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 10 of 10 for “"Active Trailer Steering (ATS)"”.
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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 and validation of active trailer steering systems for articulated heavy vehicles using driver-hardware-in-the-loop real-time simulation
… and high-speed lateral stability of Double Trailer Articulated Heavy Vehicles (DTAHVs), an Active Trailer Steering (ATS) system has been designed. To date, investigations on ATS systems are mainly focused on numerical simulations. To advance this research towards real-world applications, a …
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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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Robust controller design for active trailer steering systems of articulated vehicles using multi-objective optimization
… an approach to the robust controller design for active trailer steering (ATS) systems to increase the safety of articulated vehicles. By applying a multi-objective evolutionary algorithm (MOEA) to the design optimization of the robust ATS controller, a series of optimal gain values can be …
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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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Design synthesis of articulated heavy vehicles with active trailer steering systems
… for 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 …
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Design of active trailer steering systems for long combination vehicles using robust control techniques
… motion modes, such as rollover, jack-knifing and trailer sway, which has escalated strong concerns regarding their safety. Therefore, it is imperative to develop safety systems with a focus on improving stability, and ensuring safety of LCVs. Active safety systems such as Active Trailer Steering …
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Parallel design optimization of multi-trailer articulated heavy vehicles with active safety systems
Multi-trailer articulated heavy vehicles (MTAHVs) exhibit unstable motion modes at high speeds, including jack-knifing, trailer swing, and roll-over. These unstable motion modes may lead to fatal accidents. On the other hand, these vehicle combinations have poor maneuverability at low speeds. Of …
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A wireless communication based active safety system for articulated heavy vehicles
To date, various active safety systems, have been developed to improve the safety of road vehicles. This dissertation presents a novel active trailer steering (ATS) system using wireless communication to exchange data among controllers and sensors allocated on the leading and trailing units of an …
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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 …