Automotive engineering research papers








Power Electronic Solutions to Improve the Performance of Lundell Automotive Alternators
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Until in the early 1960s, automobiles used a DC generator called dynamo. The availability of affordable power diodes in the beginning of 1960s paved the way for the widespread use of three-phase claw-pole alternators (or Lundell alternators) for the generation of electric 

AutoNUI: 2 nd Workshop on Automotive Natural User Interfaces
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ABSTRACT Natural user interfaces-generally based on gesture and speech interaction- are an increasingly hot topic in research and are already being applied in a multitude of commercial products. Most use cases currently involve consumer electronics devices like 

Evaluation of Agronomic and Cultural Effects on Soybean Lines with Modified Fatty Acid Profiles for Automotive Industry Biomaterial Production
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• Ontario's agriculture sector will benefit economically from using soy based polyols, which would facilitate the world market opportunities for soybean. The manufacturing sector such as auto-parts industry will benefit from having a reliable, local supply of renewable 

The Auto Parts-Automotive Chain in Mexico and China: Co-operation Potential?
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ABSTRACT Mexico's economic relationship with China has intensified substantially in the last decade. Based on an increasing literature on the overall and aggregate relationship, this analysis proposes a detailed examination of the auto partsautomobile chain, which is of 

The effect of cubic damping in an automotive vehicle suspension model
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ABSTRACT A two degree of freedom quarter-car model comprising a linear suspension spring in parallel with a non-linear damper has been investigated. The tyre damping is assumed to be negligible compared to the suspension damper and the tyre stiffness is 

Integrated tool-chain for improving traceability during the development of automotive systems
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ABSTRACT Tool integration is a key factor for improving development efficiency and product quality during the development of safety-relevant embedded systems. We present in this work a demonstrator based on the most recent outcomes of the CESAR project. The 

A study of building the crisis prevention model for the innovation development of green marketing: A case of the automotive industry
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For sustainable operation, business circle not only attaches importance to cultivating external competitiveness, but also values innovation of green technology gradually. Green technology brings along the industries, it enables enterprises toward sustainable 

Impact of system parameter selection on radar sensor performance in automotiveapplications
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ABSTRACT The paper deals with the investigation of relevant boundary conditions to be considered in order to operate 77/79GHz narrow and ultra wide band automotive radar sensors in the automotive platform and the automotive environment.

Rheological characteristics of metallic automotive basecoats and their flow dynamics in 3-roll coating process
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Technologies related to pre-coated metal sheets for automotive have been currently developed, including the preparation of polymer paints such as primers, basecoats, and clearcoats and the application of continuous multiple roll coating process. In this study, the 

South Africa: Automotive Cluster
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Executive Summary South Africa is one of the most advanced countries in Africa, with a strong mining cluster and a significant domestic market. In manufacturing, the automotive cluster is the most important and successful, with firms operating along all levels of the 

Joining Aluminum Sheet in the Automotive Industry–A 30 Year History
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ABSTRACT Aluminum has been used in the automotive industry for more than half a century. During the last 30 years, however, interest in the use of aluminum has been coupled with needs for improved vehicle performance. This has largely focused on 

Using a fixed threshold in ultrasonic distance-ranging automotive applications
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In ultrasonic distance-ranging automotive applications such as ultrasonic park assist (UPA) and blind-spot detection (BSD), ultrasonic waves transmitted by the system are reflected by objects present in the vicinity. The system receives the reflected wave, or echo, and 

EMC TESTING  AUTOMOTIVE EMC SOLUTIONS
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ABSTRACT Electromagnetic energy has been a problem since the days of the first antennas. Mother Nature is always on the air. Today, with the growing number of electronic devices and wireless communication, the electromagnetic interference is of greater concern than 

Efficient constraint handling during designing reliable automotive real-time systems
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In modern embedded systems, eg avionics and automotive, it is not unusual for there to be between 40 and 100 processors with a great deal of the software having hard real-time requirements and constraints over how, when and where they execute. The requirements 

Study of mobile mixed sensing networks in an automotive context
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Mixed sensing mobile networks comprise of mobile sensors that have different sensing capabilities. We look at such sensor networks in an automotive context; wherein automobiles with two levels of sensing (and consequently with two different dynamics) are 

