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Articles 1 - 30 of 37
Full-Text Articles in Technology and Innovation
New Gripping And Binding Device Greatly Improves Preparation Of Natural Clasts For Rfid Tracking, Samuel Slaven, Isaac Slaven, Alison M. Anders
New Gripping And Binding Device Greatly Improves Preparation Of Natural Clasts For Rfid Tracking, Samuel Slaven, Isaac Slaven, Alison M. Anders
Faculty Research & Creative Activity
Radio frequency identification technology (RFID) has allowed for tracking of individual clasts implanted with passive integrated transponder (PIT) tags through sedimentary systems, providing recovery rates much higher than older sediment tagging methods such as painted or magnetic clasts. However, preparation of natural clasts for PIT tag implantation has been time-consuming and dangerous with rates of catastrophic failure of clasts of ∼66% or more. Moreover, failure rates increase as clast size decreases. The authors present an improved methodology that provides nearly 100% success rates and allows for drilling of clasts down to 23 mm along the intermediate diameter. The gripping and …
New Gripping And Binding Device Greatly Improves Preparation Of Natural Clasts For Rfid Tracking, Samuel Slaven, Isaac Slaven, Alison Anders
New Gripping And Binding Device Greatly Improves Preparation Of Natural Clasts For Rfid Tracking, Samuel Slaven, Isaac Slaven, Alison Anders
Faculty Research & Creative Activity
Radio frequency identification technology (RFID) has allowed for tracking of individual clasts implanted with passive integrated transponder (PIT) tags through sedimentary systems, providing recovery rates much higher than older sediment tagging methods such as painted or magnetic clasts. However, preparation of natural clasts for PIT tag implantation has been time-consuming and dangerous with rates of catastrophic failure of clasts of ∼66% or more. Moreover, failure rates increase as clast size decreases. The authors present an improved methodology that provides nearly 100% success rates and allows for drilling of clasts down to 23 mm along the intermediate diameter. The gripping and …
Methodology For Evaluating Statistical Equivalence In Face Recognition Using Live Subjects With Dissimilar Skin Tones, Rigoberto Chinchilla
Methodology For Evaluating Statistical Equivalence In Face Recognition Using Live Subjects With Dissimilar Skin Tones, Rigoberto Chinchilla
Faculty Research & Creative Activity
The general purpose of this study is to propose a methodology that can be employed in the application of facial recognition systems (FRS) to determine if a statistically significant difference exists in a facial recognition system’s ability to match two dissimilar skin tone populations to their enrolled images. A particular objective is to test the face recognition system’s ability to recognize dark or light skin tone subjects. In addition to the direct comparison of results from two different populations, this study uses a Box Behnken Design to examine four factors commonly effecting facial recognition systems. Four factors were tested, the …
Collaboration Between Private Sector And Academia: Arewe Compromising Our Engineering Programs?, Rigoberto Chinchilla
Collaboration Between Private Sector And Academia: Arewe Compromising Our Engineering Programs?, Rigoberto Chinchilla
Faculty Research & Creative Activity
A central theme in the past ASEE Main Plenary in San Antonio, Texas, was the need to prepare our students for an “effective industrial practice.” Most panelists stressed the fact that “nowadays companies do not want to spend too much in training.” The direct implication at the end of the plenary was that academia was somehow “obligated” to supply engineers with the “right skills” for these companies. With the increased pressure in cost saving, according to the panelists in the plenary, the private sector has suggested that academia has to build a curriculum “ad-hoc” so they can hire “good engineers” …
Collaboration Between Private Sector And Academia: Arewe Compromising Our Engineering Programs?, Rigoberto Chinchilla
Collaboration Between Private Sector And Academia: Arewe Compromising Our Engineering Programs?, Rigoberto Chinchilla
Faculty Research & Creative Activity
A central theme in the past ASEE Main Plenary in San Antonio, Texas, was the need to prepare our students for an “effective industrial practice.” Most panelists stressed the fact that “nowadays companies do not want to spend too much in training.” The direct implication at the end of the plenary was that academia was somehow “obligated” to supply engineers with the “right skills” for these companies. With the increased pressure in cost saving, according to the panelists in the plenary, the private sector has suggested that academia has to build a curriculum “ad-hoc” so they can hire “good engineers” …
