prof.dr.ir. D.M. Brouwer PDEng (Dannis)

Dannis Brouwer is the chair of the Precision Engineering group at the University of Twente focusing on precision motion of mechatronic and robotic systems. The group focusses on the development of model-based methods for the design and control of high-precision systems.

The main goal of the design activities is to continue, elaborate and to ‘scientificate’ 'Design Principles for Precision Mechanisms' by using a model-based approach. By developing new and advanced modeling methods like flexible multibody modeling, complex system designs can be thoroughly analyzed, understood, designed and optimized.

The main goal of the control activities is to develop improved motion control using an adaptive model-based approach. Models are available from design or analysis and online updating ensures matching the actual system dynamics. These models then used for improving precision through (disturbance) feedforward control, disturbance rejection control or feedback control optimization.

Dannis M. Brouwer received his MSc. degree in mechanical engineering, in 1998, and a postmaster (PDEng) degree in mechatronic design in 2001 from Eindhoven University of Technology, Eindhoven, the Netherlands. He has 8 years of industrial experience with Philips Centre for Industrial Technology (CFT), Eindhoven, the Netherlands and Demcon Advanced Mechatronics, Enschede, the Netherlands. In 2007, he received the doctoral degree in mechanics from the University of Twente, Enschede, the Netherlands. He was appointed full Professor at the University of Twente in 2020 and is now chairing the Precision Engineering lab which includes 5 assistant Professors. He has (co-)authored over 50 refereed journal articles, 90 conference contributions and 8 patents on a variety of subjects including flexure mechanisms, kinematics, macro and micromanipulators, variable impedance robotics and precision engineering. In 2015 he received the prestigious personal VIDI grant for his large range of motion flexure research, where he was ranked 1^stout of 48. For three years he has served as a Director-at-Large for the American Society for Precision Engineering and he has been Associate Editor for Precision Engineering for 8 years.

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Engineering & Materials Science

# Actuators
# Hinges
# Leaf Springs
# Mems
# Stiffness

Physics & Astronomy

# Flexing
# Strokes

Mathematics

# Flexure

Faculty of Engineering Technology (ET), Precision Engineering (PE)

Mechatronics Academy
Tutorial/lecture for industry

Dwarshuis, K. , Aarts, R. , Ellenbroek, M. , & Brouwer, D. (2023). Beams with a Varying Cross Section in the Generalized Strain Formulation for Flexure Modeling. Journal of computational and nonlinear dynamics, 18(3), 1-14. [031001]. https://doi.org/10.1115/1.4056482

Dwarshuis, K. , Aarts, R. , Ellenbroek, M. , & Brouwer, D. (2023). Efficient Computation of Large Deformation of Spatial Flexure-Based Mechanisms in Design Optimizations. Journal of mechanisms and robotics, 15(2), [021011 ]. https://doi.org/10.1115/1.4054730

Nijenhuis, M. , Naves, M. , & Brouwer, D. (2022). High torsion stiffness leafspring flexure element using distributed warping constraints. In R. K. Leach, A. Akrofi-Ayesu, C. Nisbet, & D. Phillips (Eds.), European Society for Precision Engineering and Nanotechnology, Conference Proceedings - 22nd International Conference and Exhibition, EUSPEN 2022 (pp. 119-122). EUSPEN.

de Jong, J. J. , Nijenhuis, M. , & Brouwer, D. M. (2022). A massively overconstrained and statically balanced flexure mechanism for a 20 kN load capacity. In Proceedings - ASPE 2022 Annual Meeting (pp. 98-101). American Society for Precision Engineering.

Dwarshuis, K. (2022). Beam-based analysis of flexure mechanisms: Increasing computational efficiency, accuracy and design freedom. [PhD Thesis - Research UT, graduation UT, University of Twente]. University of Twente. https://doi.org/10.3990/1.9789036554831

Dwarshuis, K. , Ellenbroek, M. , Aarts, R. , & Brouwer, D. (2022). A multinode superelement in the generalized strain formulation. Multibody system dynamics, 56, 367-399. https://doi.org/10.1007/s11044-022-09850-z

de Jong, J. J. , & Brouwer, D. M. (2022). Alleviating stress concentrations by constant curvature flexure mechanisms. 47-50. Paper presented at 22nd International Conference & Exhibition, EUSPEN 2022, Geneva, Switzerland.

Rommers, J. , Naves, M. , Brouwer, D. M. , & Herder, J. L. (2022). A Flexure-Based Linear Guide With Torsion Reinforcement Structures. Journal of mechanisms and robotics, 14(3), [031013]. https://doi.org/10.1115/1.4052971

Tschiersky, M. , Hekman, E. E. G. , Herder, J. L. , & Brouwer, D. M. (2022). Gravity Balancing Flexure Spring Mechanisms for Shoulder Support in Assistive Orthoses. IEEE Transactions on Medical Robotics and Bionics, 4(2), 448-459. https://doi.org/10.1109/TMRB.2022.3155293

Dwarshuis, K. , Nijenhuis, M. , Aarts, R. G. K. M. , Ellenbroek, M. H. M. , & Brouwer, D. M. (2021). Computation of internal stress resultants in beam elements with constrained torsional warping. In J. Kövecses, G. Stépán, & A. Zelei (Eds.), Proceedings of the10th ECCOMAS Thematic Conference on MULTIBODY DYNAMICS (pp. 68-79). Budapest University of Technology and Economics.

de Jong, J., Theans, S., Epping, L. , & Brouwer, D. M. (2021). Improving Support Stiffness of Flexure Mechanisms by Statically Balancing. 45-48. Paper presented at 36th Annual Meeting of the American Society for Precision Engineering, ASPE 2021, Minneapolis, United States.

