Goffin, S., Bonnabel, S., Bruls, O., & Sacré, P. (2023). Invariant Kalman Filtering with Noise-Free Pseudo-Measurements. In Proceedings of the 62nd IEEE Conference on Decision and Control. IEEE Control Systems Society (CSS). doi:10.1109/CDC49753.2023.10383262
Peer reviewed
Ashraf, H., Boutaayamou, M., Bruls, O., & Schwartz, C. (11 October 2022). Human Activity Recognition for the Assessment of Daily-life Activities Using Machine Learning [Poster presentation]. 20th National Day of Biomedical Engineering, Brussels, Belgium.
This study is part of a larger project that focuses on the recording and analysis of movement and...
Editorial reviewed
Cavalieri, F. J., Cosimo, A., Sanchez, E., Bruls, O., & Cardona, A. (2021). Simulation of sliding friction of spherical rigid bodies subject to multiple impact collisions. Mechanisms and Machine Science, 94, 151-158. doi:10.1007/978-3-030-60372-4_17
This work investigates the dynamics of spherical rigid bodies subject to multiple impact collisio...
Roccia, B. A., Cosimo, A., Preidikman, S., & Bruls, O. (2021). Numerical models for the static analysis of cable structures used in airborne wind turbines. Mechanisms and Machine Science, 94, 140-147. doi:10.1007/978-3-030-60372-4_16
In this work, the authors present two different multibody models for static analysis of airborne ...
Devigne, O., Cosimo, A., & Bruls, O. (2020). Soft finger modeling using a nonsmooth contact approach. In Proceedings of the 4th Robotix-Academy Conference for Industrial Robotics.
Devigne, O., Hoffait, S., & Bruls, O. (2020). Development of a robot-aided modal analysis measurement method using laser Doppler vibrometry. In Proceedings of ISMA 2020 - International Conference on Noise and Vibration Engineering.
Gillain, S., Boutaayamou, M., Schwartz, C., BRUYERE, O., Bruls, O., CROISIER, J.-L., SALMON, E., Reginster, J.-Y., GARRAUX, G., & PETERMANS, J. (October 2019). Using supervised learning machine algorithm to identify future fallers based on gait patterns: a two-year longitudinal study [Poster presentation]. XXIIèmes Journées d'Automne de la SBGG, LIEGE, Belgium.
Gillain, S., Boutaayamou, M., Schwartz, C., Dardenne, N., BRUYERE, O., Bruls, O., Croisier, J.-L., SALMON, E., Reginster, J.-Y., GARRAUX, G., & Petermans, J. (October 2019). Identify future fallers based on gait symmetry dual task changes: a two-year longitudinal study [Poster presentation]. 22èmes Journées d'Automne de la SBGG, LIEGE, Belgium.
Galvez Buezo, J., Cosimo, A., Cavalieri, F. J., Cardona, A., & Bruls, O. (2019). A general purpose formulation for nonsmooth dynamics including large rotations: Application to the woodpecker toy. In Proceedings of the ASME IDETC/CIE Conference (pp. 97606). doi:10.1115/DETC2019-97606
The aim of this work is to extend the finite element multibody dynamics approach to problems invo...
Peer reviewed
Boutaayamou, M., Schwartz, C., Joris, L., Forthomme, B., Denoël, V., Croisier, J.-L., Verly, J., Garraux, G., & Bruls, O. (2019). Adaptive method for detecting zero-velocity regions to quantify stride-to-stride spatial gait parameters using inertial sensors. In Proceedings of the 12th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2019). doi:10.5220/0007576002290236
We present a new adaptive method that robustly detects zero-velocity regions to accurately and pr...
Peer reviewed
Deom, N. P., Bruls, O., & Jacques, T. (Other coll.). (2019). Programming by demonstration using fiducial markers. In Proceedings of the Robotix Academy Conference for Industrial Robotics (RACIR) 2019.
The programming by demonstration is a method that allows one to register a trajectory and to repr...
Lismonde, A., & Bruls, O. (2019). Feedforward command computation of a 3D flexible robot. In 21th International Symposium on Measurement and Control in Robotics.
Peer reviewed
Marlier, N., Louppe, G., Bruls, O., & Dislaire, G. (2019). Robotic throwing controller for accelerating a recycling line. In Proceedings of the Robotix Academy Conference for Industrial Robotics (RACIR) 2019. Robotix Academy.
Recycling is a promising way to prevent the use of raw material and reduce energy consumption, ai...
Pellois, R., & Bruls, O. (2019). Human arm motion tracking using IMU measurements in a robotic environment. In Proceedings of the 21st International Symposium on Measurement and Control in Robotics (pp. 65-68). International Measurement Confederation (IMEKO).
Human-robot interactions (HRI) is an emerging paradigm that aims at combining complementary skill...
Stoeffler, C., Kumar, S., Peters, H., Bruls, O., Muller, A., & Kirchner, F. (January 2019). Conceptual Design of a Variable Stiffness Mechanism in a Humanoid Ankle Using Parallel Redundant Actuation. IEEE-RAS International Conference on Humanoid Robots, 2018-November, 462-468. doi:10.1109/HUMANOIDS.2018.8625046
Future robots will rely more than today on high precision, better energy efficiency and safe hand...
Peer reviewed
Boutaayamou, M., DEPIERREUX, F., Parmentier, E., Schwartz, C., Bruls, O., Verly, J., & Garraux, G. (19 October 2018). Quantification of refined temporal gait parameters in Parkinson’s disease using an accelerometer-based ambulatory system [Poster presentation]. Belgian Brain Congress 2018, Liège, Belgium.
Roccia, B., Verstraete, M. L., Dimitriadis, G., Bruls, O., & Preidikman, S. (2018). Unsteady aerodynamics and nonlinear dynamics of freefalling rotating seeds. In Proceedings of the International Conference on Noise and Vibration Engineering, ISMA 2018. Leuven, Belgium: KUL.