Methodology For Evaluating Statistical Equivalence In Face Recognition Using Live Subjects With Dissimilar Skin Tones, Rigoberto Chinchilla
Methodology For Evaluating Statistical Equivalence In Face Recognition Using Live Subjects With Dissimilar Skin Tones, Rigoberto Chinchilla
Faculty Research & Creative Activity
The general purpose of this study is to propose a methodology that can be employed in the application of facial recognition systems (FRS) to determine if a statistically significant difference exists in a facial recognition system’s ability to match two dissimilar skin tone populations to their enrolled images. A particular objective is to test the face recognition system’s ability to recognize dark or light skin tone subjects. In addition to the direct comparison of results from two different populations, this study uses a Box Behnken Design to examine four factors commonly effecting facial recognition systems. Four factors were tested, the …
Performance Modeling Of Distributed Collaboration Services With Independent Inputs/Outputs, Toqeer A. Israr, Gregor V. Bochmann
Performance Modeling Of Distributed Collaboration Services With Independent Inputs/Outputs, Toqeer A. Israr, Gregor V. Bochmann
Faculty Research & Creative Activity
This paper deals with modeling and performance analysis of dis-tributed applications, service compositions and workflow systems. From the functional perspective, the distributed application is modeled as an activity in-volving several roles, where behavior is defined in terms of compositions from several sub-activities using the standard sequencing operators found in UML Activity Diagrams. Each activity is characterized by a certain number of input and output events, and the performance of the activity is defined by the mini-mum delays that apply for a given output event in respect to each input event. We use a partial order to model these events, whose …
The Impact Of Three Interfaces For 360-Degree Video On Spatial Cognition, Wutthigrai Boonsuk, Stephen Gilbert, Jonathan Kelly
The Impact Of Three Interfaces For 360-Degree Video On Spatial Cognition, Wutthigrai Boonsuk, Stephen Gilbert, Jonathan Kelly
Faculty Research & Creative Activity
In this paper, we describe an experiment designed to evaluate the effectiveness of three interfaces for surveillance or remote control using live 360-degree video feeds from a person or vehicle in the field. Video feeds are simulated using a game engine. While locating targets within a 3D terrain using a 2D 360-degree interface, participants indicated perceived egocentric directions to targets and later placed targets on an overhead view of the terrain. Interfaces were compared based on target finding and map placement performance. Results suggest 1) nonseamless interfaces with visual boundaries facilitate spatial understanding, 2) correct perception of self-to-object relationships is …
The Impact Of Three Interfaces For 360-Degree Video On Spatial Cognition, Wutthigrai Boonsuk, Stephen B. Gilbert, Jonathan W. Kelly
The Impact Of Three Interfaces For 360-Degree Video On Spatial Cognition, Wutthigrai Boonsuk, Stephen B. Gilbert, Jonathan W. Kelly
Faculty Research & Creative Activity
In this paper, we describe an experiment designed to evaluate the effectiveness of three interfaces for surveillance or remote control using live 360-degree video feeds from a person or vehicle in the field. Video feeds are simulated using a game engine. While locating targets within a 3D terrain using a 2D 360-degree interface, participants indicated perceived egocentric directions to targets and later placed targets on an overhead view of the terrain. Interfaces were compared based on target finding and map placement performance. Results suggest 1) nonseamless interfaces with visual boundaries facilitate spatial understanding, 2) correct perception of self-to-object relationships is …
Wind Turbine Safety: Developing A Technician Training Course, Isaac Slaven, Ed Dennis
Wind Turbine Safety: Developing A Technician Training Course, Isaac Slaven, Ed Dennis
Faculty Research & Creative Activity
This article examines the development of a safety course for prospective wind technicians. The goal was to increase student interest in safety topics related to the wind turbine industry and to maintain the material within the OSHA-10 topics guidelines.
