Car Maintenance Research Articles

The Propensity to Adopt Electric Vehicles in the United Arab Emirates: An Analysis of Economic and Geographic Factors

In 2022, the increased utilization of electric vehicles (EVs) curtailed global carbon dioxide emissions by 13 gigatons. While EV ownership has been on the rise in the United Arab Emirates (UAE), accounting for approximately 1.3% of passenger car vehicles in 2022, it has not yet attained a level of economic feasibility compared to petroleum vehicles. The authors examined consumers’ opinions in the UAE toward adopting EVs for light-duty transport from the economic and geographic perspectives. The main research question was the following: to what extent do economic and geographic factors affect consumers’ opinions toward adopting EVs in the UAE? The objectives were to determine if a relationship exists between economic factors, such as saving money on petroleum, the cost of car maintenance, the cost of purchase, and income level, and geographic factors, including 14 cities across the seven Emirates that affect consumers’ opinions toward adopting EVs. We designed a survey that was distributed to a sample of 5459 respondents to examine this relationship. Descriptive and inferential statistics as well as PyData analytical techniques complemented by the application of data visualization tools such as Seaborn, Plotly, and Matplotlib were employed to examine the dataset. The findings demonstrated that respondents across all income levels have a positive outlook regarding the appeal of EVs for saving money on petroleum, while their interest in saving money on car maintenance and the initial cost of purchase became more pronounced in the higher income levels. Moreover, there were variations in preferences in highly populated Emirates (e.g., Dubai and Abu Dhabi) compared to Emirates with lower populations (e.g., Ras Al Khaimah and Umm al Quwain), confirming that much more emphasis is required to promote EVs in rural areas. When comparing multiple income groups to determine the impact of different factors, the ANOVA confirmed the prevailing patterns evident in the associations.

Обоснование состава и периодичности выполнения контрольно-диагностических и восстановительных операций при техническом обслуживании автомобилей

The control of the frequency of car maintenance, remaining the main tool to ensure the safety of a rolling stock, has also become a tool of the competition struggle of manufacturers. Some manufacturers announce of the periodicity increase of the technical maintenance of their automobiles, presenting it as the proof of the raise of the quality of their products in comparison to their competitors. Operating the results of the experimental data of Kia business-class cars, the article proves that an extreme raise of the periodicity of technical maintenance leads to the reduce of the safety of a rolling stock and that the periodicity must not be maximum but optimal. Also, optimal periodicity and the composition of the diagnostic and restoration operations when car maintenance is being carried out have been set.

Математическая модель организации обслуживания и ремонта грузовых вагонов

The strategic brand of any company is based on customer orientation. With regard to the carriage component of the transportation process, the consumer expects to meet the needs for technically sound rolling stock on constant basis. Timely high-quality maintenance and repair of freight cars guarantee the quality of transport services. The elimination of losses in the technological process of rolling stock maintenance significantly increases the competitiveness of railway transport and has a positive effect on state economic stability. The controllability optimization of the technological complex of freight cars maintenance and repair inevitably increases the efficiency of the transportation process due to a systematic approach to the organization of work related to the maintenance of the life cycle of rolling stock. Mathematical support tools, including the complex of mathematical methods, models and algorithms applied to solve the problems of rational technological processes organization, and can significantly narrow the search for optimal output and eliminate unnecessary losses when updating technology.

Solving reliability issues during the transition to highly intelligent road transport

Since the operation stage is the longest of all life cycle stages, it is in the corporate service system that strategies are implemented to find possible causes of failures of automotive equipment. To collect information about failures, a defect codifier was used, which simplifies the analysis of the causes of failures and planning a car maintenance strategy. During the FMEA analysis of the activity of the car center in question, a service process flow map, a PFMEA matrix, and a plan for the implementation of key corrective measures were developed. Keywords highly intelligent cars, reliability, claims analysis, FMEA analysis

МЕТОДИКА РАСЧЕТА ЭКОНОМИЧЕСКОЙ ЭФФЕКТИВНОСТИ ЭКСПЛУАТАЦИИ АВТОМОБИЛЯ ПРИ ВНЕДРЕНИИ ИНТЕЛЛЕКТУАЛЬНОЙ СИСТЕМЫ ТО И Р

The paper theoretically developed and experimentally confirmed a method for calculating the car operation economic efficiency Сэф with various strategies for replacing an old car with a new one. It is shown that there are time periods when replacing an old car with a new one is not economically justified. According to the results obtained, the replacement of an old car operated in the Luhansk People's Republic becomes economically feasible only after seven years of operation. To get the maximum Сэф, it will be useful to sell a car at the age of fourteen years. Collecting data on the current operating parameters of the main components and aggregates that affect the economic efficiency of operation, forecasting the dependence of the ownership cost СВА car based on the data obtained, is possible only with the introduction of an intelligent car maintenance system developed by the authors.

