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Research Output 1997 2019

Article

Acoustic compaction layer detection

Grift, T. E., Tekeste, M. Z. & Raper, R. L., Sep 1 2005, In : Transactions of the American Society of Agricultural Engineers. 48, 5, p. 1723-1730 8 p.

Research output: Contribution to journalArticle

Acoustics
acoustics
compaction
Compaction
Soil

Aerodynamic properties of individual fertilizer particles

Grift, T. E., Walker, J. T. & Hofstee, J. W., Apr 24 1997, In : Transactions of the American Society of Agricultural Engineers. 40, 1, p. 13-20 8 p.

Research output: Contribution to journalArticle

aerodynamics
Fertilizers
Aerodynamics
Spreaders
fertilizer

A LIDAR-based crop height measurement system for Miscanthus giganteus

Zhang, L. & Grift, T. E., Jul 1 2012, In : Computers and Electronics in Agriculture. 85, p. 70-76 7 p.

Research output: Contribution to journalArticle

Miscanthus giganteus
lidar
Crops
crop
crops

A monocular vision-based diameter sensor for Miscanthus giganteus

Zhang, L. & Grift, T. E., Mar 1 2012, In : Biosystems Engineering. 111, 3, p. 298-304 7 p.

Research output: Contribution to journalArticle

Monocular Vision
Miscanthus giganteus
sensors (equipment)
Lasers
Cameras

A portable tillage profiler for measuring subsoiling disruption

Raper, R. L., Grift, T. E. & Tekeste, M. Z., Jan 1 2004, In : Transactions of the American Society of Agricultural Engineers. 47, 1, p. 23-27 5 p.

Research output: Contribution to journalArticle

subsoiling
profiler
tillage
Soil
Soils

ASABE's student robotics competition is thriving

Grift, T. E., Nov 1 2015, Resource: Engineering and Technology for Sustainable World, 22, 6, p. 17-19 3 p.

Research output: Contribution to specialist publicationArticle

Robotics
students
Students

A spinning-tube device for dynamic friction coefficient measurement of granular fertiliser particles

Kweon, G., Grift, T. E. & Miclet, D., Jun 1 2007, In : Biosystems Engineering. 97, 2, p. 145-152 8 p.

Research output: Contribution to journalArticle

Friction
Fertilizers
spinning
friction
fertilizer

Automated detection of mechanically induced bruise areas in golden delicious apples using fluorescence imagery

Chiu, Y. C., Chou, X. L., Grift, T. E. & Chen, M. T., Jan 1 2015, In : Transactions of the ASABE. 58, 2, p. 215-225 11 p.

Research output: Contribution to journalArticle

bruising (plant)
Contusions
Imagery (Psychotherapy)
Malus
Fruits

A wireless communication system for automated greenhouse operations

Chiu, Y. C., Yang, P. Y. & Grift, T. E., Apr 2014, In : Engineering in Agriculture, Environment and Food. 7, 2, p. 78-85 8 p.

Research output: Contribution to journalArticle

communications technology
robots
Greenhouses
Communication systems
Robots

Biomass feedstock preprocessing and long-distance transportation logistics

Lin, T., Rodríguez, L. F., Davis, S., Khanna, M., Shastri, Y., Grift, T., Long, S. & Ting, K. C., Jan 1 2016, In : GCB Bioenergy. 8, 1, p. 160-170 11 p.

Research output: Contribution to journalArticle

feedstocks
Feedstocks
Logistics
logistics
Biomass
root systems
Zea mays
corn
fractal dimensions
plant variety protection

Climate change: Is it real?

Grift, T. E., Jul 1 2018, Resource: Engineering and Technology for Sustainable World, 25, 4, p. 30-31 2 p.

Research output: Contribution to specialist publicationArticle

Climate Change
Climate change
climate change

Cutting energy characteristics of Miscanthus x giganteus stems with varying oblique angle and cutting speed

Johnson, P. C., Clementson, C. L., Mathanker, S. K., Grift, T. E. & Hansen, A. C., May 1 2012, In : Biosystems Engineering. 112, 1, p. 42-48 7 p.