The German Automotive Industry turns e–the Case of managing Technological Change by the Industry Leader
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ABSTRACT The automotive industry in southern Germany faces challenges of serious technological change from combustion engine driven cars to electro mobility. The automotive cluster is currently in a phase of transition from a global leader in an 

USE OF DIFFERENT FRICTION MODELS ON THE AUTOMOTIVE CLUTCH ENERGY SIMULATION DURING VEHICLE LAUNCH
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ABSTRACT The clutch system works basically as an interface between the engine and the vehicle. The engine provides power and torque in a given revolution while the vehicle launches. The slipping time is a critical moment for the clutch during this phase. Then, 

Development and Evaluation of Automotive Speech Interfaces: Useful Information from the Human Factors and Related Literature
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In recent years, automotive and consumer-product manufacturers have incorporated speech interfaces into their products. Published data on the number of vehicles sold with speech interfaces is not readily available, though the numbers appear to be substantial. Speech 

Automotive observers based on multibody models and the extended Kalman filter
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ABSTRACT This work is part of a project aimed to develop automotive real-time observers based on detailed nonlinear multibody models and the extended Kalman filter (EKF). In previous works, a four-bar mechanism was studied to get insight into the problem. 

Designer/Maker: The Rise of Additive Manufacturing, Domestic-Scale Production and the Possible Implications for the Automotive Industry
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ABSTRACT The rapid development of both digital production tools–such as 3D printers, CNC machines and laser cutters–and Information and Communications Technology (ICT) have provided a means for small scale, distributed poly-nodal Digital Manufacturing to 

An Evaluation of Typeface Design in a Text-Rich Automotive User Interface
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This paper reports on the results of a project examining the impact of typeface design on glance behavior away from the roadway when a driver interacts with a multi-line menu display designed to model a text-rich automotive human machine interface (HMI). Data 

AUTOMOTIVE THERMAL COMFORT CONTROL–A BLACK-BOX APPROACH
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ABSTRACT Thermal comfort is a very vague and a very individual term, which depends on physiological and psychological variables. Thermal comfort in transient environments, like an automotive cabin, is far from understood and general accepted theories do not yet exist 

Chromium Containing Amorphous Brazing Foils And Their Resistance to AutomotiveExhaust Gas Condensate
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ABSTRACT Brazed stainless steel components for exhaust gas applications are well established and extensively used in the EU, US and Japanese vehicle industry in order to reduce emission levels. The launch of the cooled exhaust gas recirculation (EGR) 

Outsourcing in Spain's Automotive Auxiliary Industry: Evolution, Trends, Causes, Effects and Consequences
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Outsourcing is a technique implemented and consolidated through the organisation of production in the automotive sector, which consists of fragmenting the value chain into more specialised stages and deciding which activities, products and services are to be seen to 

Effect of Fuel Injection Pressure on Size and Structure of In-Cylinder Soot Particles Sampled from an Automotive-Size Optical Diesel Engine
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ABSTRACT The negative impacts of particulate matter emissions on human health and the environment are serious concern in developing next-generation diesel engines. Measurements of exhaust soot level and particle size distribution have been widely used 

A Study Investigating Challenges in the Interface between Product Development and Manufacturing in the Development of Software Intensive Automotive 
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The automotive industry is facing a tremendous growth in the engineering of software- intensive systems, giving rise to various challenges. To prevent problems related to the fit of new software technologies in vehicles and the manufacturing processes, a well 

On credibility improvements for automotive navigation systems
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ABSTRACT Automotive navigation systems are becoming ubiquitous as driver assistance systems. Vendors continuously aim to enhance route guidance by adding new features to their systems. However, we found in an analysis of current navigation systems that many 

Study of the filiform corrosion of 6016 aluminium alloy covered by cataphoretic coating: application in automotive industry
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In automotive industry, bodywork in aluminium parts is more and more used. This evolution can be explained by the research of a decreasing weight and by the aluminum recycling which is more cost-effective than that of steel. In addition aluminum is recycled without 

The importance of proximity in vertical relations: Contract-level evidence from the Europeanautomotive industry
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ABSTRACT Empirical studies from three fields, international trade, economic geography, and international business, have shown that the intensity of economic interaction is increasing in geographic proximity. We construct a rich data set of outsourcing transactions between 

