Means Of Transport Research Articles

Determinants of the Utilization of Skilled Birth Attendance among Women in Ogun East Senatorial District, Nigeria: A Rural-Urban Comparison

Background: Every woman needs access to skilled care during pregnancy, childbirth, and the following weeks. Recent estimates show that the proportion of deliveries attended by a skilled attendant in many African countries remains low. Objective: To identify the determinants of utilising skilled birth attendance (SBA) among women in Ogun East Senatorial District of Nigeria. Methods: A comparative, cross-sectional study was conducted among 375 women in each rural and urban community selected using multistage sampling. A pretested interviewer-administered, structured questionnaire was used for data collection. Results: A higher proportion of urban respondents (67.7%) utilised SBA compared to rural respondents (53.6%), p<0.001. The determinants of utilisation of SBA services included proximity and means of transportation to the facility (p<0.001). On multivariate analysis, health problems in the preceding pregnancy (AOR = 8.183, 95% CI = 2.621-25.545) and spousal support (AOR = 6.909, 95% CI = 2.013-23.705) remained significant determinants of utilisation of SBA in the rural area but not in the urban area. Conclusion: Rural dwellers face significant barriers in accessing the services of skilled birth attendance. Improving transportation infrastructure, engaging spouses in maternal health education and managing health problems during pregnancy could enhance SBA utilisation and reduce rural-urban disparities.

Attribute annotation and bias evaluation in visual datasets for autonomous driving

This paper addresses the often overlooked issue of fairness in the autonomous driving domain, particularly in vision-based perception and prediction systems, which play a pivotal role in the overall functioning of Autonomous Vehicles (AVs). We focus our analysis on biases present in some of the most commonly used visual datasets for training person and vehicle detection systems. We introduce an annotation methodology and a specialised annotation tool, both designed to annotate protected attributes of agents in visual datasets. We validate our methodology through an inter-rater agreement analysis and provide the distribution of attributes across all datasets. These include annotations for the attributes age, sex, skin tone, group, and means of transport for more than 90K people, as well as vehicle type, colour, and car type for over 50K vehicles. Generally, diversity is very low for most attributes, with some groups, such as children, wheelchair users, or personal mobility vehicle users, being extremely underrepresented in the analysed datasets. The study contributes significantly to efforts to consider fairness in the evaluation of perception and prediction systems for AVs. This paper follows reproducibility principles. The annotation tool, scripts and the annotated attributes can be accessed publicly at https://github.com/ec-jrc/humaint_annotator.

Dense Water Production in Storfjorden, Svalbard, From a 1‐Year Time Series of Observations and a Simple Model: Are Polynyas in a Warming Arctic Exporting Heat to the Deep Ocean?

AbstractThe formation of dense Brine‐enriched Shelf Water (BSW) in Storfjorden is analyzed during Winter 2016–2017 from mooring observations, a polynya model nudged to satellite observations, and an original BSW production model. The ice season was two months shorter than average, yet 44.2 of sea ice were formed, in line with estimates for the period preceding the atlantification of the Barents Sea in the mid‐2000s: A thinner, more fragile ice may favor polynya openings and frazil ice production. A saline specimen of BSW was produced in large volumes, corresponding to an annual mean transport of 0.042 Sv, larger than previous estimates. The important production is due to the preconditioning of the polynya with a more saline source water, exceeding the pre‐2005 values by 0.37. The BSW overflow was observed on the West Spitsbergen shelf slope from hydrographic sections down to 750 m, thus entering the Norwegian Sea Deep Water layer. Its core temperature was about C warmer than the pre‐2005 values owing to the entrainment of a warmer water in Storfjordrenna, suggesting that a part of the excess surface heat of the Barents Sea could be exported into the deep ocean. Overall our results suggest that dense water formation in the Storfjorden polynya may not, at least for now, be hampered by the atlantification of the Barents Sea, and perhaps even temporarily favored by the more saline source water. Anomalous atmospheric warming during the Winter‐Spring may however disrupt the production, as was observed 1 year before.

