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Relevant bibliographies by topics / SU8 Thermal Actuator

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Academic literature on the topic 'SU8 Thermal Actuator'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "SU8 Thermal Actuator"

1

Solano, B., S. Rolt, and D. Wood. "Thermal and mechanical analysis of an SU8 polymeric actuator using infrared thermography." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 222, no. 1 (2008): 73–86. http://dx.doi.org/10.1243/09544062jmes676.

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In the current paper, report the detailed thermomechanical analysis of a polymeric thermal actuator integrated in a microelectromechanical systems microgripper, is reported. The inclusion of an actuator design which eliminates completely the parasitic resistance of the cold arm improves considerably the thermal efficiency of the system and enables large displacements at lower input voltages and operating temperatures than reported previously. Two different microgrippers built using a trilayer polymer/metal/polymer combination of SU8/gold/SU8 have been modelled, fabricated, and tested. As oppos

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2

Viannie, Leema Rose, G. R. Jayanth, V. Radhakrishna, and K. Rajanna. "Fabrication and Nonlinear Thermomechanical Analysis of SU8 Thermal Actuator." Journal of Microelectromechanical Systems 25, no. 1 (2016): 125–33. http://dx.doi.org/10.1109/jmems.2015.2490485.

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3

Sheikhbahaie, Reza, Aria Alasty, and Hassan Salarieh. "Design, Modeling and Optimization of a Novel Two DOF Polymeric Electro-Thermal Micro-Actuator." Applied Mechanics and Materials 307 (February 2013): 112–16. http://dx.doi.org/10.4028/www.scientific.net/amm.307.112.

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In this paper, design, simulation and optimization of a novel electrothermally-activated polymeric microactuator capable of generating combination of bidirectional lateral and rotational motions are presented. The composite structure of this actuator is consisted of a symmetric meandered shape silicon skeleton, a SU8 thermal expandable polymer and a thin film chrome layer heater. This actuator is controlled by applying appropriate voltages on its four terminals. With the purpose of dimension optimization, a numerical parametric study is executed. The modeled actuator which is 1560 μm long, 156

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4

Mitrev, Rosen, Todor Todorov, Andrei Fursov, and Borislav Ganev. "Theoretical and Experimental Study of a Thermo-Mechanical Model of a Shape Memory Alloy Actuator Considering Minor Hystereses." Crystals 11, no. 9 (2021): 1120. http://dx.doi.org/10.3390/cryst11091120.

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The paper presents a theoretical and experimental investigation of a thermo-mechanical model of an actuator composed of a shape memory alloy wire arranged in series with a bias spring. The developed mathematical model considers the dynamics of the actuator in the thermal and mechanical domains. The modelling accuracy is increased through the developed algorithm for modelling the minor and sub minor hystereses, thus removing the disadvantages of the classical model. The algorithm improves the accuracy, especially when using pulse-width modulation control, for which minor and sub minor hysterese

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5

Goteea, Bimal Jeet, Qianjun Zhang, and Wei Dong. "A Compact Electromagnetic Dual Actuation Positioning System with a 10 mm Range and Nanometer Resolution." Actuators 12, no. 3 (2023): 132. http://dx.doi.org/10.3390/act12030132.

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In this manuscript, a compact electromagnetic dual actuation positioning system (CEDAPS) based on the Lorentz force principle that features a 10 mm range and nanometer-scale resolution with flexure guides is presented. Firstly, the stiffness of the flexure mechanism is modelled. Secondly, based on it, the primary coil is designed, and from its performance, a suitable secondary coil is made to compensate for the deficiency of the primary actuation subsystem. The characteristics of the forces generated by these coils are also evaluated by an electromagnetic FEA simulation. Thirdly, a control sch

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6

Maré, Jean-Charles. "Practical Considerations in the Modelling and Simulation of Electromechanical Actuators." Actuators 9, no. 4 (2020): 94. http://dx.doi.org/10.3390/act9040094.

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The work reported here was aimed at improving the practical efficiency of the model-based development and integration of electromechanical actuators. Models are proposed to serve as preliminary design, virtual prototyping, and validation. The first part focuses on the early phases of a project in order to facilitate the identification of modelling needs and constraints, and to build a top-level electromechanical actuator model for preliminary studies and sub-specification. Detailed modelling and simulation are then addressed with a mixed view on the control, power capability, and thermal balan

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7

Torres, David, LaVern Starman, Harris Hall, Juan Pastrana, and Sarah Dooley. "Design, Simulation, Fabrication, and Characterization of an Electrothermal Tip-Tilt-Piston Large Angle Micromirror for High Fill Factor Segmented Optical Arrays." Micromachines 12, no. 4 (2021): 419. http://dx.doi.org/10.3390/mi12040419.

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Micro-electromechanical system (MEMS) micromirrors have been in development for many years, but the ability to steer beams to angles larger than 20° remains a challenging endeavor. This paper details a MEMS micromirror device capable of achieving large motion for both tip/tilt angles and piston motion. The device consists of an electrothermal actuation assembly fabricated from a carefully patterned multilayer thin-film stack (SiO2/Al/SiO2) that is epoxy bonded to a 1 mm2 Au coated micromirror fabricated from an SOI wafer. The actuation assembly consists of four identical actuators, each compri

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8

Acharya, Govatsa, Fredrik Dehlin, Sara Bortot, and Ignas Mickus. "INVESTIGATION OF A SELF-ACTUATED, GRAVITY-DRIVEN SHUTDOWN SYSTEM IN A SMALL LEAD-COOLED REACTOR." EPJ Web of Conferences 247 (2021): 07007. http://dx.doi.org/10.1051/epjconf/202124707007.

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Passive safety systems in a nuclear reactor allow to simplify the overall plant design, beside improving economics and reliability, which are considered to be among the salient goals of advanced Generation IV reactors. This work focuses on investigating the application of a self-actuated, gravity-driven shutdown system in a small lead-cooled fast reactor and its dynamic response to an initiating event. The reactor thermal-hydraulics and neutronics assessment were performed in advance. According to a first-order approximation approach, the passive insertion of shutdown assembly was assumed to b

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9

Naserbakht, Sepideh, Andreas Naesby, and Aurélien Dantan. "Stress-Controlled Frequency Tuning and Parametric Amplification of the Vibrations of Coupled Nanomembranes." Applied Sciences 9, no. 22 (2019): 4845. http://dx.doi.org/10.3390/app9224845.

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Noninvasive tuning of the mechanical resonance frequencies of suspended parallel nanomembranes in various monolithic arrays is achieved by piezoelectric control of their tensile stress. Parametric amplification of their thermal fluctuations is shown to be enhanced by the piezoelectric actuation and amplification factors of up to 20 dB in the sub-parametric oscillation threshold regime are observed.

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10

Arnesano, Marco, Andrea Calvaresi, Filippo Pietroni, et al. "A Sub-Zonal PMV-Based HVAC and Façade Control System for Curtain Wall Buildings." Proceedings 2, no. 15 (2018): 1138. http://dx.doi.org/10.3390/proceedings2151138.

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This paper presents an experimental test room in a curtain wall building where an innovative monitoring and control system was implemented and tested. The proposed solution is composed by an IR-based comfort sensor that measures the PMV (Predicted Mean Vote) index for 2 room’s sub-zones and provides the optimal air temperature set-points. The overall control system includes a distributed sensors and actuators network, also embedded into the façade modules, to measure indoor and outdoor parameters and to regulate fan-coils, windows opening and shadings with a sub-zonal approach. Initial results

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