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Proceedings Papers

Bridging the Scales Between Twin Level and Component Level Models of Magnetic Shape Memory Alloys

Robert Courant, Jürgen Maas
Proc. ASME. SMASIS2022, ASME 2022 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T01A012, September 12–14, 2022
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2022-91681
https://doi.org/10.1115/SMASIS2022-91681
View Paper titled, Bridging the Scales Between Twin Level and Component Level Models of Magnetic Shape Memory Alloys
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Topics: Shape memory alloys, Stress, Twinning, Bridges (Structures), Computer simulation, Stress concentration
Proceedings Papers

Silicone Material With Enhanced Permittivity Used for Dielectric Elastomer Transducers

Ozan Çabuk, Jürgen Maas
Proc. ASME. SMASIS2019, ASME 2019 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T02A013, September 9–11, 2019
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2019-5730
https://doi.org/10.1115/SMASIS2019-5730
View Paper titled, Silicone Material With Enhanced Permittivity Used for Dielectric Elastomer Transducers
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Topics: Elastomers, Electrical properties, Silicones, Transducers
Proceedings Papers

Acoustical Behaviour of Buckling Dielectric Elastomer Actuators

Michael Gareis, Jürgen Maas
Proc. ASME. SMASIS2019, ASME 2019 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T02A014, September 9–11, 2019
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2019-5747
https://doi.org/10.1115/SMASIS2019-5747
View Paper titled, Acoustical Behaviour of Buckling Dielectric Elastomer Actuators
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Topics: Acoustics, Actuators, Buckling, Elastomers, Loudspeakers, Frequency response, Biomimetics, Deflection, Energy / power systems, Hardware
Proceedings Papers

Two-Speed Transmission Based on MRF Coupling Elements

Christian Hegger, Jürgen Maas
Proc. ASME. SMASIS2017, Volume 2: Modeling, Simulation and Control of Adaptive Systems; Integrated System Design and Implementation; Structural Health Monitoring, V002T04A021, September 18–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2017-4007
https://doi.org/10.1115/SMASIS2017-4007
View Paper titled, Two-Speed Transmission Based on MRF Coupling Elements
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Topics: Design, Fluids, Magnetic fluids, Torque, Vehicles, Weight (Mass)
Proceedings Papers

Modeling Approach for the Electrodynamics of Multilayer DE Stack-Transducers

Thorben Hoffstadt, Philip Meier, Jürgen Maas
Proc. ASME. SMASIS2016, Volume 1: Multifunctional Materials; Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Structural Health Monitoring, V001T02A015, September 28–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2016-9327
https://doi.org/10.1115/SMASIS2016-9327
View Paper titled, Modeling Approach for the Electrodynamics of Multilayer DE Stack-Transducers
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Topics: Electrodynamics, Modeling, Transducers, Design, Capacitance, Circuits, Elastomers, Electrodes, Network models, Partial differential equations
Proceedings Papers

Algorithms for the Real-Time Compensation of Hysteresis in MR Actuators Caused by Partially Filled Shear Gaps

Jürgen Maas, Christian Hegger
Proc. ASME. SMASIS2016, Volume 2: Modeling, Simulation and Control; Bio-Inspired Smart Materials and Systems; Energy Harvesting, V002T03A032, September 28–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2016-9329
https://doi.org/10.1115/SMASIS2016-9329
View Paper titled, Algorithms for the Real-Time Compensation of Hysteresis in MR Actuators Caused by Partially Filled Shear Gaps
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Topics: Actuators, Algorithms, Shear (Mechanics), Fluids, Particulate matter, Torque, Centrifugal force, Chain, Drag (Fluid dynamics), Dynamics (Mechanics)
Proceedings Papers

Sensorless Force Control Interface for DEAP Stack-Actuators

Thorben Hoffstadt, Jürgen Maas
Proc. ASME. SMASIS2015, Volume 1: Development and Characterization of Multifunctional Materials; Mechanics and Behavior of Active Materials; Modeling, Simulation and Control of Adaptive Systems, V001T03A023, September 21–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2015-9044
https://doi.org/10.1115/SMASIS2015-9044
View Paper titled, Sensorless Force Control Interface for DEAP Stack-Actuators
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Topics: Actuators, Force control, Transducers, Conducting polymers, Deformation, Density, Electronics, Feedforward control, Force measurement, Haptics
Proceedings Papers

Modelling Approach to Describe the Actuation Behavior of Magnetoactive Elastomers

Dominik Uhlenbusch, Jürgen Maas
Proc. ASME. SMASIS2015, Volume 1: Development and Characterization of Multifunctional Materials; Mechanics and Behavior of Active Materials; Modeling, Simulation and Control of Adaptive Systems, V001T02A006, September 21–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2015-8951
https://doi.org/10.1115/SMASIS2015-8951
View Paper titled, Modelling Approach to Describe the Actuation Behavior of Magnetoactive Elastomers
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Topics: Elastomers, Modeling, Finite element analysis, Magnetic fields, Probes, Composite materials, Damping, Fillers (Materials), Magnetism, Rheology
Proceedings Papers

