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Journal articles on the topic 'Confort automobile'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 February 2022

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1

N., Bhalaji. "PERFORMANCE EVALUATION OF FLYING WIRELESS NETWORK WITH VANET ROUTING PROTOCOL." Journal of ISMAC 01, no. 01 (2016): 56–70. http://dx.doi.org/10.36548/jismac.2019.1.005.

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The growing amount of vehicles on roadway is the key motivating the establishing of the road safety with comfort and undisturbed traffic flowing. Vehicular adhoc network is a trending wireless methodology that enable an unwired connection between the automobiles to have a highly secured driving with comfort. The vehicles connected wirelessly communicates with its nearby vehicle with the help of an on road circuitry and the mobile circuitry inside the automobile, sharing information either as caution preventing from unwanted fatalities or a guidance in travel. These automobile networks are craf

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Ghulam, Yaseen, Kamini Dhruva, Sana Naseem, and Sophie Hill. "The Interaction of Borrower and Loan Characteristics in Predicting Risks of Subprime Automobile Loans." Risks 6, no. 3 (2018): 101. http://dx.doi.org/10.3390/risks6030101.

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We utilize the data of a very large UK automobile loan firm to study the interaction of the characteristics of borrowers and loans in predicting the subsequent loan performance. Our broader findings confirm the earlier research on the issue of subprime auto loans. More importantly, unmarried borrowers living with furnished tenancy agreements who have relatively new jobs have a probability of defaulting of more than 60% compared to an average 7% default rate in overall subprime borrowers in the dataset. Also, in the above category are those who live in a less prosperous part of the UK such as t

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Yao, Jialing, Zhihong Li, Meng Wang, Feifan Yao, and Zheng Tang. "Automobile active tilt control based on active suspension." Advances in Mechanical Engineering 10, no. 10 (2018): 168781401880145. http://dx.doi.org/10.1177/1687814018801456.

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The rolling control of a car that focuses on reducing the roll angle passively has limited performance of increasing handling stability, passing speed, ride comfort, and rollover prevention while turning. This project presents a method for controlling an automobile to tilt toward the turning direction using active suspension. A 6-degree-of-freedom vehicle model with a 2-degree-of-freedom steering model and a 4-degree-of-freedom tilting model is established. The active tilt sliding mode controller, which causes zero steady-state tilt angle error, is established after the desired tilt angle is d

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Zong, Xian Liang, Hui Zheng, and Yu Sun. "Partner Selection in ASP-Based Automobile Panel Die Dynamic Alliance." Applied Mechanics and Materials 101-102 (September 2011): 812–16. http://dx.doi.org/10.4028/www.scientific.net/amm.101-102.812.

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Application service provider (ASP) based dynamic alliance has great advantages in die industry. This paper presents a complete scheme for establishing an ASP-based dynamic alliance for automobile panel die industry. The proposed scheme divides the job of partner selection into three phases, i.e., discovery of potential partners, junior evaluation and selection of potential partners and combination optimization of dynamic alliance. Methods for the three phases of partner selection are proposed and discussed. A prototype system has been developed to confirm the proposed scheme’s feasibility and

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Illés, Csaba Bálint, Beatrix Turzai-Horányi, and Anna Dunay. "Post-Cricis Management in the Hungarian Automobile Dealership Sector." Journal of Eastern European and Central Asian Research (JEECAR) 8, no. 3 (2021): 362–73. http://dx.doi.org/10.15549/jeecar.v8i3.524.

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Although it is one of the world’s most successful industries, the automotive industry was one of the biggest losers of the economic crisis of 2008. The crisis caused negative effects throughout the automobile supply chain, but research about this period has been focused on car dealerships. The objective of this paper is to provide insight gained from comprehensive research conducted in the Hungarian car trade market through in-depth interviews with car dealership owners and a wide questionnaire survey with the managers of car dealerships. The paper focuses on crisis management measures of the

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Minov, Jordan, Jovanka Karadžinska-Bislimovska, Kristin Vasilevska, Snežana Risteska-Kuc, and Sašo Stoleski. "Work-Related Asthma in Automobile Spray Painters: Two Case Reports." Archives of Industrial Hygiene and Toxicology 59, no. 2 (2008): 117–25. http://dx.doi.org/10.2478/10004-1254-59-2008-1858.

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Work-Related Asthma in Automobile Spray Painters: Two Case ReportsThis report describes two patients who had developed asthma after working as automobile painters with isocyanate-based aerosol paint for two years or over. In both patients asthma was confirmed using the standard diagnostic procedure. One of the subjects was atopic. One was ex-smoker and the other had never smoked. Neither had a family history of asthma. The symptoms occurred after workplace exposure lasting two years in one patient and three in the other. As both reported work-relatedness of the symptoms, they underwent serial

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Xia, Qin Xiang, Teng Xu, Guang Ming Wei, and Fu Yuan Ye. "Numerical Simulation and Experimental Research on Multi-Position Progressive Stamping Process of Automotive Structural Part." Applied Mechanics and Materials 271-272 (December 2012): 1366–71. http://dx.doi.org/10.4028/www.scientific.net/amm.271-272.1366.

