Ulf Sellgren
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View article: INTEGRATED MODULARIZATION METHODOLOGY AND PROCESS FOR HEAVY-DUTY TRUCKS
INTEGRATED MODULARIZATION METHODOLOGY AND PROCESS FOR HEAVY-DUTY TRUCKS Open
Product architecting involves conceptual system design, module identification (clustering) and product layout design. In this paper, we propose a new clustering-based process and methodology for heavy-duty truck modularization that integra…
View article: ARCHITECTING COMPLEX ENGINEERED SYSTEMS
ARCHITECTING COMPLEX ENGINEERED SYSTEMS Open
Novel products are commonly realized by integrating heterogeneous technologies. Product architecting focus on defining the scheme by which the product functions are allocated to physical components. A DSM-based clustering method that integ…
View article: Choosing proper relation weights in product architecture clustering : a literature review
Choosing proper relation weights in product architecture clustering : a literature review Open
This technical report was conducted at the department YMS - PDM & CAD (Product Data Management & Computer Aided Design) at Scania and at KTH Royal Institute of Technology in Stockholm, Sweden. The report serves as a part delivery o…
View article: Introducing Implementation Dependent Behavior Into Integrated Product Architecture Clustering
Introducing Implementation Dependent Behavior Into Integrated Product Architecture Clustering Open
We propose a new extended version of the previously introduced Integrated Modularization Methodology (IMM) that integrates technical complexity and business strategic concerns when clustering the architecture. The extended IMM (eIMM) adds …
View article: A Flexible Chain Proposal for Winch Based Point Absorbers
A Flexible Chain Proposal for Winch Based Point Absorbers Open
Ocean wave power is a promising renewable energy source for future energy production. It has however been difficult to find a cost-effective solution to convert the wave energy into electricity. The harsh marine environment and the fact th…
View article: Modularisation and product description : a review and a focused case
Modularisation and product description : a review and a focused case Open
This technical report contains the results from the first step of a Ph.D. project in the field of modularisation and product description, conducted by the author at Scania CV AB in Södertälje and at KTH Royal Institute of Technology in Sto…
View article: The effect of manufacturing tolerances on the thermomechanical load of gearbox synchronizers
The effect of manufacturing tolerances on the thermomechanical load of gearbox synchronizers Open
Transmission performance is crucial for heavy trucks and connected vehicles in general and for platooning of trucks in particular. Gearbox synchronizers are highly loaded conical friction brakes used during gear shifts. Service life and, t…
View article: PRODUCT ARCHITECTURE TRANSITION IN AN EVOLVING MULTI-BRAND ORGANISATION
PRODUCT ARCHITECTURE TRANSITION IN AN EVOLVING MULTI-BRAND ORGANISATION Open
A modular architecture is a strategic means to deliver external variety and internal commonality. A methodology for product modularization that integrates complexity and strategies is proposed and logically verified with an industrial case…
View article: Design optimization of haptic device - A systematic literature review
Design optimization of haptic device - A systematic literature review Open
Performance requirements for high-performing haptic devices are usually multi-criteria. Sometimes the requirements are interacting, and several of them are conflicting. Optimization is one of the main approaches to scrutinize the design sp…
View article: Durable winch-based point absorbers
Durable winch-based point absorbers Open
Wave power could give a significant contribution to a future sustainable energy system if the Levelized Cost Of Energy can be reduced to a competitive level. Winch-based point absorbers could potentially accomplish this if a key component …
View article: Efficient and situated design of haptic devices
Efficient and situated design of haptic devices Open
It is a challenging task to develop and optimize a high-performing haptic device for, e.g., medical training,because of the multi-objective performance requirements, and the complex relations between the design variablesand the performance…
View article: An Approach to Integrated Modularization
An Approach to Integrated Modularization Open
A modular architecture is a strategic means to deliver external variety (to the customers) and internal commonality (to the manufacturing organization). A common view is that a module should be a physical and functional building block, wit…
View article: Reliability Assessment with Varying Operating Conditions
Reliability Assessment with Varying Operating Conditions Open
Product reliability is a systems property that cannot be attributed to a single component. It is in many cases related to interactions between components, or to interactions between humans and the technical system. Product functionality in…
View article: Situated Design Optimization of Haptic Devices
Situated Design Optimization of Haptic Devices Open
It is a complex task to develop and optimize a high-performing haptic device. Design optimization scenarios with predefined and fixed sets of performance requirements are presented in literature. However, the early design optimization phas…