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.
Results
Showing 1 to 20 of 141 for “"Trailer"”.
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Development of active trailer steering systems for pickup truck-trailer combinations
… concern in the design of safety systems. Vehicle-trailer combinations tend to exhibit low lateral stability and poor maneuverability, especially under high-speed maneuvers, which lead to unstable motion modes such as jackknifing, trailer sway and rollover. Active safety systems such as Active …
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Design synthesis of car-trailer systems with active trailer differential braking strategies.
… for improving the lateral stability of car trailer (CT) systems. Is a linear-model-based controller applicable to active safety systems for CT systems under emergency operating conditions, such as an evasive maneuver at high lateral accelerations? In order to address the problem, the …
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Design optimization of active trailer differential braking systems for car-trailer combinations
The thesis studies active trailer differential braking (ATDB) systems to improve the lateral stability of car-trailer (CT) combinations. CT combinations exhibit unique unstable motion modes, including jack-knifing, trailer sway, and roll-over. To address this CT stability problem, two ATDB …
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Lightweight Composite Trailer Design
… lightweight composite materials in road freight trailer design as a means of reducing the emissions of the road freight industry. A comprehensive review of previous lightweight composite trailers and related projects was conducted; it concluded that the application of composites in trailers …
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Fault tolerant control of active trailer steering systems for multi-trailer articulated heavy vehicles
… This thesis focuses on FTC systems for Multi-Trailer Articulated Heavy Vehicles (MTAHVs), particularly for Active Trailer Steering (ATS) systems. MTAHVs are vital to the trucking industry, and it is crucial to enhance their safety, reliability and usability. In this research, a 4-DOF linear …
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Extra-light log trailer design
A mechanical design of an ultra-light log trailer was performed. The design process necessitated the experimental measurement of dynamic loads exerted on a log trailer and a comprehensive stress analysis of the structure. Two light-weight, prototype, log trailers were selected to be studied, after …
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Designing ”Fugaci” , a modular, multifunctional trailer
Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD system
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Routing methods for twin-trailer trucks
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1986.
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Autonomous Tractor-Trailer Stopping and Jackknifing Dynamics
… cars, developing an autonomous for tractor-trailers is the next step for driverless roads. Tractor-trailers are heavy, large, and have a pivot joint between the tractor and trailer that makes the movement between the two more complicated. The purpose of the research presented here is to …
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Cross media promotion: entertainment industries and the trailer
… witness to a phenomenon: the use of promotion trailers for a variety of products. Both stage theatre and the publishing industries came under the media spotlight for using trailers to promote their wares throwing into sharp contrast the normativity of film trailers. Despite increased academic …
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Vision-based trailer pose estimation for articulated vehicles
… such as autonomous reversing and path-following trailer steering can mitigate this, but practical limitations of the available sensing technologies restrict their commercialisation potential. This dissertation describes the development of practical vision-based articulation angle and trailer …
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Design of robust active trailer steering controllers for multi-trailer articulated heavy vehicles using software/hardware-in-the-loop real-time simulations
… economic and environmental benefits, Multi-Trailer Articulated Heavy Vehicles (MTAHVs) have been frequently adopted by the trucking industry. Despite the above advantages, MTAHVs exhibit two particular challenges concerning road safety. MTAHVs exhibit poor maneuverability at low speeds and …
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Evaluation of trailer thermal environment during commercial swine transport
… exist which document conditions within transport trailers. To better characterize the thermal environments experienced by trailered pigs during hot, mild, and cold weather, The National Pork Board commissioned this observational study to evaluate the thermal environment during commercial pig …
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Design of a Trailer Capable, Open Ocean Sailing Yacht
… are proposed. Design requirements pertaining to trailer capability, seaworthiness, and vessel intended use are developed, and a multi-criteria decision-making method is employed to down-select to preferred options in key functional areas of the design. From there, an iterative point-based design …
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Trailer Park Royalty: Southern Child Beauty Pageants, Girlhood and Power
Child beauty pageants are a phenomenon in rural communities throughout Georgia. My belief is that most of those who compete in these pageants are from the lower socio-economic bracket, participating for a multitude of reasons. A bricolage of post-structural feminism, critical ethnography, critical …
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Design synthesis of articulated heavy vehicles with active trailer steering systems
… articulated heavy vehicles (AHVs) with an active trailer steering (ATS) system is examined and evaluated. Due to their heavy weights, large sizes, and complex configurations, AHVs have poor maneuverability at low speeds, and low lateral stability at high speeds. Various passive trailer steering …
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Models to predict dynamic response of motorcycles with a outrigger & trailer
… The first looks at how the addition of a large trailer affects the turning ability, stability, and power delivery of a motorcycle. The trailer is modeled as a single body system consisting of a single axle and large load and to attached by a definable hitch mounted near the rear wheel of the …
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Coordinated control of active safety systems for multi-trailer articulated heavy vehicles
To improve the directional performance of multitrailer articulated heavy vehicles (MTAHVs), the model-based active safety systems, including the active trailer steering, trailer differential braking and the active roll control are developed. The active safety systems are integrated and coordinated …
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Enhancement of lateral stability of car-trailer systems using model-reference adaptive control
Car-Trailer (CT) systems exhibit reduced maneuverability in curved-path negotiations and display low lateral stability under high-speed evasive maneuvers. Therefore, the objective of this thesis is to design a Lyapunov-Stability-based Model Reference Adaptive Controller (MRAC) for an active trailer …
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