ERGONOMIC AND LOGISTIC ENSURING THE REQUIREMENTS FOR THE COMFORT DURING THE ORGANIZATION OF PASSENGER TRANSPORTATION IN A SMALL-CAPACITY BUS

Purpose. The most important advantage of passenger transport by road is the high quality of transport service, which depends on the organization of the transport process, structural features and technical condition of the rolling stock used and the route, the development of the route network and other factors. Comfort reflects the properties of bus passenger transportation, which lead to the creation of the necessary service conditions and convenience for passengers in the bus, at the start-end and transit points on the basis of regulatory documents approved in the prescribed manner. Features of the design of small-capacity buses in terms of comfort and safety of passenger transportation and provision of proper travel conditions mostly determine the scope of use of buses of this class by types of connections and length of routes. The purpose of the paper is the development of a structural model, based on the analysis of the main factors affecting the determination of the comfort of a small-capacity bus for urban transportation during the transportation of passengers. Methods. The analysis of literary sources showed that indicators of comfort (as well as indicators of information service, speed, timeliness, safety of cargo, safety), which refer to indicators of the quality of passenger transportation, are decisive in this group of indicators. From the point of view of Ukrainian legislation and regulatory framework, the concepts of passenger bus capacity and comfort are analyzed. The main factors that determine the comfort of small-capacity buses for urban transportation during the transportation of passengers are determined. Ensuring the comfort of passenger transportation in a small-capacity city bus is determined by compliance with ergonomic requirements, which, in turn, depends on the design features of the arrangement of the area intended for passengers. Scientific novelty. It is proposed to evaluate the comfort category in the urban public road transport system using a structural model that combines two sets of factors – logistic and ergonomic. The logistic set of factors includes characteristics in time and space, that is, characteristics of comfort outside the means of urban public road transport. The ergonomic set of factors includes characteristics that describe comfort in vehicles. Practical significance. On the basis of this model, possible ways of ensuring ergonomic requirements for the layout of the interior and interior of small-capacity buses for urban passenger transportation are proposed. It was established that the main factors of the redistribution of transport mobility between urban passenger transport and transport for individual use are the insufficient comfort of passenger transport or the insufficient density of the route network.

Specific Technologies of Aviation Rescue and Firefighting Operations over the Years

The twentieth century was a period of rapid development in aviation. It was a time of great progress in the construction of aircraft, the development of ground infrastructure and the improvement of qualifications of aviation personnel. Over the years, aviation has gone from cruise flights in simple aircraft to transatlantic flights, complex aircraft with hundreds of passengers on board. Military aviation can operate at speeds exceeding the speed of sound and in all weather conditions. The infrastructure of large airports has reached the size of cities. Over the past century, the development of aviation has been followed by changes in the organization and equipment of rescue and fire-fighting services. The public does not accept the loss of human life or large-scale material damage and environmental damage. In the search for effective extinguishing agents and methods of administering them, people began to look for ways other than field fire services. Specialized firefighting units have appeared at airports, which are designed for specific rescue and firefighting operations on aircraft and infrastructure. For many years, attempts have been made to select special rescue and firefighting technologies capable of improving the effectiveness and safety of operations. Quite quickly, the car was chosen as the means of transport for airport rescue services. But over time, the need was recognized for it to have different characteristics and equipment than a vehicle for village and town safety units. As a result of various experiments, unusual technical solutions designed to solve basic problems specific to airports were developed. Equally interesting was the path to determining the best fire extinguishing agents and their means of administration. From hand-held fire extinguishers to remote-controlled cannons administering thousands of liters or kilograms of extinguishing agents over a long distance. The publication provides information on the history and development of basic firefighting technologies specific to aviation and some pointers to the future.

Health care service utilization among elderly in rural setting of Gandaki province, Nepal: a mixed method study.

