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Towards Quantitative Characterisation of the Small Force Transducer Used in Nanoindentation Instruments

Zhi Li, Uwe Brand
2013 Modern Instrumentation  
To investigate the dynamic response of the transducer, an electrostatic MEMS (Micro-Electro-Mechanical System) based on nano-force transfer standard with nano-Newton (10 −9 Newton) resolution and a bandwidth  ...  Preliminary experimental results indicate that 1) the force transducer under calibration has a probing force uncertainty less than 300 nN (1σ) in the calibration range of 1 mN; 2) the transient duration  ...  Preliminary kinetic characterization of the small force transducer using a MEMS force standard has revealed that (1) a relatively long transient duration (on the order of 10 s) is needed for the transducer  ... 
doi:10.4236/mi.2013.24009 fatcat:sgsyprmuu5acrkppzg2dkd7rpa

Novel devices and interaction techniques for human-scale haptics

Lionel Dominjon, Jérôme Perret, Anatole Lécuyer
2007 The Visual Computer  
We investigate hardware solutions, with the design of devices offering a large workspace, as well as software solutions, with the description of a new interaction paradigm called Haptic Hybrid Control.  ...  Therefore, when dealing with human-scale virtual environments, haptic interaction usually remains limited to only a small portion of the virtual world.  ...  It is followed by a description of two novel haptic devices specially designed for human-scale haptic interaction: a large-scale cable-driven haptic device, and a redundant platform supporting a force-feedback  ... 
doi:10.1007/s00371-007-0100-4 fatcat:lyggp62ut5htxbyjwz4rl6dlxe

New steady-hand Eye Robot with micro-force sensing for vitreoretinal surgery

Ali Uneri, Marcin A. Balicki, James Handa, Peter Gehlbach, Russell H. Taylor, Iulian Iordachita
2010 2010 3rd IEEE RAS & EMBS International Conference on Biomedical Robotics and Biomechatronics  
Utilizing the forces measured by the end effector, we correct for tool deflections and implement a micro-force guided cooperative control algorithm to actively guide the operator.  ...  Realtime characterization and precise manipulation of this delicate tissue has thus far been hindered by human limits on tool control and the lack of a surgically compatible endpoint sensing instrument  ...  In this paper, we report the development of the next generation vitreoretinal surgery platform (Eye Robot 2), a novel augmented cooperative control method, and present experiments utilizing this system  ... 
doi:10.1109/biorob.2010.5625991 pmid:21461178 pmcid:PMC3065995 fatcat:3tetktlkwrhjviwmuc4qfnhaui

2020 Index IEEE Transactions on Medical Robotics and Bionics Vol. 2

2020 IEEE Transactions on Medical Robotics and Bionics  
Task Dynamics of Prior Training Influence Visual Force Estimation Ability During Teleoperation.  ...  ., +, TMRB May 2020 188-195 Phantoms A 3 mm Wristed Instrument for the da Vinci Robot: Setup, Characterization, and Phantom Tests for Cleft Palate Repair.  ...  Pneumatic actuators Characterization, Simulation and Control of a Soft Helical Pneumatic Implantable Robot for Tissue Regeneration.  ... 
doi:10.1109/tmrb.2020.3042324 fatcat:r4rzsfo755brhgqzfdrh7wi4da

Development of a Dynamic Oriented Rehabilitative Integrated System (DORIS) and Preliminary Tests

Summa, Gori, Freda, Castelli, Petrarca
2019 Sensors  
In order to overcome these limits, we developed a robotic platform: Dynamic Oriented Rehabilitative Integrated System (DORIS).  ...  The full access to the human movements and to the dynamic interaction is a further benefit for the identification of innovative solutions for research and physical rehabilitation purposes in a field that  ...  Acknowledgments: The authors would like to thank Mufy and Promax for the technical support for the help in realizing the mechanical structure and for the IT development of the platform control.  ... 
doi:10.3390/s19153402 fatcat:ot6u656rv5bq3bbjydg3jrsxve

