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Developing Safe and Compelling Automotive Human-Vehicle Interaction

Johnson Controls, Inc-Timothy J. Syfert, James A. Kleiss, Colleen Serafin
  • Technical Paper
  • 2004-21-0023
Published 2004-10-18 by Convergence Transportation Electronics Association in United States
The migration of consumer products technologies from home, work, and play has created a potentially perilous situation within the automobile interior. This is because today’s drivers are required to interact with complex and sometimes needlessly complicated electronic systems. While these systems bring new levels of convenience, luxury, and connectivity to today’s motorists, they are also becoming an increasing source of frustration and distraction. To address this problem, OEM’s and suppliers must implement new user interface (UI) development methodologies that keep end-user needs clearly in focus, while at the same time provide the means for an efficient, cost effective product launch.This manuscript addresses this challenge by discussing a new process for user interface definition and refinement. This methodology, based on rapid end-user experience simulation, usability testing, and appropriate cross-functional team involvement, provides the foundation for the integration and creation of technology that truly will delight customers and enhance the driving experience.
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Fuel Cell Vehicles for Future Car Concepts

Fuel Cell and Alternative Powertrain Vehicles, DaimlerChrysler AG-Andreas Truckenbrodt
  • Technical Paper
  • 2004-21-0081
Published 2004-10-18 by Convergence Transportation Electronics Association in United States
This paper gives an overview of environmental and regulatory trends driving the automotive industry and presents DaimlerChrysler's conventional and alternative powertrain activities. A survey of DaimlerChrysler's activities in the field of fuel cell vehicles and news about bringing the latest generation of fuel cell vehicles in customer hands are given. Furthermore, the fuel cell's potential to meet the increasing electrical power demand of future electrified vehicles is set out and the challenges posed on the electrical industry by fuel cell cars are outlined.
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Concept and Functionality of the Active Front Steering System

ZF Lenksysteme GmbH, Schwäbisch Gmünd, Germany-Willy Klier, Gerd Reimann, Wolfgang Reinelt
  • Technical Paper
  • 2004-21-0073
Published 2004-10-18 by Convergence Transportation Electronics Association in United States
Active Front Steering (AFS) provides an electronically controlled superposition of an angle to the steering wheel angle. This additional degree of freedom enables a continuous and driving-situation dependent adaptation of the steering characteristics. Features like steering comfort, effort and steering dynamics are optimized and stabilizing steering interventions can be performed.After the successful introduction of AFS (or active steering) together with the new BMW 5-series into the international market, ZF Lenksysteme focuses on aspects like system modularization and integration. For that reason the system bounds, its functionality, and the required system interface are defined to provide a compatibility to several overall chassis control concepts. This paper focuses on a modular system concept and its respective advantages and requirements.
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Meeting Tomorrow’s Challenges: The Role of the IC Engine

General Motors Corp-J. Gary Smyth, Roy Douglas
  • Technical Paper
  • 2004-21-0080
Published 2004-10-18 by Convergence Transportation Electronics Association in United States
Since its inception, the internal combustion (IC) engine has undergone continuous improvements with respect to efficiency and performance. Future regulatory and environmental requirements are not only driving still further improvements, but also extending the propulsion system efficiency through hybridization and potentially obsolescing the IC engine with hydrogen fuel cells.This paper describes the potential IC engine improvements to meet tomorrow’s challenges and the associated business and technical challenges in obtaining these challenges. The future propulsion system portfolio mix will encompass gasoline engines, diesel engines, hybrids and fuel cells. The critical role of the IC engine in this portfolio mix is examined.
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Standard Interfaces and Standard Software Architecture as a Means For “Go Fast” Engineering

General Motors Corporation-Joseph M. Tolkacz, Shawn Boozer
  • Technical Paper
  • 2004-21-0030
Published 2004-10-18 by Convergence Transportation Electronics Association in United States
The global market pressure of requiring high quality vehicles at lower prices has forced automotive manufacturers to change the way they engineer their products.In the electrical/electronic part of the automobile business, a strategy of reusing common hardware and software components was needed to support these market pressures. The General Motors strategy was to develop a standard electrical architecture.This paper will identify what a standard electrical architecture is, how a standard electrical architecture helps General Motors meet market demands, and issues that General Motors encountered in trying to implement this standard electrical architecture.
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Model Based Development of Automotive Human Machine Interfaces

