Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 98 for “"cab"”.
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Semiactive Cab Suspension Control for Semitruck Applications
… vibrations an occupant of a class 8 semitruck cab sleeper is exposed to by improving the ride quality. Unlike prior research in the area of ride comfort that target the chassis or seat suspension, this work focuses on the cab suspension. The current standard in cab suspensions is comprised of …
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Vibration Modeling and Experimental Analysis of a Locomotive Cab
… and vibrations in a heavy freight locomotive cab, and provides several measures for providing more comfort to the crew. A full-scale production cab and sill structure is used to provide the results. The cab is setup in a controlled laboratory environment in a manner similar to the installation …
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Active Minimization of Acoustic Energy Density in a Mock Tractor Cab
… engine firing frequency inside heavy equipment cabins. The ANC system was based on a version of the filtered-x LMS adaptive algorithm, modified for the minimization of acoustic energy density (ED), rather than the more traditional minimization of squared acoustic pressure (SP). Three …
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Preview information in locomotive in-cab displays for high-speed trains
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1997.
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Effects of Frame Design and Cab Suspension on the Ride Quality of Heavy Trucks
Frame and cab suspension designs of Class 8 heavy trucks were investigated to see their effects on ride comfort. Four trucks were used in this study, each with a different frame: a factory low frame, a lightweight low frame, a factory high frame, and a lightweight high frame. There were two …
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An Investigation of Auditory Icons and Brake Response Times in a Commercial Truck-Cab Environment
… The use of auditory icons in commercial truck cabs has the potential to increase the number of auditory displays that can be distinguished and understood by commercial vehicle operators, and this experiment sought to determine the utility of auditory icons in that situation. Nine auditory icons …
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The Effect of Directional Auditory Cues on Driver Performance in a Simulated Truck Cab Environment
A human factors experiment was conducted to investigate the potential benefits of using directional auditory cues in intelligent transportation system technologies in commercial vehicles. Twelve licensed commercial vehicle operators drove a commercial truck-driving simulator and were prompted to …
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Intelligibility of synthesized voice messages in commercial truck cab noise for normal-hearing and hearing-impaired listeners
… of a currently produced heavy truck, and truck cab noise with added background speech. A quiet condition was also investigated. During recording of the truck noise for the experiment, in-cab noise measurements were obtained. According to OSHA standards, these data indicated that drivers of the …
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Behavior Rating Scales as Screeners for Autism? A Closer Look at the CAB-P and CBCL/1.5-5
In recent years, autism diagnoses have steadily increased, putting a substantial emphasis on early identification as a crucial component for intervention. Autism diagnoses, however, often require a thorough and comprehensive assessment from a highly trained practitioner. Although ideal, such …
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From Turkeys To Tamales: Paleoindian To Preclassic Period Faunal Use At Maya Hak Cab Pek Rockshelter In Southern Belize
… began excavations at the rockshelter Maya Hak Cab Pek (MHCP). The site has evidence for human activities from the Paleoindian period (11,500 BC to 8,000 BC) through the Preclassic Maya period (2,000 BC to AD 250). This research uses zooarchaeological analysis to investigate animal use in the …
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Experimentally-Based Analytical Prediction of Structural Vibration
… mounting systems in a heavy freight locomotive cab, and provides an analytical method for the prediction of structural vibration. The cab is set up in a controlled laboratory environment in a manner similar to the installation on a locomotive. Field measurements are used to emulate actual …
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Environmental Context Effects on Impulsivity and Subjective Craving in Caffeinated Alcohol Users
<p>Caffeinated alcohol beverages (CAB) (e.g., vodka and Red Bull, rum and Coke) have become increasingly popular among young drinkers. Research indicates that consumption of caffeinated alcohol is associated with higher reports of injuries requiring medical attention, engaging in more risky …
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Sharia enterprise theory sebagai pilar pengungkapan corporate social responsibility di perbangkan syariah: Studi kasus pada PT. Bank Syariah Mandiri Cab. Malang
… ini diambil pada PT. Bank Syariah Mandiri Cab. Malang. Teknis analisis data yang digunakan adalah metode analisis deskriptif. Hasil penelitian menunjukkan bahwa pengungkapan Corporate Social Responsibility di Bank Syariah Mandiri masih bersifat voluntary. Namun, Bank Syariah Mandiri telah …
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Caffeinated Alcohol Use in a Daily Context
<p>Caffeinated alcoholic beverage (CAB) use is associated with a range of substance-related problems. Few have examined socio-environmental and cognitive factors that may relate to CAB use and influence associations between use and negative consequences. Moreover, much research on CABs has been …
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Development and evaluation of a colorimetric coliphage assay detection system
… (LCPA) method and a Colorimetric Agar-Based (CAB) method was developed to overcome the limitations imposed by the Standard Methods for the Examination of Water and Wastewater agar-based coliphage method (APHA method). Both CCADS methods are based on the induction of β-galactosidase in …
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Evaluating The Effectiveness Of Training System Approaches For Highly Complex Flight Training
… with two modes (motion and no motion) of a cab training system with large screen for various aviation flying tasks. While much research on this topic has been done in the past, advances in technology have significantly altered what is considered a "low-cost" "simulator." The technology …
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Blends of Biodegradable Thermoplastics With Lignin Esters
… thermoplastics were cellulose acetate butyrate (CAB), poly-hydroxybutyrate (PHB), poly-hydroxybutyrate-co-valerate (PHBV), and a starch-caprolactone blend (SCL). Lignin esters included acetate (LA), butyrate (LB), hexanoate (LH), and laurate (LL). Blend characteristics were analyzed in terms of …
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Cellulose-based fibers from liquid crystalline solutions
… (CA) and lowest for cellulose acetate butyrate (CAB) with highest degree of butyration. This is opposite to the classical model by Flory which predicts an increase in V<sub>p</sub><sup>c</sup> with decreasing aspect ratio (L/d). Fibers were spun from isotropic and anisotropic DMAc solutions of …
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A systems approach for developing, designing, and transitioning moving map technology in U.S. rail applications
… development, design, and transition for in-cab display technologies. The needs and goals of the moving map, a representative in-cab display technology, are characterized via an analysis of the stakeholders and other socio-technical influences. These activities are conducted in parallel with …
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