ENGINEERING RESEARCH PAPERS

automotive research papers




Control-oriented modeling and analysis for automotive fuel cell systems
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ABSTRACT Fuel Cells are electrochemical devices that convert the chemical energy of a gaseous fuel directly into electricity. They are widely regarded as a potential future stationary and mobile power source. The response of a fuel cell system depends on the air and 

Recent magnesium alloy development for automotive power train applications
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ABSTRACT Creep resistance is a major requirement for the use of magnesium in automotive power train components that are currently made of aluminium or cast iron. This paper summarizes various new magnesium alloys that have been developed in recent years for 

Magnesium: current and potential automotive applications
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ABSTRACT In this paper, the material properties, structural performance, mass saving potential, design and manufacturing characteristics of magnesium are compared with various competing materials such as cast iron, steel sheet, aluminium alloys, and polymers. The 

AUTomotive Open System ARchitecture-an industry-wide initiative to manage the complexity of emerging automotive E/E-architectures
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ABSTRACT The current automotive electric/electronic (E/E) architecture landscape is characterized by proprietary solutions, which seldom allow the exchange of applications between both automotive OEMs and their suppliers. It is apparent that on the basis of a 

Development of improved injury criteria for the assessment of advanced automotive restraint systems–II
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The National Highway Traffic Safety Administration's (NHTSA) plans for upgrading the Federal Motor Vehicle Safety Standard (FMVSS) No. 208 frontal crash protection safety standard include improving protection requirements for the normally seated mid-sized 

The organization of parts purchases in the Japanese automotive industry
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It is often claimed that the distinctive feature of Japanese industrial organization is the presence of horizontal and vertical firm groupings (business groups and keiretsu) and the prevalence of the" subcontractor relationship" between a firm and its suppliers. The 

Speechdat-car: A large speech database for automotive environments
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ABSTRACT SpeechDat-Car aims to develop a set of speech databases to support training and testing of multilingual speech recognition applications in the car environment. As a result, a total of ten (10) equivalent and similar resources will be created. The 10 languages are 

Issues that influence magnesium's use in the automotive industry
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ABSTRACT Over the past 10 years, magnesium applications in the North American automotive industry have increased from 1 to~ 4 kg per vehicle. Some vehicles have almost 17 kg of magnesium components and others have almost none. Parts vary in size from the small ( 

Automotive active suspensions Part 1: basic principles
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Automotive suspension design is a compromise brought about by the conflicting demands of ride and handling. The past few years have seen the introduction of increasingly sophisticated, electronically controlled, components into automotive suspensions which 

Analytical target cascading in automotive vehicle design
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The product development process for complex artifacts is most effective when the required design tasks can be accomplished in a concurrent and consistent manner. Concurrency means that individual design tasks are conducted separately, and consistency means that 

Numerical analysis of automotive disc brake squeal: a review
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This paper reviews numerical methods and analysis procedures used in the study of automotive disc brake squeal. It covers two major approaches used in the automotive industry, the complex eigenvalue analysis and the transient analysis. The advantages and 

Towards characterizing and classifying communication-based automotive applications from a wireless networking perspective
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ABSTRACT Together, the Dedicated Short Range Communication (DSRC) and Vehicular Ad Hoc Network (VANET) technologies provide a unique opportunity to develop various types of communication-based automotive applications. To date, many applications have been 

On the applicability of product variety design concepts to automotive platform commonality
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ABSTRACT The issue of moving from a mass production operating mode to mass customization, or even limited customization, has many companies struggling to reorganize their product architectures. Enabling the production of several related products for different 

An ultrasonic sensor for distance measurement in automotive applications
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ABSTRACT This paper describes an ultrasonic sensor that is able to measure the distance from the ground of selected points of a motor vehicle. The sensor is based on the measurement of the time of flight of an ultrasonic pulse, which is reflected by the ground. A 