Mechanisation in the production process of the technical station - ensuring the safety of train traffic

The article is devoted to the replacement of brake pads at railway infrastructure car maintenance facilities. This article studies the problem of replacing friction pads in passenger cars, when the checks jam under the influence of external dynamic and temperature factors during operation. According to the standard technology the replacement of the defective pad is carried out with the use of manual devices, which does not meet modern requirements. A new screw puller for replacing the brake pads of wagons is proposed. The screw pair is calculated and its rational parameters are specified.

ОРГАНІЗАЦІЯ ТЕХНОЛОГІЧНИХ ПРОЦЕСІВ ТА ПРОЕКТУВАННЯ ВИРОБНИЧИХ ПІДРОЗДІЛІВ ПІДПРИЄМСТВ АВТОМОБІЛЬНОГО ТРАНСПОРТУ В ІНТЕРАКТИВНОМУ НАВЧАЛЬНОМУ СЕРЕДОВИЩІ WORKLAB-AUTO

Abstract. The general structure, principles of operation and application of the author's interactive learning envi-ronment Worklab-Auto for the organization of technological processes of diagnosis, maintenance and repair of cars and the design of pro-duction units of automobile transport enterprises are described. The software complex includes a fairly extensive data-base, server and client parts with a WEB interface and access via the INTERNET network. System modules provide inter-active implementation and simulation of production situations, which significantly improves the quality and realism of design. The environment contains modules for the analysis of the enterprise's production activity, which analyze the state of the production and technical base and the organization of work in production units, providing tech-nological equipment and tools. Calculation modules provide for the determination of the annual volume of work, the number of workers and the number of posts, as well as the distribution of work by types and place of execution. The pro-duction units of the enterprise are formed in the organizational modules. Technological equipment is selected from the database for each production unit. The organization of workplaces involves in an interactive mode fixing for each work-place works that are similar in execution technology, as well as the necessary technological equipment and tools. The types of diagnostic maintenance or repair posts are selected from the database which are equipped with an inspection ditch, a lift or stationary post equipment, respectively. The graphic window of the room plan makes it possible to display and move the selected equipment, service posts, workplaces, gates, doors, windows on a large scale. The development and optimization of route technology involves the visual division of a given technological process into separate operations. Keywords: design, automobile transport enterprise, technological process, education, interactive and distance learning.

PKM Pelatihan, Perawatan Dan Service Mobil Bagi Siswa STM Di Bengkel Fikry

This PKM aims to: provide maintenance skills training and car services such as tune-ups and being able to operate repair equipment correctly as well as counseling about the field of managing a business. At an early stage, all students who took part in the training were gathered and given an initial evaluation for see their level of understanding which will later be compared with the test final (post-test). Next, in the activity stage, participants are given material related to car maintenance and service, so that participants will understand about the material presented. The material presented uses methods lectures, discussion methods, demonstrations and direct practice. The last one is final evaluation. The ultimate goal of this service activity is to give knowledge and understanding of how to carry out maintenance and car service. Assessment of the success of this activity is seen through progress knowledge and understanding as well as skills through comparison between tests initial and final tests.

