Automotive - Science topic

This book presents a multidisciplinary approach to digital transformation process of organizational transformation, offering support throughout the implementation process to all those interested. The digital transformation (DT) is a priority for many companies in the context of technological evolution. The use of appropriate tools, methodologies, m...

This study explores the potential of Human-AI Collaboration (HAIC) use cases as a tool for prospective sensemaking. Based on 14 interviews with executives of an automotive company, we identify and categorize HAIC use cases that can help organizations anticipate and strategically respond to the impact of HAIC. Feedback from the case company shows th...

The objective of this research was to extract lignin from Eucalyptus sp. kraft black liquor and to evaluate the influence of its addition on the properties of the lignin-phenol-formaldehyde adhesive. The adhesives were synthesized at different phenol mass percentages by lignin, called lignin-phenol-formaldehyde adhesives in the proportions of 25, 3...

As an integration of cutting-edge digital technologies, the metaverse is set to revolutionize online retailing. This study employed a well-established metaverse automotive retailing platform in China to explore the paths influencing consumers' purchase intention when shopping in the metaverse. We adopted structural equation modeling to analyze the...

High Nb-containing TiAl alloys exhibit exceptional high-temperature strength and room-temperature ductility, making them widely used in hot-section components of automotive and aerospace engines. However, the lack of accurate interatomic interaction potential for large-scale modeling severely hampers a comprehensive understanding of the failure mec...

The chapter introduces the design and simulation of a PID-controlled DC-DC buck converter for regulating DC voltage from 12 V to 5 V for automotive applications using LTspice software. The simulation results show that the proposed converter 366 with an op-amp-based PID controller can regulate the output voltage, even under load current variations....

The diffusion of public Generative Artificial Intelligence (GenAI) tools such as ChatGPT has prompted many firms to (re-) consider how to integrate GenAI technology into their daily operations. We are studying a prominent German automotive manufacturer that started developing an inhouse generative conversational AI tool as an assistant for the dail...

Though human-AI collaboration (HAIC) is increasing, significant challenges persist in its effective adoption. Based on a systematic literature review, we propose a framework encompassing 15 obstacles to the adoption of HAIC in organizations, organized into three components of competence learning: knowledge, skills, and attitudes. Important obstacle...

In this paper, the impact of the vehicle body on the transparent circularly polarized (CP) antenna’s performance when installed on the vehicle windshield has been investigated. The incorporation of an absorber layer on the vehicle floor to improve the antenna’s performance has been proposed. The study also evaluates how the placement of the antenna...

This study aims to determine the main competitive features of the textile and composite industry in the Bursa region, the center of Türkiye's composite and technical textile production, analyze its development, and define, evaluate, and explore how it can be transformed into value-added elements to increase its efficiency. Adding value to textiles...

The research paper "Enhancing System Reliability with Anomaly Detection" explores the pivotal role of anomaly detection techniques in improving system reliability across various industries, including aerospace, healthcare, telecommunications, and automotive. System reliability, defined as the probability of a system performing its intended function...

Aluminum alloy, as a lightweight structural material, has broad applications in aerospace, automotive, and military industries. However, its poor wear resistance limits its application in friction pairs of products. To improve the tribological performance of aluminum alloy, preparing surface texture like micro-pit array with electrochemical microma...

Prepregs are resin-impregnated, expensive composites mainly limited to high-end applications within the aeronautical, defense, automotive, and energy sectors. Prepreg technology is mainly protected by trade secrets, resulting in limited studies on prepreg resin matrix development and recent advancements. Three key parameters for epoxy resin matrix...

This paper explores the development and application of the incremental forming process, an innovative method for manufacturing complex parts with high flexibility and low tooling costs. The review categorizes three key process variants: Single Point Incremental Forming (SPIF), Two Point Incremental Forming (TPIF), and Incremental Forming with Conju...

The concentricity error of automotive brake piston components critically affects the stability and reliability of the brake system. Traditional contact-based concentricity measurement methods are inefficient. In order to address the issue of low detection efficiency, this paper proposes a non-contact concentricity measurement method based on the co...

Thin‐walled porous structures have great application prospects in aerospace, automotive, and biomedical fields, and the optimization of their properties is crucial to improve the overall effectiveness of the products. Herein, the optimal design of porous structures and their mechanical properties are discussed, and the effects of different geometri...

The existing study examines the moisture-dependent vibrational behavior of a metal foam spherical panel that is positioned between two composite layers reinforced with graphene platelets (GPL). The Kerr foundation, a three-parameter elastic foundation, supports the model. Based on specified functionalities, the pores’ arrangement and the GPL disper...

