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Articles 31 - 45 of 45
Full-Text Articles in Engineering
Rebar Impalement Safety, Spencer C. Nefores, Steven M. Hoover
Rebar Impalement Safety, Spencer C. Nefores, Steven M. Hoover
Industrial and Manufacturing Engineering
This project is sponsored by Webcor with the purpose of finding a better solution to rebar impalement safety. The current rebar impalement safety caps being used by Webcor were found to frequently fall off after being installed. This results in workers being exposed to the hazard for longer than desired. The research that has been done by the team showed that rebar impalement is a serious hazard and results in injury or death every year. Site visits and interviews were performed to aid in understanding the problem and designing solutions. The customer needs, current state of the problem, existing solutions, …
Increasing Health And Safety Through The Utilization Of 4d Modeling, Rogan J. Wells
Increasing Health And Safety Through The Utilization Of 4d Modeling, Rogan J. Wells
Construction Management
Health and safety is one of the most important aspects of the construction industry. Every year there are thousands of work-related injuries in the construction industry. Avoiding these injuries is of the utmost importance on a jobsite. This paper will analyze how building information modeling, specifically the use of 4D building information modeling, can be utilized to increase the overall health and safety of construction jobsite. An exploratory survey was conducted amongst architecture, engineering, and construction industry professionals who hold a wide range of experience. The aim of this survey was to analyze their knowledge and experiences using building information …
Crime And Harassment On Public Transportation: A Survey Of Sjsu Students Set In International Context, Asha Weinstein Agrawal, Anastasia Loukaitou-Sideris, Cristina Tortora, Yajing Hu
Crime And Harassment On Public Transportation: A Survey Of Sjsu Students Set In International Context, Asha Weinstein Agrawal, Anastasia Loukaitou-Sideris, Cristina Tortora, Yajing Hu
Mineta Transportation Institute
Communities around the world are gradually becoming aware that transit riders, and especially women, are often victims of a wide range of offenses of a sexual nature that happen on buses and trains, and at bus stops and train stations. Better understanding the extent and nature of sexual harassment on transit is a critical issue for transit operators and society at large. If fear of sexual crime limits if and how people ride transit, the result is reduced mobility for certain segments of the population, as well as lost ridership for transit agencies.
For this study, we surveyed 891 students …
Empirical Analysis Of Trends In Runway Incursions In The United States From 2001 To 2017, David C. Ison
Empirical Analysis Of Trends In Runway Incursions In The United States From 2001 To 2017, David C. Ison
Journal of Aviation Technology and Engineering
Runway incursions, events in which an aircraft, vehicle, or person is located on a runway surface without authorization, continue to be a constant threat to aviation safety. Previously identified on the ‘‘Most Wanted’’ list of aviation safety issues by the National Transportation Safety Board, the Federal Aviation Administration (FAA) has spent significant amounts of money and effort to address runway incursions. Little empirical evidence has been collected on the effectiveness of such efforts. Moreover, the data that are available provide a confusing landscape of contradicting findings. Some FAA publications claim that runway incursions are decreasing while the evidence provided in …
Repairer Reporting System User Analysis For Sms Compliance In Aviation Maintenance, Mark D. Miller, Bettina Mrusek
Repairer Reporting System User Analysis For Sms Compliance In Aviation Maintenance, Mark D. Miller, Bettina Mrusek
Publications
To resolve the issue of human error in maintenance the REPAIRER reporting system is revisited as it has great potential by combining a human factors analysis with a risk management safety reporting mechanism. It is also timely as a human factors centered safety reporting method like the REPAIRER could now be feasibly implemented through the new mandatory FAA (Federal Aviation Administration) FAR 121 requirement to use SMS (Safety Management System) pillars and through the new FAA MxHF human factors training. With the current FAA support in place and the ever growing need to add human factors to combat human error …