Experimental Investigation on Noise and Vibration of an Internal Combustion Engine with Oxyhydrogen Decarbonization

<div>Internal combustion engines are prone to get carbon deposits or residue which accumulate due to incomplete fuel combustion. This can have adverse effects on engine efficiency and performance. Engine decarbonization is one of the recent technologies in automobile maintenance, which involves the removal of carbon deposits or residue from various components within the internal combustion engine, including valves, pistons, cylinder heads, and combustion chambers. Decarbonization methods typically utilize specialized cleaning agents or additives to dissolve and eliminate these carbon deposits claiming to enhance engine performance and restoring optimal functionality. This article focuses to study the effects of engine decarbonization on noise and vibration of an IC engine. Oxyhydrogen (HHO) carbon cleaning machine has been used for decarbonization of the engine. This research addresses a contemporary concern in automotive maintenance by investigating the potential benefits of decarbonization in reducing noise and vibration levels. The results obtained from the data analysis provide insights into the effectiveness of the HHO carbon cleaning in improving engine performance. After decarbonization, the average noise levels have been observed to be decreased by an average of 3.28%, with a maximum reduction of 8.42% at a specific location and RPM value. Additionally, the vibration levels decreased by an average of 3.44%, with a maximum reduction of 16.38% at a particular location and RPM value.</div>

Applying Ethereum blockchain and IPFS to construct a multi-party used-car trading and management system

The main causes for the risks of used-car trading lie in the information asymmetry between buyers and sellers and the absence of a trust mechanism. This study proposed applying the Ethereum blockchain and InterPlanetary File System (IPFS) to construct a used-car trading and management information system that supports decentralized data storage services. This mechanism could support the permanent storage, immutability, and traceability of car maintenance data through the operation of smart contracts. Furthermore, car information is stored and managed by IPFS. Slither monitors the security of this system by detecting security bugs in the operation of smart contracts.

Methods for Forecasting Costs for Technical Impacts of Vehicles and Determining Cost Rate

The article defines the basic norms of car maintenance, the frequency of maintenance, the life of the product before repair, the step of grouping maintenance operations and the current labor costs for maintenance. Information is given about the grouping of TSK by main operations.

ANALISIS EFEKTIVITAS PENYEWAAN MOBIL TERHADAP PERUSAHAAN STARTUP

The development of companies in Indonesia is happening a lot after the Covid-19 pandemic began to subside. Many business people who have started to open their companies which are commonly referred to as startup companies have started to appear in Indonesia. Startup companies are start-up companies that have recently been operating and are in the development stage. This company usually starts with ordinary capital, therefore, the owner of the company will suppress capital. One way is to use a car rental service for the company's mobility needs. This is done to avoid car maintenance costs and car taxes. In order for car rental services to be in demand, car rental service companies must balance the quality of the vehicles being rented as well as the driver services provided as well as affordable prices. In terms of vehicles, the vehicles for rent are in good condition and clean. Meanwhile, in terms of the services of the drivers being rented, the drivers must have good driving skills and have a good nature and be friendly to users of car rental services. Therefore, the effectiveness of using this car rental service must also be maintained properly so that it can be more attractive to business people who are starting to build their startup company.
 Keywords: startup, vehicle, driver, effectiveness

Epidemiological study of work-related musculoskeletal disorders and related risk factors among automobile maintenance workers.

The automotive industry is labor-intensive, and workers are involved in highly repetitive tasks, long hours, and medium to low workloads, resulting in work-related musculoskeletal disorders (WMSDs), which have become a major health concern for workers in this industry. China is a major automotive country with tens of thousands of auto repair workers, but their conditions of WMSDs have been poorly reported. This work aimed to analyze the current prevalence of WMSDs and their associated risk factors among automobile maintenance workers. A total of 539 respondents from 50 automotive repair and maintenance companies in China were selected to investigate the prevalence of WMSDs via the modified Nordic Musculoskeletal Disorders Questionnaire. Chi-square test and logistic regression models were applied to analyze their associated risk factors. The total prevalence of WMSDs among 539 workers was 32.8%. The top three body parts for prevalence were the lower back (17.1%), neck (16.3%), and shoulders (14.5%). The highest prevalence of WMSDs was found in the neck (23.6%) and lower back (14.3%) for sheet metal workers and mechanics, respectively, whereas painters had the highest prevalence of WMSDs in the lower back and feet (both at 15.4%). Logistic regression analysis showed that females were at higher risk of WMSDs than males (OR 5.027, [95% CI] [1.278-19.772], p < 0.05). Workers subjected to uncomfortable positions were at increased risk of WMSDs (OR 1.79, [95% CI] [1.333-2.410], p < 0.01). The prevalence of WMSDs is high among automotive maintenance workers, with the highest prevalence in the lower back (17.1%). Uncomfortable working postures and frequent repetitive movements with lower limbs and ankles at work may be important risk factors.