Wind Turbine Safety: Developing A Technician Training Course, Isaac Slaven, Ed Dennis
Wind Turbine Safety: Developing A Technician Training Course, Isaac Slaven, Ed Dennis
Faculty Research & Creative Activity
This article examines the development of a safety course for prospective wind technicians. The goal was to increase student interest in safety topics related to the wind turbine industry and to maintain the material within the OSHA-10 topics guidelines.
Top 50 Downloads From The Keep (March 1, 2012), Todd Bruns
Top 50 Downloads From The Keep (March 1, 2012), Todd Bruns
Faculty Research & Creative Activity
This spreadsheet lists the top 50 downloaded items from The Keep as of March 1, 2012.
Wind Power Technologies: A Need For Research And Development In Improving Vawt’S Airfoil Characteristics, Rigoberto Chinchilla, Samuel Guccione, Joseph Tillman
Wind Power Technologies: A Need For Research And Development In Improving Vawt’S Airfoil Characteristics, Rigoberto Chinchilla, Samuel Guccione, Joseph Tillman
Faculty Research & Creative Activity
Straight bladed fixed pitched vertical axis wind turbines (VAWTs) offer several potential advantages over the standard horizontal axis wind turbines which are now in common use worldwide. The purpose of this study was to determine the need for further research and develop on improved airfoil or blade characteristics for use on straight bladed fixed pitched VAWT. This need was demonstrated by the design and construction of an airfoil that was physically modeled and field tested. The test showed that asymmetric airfoils would enable SBVAWTs to self start.
Clean Energy As A Platform For Interdisciplinary Collaborations Within A Technology-Driven Institution, Douglas Schauer, Isaac Slaven, Glen Robinson
Clean Energy As A Platform For Interdisciplinary Collaborations Within A Technology-Driven Institution, Douglas Schauer, Isaac Slaven, Glen Robinson
Faculty Research & Creative Activity
Using biodiesel production as the centerpiece, the efforts of multiple academic programs were combined to achieve a common objective, thus illustrating the importance of cross-disciplinary collaboration. These programs include Chemical Technology, Sustainable Energy, Automotive Technology, HVAC, Biotechnology, and Agricultural Technology. By participating in the implementation of a closed-loop biodiesel supply chain, students learned the significance of communication and the interdependence of the myriad programs.
Clean Energy As A Platform For Interdisciplinary Collaborations Within A Technology-Driven Institution, Douglas J. Schauer, Isaac Slaven, Glen Robinson
Clean Energy As A Platform For Interdisciplinary Collaborations Within A Technology-Driven Institution, Douglas J. Schauer, Isaac Slaven, Glen Robinson
Faculty Research & Creative Activity
Using biodiesel production as the centerpiece, the efforts of multiple academic programs were combined to achieve a common objective, thus illustrating the importance of cross-disciplinary collaboration. These programs include Chemical Technology, Sustainable Energy, Automotive Technology, HVAC, Biotechnology, and Agricultural Technology. By participating in the implementation of a closed-loop biodiesel supply chain, students learned the significance of communication and the interdependence of the myriad programs.