Naves, M. , Nijenhuis, M. , Seinhorst, B. , Hakvoort, W. , & Brouwer, D. M. (2021). T-Flex: A fully flexure-based large range of motion precision hexapod. Precision engineering, 72, 912-928. https://doi.org/10.1016/j.precisioneng.2021.08.015

Naves, M. (2021). Design and optimization of large stroke flexure mechanisms. [PhD Thesis - Research UT, graduation UT, University of Twente]. University of Twente. https://doi.org/10.3990/1.9789036549943

Tschiersky, M. (2021). Flexure mechanisms for upper-limb support: Towards compliant wearable assistive devices. University of Twente. https://doi.org/10.3990/1.9789036551342

Smelt, K. J. , de Jong, J. J., de Blok, C. M. , & Brouwer, D. M. (2020). Spherical mechanism, with adjustable center of rotation. Mikroniek, 2020(04). https://www.dspe.nl/mikroniek/archive/

de Jong, J., Schaars, B. , & Brouwer, D. (2020). Dynamic balance of finitely stiff mechanisms: Balancing benefits and drawbacks. Mikroniek, 2020(4), 40-44.

Klein Avink, S. T. B. , Nijenhuis, M. , Dierkes, W. K. , Noordermeer, J. W. M. , & Brouwer, D. M. (2020). Design of a flexure mechanism with increased dynamic performance: Viscoelastic (over)constraining. Mikroniek, 60(2), 28-32. https://www.dspe.nl/mikroniek/archive/

Smelt, K. J. , de Jong, J. J., Blok, C. A. , & Brouwer, D. M. (2020). Optomechanical spherical manipulator with an adjustable center of rotation. 43-46. Paper presented at 35th Annual Meeting of the American Society for Precision Engineering, ASPE 2020, Virtual, Online.

Nijenhuis, M. , Naves, M. , Hakvoort, W. B. J. , & Brouwer, D. M. (2020). Efficient modeling for the design of a large-stroke fully flexure-based 6-DOF hexapod. 47-51. Paper presented at 35th Annual Meeting of the American Society for Precision Engineering, ASPE 2020, Virtual, Online.

Dwarshuis, K. S. , Aarts, R. , Ellenbroek, M. , & Brouwer, D. (2020). A non-prismatic beam element for the optimization of flexure mechanisms. In 16th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC) [V002T02A015] ASME Digital Collection. https://doi.org/10.1115/DETC2020-22242

Fix, M. E. , Brouwer, D. M. , & Aarts, R. G. K. M. (2020). Building block based topology synthesis algorithm to optimize the natural frequency in large stroke flexure mechanisms. In Proceedings of the ASME 2020 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference IDETC/CIE2020 [V002T02A007] ASME Digital Collection. https://doi.org/10.1115/DETC2020-22393

Naves, M. , Hakvoort, W. B. J. , Nijenhuis, M. , & Brouwer, D. M. (2020). T-Flex: A large range of motion fully flexure-based 6-DOF hexapod. In R. K. Leach, D. Billington, C. Nisbet, & D. Phillips (Eds.), Proceedings of the 20th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2020 (pp. 205-208). EUSPEN. https://www.euspen.eu/knowledge-base/ICE20183.pdf

Nijenhuis, M. , Meijaard, J. P. , & Brouwer, D. M. (2020). A spatial closed-form nonlinear stiffness model for sheet flexures based on a mixed variational principle including third-order effects. Precision engineering, 66, 429-444. https://doi.org/10.1016/j.precisioneng.2020.08.003

Dwarshuis, K. , Aarts, R. , Ellenbroek, M. , & Brouwer, D. (2020). Kinematically started efficient position analysis of deformed compliant mechanisms utilizing data of standard joints. Mechanism and machine theory, 152, [103911]. https://doi.org/10.1016/j.mechmachtheory.2020.103911

Nijenhuis, M., Klein Avink, S. T. B. , Dierkes, W. K. , Noordermeer, J. W. M. , & Brouwer, D. M. (2020). Improved dynamic performance in flexure mechanisms by overconstraining using viscoelastic material. Precision engineering, 63, 115-125. https://doi.org/10.1016/j.precisioneng.2020.02.002

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d.m.brouwer@utwente.nl

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University of Twente
Faculty of Engineering Technology
Horst Complex (building no. 20), room T611
De Horst 2
7522LW Enschede
The Netherlands

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University of Twente
Faculty of Engineering Technology
Horst Complex T611
P.O. Box 217
7500 AE Enschede
The Netherlands

Faculty of Engineering Technology (ET), Precision Engineering (PE)

University of Twente Drienerlolaan 5
7522 NB Enschede

+31 (0)53 489 9111
info@utwente.nl
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prof.dr.ir. D.M. Brouwer PDEng (Dannis)

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