A Multi-Constraint Predictive Control System With Auxiliary Emergency Controllerfor Autonomous Vehicles, Farhad Partovi Ebrahimpour
A Multi-Constraint Predictive Control System With Auxiliary Emergency Controllerfor Autonomous Vehicles, Farhad Partovi Ebrahimpour
Graduate Research Theses & Dissertations
In the last few years, several research groups and companies have worked on developing autonomous vehicles. Among the first automation layers, the safety layer plays a significant role in this field. However, considering safety should not diminish the importance of the efficiency of the vehicle in terms of path tracking with the desired speed. This thesis introduces a multi-constraint predictive control algorithm along with a safety layer to guarantee object avoidance in emergency situations. First, there is a quick review of autonomous cars and their functionalities. In the following, a controller switching mechanism is proposed and designed. It switches the …
A Preliminary Investigation Of Maintenance Contributions To Commercial Air Transport Accidents, Fatima Najeeb Khan, Ayiei Ayiei, John Murray, Glenn Baxter, Graham Wild
A Preliminary Investigation Of Maintenance Contributions To Commercial Air Transport Accidents, Fatima Najeeb Khan, Ayiei Ayiei, John Murray, Glenn Baxter, Graham Wild
Research outputs 2014 to 2021
© 2020 by the authors. Licensee MDPI, Basel, Switzerland. Aircraft maintenance includes all the tasks needed to ensure an aircraft’s continuing airworthiness. Accidents that result from these maintenance activities can be used to assess safety. This research seeks to undertake a preliminary investigation of accidents that have maintenance contributions. An exploratory design was utilized, which commenced with a content analysis of the accidents with maintenance contributions (n = 35) in the official ICAO accident data set (N = 1277), followed by a quantitative ex-post facto study. Results showed that maintenance contributions are involved in 2.8 ± 0.9% of ICAO official …
Covid-19 And Public Transportation: Current Assessment, Prospects, And Research Needs, Alejandro Tirachini, Oded Cats
Covid-19 And Public Transportation: Current Assessment, Prospects, And Research Needs, Alejandro Tirachini, Oded Cats
Journal of Public Transportation
The COVID-19 pandemic poses a great challenge for contemporary public transportation worldwide, resulting from an unprecedented decline in demand and revenue. In this paper, we synthesize the state-of-the-art, up to early June 2020, on key developments regarding public transportation and the COVID-19 pandemic, including the different responses adopted by governments and public transportation agencies around the world, and the research needs pertaining to critical issues that minimize contagion risk in public transportation in the so-called post-lockdown phase. While attempts at adherence to physical distancing (which challenges the very concept of mass public transportation) are looming in several countries, the latest …
Analysis Of Runway Incursion Trends: Implications For Cost-Benefit Analysis Of Mitigation Investments, David C. Ison
Analysis Of Runway Incursion Trends: Implications For Cost-Benefit Analysis Of Mitigation Investments, David C. Ison
International Journal of Aviation, Aeronautics, and Aerospace
This causal-comparative and correlation study investigated the costs of runway incursion safety improvements in relation to their effectiveness to assess potential aviation system benefits.Two airports (Los Angeles International and Dallas-Ft. Worth International), which were early adopters of Runway Status Lights (RWSL), a runway incursion technology, were targeted in this analysis. Findings indicated that there were no significant differences in counts or rates of Category A, B, and D incursions at LAX and DFW when comparing the time periods before versus after RWSL installation. Category C counts and rates were found to have increased significantly after RWSL installation. The findings of …
Managing Safety Risks In Airline Maintenance Outsourcing, Rajee Olaganathan Dr., Mark Miller Dr., Bettina M. Mrusek Dr.
Managing Safety Risks In Airline Maintenance Outsourcing, Rajee Olaganathan Dr., Mark Miller Dr., Bettina M. Mrusek Dr.