Nonlinear analysis of automotive hydraulic engine mount
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Nonlinear properties of a generic hydraulic mount with an inertia track are identified an d characterized by using experimen tal and analytical approaches. A lo vi-frequency lumped- parameter mathematical model of the hydraulic mount is developed over 1 to SO Hz, 

The contractual framework for parts supply in the Japanese automotive industry
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It is reported that the General Motors Corporation has begun a major renovation of the main full-size-car plant of its Buick Division, Buick City, Flint, Michigan, in order to boost productivity, and that, as part of this plan, it is attempting to induce its parts manufacturers 

Development of improved injury criteria for the assessment of advanced automotiverestraint systems
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BACKGROUND Injury criteria have been developed in terms that address the mechanical responses of crash test dummies in terms of risk to life or injury to a living human. They are based on an engineering principle that states that the internal responses of a mechanical 

Dynamic pricing and the direct-to-customer model in the automotive industry
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ABSTRACT The Internet is changing the automotive industry as the traditional manufacturer and dealer structure faces increased threats from third party e-tailers. Dynamic pricing together with the Direct-to-Customer business model can be used by manufacturers to respond to 

Automotive applications of magnesium alloys
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Automotive applications of magnesium and its alloys
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ABSTRACT Today's interest in magnesium alloys for automotive applications is based on the combination of high strength properties and low density. For this reason magnesium alloys are very attractive as structural materials in all applications where weight savings 

IT support for release management processes in the automotive industry
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Car development is based on long running, concurrently executed and highly dependent processes. The coordination and synchronization of these processes has become a complex and error-prone task due to the increasing number of functions and embedded 

Guidelines for jury evaluations of automotive sounds
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ABSTRACT The following document is a set of guidelines intended to be used as a reference for the practicing automotive sound quality (SQ) engineer with the potential for application to the field of general consumer product sound quality. Practicing automotive 

Issues in the automotive parts remanufacturing industry: a discussion of results from surveys performed among remanufacturers
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ABSTRACT A dramatic reduction in the environmental impact of production practices can arguably be made by pursuing product remanufacture in which, in contrast to material recycling, the geometrical form of the product is retained and its associated economical 

Nonlinear and hybrid systems in automotive control
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Rolf Johansson and Anders Rantzer (Eds.) Nonlinear and Hybrid Systems in Automotive Control With 160 Figures Springer Page 2. Contents  256 11.7 Automotive Application: Fault Diagnosis of a Power Stage 257 11.8 Conclusions 260 11.9 References 260 12. 

Automotive radar–Status and trends
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ABSTRACT The paper gives a brief overview of automo-tive radar. The status of the frequency regulation for short and long range radar is summarized because of its importance for car manufacturers and their sensor suppliers. Front end concepts and antenna techniques of 

The OEM-FTS relationship in automotive industry
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This paper is part of the project named" Coordinating Competencies and Knowledge in the Auto Industry" (CoCKEAS) carried on by some research groups associated to GERPISA International Network and subdivided in five work packages. This one is conventionally 

The coordination of competencies and knowledge: a critical issue for regional automotive systems
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The paper presents the GERPISA international network's new research programme (2000- 2003) on the coordination of competences and knowledge in regional automotive systems. After defining a theoretical approach to the issue of coordination, the paper analyses the 

A system-safety process for by-wire automotive systems
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ABSTRACT Steer-by-wire and other" by-wire" systems (as defined in the paper) offer many passive and active safety advantages. To help ensure these advantages are achieved, a comprehensive system-safety process should be followed. In this paper, we review 

FlexRay-a communication network for automotive control systems
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• CAN? 1st car use 2002; widely adopted in automotive products? CAN-B (ISO 11898-3): 125kbps, VUL= 1.5 V, VUH= 3.5 V? CAN-B (SAE J2411): 33kbps, VUL= 0V, VUH= 4.1 V? CAN-C (SAE J2284): 500kbps, designed limit of 1 Mbps rarely implemented today