This work presents a three-dimensional numerical tool that is suitable for studying the aerodynam...
Schwartz, C., Deby, M., Tooth, C., Croisier, J.-L., Bruls, O., Denoël, V., Paulus, J., & Forthomme, B. (July 2018). Effect of an exhaustion closed chain exercise on the EMG activity of scapular muscles stabilizers [Poster presentation]. World Congress of Biomechanics, Dublin, Ireland.
The aim of the study was to study the evolution of the EMG activity of stabilizers of the scapula...
Van Hulle, R., Schwartz, C., Denoël, V., Croisier, J.-L., Forthomme, B., & Bruls, O. (July 2018). Rigid foot/ground contact model for inverse dynamic analysis solely based on kinematic data [Poster presentation]. 8th World Congress of Biomechanics, Dublin, Ireland.
Boutaayamou, M., DEPIERREUX, F., PARMENTIER, E., Schwartz, C., Bruls, O., Verly, J., & Garraux, G. (07 June 2018). Quantification of gait sub-phase durations using an ambulatory system in Parkinson’s disease [Poster presentation]. 2nd International Workshop on Freezing of Gait, Leuven, Belgium.
Bruls, O. (2018). Geometrically nonlinear modes for model reduction in structural dynamics. In Proceedings of the 6th European Conference on Computational Mechanics (ECCM) (pp. 1).
Peer reviewed
Bruls, O., Acary, V., & Cardona, A. (2018). Time integration of nonsmooth mechanical systems using constraints at position, velocity and acceleration levels. In Proceedings of the 5th Joint International Conference on Multibody System Dynamics (pp. 2).
The nonsmooth generalized-alpha method aims at the simulation of nonsmooth mechanical systems wit...
Peer reviewed
GILLAIN, S., Boutaayamou, M., Schwartz, C., WOJTASIK, V., CHRISTELBACH, S., Dardenne, N., Bruls, O., Bruyère, O., Reginster, J.-Y., CROISIER, J.-L., GARRAUX, G., & PETERMANS, J. (June 2018). Dépister les sujets à risque de chute parmi nos aînés robutes: intérêt de la marche rapide [Poster presentation]. Congrès de la CIFGG, Montreux, Switzerland.
Lantsoght, O., Fisette, P., Dubois, F., Bruls, O., & Docquier, N. (2018). Coupling multibody and granular dynamics: Experimental validation. In Proceedings of the 5th Joint International Conference on Multibody System Dynamics (pp. 17).
Multibody systems can interact with other systems or with the environment via contacts. Such inte...
Peer reviewed
Boutaayamou, M., GILLAIN, S., Schwartz, C., Denoël, V., Petermans, J., Croisier, J.-L., Forthomme, B., Verly, J., Bruls, O., & Garraux, G. (2018). Validated assessment of gait sub-phase durations in older adults using an accelerometer-based ambulatory system. In Proceedings of the 11th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2018) (pp. 248-255). doi:10.5220/0006716202480255
Validated extraction of gait sub-phase durations using an ambulatory accelerometer-based system i...
Peer reviewed
Lismonde, A., Gattringer, H., & Bruls, O. (2018). Flexible models of a three degree of freedom serial elastic robot. In Proceedings of the fifth Joint International Conference on Multibody System Dynamics.
Sonneville, V., Bauchau, O. A., & Bruls, O. (2018). A motion formalism approach to modal reduction for flexible multibody system applications. Proceedings of the ASME Design Engineering Technical Conference, 6. doi:10.1115/DETC2018-86143
Multibody systems are often modeled as interconnected multibody and modal components: multibody c...
Peer reviewed
Bruls, O., & Sonneville, V. (2017). The local frame formulation of geometrically nonlinear slender structures. In Proceedings of the Symposium on Mechanics of Slender Structures (MOSS).
The local frame approach is based on a unified representation of the velocity and strain fields i...
Peer reviewed
Van Hulle, R., Schwartz, C., & Bruls, O. (01 December 2017). Evaluation of ground reaction forces based on kinematic data [Poster presentation]. National Day on Biomedical Enggineering & IEEE EMBS Benelux chapter, Bruxelles, Belgium.
Boutaayamou, M., Schwartz, C., Denoël, V., Croisier, J.-L., Verly, J., Garraux, G., & Bruls, O. (14 July 2017). A Novel Accelerometer-Based Method for Stride Length Estimation [Poster presentation]. IEEE EMBC 2017: 39th Annual International Conference of IEEE Engineering in Medicine and Biology Society (EMBC’17), Jeju-do, South Korea.
We demonstrate the feasibility of accurately and precisely estimating the left/right average stri...
Lismonde, A., Sonneville, V., & Bruls, O. (2017). Trajectory planning of soft link robots with improved intrinsic safety. IFAC-PapersOnLine. doi:10.1016/j.ifacol.2017.08.1440
For human-robot cooperation, intrinsic safety approaches aim at reducing the energy involved in t...
Peer Reviewed verified by ORBi
Galvez Buezo, J., Cardona, A., Cavalier, F., & Bruls, O. (2017). An augmented Lagrangian frictional contact formulation for nonsmooth multibody systems. In An augmented Lagrangian frictional contact formulation for nonsmooth multibody systems.
This work presents a frictional contact formulation for the transient simulation of non-smooth dy...
Pellois, R., Joris, L., & Bruls, O. (2017). Robot control based on human motion analysis with IMU measurements. In R. Müller, P. Plapper, O. Bruls, W. Gerke, G. Abba, B. Hichri, ... M. Vette, Proceedings of the Robotix Academy Conference for Industrial Robotics (RACIR) (Shaker Verlag GmbH).