Accurate luminance-based image generation is critical in physically based simulations, as even minor inaccuracies in radiative transfer calculations can introduce noise or artifacts, adversely affecting image quality. The radiative transfer simulator, SWEET, uses a backward Monte Carlo approach, and its performance is analyzed alongside other simul...

Automotive companies are a major driver of the economy due to their high production volumes and extensive supply networks. However, the shift towards focusing on Environmental, Social, and Governance (ESG) aspects to comply with regulatory constraints and meet shareholder expectations presents significant challenges. This study addresses the need f...

Hierarchically porous‐structured metals show tremendous potential for mechanical applications in the aerospace, automotive, and healthcare sectors. Accurately controlling both the microstructural pore morphology and the macroscopic geometric shape presents a significant challenge and directly impacts its applications. Existing approaches involve co...

El presente artículo examina la problemática relacionada con la violación al principio de certeza tributaria en la determinación de la base gravable del impuesto vehicular en Colombia. El principio de certeza tributaria establece que los contribuyentes deben contar con reglas claras y precisas para calcular sus obligaciones fiscales, evitando la di...

In this study, a novel lightweight Fe-Mn-Al-C steel composition and thermomechanical processing route was developed to produce a fully austenitic microstructure with a uniform intragranular dispersion of B2-NiAl precipitation in order to overcome the significant challenge of strengthening hot-rolled Fe-Mn-Al-C steels while retaining toughness. The...

As vehicles become increasingly digitized and intelligent, with growing demands for functional iterations, software updates (OTA) are becoming more frequent. National regulatory agencies have taken corresponding measures to address the risks associated with automotive software updates. To enhance the automotive industry's standards and maintaina he...

El trabajo analiza el surgimiento de China como el principal productor de vehículos automotores y su consolidación como el segundo exportador de bienes automotrices. Para ello, destacamos la especialización de China en la producción de vehículos para el transporte privado de personas, como principal ventaja para desplazar a sus principales competid...

Carbon fiber reinforced plastic (CFRP) circular tubes can be used in aerospace, automotive, chemical and other applications due to their good physical and chemical properties. However, uncontrollable burrs will occur frequently when end grinding CFRP circular tubes by grinding wheel with rounded corner, which affects the manufacturing quality of th...

Ballistic protection, often called armor, is crucial for protecting equipment and human lives. To achieve this goal, humans have sought the most advantageous ballistic properties in materials, aiming for protection against shooting or bombing actions (Corpo docente do Instituto Universitário Militar, 2020). By analyzing armor from a scientific pers...

Adaptive cruise control (ACC) dynamically regulates a vehicle's speed to preserve a secure gap from the preceding vehicle, enhancing road safety. In this study, ACC is examined through the lens of deep reinforcement learning, with a focus on the Deep Deterministic Policy Gradient (DDPG) technique. The reward function takes into account the speed er...

Objectives: The goal of this study is to investigate the extent to which different practices of SCM have been implemented by selected firms in India. The research is a multiple case study of automotive and automotive components industry and also electronic industry in India. Methods: For each organization 15 examiners were disseminated. To produce...

Objectives: The article reviews heat transfer mechanisms in the hot stamping process, highlighting models to calculate the interfacial heat transfer coefficient (IHTC), crucial for optimizing the cooling and quality of formed products. Theoretical Framework: In hot stamping of high-strength steels, the IHTC is affected by variables such as contact...

Assisted and automated driving functions will rely on machine learning algorithms, given their ability to cope with real-world variations, e.g. vehicles of different shapes, positions, colors, and so forth. Supervised learning needs annotated datasets, and several automotive datasets are available. However, these datasets are tremendous in volume,...

Carbon fiber-reinforced polymer (CFRP) has garnered extensive scholarly attention owing to its remarkable mechanical properties and inherent lightweight nature. However, there remains a need for a straightforward and effective optimization approach for designing CFRP automotive components. Hence, this study introduces the CFRP multilevel optimizati...

This paper investigates the incorporation of multiphase (MP) and variable flux (VF) permanent magnet motors to electric vehicles (EVs). A literature review is carried out first, which covers the characteristics, benefits and challenges of both motor configurations. MP motors, with their increased phase number, offer enhanced fault tolerance, reduce...

The increasing connectivity and complexity of automotive systems require enhanced mechanisms for firmware updates to ensure security and integrity. Traditional methods are insufficient for modern vehicles that require seamless over-the-air (OTA) updates. Current OTA mechanisms often lack robust security measures, leaving vehicles vulnerable to atta...

Sound-absorbing materials are widely used in the field of automotive industry. Biomass materials are abundant in the nature, some of which have natural sound absorption and noise reduction properties. Biomass sound-absorption materials are green and pollution-free, which have obvious noise reduction effect on middle- and high-frequency noises, a la...