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Multi-position progressive stamping is widely used in industrial fields, such as electronic, automobile and appliance, etc. Finite element numerical simulation has been an effective method to analyze the deformation of multi-position progressive stamping, the progressive die with 13 positions for the high strength steel automotive soleplate component part was manufactured based on the FEA simulation results obtained by multi-position multi-operation modeling method, and the corresponding progressive stamping experiments were carried out. The experimental results of the forward deep drawing of

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Sun, Yi Lin, Zhi Yi Huang, and Ryuichi Kitamura. "Stability of Automobility across Lifecycle Stages over Time." Advanced Materials Research 255-260 (May 2011): 3862–66. http://dx.doi.org/10.4028/www.scientific.net/amr.255-260.3862.

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This paper describes how automobility characteristics changed across lifecycle stages within different residential areas over time using statistical analyses. The results confirm that lifecycle is a useful classificatory variable in explaining automobility characteristics. Through analysis of four variances (including lifecycle stage, residential area, time, and age effects), the result suggests that residence area mainly determines the automobile ownership, but household members’ age is one of the main explainers for the fraction of auto trips and total auto travel time.

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Mymrin, Vsévolod A., Rodrigo E. Catai, Elena V. Zelinskaya, and Natalia A. Tolmacheva. "New Construction Materials Based on Automobile Construction Sludge." Applied Mechanics and Materials 346 (August 2013): 15–21. http://dx.doi.org/10.4028/www.scientific.net/amm.346.15.

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This paper is devoted to the development of valuable new construction materials based on various ecologically burdensome galvanic wastes, namely industrial sludge from the RENAULT plant and metal cleaning glass waste. The only natural component used is local clay. Both of the wastes need significant financial investment and efforts for neutralization and subsequent disposal while they can be recycled into glass-ceramics or red ceramics (tiles, bricks, blocks, etc.). Mechanical properties of the ceramics of various compositions are as follows: flexion resistances are 4.8-9.2, 7.6-11.5 and 11.1-

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Zhou, Canzong, Shuyi Chen, Wei Cui, and Zhengmao Yao. "System Design of Electricity Generation Using Waste Heat from LNG Automobile." E3S Web of Conferences 145 (2020): 02062. http://dx.doi.org/10.1051/e3sconf/202014502062.

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According to the research, thermoelectricity generation can recycle the heat contained in the cooling system of internal combustion engine. This paper is about taking advantage of the feature in the huge temperature difference at about 560 °C which is formed between high-temperature engine and LNG (Liquefied Natural Gas) in low temperature and the ability that LNG provides semiconductor with thermoelectric conversion material so as to produce the maximum output voltage in low temperature. We take advantage of lead telluride materials that adapt to the high temperature environment and bismuth t

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Willenborg, Antonius, Doris Schmitz, and Jan Lelley. "Effects of environmental stress factors on ectomycorrhizal fungi in vitro." Canadian Journal of Botany 68, no. 8 (1990): 1741–46. http://dx.doi.org/10.1139/b90-224.

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The reaction of various ectomycorrhizal fungi to environmental stress factors was examinated in a screening program. Tolerance to acid and heavy metals, resistance to antagonists, and reactions to automobile exhaust fumes were tested. Differences in reaction between the several ectomycorrhizal species and strains were observed. These results confirm that the susceptibility of ectomycorrhizal fungi to environmental stress factors varies from species to species, but also from strain to strain within a species. Pure culture synthesis with Picea abies showed the symbiotic potential of the selected

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Zhou, Zhou, Jian Xin Zhou, Ya Jun Yin, Xu Shen, and Liang Sun. "The Prediction of the Mechanical Properties of Gray Cast Iron Based on the Anatomy Experiment of the Engine Cylinder Head." Applied Mechanics and Materials 217-219 (November 2012): 2341–45. http://dx.doi.org/10.4028/www.scientific.net/amm.217-219.2341.

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In order to predict the mechanical property during the actual production of gray cast iron, to qualify the casting for the requirement of mechanical property and to control the cost, in this paper a series of anatomy and mechanical property experiments are conducted based on the automobile engine cylinder head processed through the actual production. The actual Brinell Hardness (HB) and the pouring parameters of the cast iron are acquired through the experiment. According to the pouring parameters, the cooling curve is obtained through the Inte CAST software simulation and the cooling rate is

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Anderson, David E., Vijaya R. Bhatt, Kendra Schmid, Matthew Lunning, Sarah A. Holstein, and Matthew Rizzo. "Electrophysiological Measure of Impaired Information Processing in Drivers with Hematological Malignancy." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 37 (2018): 64–73. http://dx.doi.org/10.1177/0361198118791666.