The measurement of the operator motions can lead to innovation in the field of human-robot collab...
Lismonde, A., Sonneville, V., & Bruls, O. (2017). Feedforward control of vibrations in flexible and lightweight robots. In Robotix Academy Conference for Industrial Robotics (RACIR) 2017.
Boutaayamou, M., Denoël, V., Bruls, O., Demonceau, M., Maquet, D., Forthomme, B., Croisier, J.-L., Schwartz, C., Verly, J., & Garraux, G. (2017). Algorithm for Temporal Gait Analysis Using Wireless Foot-Mounted Accelerometers. In Biomedical Engineering Systems and Technologies. Springer. doi:10.1007/978-3-319-54717-6_14
We present a new signal processing algorithm that extracts five gait events: heel strike, toe str...
Peer reviewed
Bruls, O., Lismonde, A., & Sonneville, V. (2017). Implicit finite element formulation of the inverse dynamics of vibrating robots. In Proceedings of the European Nonlinear Dynamics Conference (ENOC) (pp. 2).
Inverse dynamics methods have a high potential for the design of feedforward controllers for flex...
Peer reviewed
Bruls, O., Martinusi, V., & Sonneville, V. (2017). On the Proper Orthogonal Decomposition for the reduced-order modelling of geometrically nonlinear elastic bodies. In Proceedings of the ECCOMAS Thematic Conference on Multibody Dynamics (pp. 2).
This paper investigates the application of the POD method to dynamic systems evolving on a Lie gr...
Peer reviewed
Cavalieri, F. J., Cardona, A., Bruls, O., & Galvez Buezo, J. (2017). A spatial revolute joint model with clearance in mechanisms dynamics. In Proceedings of the ECCOMAS Thematic Conference on Multibody Dynamics (pp. 2).
Peer reviewed
Lantsoght, O., Fisette, P., Bruls, O., & Docquier, N. (2017). Coupling multibody system and granular dynamics. In Proceedings of the 8th International Conference on Micromechanics of Granular Media (Powders and Grains) (pp. 16007 (4). France: EDP Sciences. doi:10.1051/epjconf/201714016007
We present a benchmark to experimentally validate the method we have developed to simulate mechan...
Peer reviewed
Sonneville, V., Bruls, O., & Bauchau, O. A. (2017). Interpolation schemes for geometrically exact beams: A motion approach. In Proceedings of the ECCOMAS Thematic Conference on Multibody Dynamics (pp. 2).
Peer reviewed
Dewalque, F., & Bruls, O. (2016). Design of an experimental set-up to analyse compliant mechanisms used for the deployment of a panel. In Proceedings of the 14th European Conference on Spacecraft Structures, Materials and Environmental Testing (ECSSMET).
Due to their high complexity, compliant mechanisms require high-fidelity mechanical models to reac...
GILLAIN, S., Boutaayamou, M., Schwartz, C., DEMONCEAU, M., Gerontitis, C., Croisier, J.-L., Bruls, O., GARRAUX, G., & PETERMANS, J. (2016). Gait pattern of healthy old people for dual task walking condition. Gerontechnology.
Peer Reviewed verified by ORBi
GILLAIN, S., Boutaayamou, M., Schwartz, C., DEMONCEAU, M., Gerontitis, C., Croisier, J.-L., Bruls, O., GARRAUX, G., & PETERMANS, J. (2016). Gait pattern of healthy old people for fast walking condition. Gerontechnology.
Peer Reviewed verified by ORBi
Bruls, O., & Sonneville, V. (2016). Modelling of multibody systems in the local frame. In Proceedings of the 24th International Congress of Theoretical and Applied Mechanics (ICTAM).
A local frame finite element approach is proposed to describe the kinematics of a flexible multib...
Peer reviewed
Sonneville, Bruls, O., & Bauchau, O. A. (2016). On the compatibility equations in geometrically exact beam finite element. In Proceedings of the 12th International Conference on Multibody Systems, Nonlinear Dynamics and Control (MSNDC) within the ASME/IDETC/CIE Conference. doi:10.1115/DETC201659954
This paper discusses the compatibility equations which relate the velocity field and the strain f...
Peer reviewed
Tromme, E., Sonneville, V., Guest, J. K., Bruls, O., & DUYSINX, P. (2016). Optimal design of flexible mechanisms using a generalized equivalent static load method. In Proceedings of the 24th International Congress of Theoretical and Applied Mechanics.
The equivalent static load (ESL) method is a powerful approach to solve dynamic response structur...
Van Hulle, R., Schwartz, C., Denoël, V., Croisier, J.-L., Forthomme, B., & Bruls, O. (11 July 2016). Evaluation of the contact force between two rigid bodies using kinematic data only [Poster presentation]. 22th Congress of the European Society of Biomechanics, Lyon, France.
Dewalque, F., & Bruls, O. (07 July 2016). Nonlinear analysis of compliant mechanisms: application to tape springs [Poster presentation]. Sixth International Conference on Nonlinear Vibrations, Localization and Energy Transfer, Liège, Belgium.
Brief summary of the mechanical behaviour of tape springs. Main results obtained by the means of ...
Boutaayamou, M., Demonceau, M., Bruls, O., Verly, J., & Garraux, G. (21 June 2016). Analysis of temporal gait features extracted from accelerometer-based signals during ambulatory walking in Parkinson’s disease [Poster presentation]. The MDS 20th International Congress of Parkinson's Disease and Movement Disorders, Berlin., Germany.
Objective: To perform a proof-of-concept study showing the utility of versatile algorithms aimed ...
Boutaayamou, M., Denoël, V., Bruls, O., Demonceau, M., Maquet, D., Forthomme, B., Croisier, J.-L., Schwartz, C., Verly, J., & Garraux, G. (2016). Extraction of temporal gait parameters using a reduced number of wearable accelerometers. In Proceedings of the 9th International Conference on Bio-inspired Systems and Signal Processing. doi:10.5220/0005696900570066
Wearable inertial systems often require many sensing units in order to reach an accurate extracti...