With the modernization of the automotive industry, a large amount of data is generated by vehicles during operation. When interpreted analytically, it can result in advances in several areas, such as safety, durability, production efficiency, fuel consumption, and gas emissions. In this work, we focus on engine torque and its regression, to enable...

Computational fluid dynamics (CFD) simulations are crucial in automotive, aerospace, maritime and medical applications, but are limited by the complexity, cost and computational requirements of directly calculating the flow, often taking days of compute time. Machine-learning architectures, such as controlled generative adversarial networks (cGANs)...

Multi-chip parallel power modules are highly favored in applications requiring high capacity and high switching frequency. However, the dynamic current imbalance between parallel chips caused by asymmetric layouts limits the available capacity. This paper presents a method to optimize dynamic current distribution by adjusting the lengths and connec...

Thin-walled parts are widely used in various fields of industrial production, but their inherent characteristics, such as low stiffness and susceptibility to deformation, make them prone to various defects during use. Thin-walled covering parts, which serve as thin shells or covers to protect other components, are extensively utilized in aerospace,...

Advancing towards high automation and autonomous operations is crucial for the future of inland waterway transport (IWT) systems. These systems necessitate robust and precise onboard sensory technologies that can perceive the environment under all weather conditions, including static features for local positioning techniques such as Simultaneous Lo...

This paper presents a comprehensive experimental study on the mechanical test such as tensile,impact, flexural and Sem testing on natural fibre composites. The natural fibre composite is fabricated as per the ASTM standard using hand layup technique. The layers 45 0 ,90 0 ,45 0 ,90 0 ply layers are used to laminate the specimen to make 3.5 mm thick...

Difficult-to-cut titanium matrix composites (TMCs) are widely used in the aerospace, automotive, and defense sectors due to their excellent physical properties. Electrochemical mill grinding (ECMG) can achieve the processing effects of electrochemical milling and electrochemical grinding using the same tool, which has the potential to complete the...

This paper discusses novel numerical techniques for studying the damage to automotive safety components in carbon fiber reinforced polymer (CFRP) deployed in the automotive industry to protect passengers, high voltage batteries and powertrains from rear impacts. The idea proposed in the manuscript is to use Newmark’s methodology with the FEM for th...

This research is particularly relevant in industries such as aerospace and automotive, where the reliability of bonded joints is crucial for structural integrity and safety. The study is likely to involve an experimental setup that uses wave-based techniques, such as ultrasonic or guided wave testing, to detect and measure defects in bonded alumini...

Additive Manufacturing (AM) stays gaining popularity in advanced industries like aerospace, automotive, healthcare, and energy outstanding by its ability to create intricate, customized structures. Key drivers include design freedom, light weighting, rapid prototyping, and supply chain optimization. However, the study discusses the challenges of po...

Induction-based breathing sensors in automobiles enable unobtrusive respiratory rate monitoring as an indicator of a driver’s alertness and health. This paper introduces a quantitative method based on signal quality to guide the integration of textile inductive electrodes in automotive applications. A case study with a simplified setup illustrated...

Automotive exhaust emissions contribute significantly to air pollution in developing countries. However, the effectiveness of driving restriction policies (DRPs) is unclear, and most research on China emphasizes Beijing. This study used Chengdu, a typical large city in China, to examine the impact of a DRP on air quality. To alleviate potential end...

In the manufacturing of steel components, surface quality is a critical factor that directly impacts the performance, durability, and aesthetic appeal of the final product. Among the key process parameters affecting surface roughness are tool rotational speed, feed rate, and depth of cut. AISI 1018 mild steel is a low-carbon steel widely used acros...

Design for Additive Manufacturing (DfAM) is a transformative approach designed explicitly to optimize designs using metal additive manufacturing (AM). Exploring core DfAM principles, the chapter highlights the advantages of geometric freedom, material selection, and aligning designs with the capabilities of specific metal AM processes. It examines...

The financial performance of companies, particularly as reflected in financial statements, is crucial for decision-making. Earnings persistence, which is defined as the ability of a company to maintain stable earnings from one period to the next, is a key indicator in assessing the financial health and stability of a company. This research aims to...

Engineering ceramics and their composites are widely used owing to their excellent properties, including high wear, corrosion and heat resistance, low friction coefficient, and low thermal conductivity; thus, the current paper presents a comprehensive review of the most common types of engineering ceramics, demonstrating their key properties, advan...

This study aims to analyze the representation of Wuling's brand identity in the media of Antaranews, one of the leading news portals in Indonesia. Using a qualitative approach with a content analysis method, this study eval_uated 50 articles published in the period 2017 to 2023. The results of the analysis show that Wuling has succeeded in building...