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The broad goal of this study is to measure remote effects of cancer on brain physiology and behaviors that underpin instrumental activities of daily living such as automobile driving. Studies of hematological malignancies (HM) have demonstrated impairments in multiple brain functions shown to be critical for safe automobile driving. In the current pilot study, brain physiology during driving simulation was examined in 14 HM patients and 13 healthy comparison drivers. Electroencephalography was used to measure the eye fixation-related potential (EFRP)—a positive amplitude deflection evoked appr

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Tadelis, Steven, and Florian Zettelmeyer. "Information Disclosure as a Matching Mechanism: Theory and Evidence from a Field Experiment." American Economic Review 105, no. 2 (2015): 886–905. http://dx.doi.org/10.1257/aer.20110753.

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Market outcomes depend on the quality of information available to its participants. We measure the effect of information disclosure on market outcomes using a large-scale field experiment that randomly discloses quality information in wholesale automobile auctions. We argue that buyers in this market are horizontally differentiated across cars that are vertically ranked by quality. This implies that information disclosure helps match heterogeneous buyers to cars of varying quality, causing both good and bad news to increase competition and revenues. The data confirm these hypotheses. These fin

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Cao, Feng Ping. "Optimization of Automotive Powertrain Based on Genetic Algorithm." Applied Mechanics and Materials 556-562 (May 2014): 2426–30. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.2426.

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In order to improve the performance of the cars, an optimization algorithm of transmission parameters that take into account automotive dynamic and fuel economy based on genetic algorithm was presented in the paper. Firstly, the origin underway accelerate time was chose as the dynamic target function, and the 100 kilometers fuel consumption of 15-cycle driving was used to evaluate fuel economy, and the two objectives functions were putted into a comprehensive objective function. Then, the constraints were established using the requirement of automobile power performance and transmission design

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Ben Ayed, Manel. "Impacts of COSER Strength on Service Loyalty." International Journal of Customer Relationship Marketing and Management 10, no. 1 (2019): 34–47. http://dx.doi.org/10.4018/ijcrmm.2019010103.

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This paper investigates the effects of customer-one service employee relationship (COSER) strength on personal loyalty and organizational loyalty within the Tunisian automobile repair service context. The study is based on automotive repair dealers in Tunisia and draws on quantitative data. A causal model was tested via structural equations modeling. Data were collected from a randomly sample of 332 customers. The results confirm that the COSER strength has a considerable impact on service loyalty. However, and contrary to the literature, it is an indirect effect through personal loyalty. The

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Mikayilov, Jeyhun, Vusal Shukurov, Shahriyar Mukhtarov, and Sabuhi Yusifov. "Does Urbanization Boost Pollution from Transport?" Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 65, no. 5 (2017): 1709–18. http://dx.doi.org/10.11118/actaun201765051709.

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The study examines the impacts of urbanization, energy consumption and real GDP on atmospheric pollution from automobile transport in Azerbaijan in the STIRPAT framework. Since the study uses time series variables the unit root properties of employed variables are tested for non‑stationarity. Stationarity of the data is tested using conventional Augmented Dickey‑Fuller test. The study employs Autoregressive Distributed Lags Bounds Testing (ARDLBT) approach to co‑integration. This method is one of the most preferable approaches among alternatives in the case of small samples. Estimation results

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Bahrami, Salman, Hasan Mohammad Beigi, and Mohammad Hosein Sabour. "Experimental Study of an Internal Heat Exchanger Influence on R134a Automobile Air Conditioning System." Applied Mechanics and Materials 165 (April 2012): 145–49. http://dx.doi.org/10.4028/www.scientific.net/amm.165.145.

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Liquid-suction or internal heat exchanger (IHX) is installed in vapor compression refrigeration systems to exchange energy between cool low-pressure gas and warm high-pressure liquid refrigerant. The aim of this research is to experimentally evaluate the effect of IHX adaptation in an automotive air conditioning system focusing on evaporator working conditions. In this new design of IHX, the high-pressure liquid passes through the central channel and the low-pressure vapor flows in several parallel channels in the opposite direction. The experimental set-up has been made up of original compone

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Ben Ayed, Manel. "Customers' Personal Trust Perception in Automotive Repair Services." International Journal of Service Science, Management, Engineering, and Technology 8, no. 2 (2017): 23–33. http://dx.doi.org/10.4018/ijssmet.2017040103.

