Horst E. Friedrich
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View article: Life Cycle Analysis of an On-the-Road Modular Vehicle Concept
Life Cycle Analysis of an On-the-Road Modular Vehicle Concept Open
In order to reduce the environmental impacts caused by the transport sector, autonomous and electrified on-the-road modular vehicles (otrm) could be a solution. By separating the drive unit from the transport unit, they enable use cases fo…
View article: Monitoring and Forecasting of Key Functions and Technologies for Automated Driving
Monitoring and Forecasting of Key Functions and Technologies for Automated Driving Open
Companies facing transformation in the automotive industry will need to adapt to new trends, technologies and functions, in order to remain competitive. The challenge is to anticipate such trends and to forecast their development over time…
View article: New Operating Strategies for an On-the-Road Modular, Electric and Autonomous Vehicle Concept in Urban Transportation
New Operating Strategies for an On-the-Road Modular, Electric and Autonomous Vehicle Concept in Urban Transportation Open
Today commercial transport in urban areas faces major challenges. These include making optimal use of limited space, avoiding empty trips, meeting driver shortages as well as reducing costs and emissions such as CO2, particulate matter and…
View article: Stand-Alone Battery Thermal Management for Fast Charging of Electric Two Wheelers—Integrated Busbar Cooling
Stand-Alone Battery Thermal Management for Fast Charging of Electric Two Wheelers—Integrated Busbar Cooling Open
This paper presents a thermal interface for cylindrical cells using busbar-integrated cooling channels. This interface is available due to the use of a stand-alone refrigerant circuit for the thermal management of the battery. A stand-alon…
View article: Potential for Use of Veneer-Based Multi-Material Systems in Vehicle Structures
Potential for Use of Veneer-Based Multi-Material Systems in Vehicle Structures Open
In the past, the focus for the development of modern vehicle structures was very much on lightweight construction. However, there are increasing aspirations to develop not only light but also sustainable solutions which use resources effic…
View article: Characterisation of thermoplastic foam core materials for sandwich applications under crash load
Characterisation of thermoplastic foam core materials for sandwich applications under crash load Open
Based on the requirements on the overall vehicle like driving dynamics, comfort, safety, ergonomics, costs, environmental safety and image the specific requirements on body-in-white components can be derivate. An important task of the mate…
View article: Representing argumentation schemes with Constraint Handling Rules (CHR)
Representing argumentation schemes with Constraint Handling Rules (CHR) Open
We present a high-level declarative programming language for representing argumentation schemes, where schemes represented in this language can be easily validated by domain experts, including developers of argumentation schemes in informa…
View article: A mixed-methods approach to derive vehicle concepts for urban mobility
A mixed-methods approach to derive vehicle concepts for urban mobility Open
The mobility behaviour of the urban population and the thereby potential shifts in demands create amended requirements for the current available and/or future-conceivable mobility possibilities. Furthermore, developments such as the increa…
View article: Representing Argumentation with Constraint Handling Rules
Representing Argumentation with Constraint Handling Rules Open
The language for representing argumentation schemes presented here, for the purpose of automatically constructing arguments, uses Constraint Handling Rules (CHR), a declarative, Turing complete, forwards-chaining, rule-based programming la…
View article: Direct cooling for fast charging of electric vehicles
Direct cooling for fast charging of electric vehicles Open
Fast charging electric vehicles will pose new challenges for battery thermal management systems. The waste heat produced by the battery cell exceeds the maximum cooling capacities of state of the art cooling systems. This paper introduces …
View article: Scenario analyses for the techno-economical evaluation of the market diffusion of future commercial vehicle concepts
Scenario analyses for the techno-economical evaluation of the market diffusion of future commercial vehicle concepts Open
The article presents a bottom-up approach to model the German road haulage market of new light and heavy commercial vehicle registrations with different gross vehicle weights and competing powertrain technologies considering different tran…
View article: Development of a Transport Application based Cost Model for the assessment of future commercial vehicle concepts
Development of a Transport Application based Cost Model for the assessment of future commercial vehicle concepts Open
The Total Cost of Ownership and the payback period are main purchase criterions of fleet operators regarding the acquisition of new commercial vehicles. Therefore, critical success factors are purchase and operating costs. However, purchas…
View article: A disaggregated approach to model international passenger car markets and their interdependencies
A disaggregated approach to model international passenger car markets and their interdependencies Open
The article presents an innovative approach to model the market penetration of electrified powertrains in
\npassenger cars on different international markets. For that purpose, the VECTOR21 model was enhanced to
\ndepict the major car mark…
View article: DEVELOPMENT AND PERFORMANCE OF AN IN-WHEEL SUSPENSION CONCEPT WITH AN INTEGRATED E-DRIVE
DEVELOPMENT AND PERFORMANCE OF AN IN-WHEEL SUSPENSION CONCEPT WITH AN INTEGRATED E-DRIVE Open
In the presented paper the development of a suspension for electrically driven vehicles is shown. The suspension is developed through the application of a methodical procedure model that was previously developed at the German Aerospace Cen…
View article: Vehicle concepts for tomorrow’s demand: a European research perspective
Vehicle concepts for tomorrow’s demand: a European research perspective Open
The keynote presentation covers vehicle concepts with aspects of alternative drivetrains, lightweight technologies and automation.
View article: New Approach for a Comprehensive Method for Urban Vehicle Concepts with Electric Powertrain and their Necessary Vehicle Structures
New Approach for a Comprehensive Method for Urban Vehicle Concepts with Electric Powertrain and their Necessary Vehicle Structures Open
By the strict discussions regarding energy saving and the goal to reduce CO2 emissions to 95g CO2/km, which is specified for the year 2020, [1] there is a keen demand for lighter and lightweight designed automotive structures to support th…