Globally, one in every six people will be elderly by 2030. In Nepal, there has been a notable rise in the aging and elderly. Addressing the healthcare needs of them is crucial. Despite the different efforts to advocate for healthy aging, various factors continue to limit this process. This paper aims to explore the utilization of healthcare services among the elderly population and uncover influences on the ability to access these services. A mixed-method community-based study was conducted in Bihadi Rural Municipality of Parbat, Nepal. The quantitative segment involved interviews with 355 individuals aged ≥60 years, while 18 respondents were enlisted for in-depth interviews. We used descriptive statistics, chi-square test, and logistic regression in quantitative analysis. Similarly, content and thematic analysis were performed in the qualitative component. This study reported that health service utilization among the respondents was 65.4%. Among the factors ethnicity (OR 3.728, 95% CI 1.062-15.887), not good health status (OR 2.943, 95% CI 1.15-8.046), bus as means of transportation (OR 8.397, 95% CI 1.587-55.091) had higher odds whereas government hospital (OR 0.046, 95% CI 0.009-0.193), not always available health staffs (OR 0.375, 95% CI 0.147-0.931), not sufficient medicine (OR 0.372, 95% CI 0.143-0.924), not available medicine (OR 0.014, 95% CI 0.002-0.068) had lower odds for health service utilization. Other factors identified from qualitative components include long waiting times, insufficient medicine, lack of trained health personnel, financial capacity, low utilization of health insurance, distance, and support from family members. Nonetheless, a portion of the elderly remained excluded from mainstream of healthcare services. A combination of social, healthcare-related, and individual factors influences the utilization of healthcare services. To ensure elderly-friendly services, prioritize geriatric care training, secure medication availability, and establish a dedicated health insurance program for them. In the current federal context, localizing evidence-based, innovative strategies to address the healthcare needs of the elderly is crucial.

Development of Model and Graphical User Interface for Leak Localization in Crude Oil Pipeline

Pipelines provide the most efficient and cost-effective means for fluid transport but the challenge posed by leaks has substantially increased the risks and hazards in pipeline fluid transportation. The development of efficient leak detection system pays off in quicker leak detection and localization, leading to quicker responses and remediation works by the pipeline emergency response team. This would ultimately bring about less severity of the pipeline leak in terms of financial losses, human and environmental consequences. Steady state modeling of crude oil pipeline flow with attempt to determine and localize leak has been achieved in this study. Mathematical models have been developed to detect and localize leaks in crude oil pipeline during leak occurrence. Leak detection was modeled using the conservation of mass equation while leak localization was modeled by modifying the Darcy-Weisbach pipeline liquid flow equations and utilizing the Swamee-Jain friction factor correlation. Equations for flowrate and pressure drop along the pipeline were developed for two cases: a case where there is no leak in the pipeline and a case where there is leak in the pipeline. Leak localization equation was determined by equating the fluid flow equation when there is no leak and when there is leak. The model was structured and simulated in Matlab software with the model tested for four field cases. The results from the simulation revealed swift leak detection, accurate localization of the leak, and determination of the pressure at the point of leak. Experimentally determined results from actual field measurements of leak incidences were used to validate the results. The result determined from the model developed proved accurate with only an average error of 0.216 miles.

Escalation of Transportation Service Quality at the Angkoetan Motor Repoeblik Indonesia (Damri) Surabaya

The development of the times encourages the community to focus on the advancement of science and technology, to create optimal public services. Transportation is one of the sectors that is greatly affected by technological advances. The escalation of people's mobility demands has led to an increase in very significant means of transportation that are not proportional to the number of existing vehicles, resulting in congestion on the streets. Given the importance of the role of transportation, the government needs to provide mass transportation services that are by the needs of services that are regular, safe, comfortable, fast, precise, and affordable. This study uses a qualitative descriptive approach through observation, direct interviews, and documentation to collect data. The goal is to collect detailed information on improving the quality of DAMRI transportation services and analyze the factors that support and hinder these services. The results of the study show that the escalation of DAMRI service quality focuses on the Minimum Service Standards for Road-Based Mass Transportation, namely security, safety, comfort, affordability, equality, and order.

Policy preferences for medical access in Japan’s remote aging municipalities: Insights from a randomized conjoint experiment

Abstract Improved means of transportation play a vital role in accessing medical services, particularly in remote and ageing municipalities. In this study, we identify crucial attributes for improving access to medical services in the Shinhidaka and Urakawa municipalities in Japan. Using a randomised conjoint field experiment, we identify individuals’ preferences regarding the time and means of transportation to hospitals that can provide high-level medical services, along with additional tax payments to support these services. We find, inter alia, that respondents have the highest preference for reducing emergency ambulance transportation time to high-function hospitals. We also estimate the minimum average willingness to pay for these services; respondents are willing to pay at least JPY 60,000 (approximately USD 500) additional tax per year to the municipal government if the emergency transportation time to high-function hospitals is reduced. The findings of this study provide valuable insights into addressing the challenges of improving access to medical services in remote areas with an ageing population.