Hypercars, hydrogen, and the automotive transition
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Designing and making cars differently-emphasising ultralight weight, ultralow drag, and integrated design-can reduce required propulsive power by about two-thirds. This can make direct-hydrogen fuel cells and commercially available compressed-hydrogen-gas tanks 

Predictions of microstructures when welding automotive advanced high-strength steels
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ABSTRACT Weld strength, formability, and impact resistance for joints on automotive steels are dependent on the underlying microstructure. A martensitic weld area is often a precursor to reduced mechanical performance. In this paper, efforts are made to predict underlying 

An investigative overview of automotive disc brake noise
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ABSTRACT Disc brake noise continues to be a major concern throughout the automotive industry despite efforts to reduce its occurrence. As a major supplier of automotive brake components, Delphi Chassis is continually investigating means to reduce disc brake noise 

Catalytic activity and structural stability of La0. 9Ce0. 1Co1- xFexO3 perovskite catalysts for automotive emissions control
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ABSTRACT One of the most important issues of automotive catalysts is the endurance of fluctuations between reductive and oxidative (redox) atmospheres at high temperatures exceeding 1173 K. The catalytic activity and structural stability of La0. 9Ce0. 1Co1- x 

Designing for material separation: lessons from automotive recycling
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ABSTRACT Virtually all of the material in today's automobiles can technically be recycled. The challenge facing engineers is making this recycling process economical, especially for materials in such components as seats and instrument panels. Recycling these 

Review on zirconia air-fuel ratio sensors for automotive applications
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During the operation of a gasoline engine, the air-fuel ratio (A/F) is a key parameter in controlling fuel consumption and pollutant emissions. In this article, the various zirconia A/F sensors for automotive applications such as the stoichiometric? sensor, the limiting current 

The coming age of collaboration in the automotive industry
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From Mercer Management Journal 17 www. mercermc. com/mmj vehicle engineering and production (excluding sales, replacement parts, and service) should grow at an annual rate of 2.6%, to 903 billion in 2015. During this period, the automotive industry as a whole will 

Supplement: Development of improved injury criteria for the assessment of advancedautomotive restraint systems–II
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In the SNPRM on advanced air bags, NHTSA proposed a comprehensive set of injury criteria for evaluating the potential for injury to the head, neck, chest and lower extremities for the various dummy sizes, ranging from the 1-year-old child to the 50th percentile male. 

Automotive power source in 21st century
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ABSTRACT This paper describes the state and future trends of the conventional vehicles as well as advanced vehicles. In the 21st century, owing to social demands for low emissions, low energy consumption and oil-alternative resources, it seems that the keen competition for 

Light-duty automotive technology and fuel economy trends: 1975 through 2005
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This report summarizes key fuel economy and technology usage trends related to model year 1975 through 2005 light-duty vehicles sold in the United States. Light-duty vehicles are those vehicles that EPA classifies as cars or light-duty trucks (sport utility vehicles, vans, 

Flow separations generated by a simplified geometry of an automotive vehicle
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The aerodynamic forces on road vehicles are the result of complex interactions between flow separations and the dynamic behavior of the released vortex wake. Successful future car design needs to take advantage of these interactions to improve flow control by means 

Analysis of a planar solid oxide fuel cell based automotive auxiliary power unit
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ABSTRACT The solid oxide fuel cell (SOFC) system has emerged as an important technology for automotive and stationary applications. Modeling and simulation of the SOFC system have been utilized as an integral tool in an accelerated joint SOFC system 

Can available membranes and catalysts meet automotive polymer electrolyte fuel cell requirements
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Over the past few years, significant R&D efforts have been aimed at meeting the challenging cost and performance targets required for the use of polymer electrolyte fuel cells (PEFCs) in automotive applications. Besides engineering advances in bipolar plate materials and 

Security in automotive bus systems
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ABSTRACT This work presents a study of current and future bus systems with respect to their security against various malicious attacks. After a brief description of the most well-known and established vehicular communication systems, we present feasible attacks and 