Properties Of Wood Waste Stored For Energy Production, Isaac Slaven, Eva Haviarova, Daniel Cassens
Properties Of Wood Waste Stored For Energy Production, Isaac Slaven, Eva Haviarova, Daniel Cassens
Faculty Research & Creative Activity
Storage of wood biomass is not a new concern, but our current focus on using wood for renewable energy has brought it back to researchers’ attention. Since much of the past research done on pile storage relates to paper pulp chips, most of it dates to the 1960s and 1970s. Fiber shortages during that period caused increased interest in higher pulp yields (Zoch, Springer, & Hajny 1976). Further interest in the use of whole trees came about from the energy crisis of the late 1970s. Recent efforts by the government to create a U.S. energy portfolio rich in renewable resources …
Wind Power Technologies: A Need For Research And Development In Improving Vawt’S Airfoil Characteristics, Rigoberto Chinchilla, Samuel Guccione, Joseph Tillman
Wind Power Technologies: A Need For Research And Development In Improving Vawt’S Airfoil Characteristics, Rigoberto Chinchilla, Samuel Guccione, Joseph Tillman
Faculty Research & Creative Activity
Straight bladed fixed pitched vertical axis wind turbines (VAWTs) offer several potential advantages over the standard horizontal axis wind turbines which are now in common use worldwide. The purpose of this study was to determine the need for further research and develop on improved airfoil or blade characteristics for use on straight bladed fixed pitched VAWT. This need was demonstrated by the design and construction of an airfoil that was physically modeled and field tested. The test showed that asymmetric airfoils would enable SBVAWTs to self start.
Properties Of Wood Waste Stored For Energy Production, Isaac Slaven, Eva Haviarova, Daniel Cassens
Properties Of Wood Waste Stored For Energy Production, Isaac Slaven, Eva Haviarova, Daniel Cassens
Faculty Research & Creative Activity
Storage of wood biomass is not a new concern, but our current focus on using wood for renewable energy has brought it back to researchers’ attention. Since much of the past research done on pile storage relates to paper pulp chips, most of it dates to the 1960s and 1970s. Fiber shortages during that period caused increased interest in higher pulp yields (Zoch, Springer, & Hajny 1976). Further interest in the use of whole trees came about from the energy crisis of the late 1970s. Recent efforts by the government to create a U.S. energy portfolio rich in renewable resources …
Performance Modeling Of Distributed Collaboration Services, Toqeer A. Israr, Gregor V. Bochmann
Performance Modeling Of Distributed Collaboration Services, Toqeer A. Israr, Gregor V. Bochmann
Faculty Research & Creative Activity
This paper deals with performance modeling of distributed applications, service compositions and workflow systems. From the functional perspective, the distributed application is modeled as a collaboration involving several roles, and its behavior is defined in terms of a composition from several sub-collaborations using the standard sequencing operators found in UML Activity Diagrams and similar formalisms. For the performance perspective, each collaboration is characterized by a certain number of independent input events and dependent output events, and the performance of the collaboration is defined by the minimum delays that apply for a given output event in respect to each input event …
Algorithms To Automate Estimation Of Time Codes For Captioning Digital Media, Daniel Harvey, Peter Liu
Algorithms To Automate Estimation Of Time Codes For Captioning Digital Media, Daniel Harvey, Peter Liu
Faculty Research & Creative Activity
Procedures were developed to partially automate the captioning process by estimating caption time codes using plain-text transcripts and audio recordings. Signal analysis is performed on the audio to measure pause location and duration, zero crossing rate (ZCR), and obtain frequency domain data. Algorithms were developed to match pauses in the audio to the ends of sentences in the transcript based on the observation that pause durations are greater at ends of sentences than within sentences. We have observed that ZCR peaks correspond to consonants in speech and that continuous wavelet transforms (CWT) work well for distinguishing between groups of consonants. …
Algorithms To Automate Estimation Of Time Codes For Captioning Digital Media, Daniel P. Harvey Ii, Peter Ping Liu
