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Towards a framework for an automated...

Tserng, Hui-Ping.

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Towards a framework for an automated landfill system (ALS).

Record Type:	Electronic resources : Monograph/item
Title/Author:	Towards a framework for an automated landfill system (ALS)./
Author:	Tserng, Hui-Ping.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 1997,
Description:	209 p.
Notes:	Source: Dissertations Abstracts International, Volume: 59-04, Section: B.
Contained By:	Dissertations Abstracts International59-04B.
Subject:	Civil engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9724817
ISBN:	9780591492606

Towards a framework for an automated landfill system (ALS).
Tserng, Hui-Ping.

Towards a framework for an automated landfill system (ALS). - Ann Arbor : ProQuest Dissertations & Theses, 1997 - 209 p.

Source: Dissertations Abstracts International, Volume: 59-04, Section: B.

Thesis (Ph.D.)--The University of Wisconsin - Madison, 1997.

This item must not be sold to any third party vendors.

This research developed a framework for an Automated Landfill System (ALS). The automation characteristics of ALS offers significant potential for increase in productivity, improvement in landfill space management, and reduction in risk to workers in the landfill compaction operation. The development of ALS requires: (1) Efficient space model to maintain the landfill configuration, (2) Space management to monitor landfill space consumption and achieve proper storage strategy, (3) Mapping and positioning system to update landfill configuration in real-time, (4) Instantaneous motion planning and controlling for multiple landfill equipment, and (5) Measurement of in-situ waste density to avoid re-compaction. This research focuses on the space model development, space model management, multi-equipment motion planning, and a study of mapping and positioning system. A 3-D Graphical Database System (GDS) along with an Octree algorithm was developed as a space model for a landfill site that will improve and assist the recovery program as well as monitor the space usage of the landfill site. Space consumption and waste information can be obtained easily by traversing the Octree data structure via Octant's coding and property system. Furthermore, Global Positioning System (GPS) technology can be used as a mapping and positioning system to achieve the real-time space measurement for landfill sites. An Instantaneous Motion Planning And Controlling Tool (IMPACT) was developed to generate efficient and collision-free path for multiple landfill equipment during the compaction operation. Each landfill equipment will have a given starting point through which appropriate paths can be determined while avoiding collisions with obstacles, other equipment, and operators. The Quadtree-Cube algorithm, modified from Quadtree algorithm, is proposed to address the motion planning for various types of landfill equipment. The specific Network Graph can be extracted from the Quadtree-Cube system for each piece of equipment. Then, IMPACT uses k-shortest path algorithm to traverse the Network Graph. Subsequently, the IMPACT finds a set of efficient and collision-free paths for each piece of landfill equipment. An example application of IMPACT for landfill compaction operation was also provided. The system has been implemented using a 3-D graphic functional interface library--OpenGL, with C++ program binding.

ISBN: 9780591492606Subjects--Topical Terms:

860360
Civil engineering.
Subjects--Index Terms:

compaction

Towards a framework for an automated landfill system (ALS).
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300 $a 209 p.
500 $a Source: Dissertations Abstracts International, Volume: 59-04, Section: B.
500 $a Publisher info.: Dissertation/Thesis.
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506 $a This item must not be sold to any third party vendors.
506 $a This item must not be added to any third party search indexes.
520 $a This research developed a framework for an Automated Landfill System (ALS). The automation characteristics of ALS offers significant potential for increase in productivity, improvement in landfill space management, and reduction in risk to workers in the landfill compaction operation. The development of ALS requires: (1) Efficient space model to maintain the landfill configuration, (2) Space management to monitor landfill space consumption and achieve proper storage strategy, (3) Mapping and positioning system to update landfill configuration in real-time, (4) Instantaneous motion planning and controlling for multiple landfill equipment, and (5) Measurement of in-situ waste density to avoid re-compaction. This research focuses on the space model development, space model management, multi-equipment motion planning, and a study of mapping and positioning system. A 3-D Graphical Database System (GDS) along with an Octree algorithm was developed as a space model for a landfill site that will improve and assist the recovery program as well as monitor the space usage of the landfill site. Space consumption and waste information can be obtained easily by traversing the Octree data structure via Octant's coding and property system. Furthermore, Global Positioning System (GPS) technology can be used as a mapping and positioning system to achieve the real-time space measurement for landfill sites. An Instantaneous Motion Planning And Controlling Tool (IMPACT) was developed to generate efficient and collision-free path for multiple landfill equipment during the compaction operation. Each landfill equipment will have a given starting point through which appropriate paths can be determined while avoiding collisions with obstacles, other equipment, and operators. The Quadtree-Cube algorithm, modified from Quadtree algorithm, is proposed to address the motion planning for various types of landfill equipment. The specific Network Graph can be extracted from the Quadtree-Cube system for each piece of equipment. Then, IMPACT uses k-shortest path algorithm to traverse the Network Graph. Subsequently, the IMPACT finds a set of efficient and collision-free paths for each piece of landfill equipment. An example application of IMPACT for landfill compaction operation was also provided. The system has been implemented using a 3-D graphic functional interface library--OpenGL, with C++ program binding.
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