, P. D., C. D. Butler, A. J. Fiscor, C. Wu, and A. Anderson. 2005. Vehicle Impact Study at Fort Riley, Kansas, October 2004. Research Report Submitted to Fort Riley Military Installation. Ayers, P. D., C. D. Butler, A. J. Fiscor, C. Wu, Q. Li, and A. Anderson. 2005. Vehicle Impact Study at Fort Riley, Kansas, April 2005. Research Report Submitted to Fort Riley Military Installation. Ayers, P. D., C. D. Butler, A. J. Fiscor, Q. Li, M. K. Rice, and C. Wu. 2005. Vehicle Impact Study for M2A2 Bradley at Fort Riley, Kansas, October 2004. Research Report Submitted to Fort Riley Military Installation. Ayers, P. D., C. D. Butler, and A. Anderson. 2005. Vehicle Impact Study – Wet vs. Dry at Fort Riley, Kansas. Research Report Submitted to Fort Riley Military Installation. Ayers, P. D., C. Wu, and A. Anderson. 2005. Identifying New Roads for GPS Vehicle Tracking in Military Training Exercises. Research Report Submitted to Yakima Training Center. Rice, M. K., and P. D. Ayers. 2005. Evaluation of Tracking Study for Maneuvers performed at Fort Riley, Kansas Military Installation in May of 2005. Research Report Submitted to Fort Riley Military Installation. Recent theses directed J. P. Rowe, R. S. Freeland, P. D. Ayers, and J. B. Wilkerson. 2008. PLANT SURVIVAL ASSESSMENT ON WETLAND AND STREAM MITIGATION SITES USING GPS/GIS. Rice, M. K. 2006. Using GPS and GIS to evaluate military vehicle traffic for the assessment of environmental impacts. Comer, R. S. 2005. Evaluation of engineering plastic for rollover protective structure mounting. Fiscor, A. J. 2005. Mussel habitat mapping in the Big South National River and Recreation Area (BISO). Recent dissertations directed Li, Q. 2006. Modeling of terrain impact causes by off-road vehicles. Wang, X. 2005. Modification and evaluation of continuous roll prediction for front drive mowers. Wu, C. 2005. Analysis of vehicle use patterns during military field exercises to identify potential roads. | |
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Recent grants/contracts Ayers, P. D. GPS-based underwter video for aquatic threatened and endangered species habitat at Camp Atterbury. U.S. Army CERL. Ayers, P. D. Vehicle Terrain Interaction Modeling. MechSim International. Ayers, P. D. Obed River habitat mapping II. NPS-Fort Collins. Ayers, P. D. River Habitat Mapping BISO. NPS - SE GIS Center. Ayers, P. D. Vehicle Dynamics Monitoring and Tracking in Support of Land Management. US Army. Ayers, P. D. Obed River Habitat Mapping. National Park Service. Ayers, P. D. Obed Habitat River Mapping. Nature Conservancy. Ayers, P. D. Abrams Creek underwater video mapping for endangered fish habitat. Great Smoky Mountain Conservation Association. Ayers, P. D. Abrams Creek Under Water Video Mapping for Federally-listed Fish Habitat. National Park Service. Ayers, P. D. Vehicle Tracking and Impact Assessment Methods Development and Data Analysis . U.S. Army Construction Engineering Research Laboratories . Ayers, P. D. National Agricultural Tractor Safety Initiative. Centers for Disease Control and Prevention. Ayers, P. D. River Habitat Mapping II. National Park Service. | |