Research output: Contribution to journalArticle

Miscanthus giganteus
Equipment and Supplies
stems
energy
Miscanthus

Design and analysis of a wheel-legged hybrid locomotion mechanism

Zheng, C., Liu, J., Grift, T. E., Zhang, Z., Sheng, T., Zhou, J., Ma, Y. & Yin, M., Nov 2015, In : Advances in Mechanical Engineering. 7, 11

Research output: Contribution to journalArticle

Wheels
Robots
Chassis
Kinematics

Design and testing of an intra-row mechanical weeding machine for corn

Cordill, C. & Grift, T. E., Nov 1 2011, In : Biosystems Engineering. 110, 3, p. 247-252 6 p.

Research output: Contribution to journalArticle

Weed control
mechanical weed control
Zea mays
maize
corn

Determining effects of fertilizer particle shape on aerodynamic properties

Walker, J. T., Grift, T. E. & Hofstee, J. W., Apr 24 1997, In : Transactions of the American Society of Agricultural Engineers. 40, 1, p. 21-27 7 p.

Research output: Contribution to journalArticle

aerodynamics
Fertilizers
Aerodynamics
fertilizer
fertilizers

Determining optimal size reduction and densification for biomass feedstock using the BioFeed optimization model

Shastri, Y. N., Miao, Z., Rodríguez, L. F., Grift, T. E., Hansen, A. C. & Ting, K. C., Jan 1 2014, In : Biofuels, Bioproducts and Biorefining. 8, 3, p. 423-437 15 p.

Research output: Contribution to journalArticle

Densification
Feedstocks
Biomass
Particle size
Costs

Development of a fertilizer particle accelerator

Grift, T. E. & Hofstee, J. W., Jan 1 1997, In : Journal of Agricultural and Engineering Research. 66, 3, p. 229-233 5 p.

Research output: Contribution to journalArticle

Particle Accelerators
Fertilizers
Particle accelerators
fertilizer
fertilizers

Development of a tabletop guidance system for educational robots

Bac, C. W., Grift, T. E. & Menezes, G., Oct 17 2011, In : Applied Engineering in Agriculture. 27, 5, p. 829-838 10 p.

Research output: Contribution to journalArticle

Educational robots
Robots
Sensor arrays
Laser beams
Global positioning system

Development of low-cost, root collar diameter measurement devices for pine seedlings

Grift, T. E. & Oberti, R., Jun 1 2006, In : Computers and Electronics in Agriculture. 52, 1-2, p. 60-70 11 p.

Research output: Contribution to journalArticle

root crown
Systematic errors
Pinus
seedling
seedlings

Dynamic Friction Coefficient Measurement of Granular Fertiliser Particles

Grift, T. E., Kweon, G., Hofstee, J. W., Piron, E. & Villette, S., Dec 1 2006, In : Biosystems Engineering. 95, 4, p. 507-515 9 p.

Research output: Contribution to journalArticle

Friction
Fertilizers
friction
vanes
fertilizer

Effect of blade oblique angle and cutting speed on cutting energy for energycane stems

Mathanker, S. K., Grift, T. E. & Hansen, A. C., May 1 2015, In : Biosystems Engineering. 133, p. 64-70 7 p.

Research output: Contribution to journalArticle

Saccharum
stem
stems
energy
Costs and Cost Analysis

Effects of four base cutter blade designs on sugarcane stem cut quality

Momin, M. A., Wempe, P. A., Grift, T. E. & Hansen, A. C., Jan 1 2017, In : Transactions of the ASABE. 60, 5, p. 1551-1560 10 p.

Research output: Contribution to journalArticle

Saccharum
cutters
sugarcane
stem
Lasers

Effects of three cutting blade designs on energy consumption during mowing-conditioning of Miscanthus Giganteus

Gan, H., Mathanker, S., Momin, M. A., Kuhns, B., Stoffel, N., Hansen, A. & Grift, T., Feb 2018, In : Biomass and Bioenergy. 109, p. 166-171 6 p.

Research output: Contribution to journalArticle

Miscanthus giganteus
mowing
conditioning
Energy utilization
heating

Electrical capacitance as a proxy measurement of miscanthus bulk density, and the influence of moisture content and particle size

Tan, Y., Miao, Z., Abdul, M. M., Grift, T. E. & Ting, K. C., Mar 1 2017, In : Computers and Electronics in Agriculture. 134, p. 102-108 7 p.