Algorithms To Automate Estimation Of Time Codes For Captioning Digital Media, Daniel P. Harvey Ii, Peter Ping Liu
Faculty Research & Creative Activity
Procedures were developed to partially automate the captioning process by estimating caption time codes using plain-text transcripts and audio recordings. Signal analysis is performed on the audio to measure pause location and duration, zero crossing rate (ZCR), and obtain frequency domain data. Algorithms were developed to match pauses in the audio to the ends of sentences in the transcript based on the observation that pause durations are greater at ends of sentences than within sentences. We have observed that ZCR peaks correspond to consonants in speech and that continuous wavelet transforms (CWT) work well for distinguishing between groups of consonants. …
Automated Fixture Design For A Rapid Machining Process, Wutthigrai Boonsuk, Matthew C. Frank
Automated Fixture Design For A Rapid Machining Process, Wutthigrai Boonsuk, Matthew C. Frank
Faculty Research & Creative Activity
Rapid prototyping techniques for CNC machining have been developed in an effort to produce functional prototypes in appropriate materials. One of the major challenges for rapid machining is to develop an automatic fixturing system for securing the part during the machining process. The method proposed in this paper is the use of sacrificial fixturing, similar to the support structures in existing rapid processes like Stereolithography. During the machining process, sacrificial supports emerge incrementally and, at the end of the process, are the only entities connecting the part to the stock material. This paper presents methodologies for the design of sacrificial …
Automated Fixture Design For A Rapid Machining Process, Wutthigrai Boonsuk, Matthew Frank
Automated Fixture Design For A Rapid Machining Process, Wutthigrai Boonsuk, Matthew Frank
Faculty Research & Creative Activity
Rapid prototyping techniques for CNC machining have been developed in an effort to produce functional prototypes in appropriate materials. One of the major challenges for rapid machining is to develop an automatic fixturing system for securing the part during the machining process. The method proposed in this paper is the use of sacrificial fixturing, similar to the support structures in existing rapid processes like Stereolithography. During the machining process, sacrificial supports emerge incrementally and, at the end of the process, are the only entities connecting the part to the stock material. This paper presents methodologies for the design of sacrificial …
Sources Of Wood & Wood Residues For Energy Production In Indiana, Isaac Slaven, Eva Haviarova, Klein Ileleji
Sources Of Wood & Wood Residues For Energy Production In Indiana, Isaac Slaven, Eva Haviarova, Klein Ileleji
Faculty Research & Creative Activity
As energy prices rise and there is a push for energy to be produced from renewable resources, the contribution of Indiana’s corn and soybean industry often overshadows the impact that the State’s wood residues can have in response to these demands. Reports show that the wood products industry is the largest, by paid wages, of any agricultural industry in Indiana and employs 47,000 Indianans.1 In fact, Indiana has more than 4.5 million acres of forest land,2 compared to about 12.3 million acres of cropland.3 In addition to the millions of acres of forestland, Indiana has more than 1,600 wood products …
Sources Of Wood & Wood Residues For Energy Production In Indiana, Isaac Slaven, Eva Haviarova, Klein Ileleji
Sources Of Wood & Wood Residues For Energy Production In Indiana, Isaac Slaven, Eva Haviarova, Klein Ileleji
Faculty Research & Creative Activity
As energy prices rise and there is a push for energy to be produced from renewable resources, the contribution of Indiana’s corn and soybean industry often overshadows the impact that the State’s wood residues can have in response to these demands. Reports show that the wood products industry is the largest, by paid wages, of any agricultural industry in Indiana and employs 47,000 Indianans.1 In fact, Indiana has more than 4.5 million acres of forest land,2 compared to about 12.3 million acres of cropland.3 In addition to the millions of acres of forestland, Indiana has more than 1,600 wood products …
Sources Of Wood And Wood Residues For Energy Production In Indiana, Isaac Slaven, Eva Haviarova, Klein Ileleji