Investigation on hardness and impact resistance of automotive brake pad composed with rice husk dust
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In this study, hardness and impact resistance properties of automotive brake pad composed with rice husk dust (RHD) were documented. RHD was mixed with other metallic and synthetic ingredients of automotive brake pad. To obtain RHD, rice husk was ground and 

Modelling and Optimization Approach of Quantitative Environmental Ergonomics in MalaysianAutomotive Industry
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ABSTRACT Environmental factors such as temperature, lighting and noise have very significant impact to workers' health, safety, comfort, performance and productivity. In an ergonomically design industrial work environment, these factors need to be control at their optimum 

R&D and Export Intensities in Automotive Parts Firms in China, Malaysia, Philippines and Taiwan: Does Ownership Matter?
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Rajah Rasiah This paper seeks to examine the importance of ownership in R&D intensities and export ownership in the automotive parts firms in China, Indonesia, Malaysia, Philippines and Taiwan. Consistent with the portfolio and ownership, location and 

Monozukuri capability to address product variety: A comparison between Japanese and German automotive makers
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ABSTRACT The aim of this paper is to provide a better understanding on monozukuri capability taking this integrative perspective into account. This will be done through comparative case studies between Japanese and German automotive makers.

Do Automotive Fuel Economy Standards Increase Rates of Technology Change?
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Covariates included average weight, average size (interior volume), average engine peak power, average fuel consumption (gallons per mile), fraction of small cars (mini-compacts, subcompacts, and two-seaters), fraction of cars with 4-wheel drive, fraction of wagons, and 

CAN in Automotive Applications: a look forward
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identification and traceability of timing constraints 2. Synchronize producing tasks with communication tasks 3. Desynchronize frames by using offsets Assign priorities according to deadlines 5. Re-consider frame packing Optimize communication 

electromagnetic clutch

Numerical Simulation of Transients Processes in Nonlinear Electric Drive System with Induction Electromagnetic Clutch
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Abstract-The new numerical method of simulation in nonlinear system of the drilling electric drive with induction electromagnetic clutch including the part with the distributed parameters is in view losses and presented in the paper. Keywords: Computer Modeling, Nonlinear

The Reason for Lose Efficacy of Electromagnetic Clutch Based on Mould Method
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Abstract. This paper do a detailed analysis to the property and the reason for lose efficacy of electromagnetic clutch of a certain factory, introduce a adjust method model method, analyses

hydraulic, electro hydraulic, or electromagnetic clutch
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(57) Automatic continuous variable transmission box, of infinity speed ratio, equipped with hydraulic, electro hydraulic, or electromagnetic clutch, where the shafts of primary (27) and secondary (26) are disks with circumpherential semi circular groove between them which

Stable Fuzzy Control of an Electromagnetic Actuated Clutch
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Abstract: This paper presents aspects concerning the stable design of fuzzy control solutions for the position control of an electromagnetic actuated clutch. The mathematical modelling of the plant is first solved offering the plant models expressed as first principle nonlinear

Electromagnetic friction clutch for fixing accurate position of sliding elements
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A complete mathematical model of an electromagnetic friction clutch is presented, whose numerical solution provides its basic operation characteristics. The clutch represents a part of various devices working with the movable plunger and its purpose is to fix it in a

automatic gear research papers



Gear automatic adaptive variator with constant engagement of gears
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Abstract-The gear adaptive variator is created on the basis of the discovery «Effect of Force Adaptation». It is the mechanism with two degrees of freedom with one input and one output. On constant parameters of input power output angular speed is appeared automatically Redundant gears should be eliminated in the design of automatic transmissions in order to reduce inertial power loss and manufacturing costs. The purpose of this paper is to develop a computerized method for the analysis of redundant gears in planetary gear trains. Based

The Kinematic Design of Automatic Gear Transmissions for Bicycles.
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Abstract-Recently, bicycles are used as exercising machines and traffic vehicles. Planetary gear trains can be used as the transmission systems for bicycles. The purpose of this work is to propose a design methodology for the kinematic design of automatic gear

Epicyclic Gear Mechanisms for Multi-Speed Automotive Automatic Transmissions
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ABSTRACT Epicyclic gear trains for multi-speed automotive automatic transmissions are rotationally non-isomorphic and contain at least four coaxial links, at most three planet gears, no embedded structure, no redundant planet gears, and no floating carriers. This