A novel method for assessing adherent single-cell stiffness in tension: design and testing of a substrate-based live cell functional imaging device

Guido Bartalena, Reto Grieder, Ram I. Sharma, Tomaso Zambelli, Roman Muff, Jess G. Snedeker
2010 Biomedical microdevices  
We employed a real-time tracking system that analyzes high magnification images of living cells under stretch, and compensates for gross substrate motions by dynamic adjustment of the microscope stage.  ...  Here, we designed and implemented a novel, mechanically actuated, two dimensional cell culture system that enables a measure of cell stiffness based on quantitative functional imaging of cell-substrate  ...  Hansruedolf Sommer for his contribution to device construction, and Pascal Bissig and Michael Bieri from the ETH Zurich for their contribution to the tracking system design and implementation.  ... 
doi:10.1007/s10544-010-9493-3 pmid:21120698 fatcat:zzzr7qfg3jcsffa2atb45hyfai

Hardware performance assessment recommendations and tools for baropodometric sensor systems

Claudia Giacomozzi
2010 Annali dell'Istituto Superiore di Sanità  
The study lead to the definition of: i) an appropriate set of instruments and procedures for PMD technical assessment; ii) a minimum set of significant parameters for the technical characterization of  ...  The Italian National Institute of Health (ISS) approved and conducted a scientific project aimed to design, validate and implement dedicated testing methods for both in-factory and on-the-field PMD assessment  ...  for the linguistic revision of the manuscript.  ... 
pmid:20567067 fatcat:spwl2b6urjezzbppih4lgawl7y

A Modular 2-DOF Force-Sensing Instrument For Laparoscopic Surgery [chapter]

Srinivas K. Prasad, Masaya Kitagawa, Gregory S. Fischer, Jason Zand, Mark A. Talamini, Russell H. Taylor, Allison M. Okamura
2003 Lecture Notes in Computer Science  
We have developed a novel, biocompatible 2-DOF force-sensing sleeve that can be used modularly with a variety of 5mm laparoscopic instruments.  ...  The functional requirements for such a device are defined, and design strategies are explored.  ...  Moreover, these systems have been used to characterize the kinematics and dynamics of surgery and the evaluation of surgical skills [6, [8] [9] [10] [12] [13] [14] .  ... 
doi:10.1007/978-3-540-39899-8_35 fatcat:kdvojoitlrhn5ekh5pmtt3crza

A Wireless Flexible Sensorized Insole for Gait Analysis

Simona Crea, Marco Donati, Stefano De Rossi, Calogero Oddo, Nicola Vitiello
2014 Sensors  
This paper introduces the design and development of a novel pressure-sensitive foot insole for real-time monitoring of plantar pressure distribution during walking.  ...  The design and development of the device is presented along with its experimental characterization and validation with healthy subjects performing a task of walking at different speeds, and benchmarked  ...  Acknowledgments This work was supported in part by the European Union within the CYBERLEGs Project Conflicts of Interest The authors declare no conflict of interest.  ... 
doi:10.3390/s140101073 pmid:24412902 pmcid:PMC3926603 fatcat:7vb622xb5jd7lkjt3eyacmvj3e

A Low Cost Wireless System to Monitor Plantar Pressure using Insole Sensor: Feasibility Approach

Renato Varoto, Gustavo Casagrande Oliveira, Adolfo Victor Freire de Lima, Matheus Missola Critter, Alberto Cliquet Jr.
2017 Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies  
According to the preliminary results, this system is effective to show the interaction between the foot and floor in static and dynamic conditions, presenting a measurement range of pressure of 0-300kPa  ...  To verify the feasibility and effectiveness of the system, workbench tests were realized and a healthy subject performed pilot trials based on static and dynamic activities on the biomechanics platform  ...  ACKNOWLEDGEMENTS We thank the support by grants from São Paulo Research Foundation (FAPESP) and National Council for Scientific and Technological Development (CNPq).  ... 
doi:10.5220/0006246402070214 dblp:conf/biostec/VarotoOLCC17 fatcat:5rbvhgbs7bde7kjmxcsmbkxu2y

