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 103 for “"Safety Systems"”.
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Radar-based Environment Perception for Pre-Crash Safety Systems
… environment perception from the vehicle safety point of view are presented. The proposed methods comprise advanced topics of radar-based target detection and tracking in dynamic pre-crash scenarios, as well as ghost object identification. The problem of a wandering dominant scatter point …
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Driver behavior classification and lateral control for automobile safety systems
Advanced driver assistance systems (ADAS) have been developed to help drivers maintain stability, improve road safety, and avoid potential collision. The data acquisition equipment that can be used to measure the state and parameter information of the vehicle may not be available for a standard …
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Safety Systems, Culture, and Passengers’ Willingness to Fly in Autonomous Air Taxis
… passengers’ perceptions, researchers found that safety was among the top passenger concerns. The international market complicates the matter, as research indicates people from different nations differ in their willingness to fly in autonomous aircraft. Past research hypothesized that individuals’ …
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Artificial Neural Network and Dynamic Probabilistic Risk Assessment for passive safety systems
… (DPRA) as advanced methodologies for the safety assessment of passive safety systems, particularly in mitigating Loss of Coolant Accidents (LOCAs). While using the BWRX-300 SMR, the study highlights the broader applicability of these techniques to enhance traditional Probabilistic Safety …
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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 system …
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Evaluation of the Safety Systems in the Next Generation Boiling Water Reactor
The thesis evaluates the safety systems in the next generation boiling water reactor by analyzing the main steam line break loss of coolant accident performed in the Purdue university multi-dimensional test assembly (PUMA). RELAP5 code simulations, both for the PUMA main steam line break (MSLB) …
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Dynamic modeling of vertical U-tube steam generators for operational safety systems
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1982.
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Parallel design optimization of multi-trailer articulated heavy vehicles with active safety systems
… 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 braking …
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The impact of passive safety systems on desirability of advanced light water reactors
… light water reactor designs with passive safety systems are more desirable than advanced reactor designs with active safety systems from the point of view of uncertainty in the performance of safety systems as well as the economic implications of the passive safety systems. Two advanced …
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Dynamic fuzzy reliability and safety assessment of passive safety systems in small modular reactors
… advantage associated with SMRs is their improved safety, which is expected to be accomplished by integrating a wide range of novel design elements, such as Passive Safety Systems (PSS) and components. Passive safety systems rely on natural processes rather than active intervention, hence …
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Development and Improvement of Active Vehicle Safety Systems by Means of Smart Tire Technology
… instability scenarios, various vehicle control systems e.g. anti-lock brakes (ABS), stability controllers (ESP, ESC) or rollover mitigation schemes are introduced, which are generally known as active vehicle safety systems. Based on the above facts, one can easily come to the conclusion that to …
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Examination of occupational health and safety systems in selected mining companies on the Copperbelt province of Zambia
… Study sought to examine Occupational Health and Safety systems of selected mining companies on the Copperbelt Province of Zambia. The mining industry is expected to comply with the ISO 45001 on occupational health and safety. ISO 45001 is an ISO standard for management systems of occupational …
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Assessment of Effectiveness of Health and Safety Systems in Construction Industry: A Case Study Lee Construction Ltd
… However, it is still not yet known how the systems have done in terms of effectiveness of health and safety. The specific objectives were; to assess effectiveness of health and safety systems in Lee Construction Ltd; to assess the perception of workers about the status of health and safety …
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Methods for comparative assessment of active and passive safety systems with respect to reliability, uncertainty, economy, and flexibility
Passive cooling systems sometimes use natural circulation, and they are not dependent on emergency AC power or offsite power, which can make designs simpler through the reduction of emergency power supplying infrastructure. The passive system approach can lead to substantial simplification of the …
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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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Design synthesis of car-trailer systems with active trailer differential braking strategies.
… 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 following innovative …
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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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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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Risk Cultures, Beef Traceability, and Food Safety in the United States and Zambia
Understanding ways of improving the safety of food is an important area of research. In this project, I explore the history of the food safety systems in the United States and the Republic of Zambia. Focusing on the traceability of meat (as a form of risk management), I reveal the factors shaping …
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