Research output: Contribution to journalArticle

Miscanthus
capacitance
bulk density
particle size
moisture content

Energy and pressure requirement for compression of Miscanthus giganteus to an extreme density

Miao, Z., Phillips, J. W., Grift, T. E. & Mathanker, S. K., Jan 1 2013, In : Biosystems Engineering. 114, 1, p. 21-25 5 p.

Research output: Contribution to journalArticle

Miscanthus giganteus
Coal
coal
Biomass
compression

Energy requirement for comminution of biomass in relation to particle physical properties

Miao, Z., Grift, T. E., Hansen, A. C. & Ting, K. C., Mar 1 2011, In : Industrial Crops and Products. 33, 2, p. 504-513 10 p.

Research output: Contribution to journalArticle

energy requirements
particle size
physical properties
Panicum virgatum
biomass

Energy requirement for lignocellulosic feedstock densifications in relation to particle physical properties, preheating, and binding agents

Miao, Z., Grift, T. E., Hansen, A. C. & Ting, K. C., Jan 17 2013, In : Energy and Fuels. 27, 1, p. 588-595 8 p.

Research output: Contribution to journalArticle

Preheating
Densification
Feedstocks
Physical properties
Energy utilization

Estimating mean particle diameter in free-fall granular particle flow using a Poisson model in space

Grift, T. E. & Crespi, C. M., Sep 1 2008, In : Biosystems Engineering. 101, 1, p. 28-35 8 p.

Research output: Contribution to journalArticle

Space Simulation
Sensors
density current
Measurement errors
spacing

Estimation of the flow rate of free falling granular particles using a Poisson model in time

Grift, T. E. & Crespi, C. M., Sep 1 2008, In : Biosystems Engineering. 101, 1, p. 36-41 6 p.

Research output: Contribution to journalArticle

Flow rate
Sensors
sensors (equipment)
Systems Theory
sensor

Feed Gate Adaptation of a Spinner Spreader for Uniformity Control

Kweon, G. & Grift, T. E., Sep 1 2006, In : Biosystems Engineering. 95, 1, p. 19-34 16 p.

Research output: Contribution to journalArticle

spreaders
Spreaders
Fertilizers
application rate
simulation

Flow performance of ground biomass in a commercial auger

Miao, Z., Grift, T. E., Hansen, A. C. & Ting, K. C., Nov 2014, In : Powder Technology. 267, p. 354-361 8 p.

Research output: Contribution to journalArticle

Biomass
Flow rate
Conveying
Feedstocks
Energy efficiency

Fundamental mass flow measurement of solid particles

Grift, T. E., Apr 1 2003, In : Particulate Science and Technology. 21, 2, p. 177-193 17 p.

Research output: Contribution to journalArticle

Flow measurement
Sensors
Flow simulation
Optoelectronic devices
Contamination

Genetic evaluation of root complexity in maize

Bohn, M., Novais, J., Fonseca, R., Tuberosa, R. & Grift, T. E., Dec 1 2006, In : Acta Agronomica Hungarica. 54, 3, p. 291-303 13 p.

Research output: Contribution to journalArticle

fractal dimensions
quantitative trait loci
root systems
corn
digital images

Geometry-based mass grading of mango fruits using image processing

Momin, M. A., Rahman, M. T., Sultana, M. S., Igathinathane, C., Ziauddin, A. T. M. & Grift, T. E., Jun 2017, In : Information Processing in Agriculture. 4, 2, p. 150-160 11 p.

Research output: Contribution to journalArticle

Fruits
mangoes
image processing
Image processing
fruit

High-throughput phenotyping technology for maize roots

Grift, T. E., Novais, J. & Bohn, M., Sep 1 2011, In : Biosystems Engineering. 110, 1, p. 40-48 9 p.

Research output: Contribution to journalArticle

Fractals
Zea mays
fractal dimensions
Fractal dimension
maize

Impact of blade angle on miscanthus harvesting energy requirement

Maughan, J. D., Mathanker, S. K., Grift, T. E., Hansen, A. C. & Ting, K. C., Sep 1 2014, In : Transactions of the ASABE. 57, 4, p. 999-1006 8 p.

Research output: Contribution to journalArticle

conditioner mowers
Lawn mowers
Miscanthus
Biofuels
Energy harvesting

Machine vision based soybean quality evaluation

Momin, M. A., Yamamoto, K., Miyamoto, M., Kondo, N. & Grift, T. E., Aug 2017, In : Computers and Electronics in Agriculture. 140, p. 452-460 9 p.

