Comparison of impact plate and torque-based grain mass flow sensors

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The performance of two grain flow sensors was compared on a stationary combine in the laboratory. The separator mechanism was intact, and the threshing cylinder was immobilized. Grain flow to the machine was controlled by electronically modulating gate valves on two grain conduits. Base grain flows ranged from 0.91 to 6.36 kg/s in 0.91 kg/s steps. Perturbations of 0.91, 1.82, and 2.73 kg/s could be introduced into the machine through a separate conduit. The results showed that the torque sensor was ten times more sensitive to changes in flow rate when compared to the impact plate sensor. Standard errors for both sensors increased at flow rates below 3 kg/s. For flows less than 1 kg/s, the standard error for the impact plate sensor was ±60%, and the standard error for the torque sensor was ±18%. At flow rates greater than 3 kg/s, the error for the impact plate sensor was ±15%, whereas the error for the torque sensor was ±5%. Measuring the torque required to lift the grain in the clean grain elevator is an alternative and more precise method of quantifying grain flow when compared to the impact plate sensor.

Original languageEnglish (US)
Pages (from-to)1337-1345
Number of pages9
JournalTransactions of the American Society of Agricultural Engineers
Volume47
Issue number4
StatePublished - Jul 1 2004

Fingerprint

mass flow
torque
Torque
sensors (equipment)
sensor
Sensors
Elevators and Escalators
Flow rate
Grain elevators
grain elevators
comparison
separators
valves (equipment)
Separators
perturbation

Keywords

  • Accuracy
  • Error analysis
  • Grain
  • Impact
  • Precision agriculture
  • Torque
  • Yield sensor

Cite this

Comparison of impact plate and torque-based grain mass flow sensors. / Chaplin, Jonathan; Hemming, N.; Hetchler, Brian.

In: Transactions of the American Society of Agricultural Engineers, Vol. 47, No. 4, 01.07.2004, p. 1337-1345.

Research output: Contribution to journalArticle

@article{3b538b4d4bd44568b5323056ae98d984,
title = "Comparison of impact plate and torque-based grain mass flow sensors",
abstract = "The performance of two grain flow sensors was compared on a stationary combine in the laboratory. The separator mechanism was intact, and the threshing cylinder was immobilized. Grain flow to the machine was controlled by electronically modulating gate valves on two grain conduits. Base grain flows ranged from 0.91 to 6.36 kg/s in 0.91 kg/s steps. Perturbations of 0.91, 1.82, and 2.73 kg/s could be introduced into the machine through a separate conduit. The results showed that the torque sensor was ten times more sensitive to changes in flow rate when compared to the impact plate sensor. Standard errors for both sensors increased at flow rates below 3 kg/s. For flows less than 1 kg/s, the standard error for the impact plate sensor was ±60{\%}, and the standard error for the torque sensor was ±18{\%}. At flow rates greater than 3 kg/s, the error for the impact plate sensor was ±15{\%}, whereas the error for the torque sensor was ±5{\%}. Measuring the torque required to lift the grain in the clean grain elevator is an alternative and more precise method of quantifying grain flow when compared to the impact plate sensor.",
keywords = "Accuracy, Error analysis, Grain, Impact, Precision agriculture, Torque, Yield sensor",
author = "Jonathan Chaplin and N. Hemming and Brian Hetchler",
year = "2004",
month = "7",
day = "1",
language = "English (US)",
volume = "47",
pages = "1337--1345",
journal = "Transactions of the ASABE",
issn = "2151-0032",
publisher = "American Society of Agricultural and Biological Engineers",
number = "4",

}

TY - JOUR

T1 - Comparison of impact plate and torque-based grain mass flow sensors

AU - Chaplin, Jonathan

AU - Hemming, N.

AU - Hetchler, Brian

PY - 2004/7/1

Y1 - 2004/7/1

N2 - The performance of two grain flow sensors was compared on a stationary combine in the laboratory. The separator mechanism was intact, and the threshing cylinder was immobilized. Grain flow to the machine was controlled by electronically modulating gate valves on two grain conduits. Base grain flows ranged from 0.91 to 6.36 kg/s in 0.91 kg/s steps. Perturbations of 0.91, 1.82, and 2.73 kg/s could be introduced into the machine through a separate conduit. The results showed that the torque sensor was ten times more sensitive to changes in flow rate when compared to the impact plate sensor. Standard errors for both sensors increased at flow rates below 3 kg/s. For flows less than 1 kg/s, the standard error for the impact plate sensor was ±60%, and the standard error for the torque sensor was ±18%. At flow rates greater than 3 kg/s, the error for the impact plate sensor was ±15%, whereas the error for the torque sensor was ±5%. Measuring the torque required to lift the grain in the clean grain elevator is an alternative and more precise method of quantifying grain flow when compared to the impact plate sensor.

AB - The performance of two grain flow sensors was compared on a stationary combine in the laboratory. The separator mechanism was intact, and the threshing cylinder was immobilized. Grain flow to the machine was controlled by electronically modulating gate valves on two grain conduits. Base grain flows ranged from 0.91 to 6.36 kg/s in 0.91 kg/s steps. Perturbations of 0.91, 1.82, and 2.73 kg/s could be introduced into the machine through a separate conduit. The results showed that the torque sensor was ten times more sensitive to changes in flow rate when compared to the impact plate sensor. Standard errors for both sensors increased at flow rates below 3 kg/s. For flows less than 1 kg/s, the standard error for the impact plate sensor was ±60%, and the standard error for the torque sensor was ±18%. At flow rates greater than 3 kg/s, the error for the impact plate sensor was ±15%, whereas the error for the torque sensor was ±5%. Measuring the torque required to lift the grain in the clean grain elevator is an alternative and more precise method of quantifying grain flow when compared to the impact plate sensor.

KW - Accuracy

KW - Error analysis

KW - Grain

KW - Impact

KW - Precision agriculture

KW - Torque

KW - Yield sensor

UR - http://www.scopus.com/inward/record.url?scp=6344283140&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=6344283140&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:6344283140

VL - 47

SP - 1337

EP - 1345

JO - Transactions of the ASABE

JF - Transactions of the ASABE

SN - 2151-0032

IS - 4

ER -