International Journal of Aviation, Aeronautics, and Aerospace
The U.S aviation industry faced severe financial losses after the 9/11 incident. The financial loss that occurred between 2000 and 2009 in the U.S. alone was $54 billion dollars. One of the operational strategies adopted by air carriers to overcome this hurdle was to outsource aircraft maintenance. Initially, this was accomplished in both home and off-shore locations. Unionized labor relations in the US ultimately forced these organizations to outsource to non-unionized labor sources in foreign countries. However, due to the upsurge in accidents and incidents that resulting from maintenance failures, the concept of outsourcing maintenance became a subject of debate …
Risk - A Multi-Layered Approach, Peter S. Neff
Risk - A Multi-Layered Approach, Peter S. Neff
International Journal of Aviation, Aeronautics, and Aerospace
This article discusses the relationship between the mandates to achieve increased operational safety and the application of risk management strategies. That commercial airlines must operate at the highest level of safety is mandated by statute. FAA regulation, 14 CFR part 5, outlines the FAA response to the requirements of ICAO Annex 19, Safety Management, by establishing requirements for certificate holders to develop a Safety Management System with 4 components: (a) Safety Policy; (b) Safety Risk Management; (c) Safety Assurance; and (d) Safety Promotion. Safety is a tangible and intangible element foundational to the successful commercial airline sector. A structured multi-layered …
Integrated Dentistry Face Shield, Noah Glass
Integrated Dentistry Face Shield, Noah Glass
Williams Honors College, Honors Research Projects
Currently, the United States and the entire world is experiencing a global pandemic that has drastically changed the way we go about our everyday lives. Dr. Pavlik, a local dentist is one such person who has had to alter his normal dentistry routine to one of extreme caution while working on patients. His day to day job puts him at a high risk of being exposed to Covid-19 by actively working in patients’ mouths at proximity. Dr. Pavlik’s current dentistry equipment is lackluster in its compatibility with his safety equipment. To help minimize exposure to Covid-19 for Dr. Pavlik and …
Vehicle Operator Attention Monitor, Matthew Krispinsky, Matt Marsek, Matthew Mayfield, Brian Call
Vehicle Operator Attention Monitor, Matthew Krispinsky, Matt Marsek, Matthew Mayfield, Brian Call
Williams Honors College, Honors Research Projects
Motor vehicle operators’ attention levels can be monitored to improve driver safety. By recording and analyzing the drivers eye gaze, hand position, vehicle speed and engine rpm the driver’s attention can be determined. A Raspberry Pi will be the main processing unit. Data will be pulled and analyzed from the OBD-II port on vehicle speed and engine rpm. The system will be powered from a 12V, 4A pin on the OBD-II port connected to the car battery. A webcam will be used to track the pupil location and determine when the driver is looking at the road. A battery powered …
Impact Of Increased Precipitation On Midwestern Construction, Monica Feltman
Impact Of Increased Precipitation On Midwestern Construction, Monica Feltman
Williams Honors College, Honors Research Projects
This paper presents the current impact of increased precipitation in the Midwest on the construction industry. Mainly, the impact on jobsite safety, increasing insurance rates, and the resulting changes in design codes, or lack thereof. The goal of this independent research is to gather a better understanding of the influence of these changes, because only then can one accurately seek to combat their harmful effects. As a vital element of the global economy, the construction industry must be conscious of their changing relationship with the environment around them. Therefore, understanding the affects of harmful climate change, will increase awareness of …
Fatigue Identification And Management In Flight Training Among Collegiate Aviation Pilots, Flavio Mendonca Ph.D., Julius Keller Ph.D., Michael Robertson Ph.D., Matt Romero
Fatigue Identification And Management In Flight Training Among Collegiate Aviation Pilots, Flavio Mendonca Ph.D., Julius Keller Ph.D., Michael Robertson Ph.D., Matt Romero
Publications
Objective: The purpose of this study was fivefold: to investigate the symptoms that would prompt collegiate aviation pilots perceive they are fatigued; to investigate the time of the day they are most fatigued; to investigate their academic and personal schedules; to investigate the methods collegiate aviation pilots utilize to ensure they are fit to fly; and to investigate whether they have received any academic and/or flight fatigue identification and management training.
Background: Fatigue is a pervasive safety hazard in aviation affecting several aspects of flight crew members’ ability to perform their job. Fatigue in aviation and its consequences has been …