Masculine Ideals and Health in Older Men: Findings From the Wisconsin Longitudinal Study.

How do older men's masculine ideals affect their health? Are masculine activities involved in this relationship? Masculine identity upholds beliefs about masculine enactment. These beliefs can be detrimental to men and can lead to behaviors that can put undue stress on them. We examine how masculine ideals are associated with health and depressive symptomatology in older men. We used 2011 data from the Wisconsin Longitudinal Study (n = 2,594) to investigate how masculine ideals inform older men's health and how participation in masculine activities might shape these outcomes. Findings from this study illustrate that traditional masculine ideals are associated with worse self-rated health (SRH), greater chronic illness, and depressive symptomatology. For masculine activities, doing repairs and car maintenance was associated with less chronic illness and depression. Belonging to a senior men's group was associated with worse SRH, greater chronic illness, and greater depression. Therefore, older men's greater endorsement of traditional masculine ideals was generally associated with worse health, though certain masculine activities affected this relationship. We posit that more gender-equitable beliefs may be useful for improving the "men's health gap."

An exploration of employees’ experiences of online food delivery: evidence from employee reviews

PurposeOnline food delivery service has evolved swiftly and stretched the bounds of the catering business. In the gig economy, being a food delivery rider draws employees with the promise of flexibility and independence. To this end, the purpose of this paper is to explore the main themes shared in online reviews by food delivery riders and which of these themes are linked to positive and negative ratings.Design/methodology/approachThe authors used 729 employee reviews posted on the Glassdoor website. In addition, they used content analysis to examine reviews of Uber Eats online food ordering company shared by food delivery riders on an online platform.FindingsThe results of this study include seven main themes: “earning,” “customers,” “orders,” “tips,” “car,” “flexible schedule” and “app” (navigation). Positive concepts are associated with “earning,” “orders,” “tips” and “flexible schedule.” Negative themes are linked to the “app” (navigation), “car” and “customers.”Practical implicationsManagement should consider online reviews as employees’ opinions and voices. Specifically, management should provide financial support to employees for car maintenance, offer insurance for income stability and arrange training programs to enable them to use several tip-enhancing behaviors.Originality/valueNo research has been conducted using online reviews from an employment search engine to investigate employees’ experiences of online food delivery. To the best of the authors’ knowledge, this study is one of the first attempts using user-generated content from an employment search engine to explore employees’ experiences.

Planning traffic surveillance in Spain: How to optimize the management of police resources to reduce road fatalities

Although traffic police enforcement is widely recognized as a key action in the road safety field, it can be a costly policy to implement. In addition, governments often impose budget constraints that can limit the resources available for activities such as law enforcement and surveillance. To evaluate the impact of human traffic control resources planning on traffic fatalities on Spanish NUTS-3 regions interurban roads, this paper uses an econometric model to investigate the performance of police enforcement intensity by focusing on two crucial traffic law infractions (i.e., speeding and drunk driving). After controlling for a range of economic, demographic, climate, and risk exposure variables, results highlight the relevance of visible, human, and in-person traffic law enforcement through regular vehicle patrols for reducing traffic crashes, with a non-significant effect of automatic enforcement. Our findings have important implications for traffic police resource management regarding the effective maintenance of patrol cars and plans to digitalize and automatize police administrative tasks and procedures.

Modern problems of operation of gas-cylinder cars running on compressed natural gas

The article discusses and summarizes the main problems that arise during the operation, maintenance and repair of gas-cylinder cars using compressed natural gas as fuel. The analytical study is based on the experience of a large transport company operating gas-powered transport. Examples of successful solutions to operational issues and issues that require detailed study, technically sound solutions are given. Attention is focused on the pressing problems of enterprises operating gas-cylinder cars. Keywords: gas cylinder car, compressed natural gas, automobile gas-filling compressor station, gas cylinder equipment

Industrial Product Quality Analysis Based on Online Machine Learning.