Sources Of Wood And Wood Residues For Energy Production In Indiana, Isaac Slaven, Eva Haviarova, Klein Ileleji
Faculty Research & Creative Activity
As energy prices rise and there is a push for energy to be produced from renewable resources, the contribution of Indiana’s corn and soybean industry often overshadows the impact that wood residues can have in response to these demands. Reports show that the wood products industry is the largest, by paid wages, of any agricultural industry in Indiana and employs 47,000 Hoosiers (Biocrossroads 2005). In fact, Indiana has more than 4.5 million acres of forest land (USDA FS, FIA 2005) compared to about 12.3 million acres of crop land (NASS 2006). In addition to the millions of acres of forestland, …
Sources Of Wood And Wood Residues For Energy Production In Indiana, Isaac Slaven, Eva Haviarova, Klein Ileleji
Sources Of Wood And Wood Residues For Energy Production In Indiana, Isaac Slaven, Eva Haviarova, Klein Ileleji
Faculty Research & Creative Activity
As energy prices rise and there is a push for energy to be produced from renewable resources, the contribution of Indiana’s corn and soybean industry often overshadows the impact that wood residues can have in response to these demands. Reports show that the wood products industry is the largest, by paid wages, of any agricultural industry in Indiana and employs 47,000 Hoosiers (Biocrossroads 2005). In fact, Indiana has more than 4.5 million acres of forest land (USDA FS, FIA 2005) compared to about 12.3 million acres of crop land (NASS 2006). In addition to the millions of acres of forestland, …
Enhancing Performance By Salvaging Route Reply Messages In On-Demand Routing Protocols For Manets, Rendong Bai, Mukesh Singhal, Yi Luo
Enhancing Performance By Salvaging Route Reply Messages In On-Demand Routing Protocols For Manets, Rendong Bai, Mukesh Singhal, Yi Luo
Faculty Research & Creative Activity
Researchers prefer on-demand routing protocols in mobile ad hoc networks where resources such as energy and bandwidth are constrained. In these protocols, a source discovers a route to a destination typically by flooding the entire or a part of the network with a route request (RREQ) message. The destination responds by sending a route reply (RREP) message to the source. The RREP travels hop by hop on the discovered route in the reverse direction or on another route to the source. Sometimes the RREP can not be sent to the intended next hop by an intermediate node due to node …
Enhancing Performance By Salvaging Route Reply Messages In On-Demand Routing Protocols For Manets, Rendong Bai, Mukesh Singhal, Yi Luo
Enhancing Performance By Salvaging Route Reply Messages In On-Demand Routing Protocols For Manets, Rendong Bai, Mukesh Singhal, Yi Luo
Faculty Research & Creative Activity
Researchers prefer on-demand routing protocols in mobile ad hoc networks where resources such as energy and bandwidth are constrained. In these protocols, a source discovers a route to a destination typically by flooding the entire or a part of the network with a route request (RREQ) message. The destination responds by sending a route reply (RREP) message to the source. The RREP travels hop by hop on the discovered route in the reverse direction or on another route to the source. Sometimes the RREP can not be sent to the intended next hop by an intermediate node due to node …
Performance Analysis Of Security Aspects In Uml Models, Dorin Bogdan Petriu, Dorina C. Petriu, C Murray Woodside, Jing Xiu, Toqeer A. Israr, Geri Georg, Robert B. France, James M. Bieman, Siv Holde Houmb, Jan Jurjens
Performance Analysis Of Security Aspects In Uml Models, Dorin Bogdan Petriu, Dorina C. Petriu, C Murray Woodside, Jing Xiu, Toqeer A. Israr, Geri Georg, Robert B. France, James M. Bieman, Siv Holde Houmb, Jan Jurjens
Faculty Research & Creative Activity
The focus of the paper is on the analysis of performance effects of different security solutions modeled as aspects in UML. Aspect oriented modeling (AOM) allows software designers to isolate and separately address solutions for crosscutting concerns, which are defined as distinct UML aspect models, then are composed with the primary UML model of the system under development. For performance analysis we use techniques developed previously in the PUMA project, which take as input UML models annotated with the standard UML Profile for Schedulability, Performance and Time (SPT), and transform them first into Core Scenario Model (CSM) and then into …