Peer reviewed
Lantsoght, O., Docquier, N., Bruls, O., & Fisette, P. (2016). Benchmark for MBS-granular media interactions. In Proceedings of the 4th Joint International Conference on Multibody System Dynamics.
Peer reviewed
Lismonde, A., Sonneville, V., & Bruls, O. (2016). Solving the inverse dynamics of a flexible 3D robot for a trajectory tracking task. In Proceedings of the 21th International Conference on Methods and Models in Automation and Robotics (MMAR). doi:10.1109/MMAR.2016.7575132
The end-effector trajectory tracking of robotic manipulators with flexible links requires advance...
Peer reviewed
Sonneville, V., Bruls, O., & Bauchau, O. A. (2016). A Lie group approach for the formulation of beam and shell refined theories used in flexible multibody systems. In Proceedings of the 4th Joint International Conference on Multibody System Dynamics (pp. 2).
Peer reviewed
Tromme, E., Sonneville, V., Guest, J. K., Bruls, O., & Duysinx, P. (2016). On the equivalent static load method for the structural optimization of mechanical systems accounting for multicomponent-based constraints. In Proceedings of the ECCOMAS Congress (pp. 1).
Peer reviewed
Paquay, Y., Bruls, O., & Geuzaine, C. (November 2015). Model Order Reduction of Nonlinear Magnetodynamics with Interpolation on Grassmann Manifold [Poster presentation]. 3rd Workshop on Reduced Basis, POD and PGD - Model Reduction Techniques.
Paquay, Y., Bruls, O., & Geuzaine, C. (October 2015). Model Order Reduction of Nonlinear Magnetodynamics with Manifold Interpolation [Poster presentation]. 3rd Edition of Model Order Reduction of Parametrized Systems (MoRePaS III). doi:10.14293/P2199-8442.1.SOP-ENG.PJQNA9.v1
Boutaayamou, M., Denoël, V., Verly, J., GARRAUX, G., & Bruls, O. (June 2015). Gait segmentation using continuous wavelet transform for extracting validated gait events from accelerometer signals [Poster presentation]. Biomedica 2015 - The European Life Sciences Summit, Genk, Belgium.
Paquay, Y., Bruls, O., & Geuzaine, C. (June 2015). Nonlinear Interpolation on Manifold of Reduced Order Models in Magnetodynamic Problems [Poster presentation]. 20th International Conference on the Computation of Electromagnetic Fields COMPUMAG 2015, Montreal, Canada.
Proper Orthogonal Decomposition (POD) is an efficient model order reduction technique for linear ...
Van Hulle, R., Schwartz, C., Croisier, J.-L., Denoël, V., Forthomme, B., & Bruls, O. (June 2015). Towards a predictive modelling of the normal and pathological gait [Poster presentation]. Biomedica 2015, The European Life Sciences Summit, Genk, Belgium.
Bastos Jr., G., & Bruls, O. (2015). An integrated control-structure design for manipulators with flexible links. IFAC-PapersOnLine, 48 (11), 156-161. doi:10.1016/j.ifacol.2015.09.176
Integrated optimization techniques for mechatronic systems aim at designing simultaneously the tr...
Peer Reviewed verified by ORBi
Boutaayamou, M., Bruls, O., Denoël, V., Schwartz, C., Demonceau, M., Garraux, G., & Verly, J. (2015). Segmentation of gait cycles using foot-mounted 3D accelerometers. In Proceedings of the IEEE International Conference on 3D Imaging 2015. doi:10.1109/IC3D.2015.7391836
We describe a new gait segmentation method based on the continuous wavelet transform to identify ...
Peer reviewed
Boutaayamou, M., Demonceau, M., Schwartz, C., Bruls, O., Denoël, V., Verly, J., & Garraux, G. (2015). Ambulatory system using wearable accelerometers for gait analysis in Parkinson’s disease. In Proceedings of the 14th Belgian Day on Biomedical Engineering.
We describe a signal-processing algorithm for gait analysis in Parkinson’s disease (PD) using an ...
Peer reviewed
Boutaayamou, M., Schwartz, C., Denoël, V., FORTHOMME, B., Croisier, J.-L., Garraux, G., Verly, J., & Bruls, O. (2015). Development and validation of a 3D kinematic-based method for determining gait events during overground walking. In IEEE International Conference on 3D Imaging (IC3D) (pp. 1-6). IEEE.
A new signal processing algorithm is developed for quantifying heel strike (HS) and toe-off (TO) ...
Peer reviewed
Dewalque, F., & Bruls, O. (2015). Experimental Validation of Structural Damping Models for Tape Springs. In Proceedings of the 6th European Conference for Aerospace Sciences (EUCASS).
The objective of this paper is to study the effect of structural dissipation on the dynamic respon...
Dewalque, F., Collette, J.-P., & Bruls, O. (2015). Mechanical behaviour of tape springs used in the deployment of reflectors around a solar panel. In Proceedings of the 6th International Conference on Mechanics and Materials in Design (M2D).
In order to increase the production of power on small satellites, large solar panels are commonly...
Arnold, M., Cardona, A., & Bruls, O. (2014). Order reduction in time integration caused by velocity projection. In Proceedings of the 3rd Joint International Conference on Multibody System Dynamics and the 7th Asian Conference on Multibody Dynamics (pp. 10).
Holonomic constraints restrict the configuration of a multibody system to a subset of the configu...
Prasad, C. S., Chen, Q.-Z., Dimitriadis, G., Bruls, O., & D'Ambrosio, F. (2014). Advanced Aeroservoelastic Modeling for Horizontal axis Wind Turbines. In A. Cunha, E. Caetano, P. Riberio, ... G. Müller (Eds.), Proceedings of the 9th International Conference on Structural Dynamics, EURODYN 2014 (pp. 3097-3104).