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The purpose of this paper is to investigate the service employee skills and personal trust dimensions in the automotive repair services setting outside of the western context. Following a qualitative study among 12 customers and 6 frontlines service employees within the automotive repair companies in Tunisia, two quantitative surveys were successively conducted on 240 and 332 customers to empirically explore the personal trust attributes and confirm the dimensionality of the personal trust in this specific industrial context. Personal trust attributes, classified in hard and soft skills of fro

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Du, Ji Tao. "Forming Modeling of Tailor Rolled Blanks & Applied Keys in Panels." Applied Mechanics and Materials 44-47 (December 2010): 2857–61. http://dx.doi.org/10.4028/www.scientific.net/amm.44-47.2857.

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Tailor rolling blanks(TRB) act an important method for automobile light-weight, the process model of TRB forming panels is put forward, key technologies for TRB rolling including TRB synthesized mathematic model, integrated control model of TRB thickness based on multi-domains and Frame model of TRB thickness integrated control are presented fused with virtual manufacturing technology(VMT) and KBE. The main value of thickness fluctuating is predicted by the mathematics model ,the process is verified by VMT, the warp of thickness fluctuating is forecast by networking. Key technologies of TRB fo

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Leitão, Nuno Carlos. "GMM Estimator: An Application to Intraindustry Trade." Journal of Applied Mathematics 2012 (2012): 1–12. http://dx.doi.org/10.1155/2012/857824.

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This paper investigates the determinants of intraindustry trade (IIT), horizontal IIT (HIIT), and Vertical IIT (VIIT) in the automobile industry in Portugal. The trade in this sector between Portugal and the European Union (EU-27) was examined, between 1995 and 2008, using a dynamic panel data. We apply the GMM system to solve the problems of serial correlation and the endogeneity of some explanatory variables. The findings are consistent with the literature. The difference between per capita incomes and factor endowments present a positive sign. These results are according to Heckscher-Ohlin

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Hassan, Mohamed A., Mohamed AA Abdelkareem, Gangfeng Tan, and M. M. Moheyeldein. "A Monte Carlo Parametric Sensitivity Analysis of Automobile Handling, Comfort, and Stability." Shock and Vibration 2021 (September 6, 2021): 1–24. http://dx.doi.org/10.1155/2021/6638965.

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This paper investigates the bandwidth sensitivity of automobile handling, comfort, and stability based on Monte Carlo sensitivity simulations. Performed bandwidth sensitivity simulations include the effects of vehicle geometry and suspension parameters on lateral acceleration, roll angle, front/rear sideslip angles, and yaw rate angle, including both time- and frequency-domain sensitivity analyses. To replicate actual automobile responses, a full-vehicle roll-oriented suspension seven-degree-of-freedom (7-DOF) model was developed and implemented considering a 2-DOF planar two-track model with

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Ono, K., and Y. Okada. "Analysis of Ball Bearing Vibrations Caused by Outer Race Waviness." Journal of Vibration and Acoustics 120, no. 4 (1998): 901–8. http://dx.doi.org/10.1115/1.2893918.

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An analytical investigation of the shaft vibration caused by a ball bearing is presented in this paper. Bearing vibration could be caused by a number of factors, such as defects occurring on the race track or the rolling elements. A common problem with defective bearings is the generation of waviness on the outer race track during the manufacturing process. The vibration of an automobile drive shaft caused by rolling elements rolling over the waviness surface is transmitted to the passenger cabin, and produces undesirable noise. In this paper an analytical study is undertaken to evaluate the e

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Zhou, Jun, and Rong Di Han. "Experimental Study of Green High-Speed Turning Nickel-Based Superalloy GH4169." Applied Mechanics and Materials 26-28 (June 2010): 1132–36. http://dx.doi.org/10.4028/www.scientific.net/amm.26-28.1132.

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Knowing the stringent operating conditions to which superalloys are subjected to in automobile, aerospace and gas turbine industries, the machinability of nickel-based superalloy GH4169 is very poor, the traditional cutting fluids in GH4169 machining pollutes environments. The purpose of this study is to clarify the possibility of the turning in high speed (vc＞50m/min)[1]. In particular, the effects of the overheat water vapor with 130°C as cooling lubricant application were examined, through observation and measurement of the shape of the generated chips, machined surface integrity, cutting f

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Liu, Wei Min, Ai Yun Zheng, Chun Guang Lu, and Yan Tang. "Design and Research on Micro Pure Electric Garbage Transfer Vehicle." Advanced Materials Research 422 (December 2011): 65–69. http://dx.doi.org/10.4028/www.scientific.net/amr.422.65.

