Using a formal high-level language and an automated manikin to automatically generate assembly instructions

P Mårdberg, JS Carlson, R Bohlin… - … Journal of Human …, 2014 - inderscienceonline.com
This paper presents an approach to automatically generate predetermined motion time
system (PMTS) based assembly instruction lists from simulations within digital human …

Inverse dynamics for discrete geometric mechanics of multibody systems with application to direct optimal control

S Björkenstam, S Leyendecker… - Journal of …, 2018 - asmedigitalcollection.asme.org
In this paper, we present efficient algorithms for computation of the residual of the
constrained discrete Euler–Lagrange (DEL) equations of motion for tree structured, rigid …

Enhancing digital human motion planning of assembly tasks through dynamics and optimal control

S Björkenstam, N Delfs, JS Carlson, R Bohlin… - Procedia CIRP, 2016 - Elsevier
Better operator ergonomics in assembly plants reduce work related injuries, improve quality,
productivity and reduce cost. In this paper we investigate the importance of modeling …

Digital test assembly of truck parts with the IMMA-tool-an illustrative case

L Hanson, D Högberg, M Söderholm - Work, 2012 - content.iospress.com
Several digital human modelling (DHM) tools have been developed for simulation and
visualisation of human postures and motions. In 2010 the DHM tool IMMA (Intelligently …

A novel tool for optimization and verification of layout and human logistics in digital factories

P Mårdberg, J Fredby, K Engström, Y Li, R Bohlin… - Procedia CIRP, 2018 - Elsevier
We introduce a novel digital factory layout tool that optimizes both the layout of machines
and the corresponding ergonomic logistics considering space constraints. A model is …

[PDF][PDF] Automatic creation of manikin motions affected by cable forces

N Delfs, R Bohlin, S Gustafsson, P Mårdberg… - Procedia Cirp, 2014 - core.ac.uk
Effective simulation of manual assembly operations considering ergonomic load and
clearance demands requires detailed modeling of human body kinematics and motions …

Digital human motion planning of operation sequences using optimal control of hybrid systems

S Björkenstam, P Mårdberg, M Roller, JS Carlson - DHM2020, 2020 - ebooks.iospress.nl
In IPS-IMMA the operation sequence planning tool offers an easy and powerful way to
construct, analyze, and simulate sequences of human operations. So far, the simulations …

Using ergonomic criteria to adaptively define test manikins for assembly operations

P Mårdberg - 2014 - odr.chalmers.se
Sammanfattning Digital Human Modeling software is an important tool in virtual
manufacturing that allows simulation of manual assembly work. Thus, it is possible to …

Comparison of algorithms for automatic creation of virtual manikin motions

N Delfs, R Bohlin, P Mårdberg… - … in Applied Human …, 2012 - api.taylorfrancis.com
The manikin used in this work has 162 degrees of freedom and uses an exterior root. To
describe operations and facilitate motion generation, the manikin is equipped with …

Using ergonomic criteria to adaptively define test manikins for design problems

P Mårdberg, JS Carlson, R Bohlin… - … in Applied Human …, 2012 - api.taylorfrancis.com
266 predetermined test manikins cover all the cases, or does there exist manikins that suffer
from bad ergonomics even though all the test manikins turned out well? In this paper, we …