Magnesium alloy applications in automotive structures
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ABSTRACT The use of magnesium alloys in structural applications has great potential for the lightweighting of transportation vehicles. Research within the CAST Cooperative Research Centre has tackled some of the important issues related to the use of magnesium in 

A sensitivity-based commonality strategy for family products of mild variation, with application toautomotive body structures
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Identification of the product platform is a key step in designing a family of products. This article presents a methodology for selecting the product platform by using information obtained from the individual optimization of the product variants. Under the assumption 

Proving consistency assertions for automotive product data management
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We present a formal specification and verification approach for industrial product data bases containing Boolean logic formulae to express constraints. Within this framework, global consistency assertions about the product data are converted into propositional 

Technical issues of fuel cell systems for automotive application
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ABSTRACT Fuel cell systems are seen as the ultimate solution to environmental issues such as CO2 emissions and air pollution. There is much current work aimed at developing FC vehicles (FCVs), which are expected to be on the market around 2003. However, in order 

Hot-stamping boron-alloyed steels for automotive parts
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Most North American and European car manufacturers now are specifying hot-stamped parts for their new vehicles to take advantage of the superior strength achieved by hot forming and quenching. Hot stamping has shown exceptional development and growth for 

Boosting re-use of embedded automotive applications through rich components
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ABSTRACT This paper aims at boosting the level of re-use in design for automotive applications. We see as a key vehicle to achieve this goal the development of rich component models, which are expressive enough to cover the complete development 

Critical embedded automotive networks
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tems (generically called X-by-wire) has already started and may be complete within this decade. Among the anticipated benefits: better fuel economy, better vehicle performance in adverse conditions, and advances in safety features such as collision warning and even 

Guidelines for jury evaluations of automotive sounds
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Room Acoustics. If the sounds are presented over loudspeakers in any room other than an anechoic chamber, the frequency characteristics of the room will be superimposed on the frequency characteristics of the loudspeaker and the sounds. Room resonances will then 

AutoMoDe-notations, methods, and tools for model-based development of automotivesoftware
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ABSTRACT This paper describes the first results from the AutoMoDe project (Automotive Model-based Development), where an integrated methodology for model-based development of automotive control software is being developed. The results presented 

Technological globalisation and intra-company coordination in the automotive sector: the case of Delphi–Mexico
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The purpose of this article is to describe the process of technological globalisation within the context in Mexico, specifically in one of the most important autoparts firms: Delphi. The Delphi–Mexico Technical Centre (MTC) was created in 1995, as part of three structural 

Aluminium alloys for automotive application
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ABSTRACT The characteristic properties of the two main alloy systems of non heat-treatable (Al- Mg-Mn) and heat-treatable (Al-Mg-Si) alloys used for automobile application are presented. Their specific properties and principal differences are described and the effects of various 

An integrated approach for assessment of manufacturing sectors based on machine performance: the cases of automotive and food and beverages industries
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ABSTRACT This paper presents a framework for assessment and ranking of manufacturing systems based on machinery productivity indicators. The integrated approach discussed in this paper is based on principle component analysis (PCA). The validity of 

Frame packing algorithms for automotive applications
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The set of frames exchanged in automotive applications must meet two constraints: it has to be feasible from a schedulability point of view and it should minimize the network bandwidth consumption. This latter point is important since it allows the use of low cost electronic 

Modularisation and outsourcing: who drives whom? A study of generational sequences in the USautomotive cockpit industry
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In this paper, we study the interactions between modularity and outsourcing in the auto industry. Focusing on vehicle cockpit projects in North America, we collect data over three product architecture generations and the associated shifts in firm boundaries for multiple 

Infrared microbolometer sensors and their application in automotive safety
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Recently the emergence of a new generation of infrared sensors-the microbolometer technology-based on an infrared thermal detection mechanism which is particularly suited to operate at ambient temperature has opened the opportunity for achieving low cost 