Augmented Reality-Based Car Showroom Application as a Promotional Media at Alya Motor Car Showroom

In today's fast-paced world, transportation is crucial in facilitating the movement of people and goods. As a popular means of land transportation, automobiles have continuously evolved with advanced technologies to enhance fuel efficiency and driving safety. Established in 2014, Alya Motor has served hundreds of customers using social media platforms for marketing. However, innovative marketing strategies are essential to enhance the shopping experience, especially amidst declining purchasing power. This research aims to design, implement, and test a car showroom application based on Augmented Reality (AR) as a promotional medium for Alya Motor. An Android application was developed using Blender, Unity 3D, and Vuforia to offer an interactive car viewing experience. The research followed the Multimedia Development Life Cycle (MDLC) methodology, ensuring a user-centric approach. The application was successfully tested, achieving an 86% acceptance rate in User Acceptance Testing (UAT). The AR-based application significantly improves the promotional strategy by providing potential buyers with an engaging and effective shopping experience.

Which Skills Do Students with Intellectual Disabilities Need for Pursuing Leisure Activities After Graduation? A Survey among Vocational Rehabilitation Practitioners in Japan

Background: Leisure activities contribute to the quality of life and continuation of employment for individuals with disabilities. However, education related to leisure activities is inadequate in special needs schools in Japan. Purpose: This study aimed to clarify which components of leisure guidance are considered important by vocational rehabilitation practitioners in Japan. Methods: An online survey was conducted in 337 branches of the Support Center for Employment and Livelihood of Persons with Disabilities in Japan. Results: Employment support practitioners recognized the importance of teaching students how to use their leisure time outside of working hours and helping them cultivate skills necessary to engage in leisure activities, regardless of whether they were still in school or had already graduated. In school, importance was placed on providing activities aimed at expanding leisure opportunities after graduation. For the period after graduation, the emphasis shifted to acquiring specific abilities necessary for engaging in leisure activities with other people, such as money management and securing means of transportation. Conclusion: This study provides a direction for optimizing the quality of leisure guidance for individuals with special needs. The findings can help improve teaching practices in special needs schools and enhance the effectiveness of transition support for students with disabilities.

Measuring and optimizing the spatial accessibility of primary health care in remote and rural areas: a case study of Liannan Yao Autonomous County in China

The need for equitable access to primary healthcare services in the current global context has attracted widespread attention, prompting nations to continuously enhance their grassroots medical service levels. In response, China launched the "Healthy China" initiative, which prioritizes the enhancement of national health as a core goal of the healthcare system and uses this opportunity to deepen reforms aimed at strengthening primary care. However, in remote and rural areas, the optimization of medical resource allocation and the achievement of balanced service development remain critical challenges owing to limited resources. This study selected Liannan Yao Autonomous County, which is situated in the northwestern corner of Guangdong Province, as a case study due to its remote mountainous location, underdeveloped economy, and minority region characteristics. Through field research and interviews, this study thoroughly explored the needs of both supply and demand, factoring in elements such as the service capability of healthcare facilities and residents' travel thresholds to enhance the two-step floating catchment area model, thus making it more applicable to remote villages. By integrating electric bikes and cars, which are the primary means of transportation in rural areas, this study conducted a thorough analysis and comparison of the accessibility of medical services in Liannan Yao Autonomous County (Liannan County) . The results reveal significant disparities in healthcare accessibility, an uneven distribution of medical resources, and varying impacts of transportation conditions and facility service capabilities on accessibility. Notably, the study revealed that improving transportation conditions alone has limited effects in rural areas; the key lies in balancing medical service capabilities and the rationality of overall layouts. From the perspectives of equity and efficiency, this study employs the equitable coverage model and the efficiency-driven model to construct two scenarios, comparing accessibility changes in Liannan County under both conditions and proposing strategies to improve the spatial layout of local healthcare facilities. This research not only deepens the understanding of healthcare service accessibility in rural areas but also provides a scientific basis for optimizing resource allocation and enhancing primary medical services, offering valuable guidance and reference for Liannan County and other similar rural regions.