BMW Car IT-Hariolf Gentner, Michael Ehrmann, Christian Salzmann
  • Technical Paper
  • 2004-21-0019
Published 2004-10-18 by Convergence Transportation Electronics Association in United States
The development of automotive human machine interfaces (HMI) currently lacks process consistency from the early concept up to the product implementation and test procedure. In this paper we present a solution that comprises a process and methods for specification, prototyping and testing of automotive HMIs. Our approach and the resulting process consistency are particularly relevant because of the heterogenity of the collaborating parties during the development stages: designer, ergonomist, platform designer, software developer, car tester, supplier etc.Our goal is to achieve consistency between specifications and executable prototypes in an early phase of the development process. Therefore, we have designed a software framework that enables the model based specification of automotive HMIs, including the description of components, their interfaces, communication relations, test concepts, and finally their deployment to automotive hardware platforms. The HMI framework has a special focus on requirements of future automotive HMIs such as adaptivity, personalization and multimodality.
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Diagnostic Challenges in the Automotive Workshop

Chrysler Group - DaimlerChrysler-Joseph E. Hilger, Edward J. Ford, Michael M. Flaherty
  • Technical Paper
  • 2004-21-0011
Published 2004-10-18 by Convergence Transportation Electronics Association in United States
Factors such as increasing complexity, legal and regulatory requirements, and globalization of automotive design, sourcing, manufacturing, and distribution are converging to create significant diagnostic challenges in the automotive workshop. This will require the development of strategies which leverage technology and vehicle data in ways which provide fast, accurate diagnosis and complete repair the first time the vehicle is bought in for service.
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Mating the Elephant with a Fruit Fly: Synchronizing Development Cycles in Automotive, Electronics, and Software

Forrester Research-Mark Dixon Bünger
  • Technical Paper
  • 2004-21-0090
Published 2004-10-18 by Convergence Transportation Electronics Association in United States
It’s not hyperbole to say that automakers’ survival depends on rapid innovation. But even as vehicle development cycle times have shrunk, they still fail to keep up with faster cycles in software and electronics. This costs automakers millions, possibly billions, in fruitless investments and lost opportunities. In our research into automotive design and development, engineers frequently tell us, “technology is not the problem, it’s the industry’s mindset”. So the point of this paper is not to re-hash the technical discussion, but to open that mindset up, with an unorthodox -- yet serious -- comparison of innovation in biology and industry.
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Highly Scalable and Cost Effective Hardware/Software Architecture for Car Entertainment and/or Infotainment Systems

Panasonic Automotive Systems of America (PASA)-Hans A. Troemel, Mike Burk
  • Technical Paper
  • 2004-21-0071
Published 2004-10-18 by Convergence Transportation Electronics Association in United States
In the current automotive entertainment/ infotainment environment, subsystems are segmented by traditional technological familiarity and similarity. These subsystems include the radio space, the rear seat entertainment space, the infotainment space, and the satellite radio space. All of these subsystems are connected through the entertainment bus of the car. Simply speaking, the current architecture is cumbersome, unnecessary, expensive, and it is not scalable or easily reusable. The solution is integration by removing all of the redundancies and keeping only the technological necessities, while keeping hardware and software scalable.
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A Sophisticated Approach to Product Change Approval (PCA) and Discontinue of Delivery (DOD) to Cope with Supply Chain Management in Order to Assure the Reliability of Electronic Systems

RMCtech-Armin Gottschalk
  • Technical Paper
  • 2004-21-0016
Published 2004-10-18 by Convergence Transportation Electronics Association in United States
Innovative electronic components have been leading more and more to the development of complex designed electronic control units for any application. Creative design engineers are inventing new functions in relatively short time spans driven by market demands.The new approach with the PCA (Product Change Approval) process is to focus the product requalification procedure on the actual changes. The full OEM standard qualification procedure for new products takes too long, needs too many actions and is not focused on the real change. Additionally, component discontinue of deliveries (DoD) affect very often more than one system.The PCA process categorizes the changes, combines the component qualification with the OEM standards in account with the affected systems to achieve an optimized minimum qualification procedure in time and money.All in all, the Supply Reliability Method (SRM) with its six steps developed and provided by RMCtech, offers potential cost savings in purchasing by coping with the availability and reliability of electronic components.
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