This paper describes the development of a complete methodology for the unsteady aeroelastic and a...
Peer reviewed
Dewalque, F., Rochus, P., & Bruls, O. (2014). Importance of structural damping in the dynamic analysis of compliant deployable structures. In Proceedings of the 65th International Astronautical Congress (IAC).
Compliant mechanisms such as tape springs are often used on satellites to deploy appendices, e.g....
GILLAIN, S., Schwartz, C., Dramé, M., Demonceau, M., Bruyère, O., Croisier, J.-L., Bruls, O., Garraux, G., Reginster, J.-Y., & Petermans, J. (2014). Validation des paramètres de marche par un système accélérométrique (Locométrix ®) à l’aide d’un système opto-électronique 3D (Coda Motion ®). Cahiers de l'Année Gérontologique, 6 (Suppl. 1), 186.
Peer Reviewed verified by ORBi
Schwartz, C., Berger, A., Bruls, O., Forthomme, B., Croisier, J.-L., & Denoël, V. (2014). Experimental Study of the Human Ability to Deliberately Excite a Flexible Floor. In A. Zingoni (Ed.), Proceedings of the 5th International Conference on Structural Engineering, Mechanics and Computation.
Human-structure interactions are not completely understood yet. This paper presents an experiment...
Peer reviewed
Sonneville, V., & Bruls, O. (2013). A FEW GOOD REASONS TO CONSIDER A BEAM FINITE ELEMENT FORMULATION ON THE LIE GROUP SE(3). In Proceedings of the ASME 2013 International Design Engineering Technical Conference & Computers and Information in Engineering Conference IDETC/CIE 2013. doi:10.1115/DETC2013-13099
Based on an original interpolation method we develop a beam finite element formulation on the Lie...
Peer reviewed
Virlez, G., Bruls, O., Sonneville, V., Tromme, E., Duysinx, P., & Géradin, M. (2013). Contact model between superelements in dynamic multibody systems. In Proceedings of ASME2013 International Design Engineering Technical Conference & Computers and Information in Engineering Conference IDETC/CIE 2013. doi:10.1115/DETC2013-13469
In this paper, a new contact formulation defined between flexible bodies modeled as superelements...
Peer reviewed
Boutaayamou, M., Schwartz, C., Stamatakis, J., Denoël, V., Maquet, D., Forthomme, B., Croisier, J.-L., Macq, B., Verly, J., Garraux, G., & Bruls, O. (June 2013). Validation of an accelerometer-based approach to quantify gait events [Poster presentation]. Biomedica 2013 - The european life sciences summit.
Researchers rarely provide solid performance and validation information about their acceleometer-...
Tromme, E., Bruls, O., Virlez, G., & Duysinx, P. (2013). Structural optimization of flexible components under dynamic loading within a multibody system approach: a comparative evaluation of optimization methods based on a 2-dof robot application. In Proceedings of the 10th World Congress on Structural and Multidisciplinary Optimization: Orlanda (USA), 19-24 mai 2013.
This paper is dedicated to a comparative evaluation between two methods of optimization to realiz...
Schwartz, C., HAZEE, A., Denoël, V., Bruls, O., Croisier, J.-L., & Forthomme, B. (07 December 2012). Shoulder injury prevention in sports using 3D motion capture [Poster presentation]. 11th Belgian Day on Biomedical Engineering, Brussels, Belgium.
In sports, where regular and intensive training could progressively lead to traumatic situations,...
Boutaayamou, M., Schwartz, C., Stamatakis, J., Denoël, V., Maquet, D., Forthomme, B., Croisier, J.-L., Macq, B., Verly, J., Garraux, G., & Bruls, O. (2012). Validated Extraction of Gait Events from 3D Accelerometer Recordings. In IEEE International Conference on 3D Imaging (IC3D) (pp. 6615147). doi:10.1109/IC3D.2012.6615147
This work is part of a project that deals with the three-dimensional (3D) analysis of normal and ...
Peer reviewed
Virlez, G., Bruls, O., Tromme, E., & Duysinx, P. (2012). Modelling of joints with clearance and friction in multibody dynamic simulation of automotive differentials. In Proceedings of the 6th Asian Conference on Multibody Dynamics.
Defects in kinematic joints can sometimes highly influence the simulation response of the whole m...
Tromme, E., Bruls, O., Van Miegroet, L., Virlez, G., & Duysinx, P. (2012). Investigations on a Level Set based approach for the optimization of flexible components in multibody systems with a fixed mesh grid. In Proceedings of The 6th Asian Conference on Multibody Dynamics: Shanghai (China), 26-30 aout 2012.
This paper considers the optimization of flexible components in mechanical systems thanks to a "f...
Chen, Q., Acary, V., Virlez, G., & Bruls, O. (2012). A Newmark-type integrator for flexible systems considering nonsmooth unilateral constraints. In Proceedings of the First Joint International Conference on Multibody System Dynamics.
Mechanical systems are usually subjected not only to bilateral constraints but also to unilateral...
Nachtergaele, P., Gamonal Rozas, L. A., & Bruls, O. (2012). Modelling the Position Control of a Segment of the E-ELT using OOFELIE::Multiphysics Integrated FEM-based Approach. In Proceedings of the 13th International Conference on New Actuators.
This paper presents the extension of a multiphysics software solution allowing to perform integra...
Sonneville, V., & Bruls, O. (2012). Formulation of Kinematic Joints and Rigidity Constraints in Multibody Dynamics using a Lie Group Approach. In Proceedings of the 2nd Joint International Conference on Multibody System Dynamics (IMSD).