Investigation of the Adhesion Properties of Laminated Multilayer-Actuators Based on DEAP Material

Kai Bokermann, Jürgen Maas
Proc. ASME. SMASIS2015, Volume 1: Development and Characterization of Multifunctional Materials; Mechanics and Behavior of Active Materials; Modeling, Simulation and Control of Adaptive Systems, V001T02A008, September 21–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2015-8985
https://doi.org/10.1115/SMASIS2015-8985
View Paper titled, Investigation of the Adhesion Properties of Laminated Multilayer-Actuators Based on DEAP Material
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Topics: Actuators, Adhesion, Transducers, Elastomers, Surface energy, Conducting polymers, Electric fields, Electrodes, Generators, Glues
Proceedings Papers

Model-Based Optimization and Characterization of DEAP Multilayer Stack-Actuators

Thorben Hoffstadt, Jürgen Maas
Proc. ASME. SMASIS2014, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T02A017, September 8–10, 2014
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2014-7690
https://doi.org/10.1115/SMASIS2014-7690
View Paper titled, Model-Based Optimization and Characterization of DEAP Multilayer Stack-Actuators
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Topics: Actuators, Optimization, Conducting polymers, Design, Pressure
Proceedings Papers

Experimental and Theoretical Investigation of the Giant MR-Effect

Christian Hegger, Jürgen Maas
Proc. ASME. SMASIS2014, Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring; Keynote Presentation, V001T03A037, September 8–10, 2014
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2014-7691
https://doi.org/10.1115/SMASIS2014-7691
View Paper titled, Experimental and Theoretical Investigation of the Giant MR-Effect
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Topics: Actuators, Compression, Magnetic fields, Magnetic fluids, Modeling, Particulate matter, Rheology, Shear (Mechanics), Shear rate, Tribology
Proceedings Papers

Integrated Sensor Concepts for Dielectric Elastomer Actuators

Jürgen Maas, Martin Griese, Thorben Hoffstadt
Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T02A019, September 16–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2013-3243
https://doi.org/10.1115/SMASIS2013-3243
View Paper titled, Integrated Sensor Concepts for Dielectric Elastomer Actuators
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Topics: Actuators, Elastomers, Sensors, Transducers, Dynamics (Mechanics), Algorithms, Conducting polymers, Deformation, Pressure
Proceedings Papers

Energy-Efficient MRF-Clutch With Optimized Torque Density

Dirk Güth, Markus Schamoni, Jürgen Maas
Proc. ASME. SMASIS2013, Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Integrated System Design and Implementation, V001T01A012, September 16–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2013-3153
https://doi.org/10.1115/SMASIS2013-3153
View Paper titled, Energy-Efficient MRF-Clutch With Optimized Torque Density
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Topics: Density, Torque, Actuators, Fluids, Shear (Mechanics), Design, Brakes, Engineering simulation, Excitation systems, Magnetic fields
Proceedings Papers

In-Plane Field Propagation in EAP Transducers Based on the Equivalent Network Method

Christian Graf, Jürgen Maas
Proc. ASME. SMASIS2012, Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring, 207-212, September 19–21, 2012
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2012-8180
https://doi.org/10.1115/SMASIS2012-8180
View Paper titled, In-Plane Field Propagation in EAP Transducers Based on the Equivalent Network Method
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Topics: Actuators, Conducting polymers, Design, Electrical conductivity, Electrical properties, Electrical resistivity, Electrodes, Energy conversion, Generators, Polymers
Proceedings Papers

Modeling Approach for a Fluid Movement Induced by Magnetic Forces for Viscous Loss Reduction of MRF Brakes and Clutches

Dirk Güth, Markus Schamoni, Jürgen Maas
Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 195-204, September 19–21, 2012
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2012-8135
https://doi.org/10.1115/SMASIS2012-8135
View Paper titled, Modeling Approach for a Fluid Movement Induced by Magnetic Forces for Viscous Loss Reduction of MRF Brakes and Clutches
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Topics: Brakes, Fluids, Magnetic fields, Modeling, Torque, Actuators, Separation (Technology), Shear (Mechanics), Stress, Braking
Proceedings Papers

Optimization of the Charging Process for Dielectric Elastomer Generators

Christian Graf, Thorben Hoffstadt, Jürgen Maas
Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 909-918, September 19–21, 2012
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2012-8179
https://doi.org/10.1115/SMASIS2012-8179
View Paper titled, Optimization of the Charging Process for Dielectric Elastomer Generators
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Topics: Elastomers, Generators, Optimization, Cycles, Energy harvesting, Electric fields, Polymers