The sentient car: Context-aware automotive telematics
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ABSTRACT We consider the implementation of a vehicle-based sentient space, which enables context-aware on-board systems with the ability to cooperate and adapt to changing conditions and events. This paper also describes the Sentient Car as a testbed, and the 

Fullerene-like soot from EuroIV diesel engine: consequences for catalytic automotive pollution control
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ABSTRACT Soot particulates from an EuroIV diesel engine are sampled and investigated by high-resolution electron microscopy (HRTEM) and thermal gravimetry. The experiments reveal a drastic reduction of primary particle size down to less than 20 nm, much smaller 

Use of collapsible structural elements as impact isolators, with special references to automotiveapplications
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Part 1: Simple struts have been impacted between travelling and stationary masses and the collapse found to consist of two distinct phases. The pre-failure phase, being primarily an elastic region, has been analysed by stability criteria and the post-failure phase by 

Generating on-board diagnostics of dynamic automotive systems based on qualitative models
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On-board diagnostic systems play an important role in the current generation of cars and will play an increasingly important role in the next future. The design of on-board diagnostic systems is a challenging problem under several points of view. In this paper we discuss .

automatic dipper lights



Automatic High Beam Controller for Vehicles
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It is possible to implement because the device is cheap in cost, easy to implement and it works automatically. [6] Automotive Products http://www.gentex.com/automotive/products/forward- driving-assist [7] AUTOMATIC HEAD LIGHTDIPPER UNIT http

Electronic Head Lamp Glare Management System for Automobile Applications
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Second mode-enable the system to operate fully automatic and hence the driver can almost forget first momentary dip is given by the vehicle fitted with the auto dipper automatically to Low where near steering as per convenience so that ON-OFF switch on auto dipper box can

Intelligent and Adaptive Headlight with Electronic Controlled Power Steering System (IAEPS)
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Automatic light dimmer, which consist of two LDR based light intensity sensor. At the time of crossing the vehicle headlight automatically dipped when two vehicles are dipped at distance approximately 130 meter by using momentary dip with auto dipper.

wiper control for vehicle



Smart Wiper Control System
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CAN Control System for an Electric Vehicle, Bachelor Thesis, University of Canterbury Christchurch, New Zealand, 2005. AUTHOR

Comparison of lidar-based and radar-based adaptive cruise control systems
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If a potential threat does occur, appropriate smooth corrective vehicle control actions and Human-Machine Interfaces are implemented in order to minimize the risk. Selective instrument panel switches (eg: windshield wiper, radio adjustments, etc.) are continually monitored and

Detection of Raindrops on a Windshield from an In-vehicle Video Camera
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According to an evaluation experiment, raindrops were detected precisely enough for automatic wipercontrol by the proposed method. Keywords: Raidrop detection, In-vehicle camera, Time-series information, Subspace method 1. Introduction.

Dynamic modeling and control of the windshield wiper mechanisms
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The linkage forces are supported by the sheet metal of the vehicle's bodywork. sector wipe patterns (f). The modern design process of the products (in this case, the wiper mechanisms) involves conceptual and functional design, command control, digital mock-up

Simulation and Validation of Component-Based Automotive Control Software
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A case study about the development and validation of an automotive wiper control system demon- strates the capacity of the presented validation process. 1 INTRODUCTION A large number of tasks in a modern vehicle is controlled by electronic control systems nowadays.