The matrix Lie group approach allows to formulate and solve the equations of motion of a multibod...
Chen, Q., D'Ambrosio, F., Defourny, M., & Bruls, O. (2012). Integrated control and structural analysis of DFIG wind turbines using a monolithic approach. In Proceedings of the European Wind Energy Conference and Exhibition 2012 (EWEA 2012).
Design of wind turbines requires the coupled analysis among the mechanical, control and aerodynam...
Peer reviewed
Boutaayamou, M., Schwartz, C., Bruls, O., Denoël, V., Demonceau, M., Maquet, D., Forthomme, B., Croisier, J.-L., Garraux, G., & Verly, J. (2012). 3D Analysis of Normal and Pathological Gait Based on Low-Cost Wireless Accelerometers. In URSI Benelux Forum 2012 “Antennas: multiple designs, multiple applications”.
We describe the principle and use of a new low-cost, wireless, 3-axis accelerometer-based device ...
Peer reviewed
Virlez, G., Bruls, O., Poulet, N., & Duysinx, P. (2011). Simulation of differentials in four-wheel drive vehicles using multibody dynamics. In Proceedings of the ASME 2011 International Design Engineering Technical Conference & Computers and Information in Engineering Conference IDETC/CIE 2011. doi:10.1115/DETC2011-48313
The dynamic performance of vehicle drivetrains is significantly influenced by differentials which...
Peer reviewed
Bruls, O., Arnold, M., & Cardona, A. (2011). Two Lie Group Formulations for Dynamic Multibody Systems with Large Rotations. In Proceedings of the ASME 2011 International Design Engineering Technical Conferences. doi:10.1115/DETC2011-48132
This paper studies the formulation of the dynamics of multibody systems with large rotation varia...
Peer reviewed
Chen, Q., & Bruls, O. (2011). Integrated power control analysis of DFIG wind turbines considering structural flexibility. In Proceedings of the ASME 2011 International Design Engineering Technical Conference & Computers and Information in Engineering Conference IDETC/CIE 2011. doi:10.1115/DETC2011-48253
Doubly-fed induction generators (DFIGs) are commonly used in variable-speed wind turbines for mor...
Peer reviewed
Tromme, E., Bruls, O., & Duysinx, P. (2011). Optimization of flexible components in reciprocating engines with cyclic dynamic loading. In J.-C. Samin & P. Fisette (Eds.), Proceedings of Multibody Dynamics 2011, Eccomas Thematic Conference: Brussels (Belgium), 4-7 juillet 2011.
This work considers the optimization of flexible components of mechanical systems modeled as mult...
Virlez, G., Bruls, O., & Duysinx, P. (2011). Modeling of contact between stiff bodies in automotive transmission systems. In J.-C. Samin & P. Fisette (Eds.), Proceedings of MULTIBODY DYNAMICS 2011, ECCOMAS Thematic Conference.
Many transmission components contain moving parts which can enter in contact. The TORSEN differen...
Arnold, M., Bruls, O., & Cardona, A. (2011). Convergence analysis of generalized-alpha Lie group integrators for constrained systems. In Proceedings of Multibody Dynamics ECCOMAS Conference.
Bruls, O., Cugnon, F., Defourny, M., & Chen, Q. (2011). Analysis of Control-Generator-Structure Interactions in Wind Turbines using an Integrated Simulation Approach. In Proceedings of Multibody Dynamics ECCOMAS Conference.
This paper addresses the modelling of the interactions between the generator, the controller and ...
Guimaraes Bastos Junior, G., Seifried, R., & Bruls, O. (2011). INVERSE DYNAMICS OF UNDERACTUATED MULTIBODY SYSTEMS USING A DAE OPTIMAL CONTROL APPROACH. In Proceedings of the ECCOMAS Thematic Conference (MULTIBODY DYNAMICS) 2011.
The inverse dynamics analysis of underactuated multibody systems aims at determining the control ...
Schwartz, C., Fedrigo, T., Bruls, O., Cescotto, S., Denoël, V., Croisier, J.-L., & Forthomme, B. (July 2011). Reproducibility and repeatability of upper limb landmarks palpation for junior operators [Poster presentation]. XXIIIrd congress of the International Society of Biomechanics, Brussels, Belgium.
In human motion analysis, bone motions are usually expressed relatively to anatomical reference f...
Chen, Q., Defourny, M., & Bruls, O. (2011). Control and simulation of doubly fed induction generator for variable speed wind turbine systems based on an integrated finite element approach. In Proceedings of the European Wind Energy Conference and Exhibition 2011 (EWEA 2011).
Regarding renewable energy and environment- friendly issues, wind energy nowadays has become the ...
Peer reviewed
Hickey, D., Masset, L., Kerschen, G., & Bruls, O. (2011). Investigating the performance of model order reduction techniques for nonlinear radiative heat transfer problems. In Proceedings of the International Conference on Advanced Computational Methods in Engineering.
The problem of nonlinear radiative heat transfer is one of great importance to the aerospace indu...
Hickey, D., Masset, L., Kerschen, G., & Bruls, O. (2011). Proper Orthogonal Decomposition for Nonlinear Radiative Heat Transfer Problems. In Proceedings of the ASME International Design Engineering Technical Conferences. doi:10.1115/DETC2011-48339
Analysing large scale, nonlinear, multiphysical, dynamical structures, by using mathematical mode...
Peer reviewed
Seifried, R., Guimaraes Bastos Junior, G., & Bruls, O. (2011). Computation of bounded feed-forward control for underactuated multibody systems using nonlinear optimization. In Proceedings in Applied Mathematics and Mechanics, Volume 1, Special Issue: 82nd Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM) (pp. 69-70). Wiley.
Peer reviewed
Schwartz, C., Forthomme, B., Bruls, O., Denoël, V., Cescotto, S., & Croisier, J.-L. (December 2010). Using 3D to understand human motion [Poster presentation]. 3D Stereo Media, Liège, Belgium.