During industrial production activities, industrial products serve as critical resources whose performance is subject to various external factors and usage conditions. To ensure uninterrupted production processes and to guarantee the safety of the production personnel, a real-time analysis of the industrial product quality and subsequent decision making are essential. Conventional detection methods have inherent limitations in meeting the real-time demands of processing large volumes of data and achieving high response speeds. For instance, the regular inspection and maintenance of cars can be time-consuming and labor-intensive if performed manually. Furthermore, monitoring the damage situation of bearings in real time through a manual inspection may lead to delays and may hinder production efficiency. Therefore, this paper presents online machine-learning-based methods to address these two practical problems and simulates them on various datasets to meet the requirements of efficiency and speed. Prior to being fed into the network for training, the data undergo identity parsing to transform them into easily identifiable streaming data. The training process demonstrates that online machine learning ensures timely model updates as small batches of data are sent to the network. The test results indicate that the online learning method exhibits highly stable and effective performance, optimizing the training process.

Perbandingan Kinerja 4 Mesin ATF Charger untuk Proses Flashing pada Transmisi Toyota Yaris Matic

ABSTRACT&#x0D; This research is an experiment testing several Automatic Transmission Fluid (ATF) charger machines in the Flushing process during oil changes by comparing several ATF machines with the Toyota Yaris automatic transmission hydraulic pump.&#x0D; By knowing the performance of each of these tools, we can recommend a better and more efficient use for automatic car maintenance. The purpose of this study was to compare the ATF Charger Lounch Cat-501s, ATF Charger brand X1, ATF Charger brand X2 with a Toyota Yaris automatic transmission hydraulic pump. By knowing the performance of each of these tools, we can recommend a better and more efficient use for automatic car maintenance. besides that it also aims to find out the maintenance of the automatic transmission on the Toyota Yaris automatic transmission hydraulic pump. The method in this study uses experimental methods by conducting literature studies, sample preparation, group division, treatment implementation, measurement and observation and measurement of the speed of oil entering the transmission during flashing, data analysis, data interpretation, and report generation. The data collected includes efficiency, output power, generated pressure, costs incurred including maintenance costs. In addition, testing was also carried out to evaluate the performance of the Toyota Yaris automatic transmission hydraulic pump when using each type of ATF Charger machine during Flushing. The results showed that the ATF Brand X1 engine had the fastest performance in the process of changing the engine oil for the transmission of the Toyota Yaris automatic car, which was able to drain 1000 ml in 17.65 seconds, the speed was around 850 rpm (revolutions per minute), with an electric voltage of 12 Volts, as well as the cost of procuring the lowest equipment, which is IDR 1,807,530&#x0D; &#x0D; Keywords: ATF Charger, Toyota Yaris, Matic

Development of a micro-level circular economy performance measurement framework for automobile maintenance garages

Organizations across the world are thriving for ensuring sustainability in their operations and business practices. The circular economy is a recent development of this decade that enhances sustainability initiatives. Apart from manufacturing, the service sector also can contribute to the promotion of a circular economy. Maintenance service of automobiles is a promising service industry where circular economy concepts can be adopted and implemented. Several automobile OEMs (Original Equipment Manufacturers) are promoting the concepts of circular economy through their dealer garages. However, there is a requirement for a performance measurement framework for assessing the circular economy performance measurement of individual garages for continuous improvement. In this paper, an attempt is made to develop a framework for circular economy performance measurement of automobile garages using a graph theoretic approach. Various performance measurement attributes of circular economy performance of garages are identified through literature and garage visits. The interrelationships among attributes are modeled through a graph theoretical approach. A directed graph (digraph) of the circular economy performance (CEP) is developed, where its nodes represent circular economy performance attributes while the edges show the degree of interrelationships. An equivalent matrix to the digraph will generate a circular economy performance function (CEPF) that will result in the development of a circular economy performance index (CEPI). The developed framework is implemented for measuring the circular economy performance of an Indian automobile OEM's dealer facility. In ideal case, the value of Circular economy performance index ratio (CEPIR) should be ‘1’. In the illustrated case of a garage the estimated value of CEPIR is 0.234 which is considered to be poor that shows the garage needs changeover for improving CE initiatives. Further, sensitivity analysis was carried out and it was found that improvement in sustainable sourcing initiatives will result in proportional increases in the circular economy performance index. The developed index will help the garage organizations as well as their OEMs to have feedback on their practices for circular economy and understand the weak links.