Complex eigenvalue analysis of windscreen wiper chatter noise and its suppression by structural modifications
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Study of Windshield Wiper Noise, BEng Thesis, Dept. 2006. Complex eigenvalue analysis and dynamic transient analysis in predicting disc brake squeal,

Robust-intelligent traffic signal control within a vehicle-to-infrastructure and vehicle-to-vehicle communication environment
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attempts to develop proactive (or prediction based) adaptive control systems have occurred. yaw rate, steering wheel angle, etc.), vehicle status data (eg electronic stability system data, wheel slip, anti-lock brake status, turn signals, windshield wiper status, rain sensor

Suppressing chatter noise in windscreen wiper operation using a robust hybrid controller
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chatter noise and its suppression by structural modications, International Journal Vehicle Structures systems, Fuzzy logic- based smart automatic windscreen wiper, Control Systems Magazine

Development of a Rain-Light Sensor
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the rain-sensitive wiper system. It is installed in the new GALANT FORTIS. The rain-light sensor controls the headlamps and windshield wipers, sending an activation request to ETACS(1) (Electronic Time and Alarm Control System). This data consists of vehicle information from

Communication requirements for automotive systems
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Data pre- processing Sensor 2 Signal conditioning Sensor fusion Sur- rounding objects database Vehicle motion + collision avoidance controlVehicle dynamics controller Vehicle drivetrain controller Driver warning logic

IntelliDrivesm Road Weather Research Development-the Vehicle Data Translator
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Barometric Pressure RSAS, Surface Stations Vehicle Speed, Barometric pressure, Hours of Operation Precipitation Occurrence Radar, Surface Stations, Satellite Wiper Status, Vehicle Speed, ABS, Stability Control, Traction Control, Headlight Status

Defining interfaces as services in embedded vehicle software
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Engine Oil Level Tire Inflation Status Seat Occupied Status Engine Coolant Level Turn Signal Status Traction Control Status Odometer Warning Light Status Variable Suspension Status Tire Pressure Wiper Status Window Closure Status Vehicle Location (GPS)

A next generation of observations based on passenger vehicles
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Elements such as Anti-lock Braking System (ABS), Vehicle Stability Control (VSC) and Vehicle Traction Control (VTC) could be used to infer pavement conditions and a friction index. Windshield wiper state, headlight state and vehicle speed could be used to determine the

Department of Transport
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(1) Emission control system leaking, incomplete or incorrectly assembled. (2) Obviously above vehicle manufacturers recommendations. (3) For vehicles first registered before 1st day of October, 1986, the carbon monoxide content is more than 4.5% at idling speed.

Overview of the vehicle data translator
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Precipitation Occurrence Radar, Surface Stations, Satellite Wiper Status, Vehicle Speed, ABS, Stability Control, Traction Control, Headlight Status Radar, Surface Stations Vehicle Speed, ABS, Stability Control, Traction Control, Temperature, Wiper Status

Goals and prospects of embedded electronic automotive systems
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application software Software Micro- controleur Function Windscreen wiper Power Distribution Power key Rain sensor Vehicle speed Control FONCTIONAL THE EMBEDDED THE NETWORK screen Powertrain Body

Automotive mechanics
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timing 264 Ignition service general Spark plug service 267 Distributor service 269 Fault diagnosis 271 Diagnostic equipment 273 Technical terms 273 Review questions 21A 15 Emission controls 277 Motor vehicle pollution: sources 278 Evaporative-control system 278

Automotive technician certification test preparation manual
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Page 1. Automotive Technician Certification Test Preparation Manual Automotive Technician Certification Test Preparation Manual Author: Don Knowles Publisher: Cengage Learning ISBN: 1428321012 Published: 2012-05-30 saabsuk.com Page 2.

Component-Level Characterization for Vehicle-Level Electromagnetic Simulations
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While component-level EMC testing is an essential step in ensuring that vehicle-level performance is satisfactory, it is not uncommon to encounter EMC problems during vehicle-level EMC testing that were not observed during component Automatic Windshield WiperControl

Design Algorithm of the Windshiel d Wiper Mechanisms of the Passenger Vehicles
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hood hinge linkage design, seat mechanism design, window mechanism design, windshield wiper simulation and so on. Regarding the windshield wiper mechanisms, these are vehicle-specific systems in Figure 4. Control system block of the windshield wiper mechanism.


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