The understanding and tracking of human motion has been a subject of interest in the scientific c...
Hickey, D., Hoffait, S., Rothkegel Ide, J. I., Kerschen, G., & Bruls, O. (2010). Model order reduction techniques for thermomechanical systems with nonlinear radiative heat transfer using proper orthogonal decomposition. In Proceedings of ISMA 2010.
Analysing large scale, nonlinear, multiphysical, dynamical structures, by using mathematical mode...
Duysinx, P., Emonts-Alt, J., Virlez, G., Bruls, O., & Bruyneel, M. (2010). Advances in optimization of flexible components in mutlibody systems: Application to robot-arms design. In Proceedings of the 5th Asian Conference on Multibody Dynamics.
The paper considers the optimization of the flexible components of mechanical systems modeled as ...
Virlez, G., Bruls, O., Poulet, N., & Duysinx, P. (2010). Multibody Dynamics Analysis of Differentials in Vehicle Drivetrains. In Proceedings of the First Joint International Conference on Multibody System Dynamics.
Differentials are critical components whose behaviour influences the dynamics of vehicles. They o...
Bruls, O., Cardona, A., & Arnold, M. (2010). Numerical solution of DAEs in flexible multibody dynamics using Lie group time integrators. In Proceedings of the First Joint International Conference on Multibody System Dynamics.
This paper studies a family of Lie group time integrators for the simulation of flexible multibod...
Chen, Q., Jetteur, P., & Bruls, O. (2010). Modular mechatronic modelling for wind turbine generating systems based on an integrated finite element approach. In Proceedings of the First Joint International Conference on Multibody System Dynamics.
Wind energy is nowadays the fastest-growing energy source in the world, which has been attracting...
Guimaraes Bastos Junior, G., & Bruls, O. (2010). Trajectory Optimization of Flexible Robots Using an Optimal Control Approach. In Proceedings of the First Joint International Conference on Multibody System Dynamics.
In the context of the mechatronic design of lightweight machines and robots, this paper studies o...
Bruls, O., Hoffait, S., Cugnon, F., & Kerschen, G. (2010). Finite element analysis of strongly nonlinear phenomena in deployable flexible systems. In 1st ESA Multibody Dynamics Workshop on Multibody Dynamics for Space Applications, Noordwijk, 2010.
Hoffait, S., Kerschen, G., & Bruls, O. (2010). Toward robust parameterized reduced-order models of non-linear structures using POD. In IV European Conference on Computational Mechanics, Paris, 2010.
Jidovtseff, B., Bruls, O., Tubez, F., Monfort, L., Harris, N., & Cronin, J. (2010). USING INERTIA MEASUREMENT UNIT (IMU) FOR EXERCISE ANALYSIS. In 7th International conference on strength training - abstract book.
Peer reviewed
Heirman, G. H. K., Bruls, O., & Desmet, W. (2009). A system-level model reduction technique for efficient simulation of flexible multibody dynamics. In Proceedings of the Multibody Dynamics ECCOMAS Conference (pp. 1-16). K. Arczewski, J. Fraczek, M. Wojtyra.
In flexible multibody dynamics, body-level model reduction is typically used to decrease the comp...
Heirman, G. H. K., Bruls, O., & Desmet, W. (2009). A system-level modal description of flexible multibody dynamics. In Proceedings of the 9th National Congress on Theoretical and Applied Mechanics (pp. 1-9).
Current modelling techniques only allow realtime simulation of strongly simplified models of flex...
Barroso, J. J. G., Bruls, O., Berli, C., & Cardona, A. (2009). Modelling of the squeeze film air damping in MEMS. In Proceedings of the ENIEF Conference.
We propose a formulation for modeling the squeeze film air damping in micro-plates typical of mic...
Bruls, O., Lemaire, E., Duysinx, P., & Eberhard, P. (2009). Topology Optimization of Structural Components: A Multibody Dynamics-Oriented Approach. In Proceedings of the Multibody Dynamics ECCOMAS Conference (pp. 1-13). K. Arczewski, J. Fraczek, M. Wojtyra.
This work addresses the topology optimization of structural components embedded in multibody syst...
Hoffait, S., Bruls, O., Granville, D., Cugnon, F., & Kerschen, G. (2009). Analyse dynamique du phénomène d'auto-blocage dans les charnières de type Carpentier. In Colloque National en Calcul des Structures, Giens, 2009.
Da Silva, M., Bruls, O., Desmet, W., & Van Brussel, H. (2008). Design of mechatronic systems with variable mechanical configuration. In Proceedings of the 9th International Conference on Motion and Vibration Control (MOVIC).
Some mechatronic systems have different spatial configurations or operation positions, and, as a ...
Heirman, G. H. K., Bruls, O., Sas, P., & Desmet, W. (2008). Coordinate transformation techniques for efficient model reduction in flexible multibody dynamics. In Proceedings of ISMA 2008 (pp. 1-16).
Computational efficiency is important for all numerical simulation tools. For real-time and faste...
Bruls, O., Lemaire, E., Eberhard, P., & Duysinx, P. (2008). Design of mechanism components using topology optimization and flexible multibody simulation. In Proceedings of the 8th World Congress on Computational Mechanics.
This work addresses the topology optimization of structural components embedded in multibody syst...
Bruls, O., & Arnold, M. (2008). Variable step-size solvers for coupled DAEs in mechatronic applications. In 4th International Conference on Advanced Computational Methods in Engineering (ACOMEN) – Book of Abstracts.
This work addresses a variable step-size formulation of the generalized- time integration scheme...
Heirman, G., Bruls, O., Desmet, W., & Sas, P. (2008). Model reduction techniques to speed up multibody dynamics simulations. In 4th International Conference on Advanced Computational Methods in Engineering (ACOMEN) – Book of Abstracts.