Parallel Kinematic Machine Research at NIST: Past, Present, and Future [chapter]

A. J. Wavering
1999 Parallel Kinematic Machines  
The merits and key challenges of parallel kinematic machine tools will also be addressed, and directions for future research will be identified.  ...  The parallel actuator technology promises to offer manufacturers a number of advantages relative to conventional machine tools, such as a higher stiffness-to-mass ratio, higher speeds, higher accuracy,  ...  Acknowledgements The author gratefully acknowledges the contributions of Charles Clinton (at the time with the University of Maryland) and NIST colleagues Johannes Soons, Joe Falco, and Roger Bostelman  ... 
doi:10.1007/978-1-4471-0885-6_2 fatcat:3qklngfp7bdhxifzkbptersftq

A precise embedded curvature sensor module for soft-bodied robots

Selim Ozel, Nehir A. Keskin, Darien Khea, Cagdas D. Onal
2015 Sensors and Actuators A-Physical  
We verify performance of sensor modules on static and dynamic bending deformations based on a single initial calibration step.  ...  To the best of our knowledge, the presented device is the first modular and integrated soft-bodied sensor design that is demonstrated to be accurate up to 7.5 Hz with a root mean square error of 0.023  ...  We also present a test platform to repeatably characterize and verify our soft curvature sensors under static and dynamic loading conditions.  ... 
doi:10.1016/j.sna.2015.09.041 fatcat:gnf4rxb2ifa4jikaeksw2os6pq

Design and validation of a platform robot for determination of ankle impedance during ambulation

E. J. Rouse, L. J. Hargrove, M. A. Peshkin, T. A. Kuiken
2011 2011 Annual International Conference of the IEEE Engineering in Medicine and Biology Society  
To this end, a platform robot was developed that can apply an angular perturbation to the ankle during ambulation and simultaneously acquire ground reaction force data.  ...  In this study, we detail the design of the platform robot and characterize the impedance of the ankle during quiet standing.  ...  This is a preliminary study and future work will focus on more subjects and validation with a mechanical system, further demonstrating the accuracy of the Perturberator.  ... 
doi:10.1109/iembs.2011.6092017 pmid:22256240 dblp:conf/embc/RouseHPK11 fatcat:kcnhlrfvcjd5nhks5ua2qh6scy

3004 Effects of Early Life Stress on Adult Behavioral and Neural Outcomes in Rats

Alexandra Moussa-Tooks, Ken Mackie, John Green, Lisa Bartolomeo, Alex Gimeno, Eric Larson, Heather Bradshaw, Emma Leishman, Brian O'Donnell, William Hetrick
2019 Journal of Clinical and Translational Science  
This work provides a basis for understanding stress impacts on the development of cognitive deficits observed in psychotic and anxiety disorders.  ...  Broadly, understanding stress-related endocannabinoid dysregulation may provide insights into risks for, and the development of, psychopathology and uncover novel therapeutic targets with high translational  ...  Future analysis will quantify mRNA and protein for cannabinoid receptors to better characterize aberrations to this system.  ... 
doi:10.1017/cts.2019.26 fatcat:i4dr5okwlbdixcfqqpvfbhvjqa

Estimation of Muscle Forces and Joint Moments Using a Forward-Inverse Dynamics Model

2005 Medicine & Science in Sports & Exercise  
In the first step, muscle activation dynamics govern the transformation from the EMG signal to a measure of muscle activation-a time-varying parameter between 0 and 1.  ...  The aim of the model is to estimate or predict muscle forces about a joint, which can be used to estimate the corresponding joint compressive forces, and/or ligament forces in healthy and impaired subjects  ...  We thank Shay Cohen for his technical assistance with the data acquisition and ankle model development.  ... 
doi:10.1249/01.mss.0000176684.24008.6f pmid:16286861 fatcat:sdnr3bcdcnh2lajoegumi5q63y
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