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Automated soil penetrometer-shearometer for mapping the spatial variability of soil penetration resistance and shear stress.

An automated soil penetrometer-shearometer unit (3) equipped with data acquisition and differential global positioning system (DGPS) is capable of real-time maping spatial variability of soil penetration resistance and shear stress associated with landscape position is disclosed. The unit consists o...

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Main Authors: Yahya, Azmi, Ng, Eng Boon
Format: Patent
Published: 2008
Online Access:http://psasir.upm.edu.my/id/eprint/20893/
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id my.upm.eprints.20893
record_format eprints
spelling my.upm.eprints.208932013-06-14T08:40:57Z http://psasir.upm.edu.my/id/eprint/20893/ Automated soil penetrometer-shearometer for mapping the spatial variability of soil penetration resistance and shear stress. Yahya, Azmi Ng, Eng Boon An automated soil penetrometer-shearometer unit (3) equipped with data acquisition and differential global positioning system (DGPS) is capable of real-time maping spatial variability of soil penetration resistance and shear stress associated with landscape position is disclosed. The unit consists of following four main sub-assemblies; a main frame (4) to support the moving carriage sub-assemblies, two moving carriage sub-assemblies (14,17) to support penetrometer (1) and sherometer (2), a gear driving mechanisms to support traverse movements of the moving carriages, and a three-point hitch attacment to support the main frame and provide attachment to the tractor. Motion controls for the penetrometer-shearometer unit (3) are performed by a Programmable Logic Controller (PLC) unit and other external electronics and sensing devices. 2008-11-28 Patent NonPeerReviewed Azmi Yahya (2008) Automated soil penetrometer-shearometer for mapping the spatial variability of soil penetration resistance and shear stress. UNSPECIFIED.
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
description An automated soil penetrometer-shearometer unit (3) equipped with data acquisition and differential global positioning system (DGPS) is capable of real-time maping spatial variability of soil penetration resistance and shear stress associated with landscape position is disclosed. The unit consists of following four main sub-assemblies; a main frame (4) to support the moving carriage sub-assemblies, two moving carriage sub-assemblies (14,17) to support penetrometer (1) and sherometer (2), a gear driving mechanisms to support traverse movements of the moving carriages, and a three-point hitch attacment to support the main frame and provide attachment to the tractor. Motion controls for the penetrometer-shearometer unit (3) are performed by a Programmable Logic Controller (PLC) unit and other external electronics and sensing devices.
format Patent
author Yahya, Azmi
Ng, Eng Boon
spellingShingle Yahya, Azmi
Ng, Eng Boon
Automated soil penetrometer-shearometer for mapping the spatial variability of soil penetration resistance and shear stress.
author_facet Yahya, Azmi
Ng, Eng Boon
author_sort Yahya, Azmi
title Automated soil penetrometer-shearometer for mapping the spatial variability of soil penetration resistance and shear stress.
title_short Automated soil penetrometer-shearometer for mapping the spatial variability of soil penetration resistance and shear stress.
title_full Automated soil penetrometer-shearometer for mapping the spatial variability of soil penetration resistance and shear stress.
title_fullStr Automated soil penetrometer-shearometer for mapping the spatial variability of soil penetration resistance and shear stress.
title_full_unstemmed Automated soil penetrometer-shearometer for mapping the spatial variability of soil penetration resistance and shear stress.
title_sort automated soil penetrometer-shearometer for mapping the spatial variability of soil penetration resistance and shear stress.
publishDate 2008
url http://psasir.upm.edu.my/id/eprint/20893/
_version_ 1643827418017824768
score 13.211869

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