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 51 for “"Active Safety"”.
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Model-Based Vehicle Dynamics Control for Active Safety
… increasingly dependent on control systems. Active safety is an area in which control systems play a pivotal role. Currently, rule-based control algorithms are widespread throughout the automotive industry. In order to improve performance and reduce development time, model-based methods may …
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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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High-speed optics based depth mapping for automated active safety system
The usage of image processing in automotive active safety systems has increased dramatically in the recent decades. Main interest of the digital signal processing has been in the area of communications or networks, but with various advancements in the digital image processing, new type of …
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Coordinated control of active safety systems for multi-trailer articulated heavy vehicles
… 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 for optimal overall performance. The coordinated control …
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Parallel design optimization of multi-trailer articulated heavy vehicles with active safety systems
… through the design optimization of MTAHVs with active safety systems. A parallel design optimization (PDO) method is developed and applied to the design of MTAHVs with integrated active safety systems, which involve active trailer steering (ATS) control, anti-roll (AR) control, differential …
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Autonomous driving control strategies for multi-trailer articulated heavy vehicles with active safety system
… automated driving strategies and integrated active control system for multi-trailer articulated heavy vehicles (MTAHVs) to enhance road transport efficiency, directional performance, and safety. To this end, a MTAHV with the configuration of A-train double was selected to be the subject …
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Determination of Sensors Characteristics of Curb and Development of Surrogate Curb for the Evaluation of Vehicle Active Safety Systems
… technologies have emerged, which have enhanced safety and reliability measures. The Automotive world is now trying to build capabilities for driverless or vehicle assisted driving. Building capabilities for driverless cars practically means first developing training methods, then training the …
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A method of active system safety
The concept of Active Safety proposed originally by Prof Schagaev [3][4][5][6] can be applied to provide additional improvement in safety of a system over its operational lifecycle by continuous analysis and assessment of the state of the system in real time of its operation and reacting …
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Design synthesis of car-trailer systems with active trailer differential braking strategies.
… 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 following innovative investigations have been conducted: 1) a comparative …
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Design and analysis of active aerodynamic control systems for increasing the safety of high-speed road vehicles
The lateral stability and the safety of road vehicles is dependent on the vehicle design and operating conditions. Under operating conditions such as slippery roads, high lateral acceleration and tight cornering, the forces and torques due to the interactions between the tire and road may be …
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Effectiveness of Automatic Emergency Braking for Protection of Pedestrians and Bicyclists in the U.S.
… have been trending upward. Vehicle-based active safety features could avoid or mitigate crashes with VRUs, but are highly dependent on the ability to detect a VRU with enough time or distance. This work presents methods to examine the characteristics of vehicle-pedestrian and …
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Methodology for Determining Crash and Injury Reduction from Emerging Crash Prevention Systems in the U.S.
… of traffic crashes, automakers are developing active safety systems, which aim to prevent or mitigate collisions. These systems are expensive to develop and as a result automakers and regulators are motivated to forecast the potential benefits of a proposed safety system before it is widely …
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Safety Assurance for Automated Vehicles Beyond Collision Avoidance
… thousands of deaths and injuries. Autonomous safety systems have the potential to greatly reduce this tragic loss of life and improve safety, but such systems must meet existing requirements for automotive certification. Particularly, active safety systems must designed to comply with the …
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Effectiveness of Intersection Advanced Driver Assistance Systems in Preventing Crashes and Injuries in Left Turn Across Path / Opposite Direction Crashes in the United States
… fatal crashes in the United States each year. Active safety systems have the potential to reduce crashes and injuries across all crash modes by partially or fully controlling the vehicle in the event that a crash is imminent. The objective of this thesis was to evaluate crash and injury …
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Increasing Computational Efficiency of Pre-Crash Simulations Using Detailed and Simplified Occupant Models
Active safety systems challenge the ability to evaluate occupant injury assessment through simulation as these technologies extend the window of interest in a collision from the typical 150-200 msec crash event to 1000 or more msec. Human body models (HBMs) provide researchers with information on …
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Development of active trailer steering systems for pickup truck-trailer combinations
… to remain a subject of 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 …
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Lateral stability analysis and MPC tracking control for articulated heavy vehicles
… above trade-off analysis, this study designs an active safety technique in terms of a tracking-controller based on nonlinear model predictive control (NLMPC) for autonomous AHVs. With the proposed tracking-controller, the AHV tracks the predefined reference path and follows a planned forward …
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A petri net based model for AEB systems considering vehicle and pedestrian/cyclist in a certain area
… have been developed by the Transportation Active Safety Institute (TASI). A set of tests, both for performance of vehicle equipped with AEB systems and for harmonization of surrogates, have been conducted under different scenarios with different variables which include cyclist speed, …
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Automotive electronics business
… industry, due to the trend to introduce active safety systems, concerns about protecting the environment, and advances in information technology, key automotive manufacturers are eager to acquire new enabling technologies which can provide solutions for these issues. As a result, the …
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Exploring machine learning techniques using patient interactions in online health forums to classify drug safety
… from online message forums to predict drug safety using natural language processing and machine learning techniques. Drug safety is defined as any drug with an active safety alert from the US Food and Drug Administration (FDA). It is believed that this is the first exploration of patient …
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