Research output: Contribution to journalArticle

computer vision
Computer vision
defect
soybean
beans

Maize root complexity analysis using a Support Vector Machine method

Zhong, D., Novais, J., Grift, T. E., Bohn, M. & Han, J., Nov 1 2009, In : Computers and Electronics in Agriculture. 69, 1, p. 46-50 5 p.

Research output: Contribution to journalArticle

Curve fitting
Fractal dimension
Support vector machines
maize
corn

Maize root matters

Grift, T. & Bohn, M., Jul 1 2013, Resource: Engineering and Technology for Sustainable World, 20, 4, p. 4-6 3 p.

Research output: Contribution to specialist publicationArticle

Zea mays
Imaging techniques
corn
Agricultural engineering
Digital cameras
aerial application
mass flow
Granular materials
flow measurement
Fertilizers

Mass flow measurement of granular materials in aerial application - Part 2: Experimental model validation

Grift, T. E., Walker, J. T. & Hofstee, J. W., Jan 1 2001, In : Transactions of the American Society of Agricultural Engineers. 44, 1, p. 27-34 8 p.

Research output: Contribution to journalArticle

aerial application
mass flow
Granular materials
flow measurement
model validation

Measurement of Mechanical Compressive Properties and Densification Energy Requirement of Miscanthus × giganteus and Switchgrass

Miao, Z., Phillips, J. W., Grift, T. E. & Mathanker, S. K., Jan 1 2015, In : Bioenergy Research. 8, 1, p. 152-164 13 p.

Research output: Contribution to journalArticle

Miscanthus giganteus
Miscanthus
Panicum virgatum
Densification
energy requirements

Measurement of velocity and diameter of individual fertilizer particles by an optical method

Grift, T. E. & Hofstee, J. W., Jan 1 1997, In : Journal of Agricultural and Engineering Research. 66, 3, p. 235-238 4 p.

Research output: Contribution to journalArticle

optical method
Fertilizers
Spreaders
fertilizer
fertilizers

M-estimation of Boolean models for particle flow experiments

Osborne, J. A. & Grift, T. E., May 1 2009, In : Journal of the Royal Statistical Society. Series C: Applied Statistics. 58, 2, p. 197-210 14 p.

Research output: Contribution to journalArticle

M-estimation
Passage Time
Boolean Model
Experiment
Probability Model

Research and development in agricultural robotics: A perspective of digital farming

Shamshiri, R. R., Weltzien, C., Hameed, I. A., Yule, I. J., Grift, T. E., Balasundram, S. K., Pitonakova, L., Ahmad, D. & Chowdhary, G., Jan 1 2018, In : International Journal of Agricultural and Biological Engineering. 11, 4, p. 1-14 14 p.

Research output: Contribution to journalArticle

Robotics
research and development
Agriculture
robots
farming systems

Semi-automated, machine vision based maize kernel counting on the ear

Grift, T. E., Zhao, W., Momin, M. A., Zhang, Y. & Bohn, M. O., Dec 2017, In : Biosystems Engineering. 164, p. 171-180 10 p.

Research output: Contribution to journalArticle

computer vision
Computer vision
Zea mays
Ear
ears

Sensing miscanthus STEM bending force for maximizing throughput rate in a disk mower-conditioner

Mathanker, S. K., Hansen, A. C., Grift, T. E. & Ting, K. C., 2014, In : Transactions of the ASABE. 57, 1, p. 5-12 8 p.

Research output: Contribution to journalArticle

conditioner mowers
Lawn mowers
Miscanthus
Scanning Transmission Electron Microscopy
Biomass

Sensing miscanthus swath volume for maximizing baler throughput rate

Mathanker, S. K., Maughan, J. D., Hansen, A. C., Grift, T. E. & Ting, K. C., 2014, In : Transactions of the ASABE. 57, 2, p. 355-362 8 p.

Research output: Contribution to journalArticle

Miscanthus
Biomass
Throughput
biomass
Costs and Cost Analysis

Simulation of low temperature anaerobic digestion of dairy and swine manure

Hill, D. T., Taylor, S. E. & Grift, T. E., Jun 2001, In : Bioresource Technology. 78, 2, p. 127-131 5 p.

Research output: Contribution to journalArticle

Anaerobic digestion
Dairies
Manures
manure
simulation