Open and Shut: Circulating People and Goods, Pollution, and History in the Canals of Suzhou

This article considers the twentieth- and twenty-first-century reinterpretation and reconfiguration of Suzhou’s canals in light of their use as a means of transport and flood control, and as a source of pollution. Throughout the Maoist period (1949-1976), the regime considered canals to be anachronistic impediments to urban renewal and filled in many urban waterways to create modern streets, industrial land, and fall-out shelters. Remaining canals were exploited for a variety of uses, including drains for pollutants as the city industrialized. In the Reform Era, from 1978 onwards, environmental protection mandates, fines for polluting paper mills and chemical plants, and the diversion of industrial and population growth to new sites restored Suzhou’s canals and public gardens as tourism and recreation assets. The archaic origin and historicity of the city’s canals, which previously inspired their destruction, now impels their refurbishment and validation as essential infrastructure of the modern city.

Life-cycle environmental impacts of reused batteries of electric vehicles in buildings considering battery uncertainty

Advancements in various technologies have made it possible to recycle end-of-life batteries from electric vehicles (EV) into a stationary energy storage system (ESS) within residential buildings. As a result, promoting a circular economy between buildings and means of transportation has emerged as a major concern. Therefore, this study aimed to quantitatively assess the environmental impacts (life -cycle carbon Carbon dioxide (CO2) emissions) of ESS utilizing used batteries instead of new batteries from the life cycle perspective of lithium-ion batteries (LIBs) considering the uncertainty in energy communities. To this end, a probabilistic life cycle assessment (LCA) was performed using a Monte Carlo simulation of the energy community of South Korea. The results of this study demonstrated that reusing batteries as ESS in buildings could further improve the overall environmental sustainability of the ESS compared to using new batteries. As a result, when reused batteries were utilized, annual carbon emissions decreased by 2.8 %–18.5 % according to battery usage purposes. More specifically, it was shown that battery reuse can reduce greenhouse gas emissions and environmental impacts. To more rationally evaluate life-cycle CO2 emissions from a resource circulation perspective, the usage purpose and efficiency of the battery should be considered during the entire battery life cycle (transportation and building sectors). These findings are expected to provide valuable insights to policymakers, industrial sectors, and research institutes related to battery reuse and to help guide the future of transportation and building sectors in a sustainable direction from a resource circulation perspective.

Experimental and numerical study of a hinged floating bridge under waves and moving loads

ABSTRACT As an important means of water transportation, floating bridges have broad application prospects. In this paper, a numerical calculation model of the floating bridge considering the combined actions of waves and moving loads is established based on the potential flow theory, and model tests are carried out to verify the accuracy of the numerical method. The effects of motorcade loads and wave parameters on the dynamic responses of the floating bridge were further investigated. The results show that the larger vertical displacements of the floating bridge are affected by both the increase in the number of vehicles and the decrease in vehicle distances. The wave frequency and wave amplitude ranges dominated by the waves and vehicle loads were provided. The extreme dynamic responses of the hinged floating bridge under the combined effect of the waves and moving loads are less than the linear superposition of the individual effect.

On the use of vibrations and temperatures for the monitoring of plastic chain conveyor systems

In industrial automation, the transportation of unit loads plays a crucial role. This paper addresses the under-explored area of plastic chain conveyors, a versatile and efficient means of transport within production processes. Despite their widespread use, these conveyors suffer from wear and tear due to continuous contact between the chain and guide rails, often leading to unscheduled shutdowns and increased costs. The literature on monitoring solutions for such systems is sparse, particularly for plastic chains. This paper aims to bridge this gap by surveying the most common wear mechanisms for these systems and presenting a physical model that describes the interaction between the chain links and guide rails, based on chain of masses, springs and dampers and the Archard wear model. This model allows to relate the variations due to wear with other physical quantities, such as passage frequencies of the links and heat generated due to friction. The comprehensive model provides analytical formulas to understand the vibrations induced by the chain on the platform and the guide-rail temperatures. To validate the model and evaluate how the measurements are affected by the degradation of the system, an extensive experimental campaign was conducted on a conveyor test rig, acquiring vibration and temperature data. The end goal is to identify and discuss methodologies suitable for estimating the wear mechanisms of conveyor systems, with a focus on the constraints of industrial environments. Hence, this study aims to lay the groundwork for defining monitoring solutions that enhance the maintenance efficiency of plastic chain conveyor systems. The results suggest that the power Spectral Densities (PSD) of the platform’s accelerations are sufficient to estimate the average links pitch, which in turn could be used to assess the chain elongation. Besides, the local temperatures confirmed the model observations, making them suitable for estimating the slide-rail thinning.

