Johan Lööf

Forskare at Chalmers, Industrial and Materials Science, Product Development

Johan Lööf is a researcher at the department of product and production development. He belongs to the research group Robust Design and Variation Simulation which focus on minimizing the effect of geometrical variation. His special research interest is locating scheme optimization, tolerance allocation, and visualization of variation. The research has been performed in close collaboration with industry especially aerospace, automotive and robotics industry.

Source: chalmers.se

Projects

2013–2016

Optimering av livscykelrobusthet i tidiga utvecklingsfaser II

Ola Isaksson Product Development
Rikard Söderberg Product and Production Development
Jonas Landahl Product Development
Anders Forslund Product Development
Johan Lööf Product Development
VINNOVA

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Publications

2016

Robust design of aero engine structures: Transferring form error data when mapping out design spaces for new turbine components

Anders Forslund, Julia Madrid Ruiz, Johan Lööf et al
Proceeding of the 14th CIRP Conference on Computer Aided Tolerancing, CIRP CAT 2016,. Vol. 43, p. 47-51
Conference paper - peer reviewed
2016

Welding of non-nominal geometries – physical tests

Kristina Wärmefjord, Rikard Söderberg, Mikael Ericsson et al
Procedia CIRP. Vol. 43, p. 136-141
Conference paper - peer reviewed
2012

Robust lifecycle optimization of turbine components using simulation platforms

Anders Forslund, Christoffer Levandowski, Johan Lööf et al
Proceedings of the 28th Congress of the International Council of the Aeronautical Sciences, ICAS 2012. Vol. 4, p. 2593-2604
Conference paper - peer reviewed
2012

Discrete tolerance allocation for product families

Johan Lööf, Rikard Söderberg,
Engineering Optimization . Vol. 44 (1), p. 75-85
Scientific journal article - peer reviewed
2011

MULTIDISCIPLINARY ROBUSTNESS EVALUATIONS OF AERO ENGINE STRUCTURES

Anders Forslund, Rikard Söderberg, Ola Isaksson et al
XX International Symposium on Air Breathing Engines 2011 (ISABE 2011), Proceedings of a meeting held 12-16 September 2011, Gothenburg, Sweden
Conference paper - peer reviewed
2011

Virtual Robustness Evaluation of Turbine Structure Assemblies Using 3D Scanner Data

Anders Forslund, Rikard Söderberg, Johan Lööf et al
Proceedings of the ASME 2011 International Mechanical Engineering Congress & Exposition . Vol. 1, p. 157-165
Conference paper - peer reviewed
2011

Multidisciplinary Robustness Evaluations of Aero Engine Structures

Anders Forslund, Rikard Söderberg, Johan Lööf et al
20th ISABE Conference 2011 Proceedings
Conference paper - peer reviewed
2011

Robustness in aerospace components manufacturing and fabrication – a case study

Johan Vallhagen, Johan Lööf, Rikard Söderberg et al
Proceedings of ISABE2011
Conference paper - peer reviewed
2010

Robust Tolerance Design Applied on Robot Concept Development

Peter Edholm, Johan Lööf, Arne Trangärd et al
8th International NordDesign Conference, NordDesign 2010; Goteborg; Sweden; 25 August 2010 through 27 August 2010, p. 21-30
Conference paper - peer reviewed
2010

Optimizing Locator Position to Maximize Robustness in Critical Product Dimensions

Johan Lööf, Lars Lindkvist, Rikard Söderberg et al
Proceedings of the ASME 2009 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, IDETC/CIE 2009, August 30 - September 2, 2009, San Diego, California, USA, p. 515-522
Conference paper - peer reviewed
2008

Secure Variation along a Robot Path using Discrete Tolerance Allocation Optimization

Johan Lööf, Rikard Söderberg, Lars Lindkvist et al
Proceedings of the 2nd CIRP Conference on Assembly Technologies and Systems, 21-23 September 2008, Toronto, Ontario, Canada
Conference paper - peer reviewed
2007

Top-Down Decomposition of Multi-Product Requirements onto Locator Tolerances

Johan Lööf, Rikard Söderberg,
Proceedings of IMECE2007, 2007 ASME International Mechanical Engineering Congress and Exposition, November 11-15, 2007, Seattle, Washington, USA.
Conference paper - peer reviewed
2007

Envelope of Rotating Parts Based on Motion and Variation Simulation Data

Johan Lööf, Lars Lindkvist, Rikard Söderberg et al
10th CIRP Conference on Computer Aided Tolerancing, Specification and Verification for Assemblies, March 21-23, Erlangen, Germany, 2007
Scientific journal article - peer reviewed
2007

An Efficient Solution to the Discrete Least-Cost Tolerance Allocation Problem with General Loss Functions

Johan Lööf, Tomas Hermansson, Rikard Söderberg et al
Models for Computer Aided Tolerancing in Design and Manufacturing
Chapter in monograph, book
2006

Visualization of Motion Envelope of Parts and Assemblies Based on Simulation or Measurement Data

Johan Lööf, Lars Lindkvist, Rikard Söderberg et al
Proceedings of IMECE2006, 2006 International Mechanical Engineering Congress and Exposition, November 5-10, 2006 Chicago, Illinois, USA
Conference paper - peer reviewed
2006

Visualization of Variation in Early Design Phases: A Convex Hull Approach

Johan Lööf, Rikard Söderberg, Lars Lindkvist et al
Proceedings of The Design 2006 9th International Design Conference, May 15-18, Dubrovnik, Croatia. Vol. 2, p. 905-912
Conference paper - peer reviewed
2005

Allokering av symmetriska toleranser i komplexa sammansättningar

Tomas Hermansson, Johan Lööf,
Master's Thesis
2005

An Efficient Solution to the Discrete Least-Cost Tolerance Allocation Problem With General Loss Functions

Johan Lööf, Tomas Hermansson, Rikard Söderberg et al
The 9th CIRP International Seminar on Computer Aided Tolerancing, April 11-12, Tempe, Arizona, USA
Conference paper - non peer reviewed