Design and Simulation of a New Bevel Multi-Speed Gear box for Automatic Gearboxes
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Abstract: In this paper, a new mechanism was developed as a gearbox for power transmission between concentric shafts. With this approach, reduction ratios range from 10: 1 to millions to one is possible for single-stage. This mechanism is very cheaper than

Mechanism Analysis of Automatic Transmission gear noise
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To prevent such gear noise problem, we made detailed investigation by both several tests and simulation, ie noise measurement, shaker test, running gear vibration measurement and FE Model analysis. This paper describes the experimental analysis of gear noise

Development of an automatic design algorithm for multi-stage gear drives with applications
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Abstract:The objective of this research is to develop an effective design algorithm to automate the design process of multi-stage gear drives. Since the design of multi-stage gear drives includes both the dimensional design and the configuration design of the gear train,

Shifting from manual to automatic gear when growing old: good advice Results from a driving simulator study
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Abstract Older people may be advised to switch from manual to automatic gear shifting, because they may have difficulties with dividing their attention between gear shifting and other driving tasks such as perceiving other traffic participants. The question is whether

Challenges in modeling an automatic gear box in Modelica
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Modeling and simulation of a physical system which is under development is a common procedure. But common simulation environments such as Simulink, Dymola and so forth still exhibit limitations. In particular it is not possible to change the set of the equations of a

Study of Tractor AMT Automatic Gear Shift Based on Artificial Neural Network
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Abstract: The paper aims at the complex situation of the tractor field operation and adopts the gear shift rule of two parameters to control the six gear shift of the tractor. Using the artificial neural network chip the model number of which is ZISC036 and the computer on

STUDY FOR THE VERIFICATION OF THE TOOTH PROFILE ACCURACY OF THEAUTOMATIC GEAR DESIGN PROGRAM
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Abstract The gear is a major mechanical element for the power transmission between two adjacent axes. Even though tooth profile of the gear is made of involute and cycloid curve, involute curved gear is generally used by the easiness of the fabrication and assembly.

Optimal gear selection on an automatic bicycle
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Abstract This paper describes an electronically controlled automatic transmission which was designed and built for use on a bicycle as a final year university project. The particular focus of the project was on the algorithm which determines the optimal gear to select at any time

THRUST LOAD OF AUTOMATIC TRANSMISSION, SUPPORT STRUCTURE FOR NONSTEP VARIABLE SPEED GEAR, AND SUPPORT STRUCTURE
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EP-A-1 273 672 JP-A-9 053 148 JP-A-11 303 874 JP-A-2003 083 337 JP-A-2003 083 339 JP-A-2003 226 919 JP-A-2003 281 035 JP-A-2003 294 034 US-A-5 137 375 US-A-5 848

Optimal Gear Shifting Strategy for a Seven-speed Automatic Transmission
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In many applications especially those where high power densities are required, hydraulic hybrid systems can offer a more efficient alternative to those driven by electric motors. Hydraulic technology can be used to capture and transfer high levels of energy extremely

A FLEXIBLE AUTOMATIC SYSTEM FOR ASSEMBLY OFA REDUCTION GEAR BOX
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Numerous modern products contain many components where assembly is an essential part of production. The aim of assembly is to combine several workpieces into a unit. During assembly components are brought together and joined. In most cases assembly occurs

Automatic Wind Turbine Gear Fault Detection and Diagnosis
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Page 1. Automatic Wind Turbine Gear Fault Detection and Diagnosis analysis and automate the spectra comparison.SBPF proves successful in automatic gear damage detection and diagnosis even at the early stages of the fault development.

Kinematic Scheme and Design of Automatic Planetary Gear Boxes Based on a New Module
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Abstract The author has carried out analysis of the existing and projected planetary gear boxes and regarded the prospects of their application and development. New planetary systems called an all-purpose multi-line differential gear train and covered by RF patent

Automatic CAD-FEM procedure for gear analysis
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Abstract:The interest on gear noise problems is increased remarkably in the last ten years. Variable mesh stiffness, impacts and backlash affect the transmission error, main source of in desiderate noise. The control of gear geometry, as well as the influence of contact ratio

Design of Observer-based Model Predictive Controller for Gear Shift Process with AutomaticTransmission
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Abstract:During the gear shift management process, the shift time and shift shock affect the shift quality (smoothness and efficiency) greatly. In order to improve the shift quality of vehicle with Automatic Transmissions (ATs), a model predictive controller is designed for



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