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Based on the analysis of characteristics and Application requirements, one type of micro pure electric garbage transfer vehicle was designed. The power layout program, chassis layout and hydraulic lifting mechanism were researched to meet the driving safety need and automobile ride. The McPherson independent front suspension and the coil spring integral rear suspension were selected as the suspension program. The type of motor front and front drive was the arrangement of power system. The ladder frame chassis was selected for its high strength and low cost and the finite element analysis of fr

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Eshkoor, Sima, Patimah Ismail, Sabariah Rahman, and Saidi Moin. "Does GSTP1 Polymorphism Contribute to Genetic Damage Caused by Ageing and Occupational Exposure?" Archives of Industrial Hygiene and Toxicology 62, no. 4 (2011): 291–98. http://dx.doi.org/10.2478/10004-1254-62-2011-2088.

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Does GSTP1 Polymorphism Contribute to Genetic Damage Caused by Ageing and Occupational Exposure?The aim of our study was to see the effects of GSTP1 polymorphism on biomarkers of ageing, including micronuclei (MN), comet tail length, and relative telomere length in automobile repair workers, who are exposed to a broad spectrum of potential mutagens. The analysis was performed on buccal cells collected from occupationally exposed and non-exposed (control) subjects. Samples were analysed using cytogenetic and molecular methods, including restriction fragment length polymorphism (RFLP), MN test,

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Yang, Yoon-sang, and Seung Lee. "A study on the effects of compression of the felt on flow resistance and acoustic characteristics." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 1 (2021): 5170–74. http://dx.doi.org/10.3397/in-2021-2992.

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The sound absorbing materials used to reduce automobile interior noise are classified into Felt and PU Foam. Felt are widely used not only in internal combustion engine vehicles but also in Electric Vehicles because they are eco-friendly materials that can be recycled and relatively light. Automotive interior parts manufacture materials in various thicknesses depending on the shape of matched parts. The pressed material changes the density, flow resistance and affects the overall NVH performance of the vehicle. In this study we worked to confirm changes in flow resistance, sound absorption coe

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Schapiro, Mark. "New Power for “Old Europe”." International Journal of Health Services 35, no. 3 (2005): 551–60. http://dx.doi.org/10.2190/gyrm-92vr-h6m4-6hdq.

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The European Union's growing political clout is leading to new paradigms of environmental and health regulation. The E.U. is putting teeth behind new guidelines governing the toxicity of chemicals in consumer products, cosmetics, and automobiles that are forcing American companies to reconsider longstanding production practices. While U.S. government oversight over environmental and health concerns is being weakened, the E.U.'s strengthened governance over these and other arenas is rapidly, through the leverage of international trade, setting the stage for a new global standard. Europe's new s

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Kim, Cheonshik, Dongkyoo Shin, Dongil Shin, and Chin-Nung Yang. "Secure protection of video recorder video in smart car." International Journal of Distributed Sensor Networks 12, no. 12 (2016): 155014771668179. http://dx.doi.org/10.1177/1550147716681792.

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Many automobile drivers have come to believe that installation of video recording equipment in a car is essential to providing evidence in case of a car accident and to facilitate reporting to police. Thus, it is important to develop an in-vehicle video recorder with high resolution to document accidents. To provide such video quality, the H.264 video format, which offers high compression and good quality, has been used for an in-vehicle video recorder. However, due to problems with fabricated evidence of digital records, we propose a new watermark method to authenticate in-vehicle video. This

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Tanaka, Takashi, Takeshi Fujimatsu, Kazuya Hashimoto, and Kazuhiko Hiraoka. "Austenite Grain Stability of Titanium-Modified Carburizing Steel." Solid State Phenomena 118 (December 2006): 3–8. http://dx.doi.org/10.4028/www.scientific.net/ssp.118.3.

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It is important to suppress grain coarsening during the carburizing treatment of automobile components such as gears and shafts so that high strength is maintained and heat treatment distortion is minimized. Two manufacturing methods are often used for the cost reduction. One is the increasing carburizing temperature. The other is the adoption of cold forging instead of hot forging. These methods are likely to result in grain coarsening in the case of conventional steels. It is well known that the key factors to control the grain growth are the initial austenite grain size and the volume and m

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NAKAMURA, YOSHIKI, and MASASHIGE TSUJI. "STUDY ON THE ALLOCATION OF R&D INVESTMENT: METHOD OF EVALUATING AND SELECTING R&D PROJECTS FOR INVESTMENT." International Journal of Innovation and Technology Management 01, no. 01 (2004): 55–74. http://dx.doi.org/10.1142/s0219877004000027.

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Any enterprise must undertake evaluation processes in order to select the best R&D projects to help expand their business opportunities, and then make R&D investment decisions. This study presents an evaluation tool for such projects. An assessment of various types of project proposals is conducted, based on a number of assumptions. First, to what extent are these intended projects connected with the business or technology strategy of the enterprise in question? Second, how can these projects contribute to both the business and future growth prospects of the firm? Finally, will the com

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Yanovska, Viktoriia, Olena Pylypenko, Viktoriia Tvoronovych, and Anastasiia Bozhok. "Marketing Research as a Way to Increase Competitiveness of Railway Company and Forecasting of Demand for Transport." International Journal of Engineering & Technology 7, no. 4.3 (2018): 583. http://dx.doi.org/10.14419/ijet.v7i4.3.19961.