Ultrasonic sensors are devices that measure distance and detect objects without physical contact by emitting and receiving high-frequency sound waves. This study explores the technology and applications of ultrasonic sensors, with a focus on their use in the automotive and agricultural sectors. In automotive systems, ultrasonic sensors are widely u...

This paper assesses the economic and environmental implications of comprehensive reductions in emissions in small and medium enterprises. The document focuses on reduction from all three scopes, which are analyzed through a simple cost-benefit framework. The case studies of three companies in different sectors: automotive manufacturing, Textile, an...

The phase transition from supercooled water to ice is closely related to the electrochemical performance and lifetime of an energy device at sub-zero temperatures. In particular, fuel cells for passenger cars face this issue because they are frequently started and stopped under sub-zero conditions during the winter season. However, there is a lack...

Aluminium matrix composites (AMCs) reinforced with hard ceramic particles is currently being widely used as a composite material for a range of industrial and technical applications. In the current study, melt stirring was employed to incorporate Aluminium nitride (AlN) particulates into the aluminium 6061 alloy. In this study AlN particles in diff...

With the advancement of technology, the Single-Edge Nibble Transmission (SENT) protocol has become increasingly prevalent in automotive sensor applications, highlighting the need for a robust SENT signal simulation and acquisition system. This paper presents a real-time SENT signal acquisition system based on NI Field Programmable Gate Array (FPGA)...

As the automotive industry continues to evolve, the focus on customer satisfaction and retention has shifted towards after-sales services, which are becoming increasingly crucial to business success. With the growing complexity of modern vehicles, which are now equipped with advanced technology, manufacturers and service providers must rethink trad...

The growing need for sustainable materials in engineering applications has led to increased interest in the use of waste-derived ceramics as reinforcing fillers in polymer composites. This study investigates the mechanical and tribological performance of epoxy composites reinforced with Yttria-Stabilized Zirconia (YSZ) waste ceramics, focusing on t...

This study investigated the effect of graphene (GRA) reinforcement on the rheological properties of a biodegradable blend based on starch-based material (B20), polybutylene succinate (PBS), and fortified pentaerythritol ester of rosin (RES) as a compatibi-lizer. Prototypes produced through injection molding of B20/RES/PBS and B20/RES/PBS/GRA blends...

Benchmarking anomaly detection approaches for multivariate time series is challenging due to the lack of high-quality datasets. Current publicly available datasets are too small, not diverse and feature trivial anomalies, which hinders measurable progress in this research area. We propose a solution: a diverse, extensive, and non-trivial dataset ge...

The purpose of writing this article is to analyze the transaction contracts that exist in the multi-level marketing business, Multi-Level Marketing is a network business that has products and it is allowed, until now there has been Sharia MLM, and has been under the auspices of DSN MUI about Sharia tiered direct sales about the processes of Sharia...

The epoxy hybrid nanocomposite is prepared with 15 wt% of flax fiber (FF) and 1-5wt% of boron carbide nanoparticle (B4C) through a compression moulding process. Before the fabrication, the FF surface is treated with a 5% concentration sodium hydroxide solution to enhance fiber quality and reduce moisture absorption. The impact of FF and B4C on the...

The transition from polylithic (composed of many parts) to monolithic (one part) design in automotive components presents an opportunity for a reduction in part count, weight, processing routes, and production time without compromising performance. The traditional design approaches for rooftop tents assemble various sheet metal and extrusions toget...

This study aims to evaluate the efficiency and performance of implementing green supply chain management in a specialized mechanical assembly company. The research focuses on a company that produces plastic-molded components and mechanical assemblies for medical, industrial, automotive, and transport sector clients, representing a significant segme...

At present, 3D printed continuous carbon fiber reinforced composites (CCFRCs) are widely used in aviation and automotive fields. Most of the existing research on 3D printed CCFRCs focuses on fiber volume content and rarely explores the specific fiber ply location. However, the latter is one of the most important factors affecting the strength and s...

Summarize the exploration experience of data security engineering and privacy engineering at home and abroad, and analyze the applicability of the existing methodology to the automobile industry. Based on the practical experience related to data safety in the automobile industry, the data safety activities in the vehicle development process are ana...

This study presents a data-driven battery emulator using long short-term memory deep learning models to predict the charge–discharge behaviour of lithium-ion batteries (LIBs). This study aimed to reduce the economic costs and time associated with the fabrication of large-scale automotive prototype batteries by emulating their performance using smal...

This article aims to analyze the implementation of the wakalah bil ujrah contract at BSI Subang Otista 2. Wakalah contract is a contract found in the world of Islamic banking. Wakalah bil ujrah is to represent or refer another person to represent him accompanied by a reward that has been mentioned at the beginning. This writing uses qualitative res...