Durieu, F., Bruls, O., Rochus, V., Golinval, J.-C., & Serandour, G. (2008). Reduced-order modeling of electrostatically-actuated micro-beams. In Proceedings of the 6th EUROMECH Nonlinear Dynamics Conference (ENOC) (pp. 1-6).
This paper addresses the compact modeling of MEMS devices with nonlinear electromechanical forces...
Duysinx, P., Fleury, C., Van Miegroet, L., Lemaire, E., Bruls, O., & Bruyneel, M. (2008). Stress constrained topology and shape optimization : Specific character and large scale optimization algorithms. In Proceedings of the 8th World Congress on Computational Mechanics (WCCM).
Bruls, O., Lemaire, E., Eberhard, P., & Duysinx, P. (2007). Topology Optimization of Structural Components Included in Flexible Multibody Systems. In Proceedings of the 7th World Congress on Structural and Multidisciplinary Optimization (pp. 1-10).
This work addresses the topology optimization of structural components embedded in multibody syst...
Bruls, O., & Arnold, M. (2007). The generalized-alpha scheme as a linear multistep integrator: Towards a general mechatronic simulator. In Proceedings of the ASME 2007 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (pp. 1-11).
This paper presents a consistent formulation of the generalized-alpha time integration scheme for...
Peer reviewed
Bruls, O., & Eberhard, P. (2007). Direct differentiation of time integrators for multibody systems with absolute rotations. In Proceedings of the ECCOMAS Thematic Conference - Multibody Dynamics 2007 (pp. 19).
Gradient-based optimization methods require efficient algorithms to compute the sensitivities of ...
Bruls, O., Duysinx, P., & Golinval, J.-C. (2006). An extended flexible multibody dynamics software for mechatronic applications. In Proceedings of ISMA 2006 (pp. 10).
This paper presents some extensions of flexible multibody formalisms for mechatronic applications...
da Silva, M. M., Bruls, O., Paijmans, B., Desmet, W., & Van Brussel, H. (2006). Concurrent simulation of mechatronic systems with variable mechanical configuration. In Proceedings of ISMA 2006 (pp. 1-12).
The dynamic behavior of a mechatronic system may be largely dependent on the mechanical configura...
Fisette, P., Bruls, O., & Swevers, J. (2006). Multiphysics modeling of mechatronic multibody systems. In Proceedings of ISMA 2006.
Modeling mechatronic multibody systems requires the same type of methodology as for designing and...
Bruls, O., Duysinx, P., & Golinval, J.-C. (2005). A unified finite element framework for the dynamic analysis of controlled flexible mechanisms. In Proceedings of the ECCOMAS Conference on Advances in Computational Multibody Dynamics (pp. 16).
This paper proposes a unified formalism for the simulation of mechatronic systems with complex fl...
Duysinx, P., Bruls, O., collard, J.-F., Fisette, P., Lauwerys, C., & Swevers, J. (2005). Optimization of mechatronic systems: application to a modern car equipped with a semi-active suspension. In J. Herskowitz, Proceedings of the 6th World Congress of Structural and Multidisciplinary Optimization (WCSMO6).
The research aims at developing a global mechatronic approach to model, simulate and optimize com...
Krauss, R., Bruls, O., & Book, W. J. (2005). Two competing linear models for flexible robots: Comparison, experimental validation, and refinement. In Proceedings of the American Control Conference.
The modeling of a rigid robot attached to a flexible base is addressed in this work. Two approach...
Peer reviewed
Bruls, O., Duysinx, P., & Golinval, J.-C. (2004). A systematic model reduction method for the control of flexible multibody systems. In Proc. of the 21st Int. Congress of Theoretical and Applied Mechanics (ICTAM) (pp. 1-2).
This paper presents a method to build closed-form dynamic equations for flexible multibody system...
Bruls, O., Duysinx, P., & Golinval, J.-C. (2004). Generation of closed-form models for the control of flexible mechanisms: a numerical approach. In Proc. of the 7th Int. Conf. on Motion and Vibration Control (MOVIC) (pp. 1-10).
In robotics, most high performances control strategies require a closed-form representation of th...
Bruls, O., Duysinx, P., & Golinval, J.-C. (2003). A model reduction method for the control of rigid mechanisms. In Proceedings of the ECCOMAS Conference on Advances in Computational Multibody Systems.
This paper proposes a control strategy for flexible mechanisms. Our starting-point is a classical...
Bruls, O., Duysinx, P., & Golinval, J.-C. (2003). Computational environment for the design of flexible mechanisms with feedback control. In Proceeding of 6th National Congress on theorical and Applied Mechanics.
In this article, numerical methods are exploited for the design of mechatronic systems. A method ...
Bruls, O., Duysinx, P., & Golinval, J.-C. (2002). An Adaptation of the Newmark Scheme for the Integrated Simulation of Mechatronic Systems. In Proceeding of 6th Int. Conf. on Motion and Vibration Control (MOVIC) (pp. 484-489).
A methodology is developed to simulate flexible multibody systems subject to the action of a digi...
Bruls, O., & Golinval, J.-C. (2002). Simulation of an Active Control System in a Hot-Dip Galvanizing Line. In Preprints of the NATO Advanced Study Institute on Virtual Nonlinear Multibody Systems (pp. 39-44).
This paper concerns the modeling and the integrated numerical simulation of a flexible mechanism ...
Bruls, O., De Boe, P., Duysinx, P., & Golinval, J.-C. (2002). Integrated simulation of mechanical structures and their control system. In Proc. of the 2nd Int. Conf. on Advanced Computational Methods in Engineering (ACOMEN) (pp. 1-10).
This paper concerns the modeling and the integrated numerical simulation of flexible mechanisms s...