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Justification of management decisions for railway companies, under the conditions of the transport market liberalization, requires the search and collection of reliable information which is related with both the internal and external environment. Alongside, the need to provide competitiveness of the railways involves marketing research. The main objective of this paper is to determine the specific features of applying marketing tools for promotion of competitiveness and formation of the railway company’s strategy. The dynamics of passenger traffic reflects the competitiveness of types of trans

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Zwahlen, Helmut T., and Thomas Schnell. "Visibility of Yellow Center Line Pavement Markings as a Function of line Configuration and Line Width." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 40, no. 18 (1996): 919–22. http://dx.doi.org/10.1177/154193129604001811.

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The end detection distance of finite length yellow center lines (tape, no edge lines included) was determined in the field at night under automobile low beam illumination as a function of the line configuration (single dashed, single solid, and double solid) and width (0.05m, 0.1m). Ten subjects were used in the study. The factor line type (configuration and width), and approach direction were statistically significant. A 16 fold increase in the retro-reflective area resulted in a near 100% average end detection distance increase in the westbound direction, and in a 65% average end detection d

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Yoon, Sung-Joo, and Taejung Kim. "Development of Stereo Visual Odometry Based on Photogrammetric Feature Optimization." Remote Sensing 11, no. 1 (2019): 67. http://dx.doi.org/10.3390/rs11010067.

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One of the important image processing technologies is visual odometry (VO) technology. VO estimates platform motion through a sequence of images. VO is of interest in the virtual reality (VR) industry as well as the automobile industry because the construction cost is low. In this study, we developed stereo visual odometry (SVO) based on photogrammetric geometric interpretation. The proposed method performed feature optimization and pose estimation through photogrammetric bundle adjustment. After corresponding the point extraction step, the feature optimization was carried out with photogramme

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Liu, Zhiquan, Jianfeng Ma, Zhongyuan Jiang, Hui Zhu, and Yinbin Miao. "LSOT: A Lightweight Self-Organized Trust Model in VANETs." Mobile Information Systems 2016 (2016): 1–15. http://dx.doi.org/10.1155/2016/7628231.

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With the advances in automobile industry and wireless communication technology, Vehicular Ad hoc Networks (VANETs) have attracted the attention of a large number of researchers. Trust management plays an important role in VANETs. However, it is still at the preliminary stage and the existing trust models cannot entirely conform to the characteristics of VANETs. This work proposes a novel Lightweight Self-Organized Trust (LSOT) model which contains trust certificate-based and recommendation-based trust evaluations. Both the supernodes and trusted third parties are not needed in our model. In ad

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Bhatnagar, Mukesh Chander, and Anima Johari. "Synthesis, Structural and Gas Sensing Characterization of W-Doped SnO₂ Nanostructures." Defect and Diffusion Forum 381 (November 2017): 15–19. http://dx.doi.org/10.4028/www.scientific.net/ddf.381.15.

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Tin oxide material has been extensively used for gas sensing application. Due to high operating temperature of metal oxide gas sensors, around 600 K and long term instability, research has been carried out to improve the material properties and reducing operating temperature. nanostructure materials have shown higher sensitivity and better stability towards gas environment. Air pollutants from automobiles and industry waste are the primary sources of environmental pollutants and there is need to develop low temperature, sensitive and selective gas sensors to monitor the gas content. In this pa

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Son, Youn-Sik, Hyuk-Kee Sung, and Seo Heo. "Automotive Frequency Modulated Continuous Wave Radar Interference Reduction Using Per-Vehicle Chirp Sequences." Sensors 18, no. 9 (2018): 2831. http://dx.doi.org/10.3390/s18092831.

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Recently, many automobiles adopt radar sensors to support advanced driver assistance system (ADAS) functions. As the number of vehicles with radar systems increases the probability of radar signal interference and the accompanying ghost target problems become serious. In this paper, we propose a novel algorithm where we deploy per-vehicle chirp sequence in a frequency modulated continuous wave (FMCW) radar to mitigate the vehicle-to-vehicle radar interference. We devise a chirp sequence set so that the slope of each vehicle’s chirp sequence does not overlap within the set. By assigning one of

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Zhou, Xingwen, Yuhua Chen, Shuhan Li, Yongde Huang, Kun Hao, and Peng Peng. "Friction Stir Spot Welding-Brazing of Al and Hot-Dip Aluminized Ti Alloy with Zn Interlayer." Metals 8, no. 11 (2018): 922. http://dx.doi.org/10.3390/met8110922.