Study on the Feasibility of Introducing eVTOL Based on Comparison of Travel Time and Travel Cost Required for eVTOL and Existing Means of Transportation

Study on the Feasibility of Introducing eVTOL Based on Comparison of Travel Time and Travel Cost Required for eVTOL and Existing Means of Transportation

Static Factors in Sitting Comfort: Seat Foam Properties, Temperature, and Contact Pressure

The seat characteristics have high relevance in overall comfort on any transportation means. In particular, the foam’s mechanical properties, interface pressure, and contact temperature play an important role in low- or no-vibration situations regarding static comfort. The present work presents the complete protocol for a static evaluation of different foams and seat covers to assess railway seats. Based on the evaluation of the foam’s mechanical properties and interface pressure profiles, it was concluded that higher-density foam (80 kg/m3) is the most favorable. Regarding the foam cover, a thermographic assessment demonstrated that the fabric cover that induces lower temperatures at passenger interface contact promotes higher comfort levels. It should be highlighted that experiments were conducted on real train seat cushions and environments using a thermographic camera and pressure map sensor.

Monitoring airborne pathogen transmission for enhanced safety at food processing facilities

AbstractFood manufacturing and processing are part of the nation's critical infrastructure. Due to the recent global spread of the SARS-CoV-2 virus, the potential contamination of the food chain and the resulting public health implications are of high consequence to society. The current primary food manufacturing and processing facilities already have various mechanisms such as hazard analysis and critical control point (HACCP) system in place. However, the widespread microbial infections in these facilities raise concerns that they will not only threaten the welfare of food processing workers, but also have a potentially greater consequence on the public if the food is contaminated with an infectious agent.Despite the increasingly recognised role of the environment in the spread of microbes, the effect of air properties remains poorly understood. Heating, ventilation, and air conditioning (HVAC) systems in meat processing facilities not only provide a means of transport for viruses and bacteria but may also deposit them on surfaces where they can survive for days. To maintain a stable and safe food chain supply during the pandemic, the challenges to ensure safe food supply and protect the workers' health must be quickly addressed through sustainable, safe and economic approaches. With these two imminent challenges in mind, the overall goal of this review article is to provide a comprehensive overview of the role of the environment in the impaction and resuspension of bioaerosols, focusing on airborne bacteria and viruses. The review includes the latest results of modeling the spread of microbial aerosols in the airflow and the development of preventive measures to mitigate virus contamination in the unique environment of meat processing operations. By understanding how the environmental factors and seasonality affect the infectivity and spread of airborne pathogens, mitigation measures can be designed to minimise future infections within and beyond these facilities.

Pattern of Road Traffic Injuries Presenting at a Tertiary Hospital in North-Central Nigeria

Abstract Background: Road traffic injuries (RTIs) constitute a major economic and health challenge globally, particularly in developing countries. Nasarawa state, north-central Nigeria, is heavily motorised due to the use of motorcycles as a popular means of transportation. The study aims to determine the pattern and prevalence of RTIs within the state. Materials and Methods: A 6-year retrospective study was conducted at the Dalhatu Araf Specialist Hospital (DASH) in Lafia, Nasarawa state. Data were obtained from the medical records of patients admitted with RTIs at the hospital and were analysed using the Statistical Package for the Social Sciences version 26. Results: A total of 929 patients with 1307 injuries were reported. There were 518 (55.8%) males and 411 (44.2%) females, with a male-to-female ratio of 1.3:1. The age of the patients ranged from 1–85 years, with a mean age of 30 ± 20 years. Young adults aged 18–44 years constituted the most injured age group. Motorcycle-related crashes accounted for injuries in 530 (57.1%) patients. These injuries were predominantly traumatic brain injuries (TBIs) and extremity injuries. The body region most affected was the head and face (560, 42.8%), with traumatic brain injuries (448, 32.7%) being the most common type. After treatment, most patients (571, 61.5%) were discharged home, while the mortality rate was 2.4%. Conclusion: In our study, motorcycle-related crashes were prevalent. Young adult males were mostly the victims of RTIs. Traumatic brain injuries and extremity injuries were the predominant types of injuries, often associated with motorcycle and pedestrian crashes. Multisystem injuries and TBIs were major factors contributing to mortality.