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Friction stir spot welding (FSSW) of Al to Ti alloys has broad applications in the aerospace and automobile industries, while its narrow joining area limits the improvement of mechanical properties of the joint. In the current study, an Al-coating was prepared on Ti6Al4V alloy by hot-dipping prior to joining, then a Zn interlayer was used during friction stir joining of as-coated Ti alloy to the 2014-Al alloy in a lap configuration to introduce a brazing zone out of the stir zone to increase the joining area. The microstructure of the joint was investigated, and the joint strength was compared

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Vishwas, M., Sharnappa Joladarashi, and Satyabodh M. Kulkarni. "Finite element simulation of low velocity impact loading on a sandwich composite." MATEC Web of Conferences 144 (2018): 01010. http://dx.doi.org/10.1051/matecconf/201814401010.

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Sandwich structure offer more advantage in bringing flexural stiffness and energy absorption capabilities in the application of automobile and aerospace components. This paper presents comparison study and analysis of two types of composite sandwich structures, one having Jute Epoxy skins with rubber core and the other having Glass Epoxy skins with rubber core subjected to low velocity normal impact loading. The behaviour of sandwich structure with various parameters such as energy absorption, peak load developed, deformation and von Mises stress and strain, are analyzed using commercially ava

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ENAMI, NAOKO, NORIMICHI UKITA, and MASATSUGU KIDODE. "IMAGE MATCHING WITH A CAR-MOUNTED CAMERA ROBUST TO CHANGES IN IMAGING CONDITIONS." International Journal of Pattern Recognition and Artificial Intelligence 23, no. 07 (2009): 1369–95. http://dx.doi.org/10.1142/s0218001409007557.

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We propose a matching method for images captured at different times and under different capturing conditions. Our method is designed for change detection in streetscapes using normal automobiles that have an off-the-shelf car mounted camera and a GPS. Therefore, we are able to analyze low-resolution and low frame-rate images captured asynchronously. To cope with this difficulty, previous and current panoramic images are created from sequential images which are rectified based on the view direction of a camera, and are then compared. In addition, in order to allow the matching method to be appl

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IWAMOTO, TAKESHI, TOSHIYUKI SAWA, and MOHAMMED CHERKAOUI. "A STUDY ON IMPACT DEFORMATION AND TRANSFORMATION BEHAVIOR OF TRIP STEEL BY FINITE ELEMENT SIMULATION AND EXPERIMENT." International Journal of Modern Physics B 22, no. 31n32 (2008): 5985–90. http://dx.doi.org/10.1142/s0217979208051479.

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Due to strain-induced martensitic transformation (SIMT), the strength, ductility and toughness of TRIP steel are enhanced. The impact deformation behavior of TRIP steel is very important because it is investigated to apply it for the shock absorption member in automobile industries. However, its behavior is still unclear since it is quite difficult to capture the transformation behavior inside the materials. There are some opinions that the deformation characteristics are not mainly depending on the martensitic transformation due to heat generation by plastic work. Here, the impact compressive

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Hafner, Ana, and Dolores Modic. "European automotive technological innovation systems in the age of disruption: The suppliers’ view." Research in Social Change 12, no. 3 (2020): 53–77. http://dx.doi.org/10.2478/rsc-2020-0014.

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Abstract Although empirical studies show that suppliers’ innovativeness enhances original equipment manufacturers’ (OEM) total innovation performance, some evidence reveals that suppliers’ innovation affects OEM in quantitatively and qualitatively limited ways. This study aims to explore innovation systems of European automobile producers, i.e., OEM. Technological innovation systems (TIS) remain relatively underexplored, but the approach is especially valuable for explaining why and how sustainable and circular innovation develop and spread. We applied a mixed-method approach and conducted pat

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Kim, Kee Joo, Joo Sung Kim, Byung Ik Choi, et al. "Simulation of Hydroformed High Strength Steel Chassis Parts." Materials Science Forum 575-578 (April 2008): 390–95. http://dx.doi.org/10.4028/www.scientific.net/msf.575-578.390.

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The environment and energy related problem has become one of the most important global issues in recent years. One of the most effective ways of improving the fuel efficiency of automobiles is the weight reduction. In order to obtain this goal the hydroforming technology is adapting for the high strength steel and its application is being widened. In present study, the whole process chain of chassis components (cross members) simulation and development by hydroforming technology to apply high strength steel having tensile strength of 440 MPa grade is covered. At the part design stage, it requi

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Nelson, Arthur C., and David Allen. "If You Build Them, Commuters Will Use Them: Association Between Bicycle Facilities and Bicycle Commuting." Transportation Research Record: Journal of the Transportation Research Board 1578, no. 1 (1997): 79–83. http://dx.doi.org/10.3141/1578-10.

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Conventional wisdom suggests that if bicycle pathways are provided, people will use them. This assertion is based on a combination of anecdotes, a few case studies, and mostly wishful thinking. Until now, there have been no cross-sectional studies of the association between bicycle pathway supply and commuting by bicycle that control for a variety of factors. Cross-sectional analysis, controlling for a variety of extraneous factors, can help to attribute differences in bicycle commuting to the overall supply of pathways. Cross-sectional data are applied here to 18 U. S. cities to help fill thi

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Ye, Qing, Shaohu Liu, and Changhua Liu. "A Deep Learning Model for Fault Diagnosis with a Deep Neural Network and Feature Fusion on Multi-Channel Sensory Signals." Sensors 20, no. 15 (2020): 4300. http://dx.doi.org/10.3390/s20154300.

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Collecting multi-channel sensory signals is a feasible way to enhance performance in the diagnosis of mechanical equipment. In this article, a deep learning method combined with feature fusion on multi-channel sensory signals is proposed. First, a deep neural network (DNN) made up of auto-encoders is adopted to adaptively learn representative features from sensory signal and approximate non-linear relation between symptoms and fault modes. Then, Locality Preserving Projection (LPP) is utilized in the fusion of features extracted from multi-channel sensory signals. Finally, a novel diagnostic m

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Kim, Wooseong, and Eun-Kyu Lee. "LTE Network Enhancement for Vehicular Safety Communication." Mobile Information Systems 2017 (2017): 1–18. http://dx.doi.org/10.1155/2017/8923782.

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Direct vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communications have been popularly considered for safe driving of manned or unmanned vehicles. The V2I communication is better than the V2V communication for propagating safety messages at critical regions like intersections where the safety messages must be delivered to surround vehicles with low latency and loss, since transmitters as infrastructure can have line of sight to the receiver vehicles and control wireless medium access in a centralized manner unlike V2V. Long-Term Evolution (LTE) cellular networks are rapidly dep

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Singh, Dalveer, Sandeep Singh, and Gurpreet Singh. "Fabrication and Characterization of Bioglass." Asian Journal of Engineering and Applied Technology 7, no. 2 (2018): 99–102. http://dx.doi.org/10.51983/ajeat-2018.7.2.946.

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Glasses are common in use now days. These are used in different applications like domestic, automobile, telecommunication etc. The glasses are very useful materials because of their impressive properties. Few years back a new generation of glasses were developed i.e. bioactive glasses and bioactive glass ceramics. The glasses are used for bone grafting now-a-days because of their impressive bioactive properties. These glasses have tendency to form bonds with the living tissue organs. The future of these glasses will be bright in dental, orthopedics and prosthetic applications. In the present w

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Pehl, Matthew. "The Remaking of the Catholic Working Class: Detroit, 1919–1945." Religion and American Culture: A Journal of Interpretation 19, no. 1 (2009): 37–67. http://dx.doi.org/10.1525/rac.2009.19.1.37.

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AbstractThis essay examines the response of Catholics—both the institutional church and blue-collar laity—to the turmoil of the late 1930s and the rise of the United Automobile Workers in Detroit. It critiques an influential line of scholarship that holds that the ethnic working class was effectively secularized by the rise of mass culture, the welfare state, and industrial unions. Instead, the essay argues that religion—like class, gender, or race/ethnicity—might fruitfully be analyzed as a “consciousness” and, as such, remains fluid, malleable, and protean in the face of historical change. D

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Chen, Zhixing, Kun Liu, Emad Elgallad, Francis Breton, and X. Grant Chen. "Differential Scanning Calorimetry Fingerprints of Various Heat-Treatment Tempers of Different Aluminum Alloys." Metals 10, no. 6 (2020): 763. http://dx.doi.org/10.3390/met10060763.

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Heat-treatable cast and wrought aluminum alloys are widely used for structural applications in the automobile and aerospace industries. To assess and diagnose the production and quality problems related to industrial heat treatments, differential scanning calorimetry (DSC) was used as a tool in the present work to determine the thermal histories of samples that had undergone different tempers of three commonly used aluminum alloys, namely a high-pressure die-cast AlSi10Mg0.3Mn alloy, permanent-mold cast Al-Si-Cu 319 alloy, and extruded Al-Mg-Si AA6082 alloy. Various peaks detected in the DSC c

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Bartz, W. J. "Gear oil influences on efficiency of gear and fuel economy of cars." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 214, no. 2 (2000): 189–96. http://dx.doi.org/10.1177/095440700021400208.

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1. First of all, it should be considered that the fuel consumption of a car depends on a set of parameters only partly related to tribology. Their influence is much more pronounced than that of the lubricant. 2. Only the mechanical losses can be decreased by lubricant-related measures. Therefore, the fuel economy improvement that possibly might be realized is rather limited, especially when taking into account the rather high efficiency of gears. 3. When evaluating the influence of viscosity on fuel consumption, the so-called effective viscosity must be taken into account. This is most importa

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