benchmark testing
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Electronics ◽  
2020 ◽  
Vol 9 (9) ◽  
pp. 1457
Author(s):  
Purva Talegaonkar ◽  
David Saucier ◽  
Will Carroll ◽  
Preston Peranich ◽  
Erin Parker ◽  
...  

This paper presents a retrospective of the benchmark testing methodologies developed and accumulated into the stretch sensor tool kit (SSTK) by the research team during the Closing the Wearable Gap series of studies. The techniques developed to validate stretchable soft robotic sensors (SRS) as a means for collecting human kinetic and kinematic data at the foot-ankle complex and at the wrist are reviewed. Lessons learned from past experiments are addressed, as well as what comprises the current SSTK based on what the researchers learned over the course of multiple studies. Three core components of the SSTK are featured: (a) material testing tools, (b) data analysis software, and (c) data collection devices. Results collected indicate that the stretch sensors are a viable means for predicting kinematic data based on the most recent gait analysis study conducted by the researchers (average root mean squared error or RMSE = 3.63°). With the aid of SSTK defined in this study summary and shared with the academic community on GitHub, researchers will be able to undergo more rigorous validation methodologies of SRS validation. A summary of the current state of the SSTK is detailed and includes insight into upcoming experiments that will utilize more sophisticated techniques for fatigue testing and gait analysis, utilizing SRS as the data collection solution.


2019 ◽  
Vol 30 (12) ◽  
pp. 125006 ◽  
Author(s):  
Pascal Forquin ◽  
Bratislav Lukić ◽  
Dominique Saletti ◽  
Laurent Sallier ◽  
Fabrice Pierron

Author(s):  
Surahmat Surahmat ◽  
Alfred Tenggono

Cloud computing is a technology that utilizes the internet as a service so that it does not use too many physical computers because the cloud computing system uses a virtual system where by using a computer alone it can provide services to many computers at the same time with a virtualization system. Research conducted by researchers focuses on comparing the performance of Infrastructure as a Service Cloud Computing services with the aim to finding out the strengths and weaknesses of the two types of software with type 1 hypervisor technology, namely Proxmox and Xenserver. The method used in this study is to use action research. The testing scheme conducted in this study is testing CPU load and memory usage, benchmark testing, network traffic testing, and retrieval of service user responsses. The results of testing on Xenserver and Proxmox get good responsse results for CPU load and memory usage testing, benchmark testing, network traffic testing then for responsse results from users Proxmox get a total value of 3848 and Xenserver 3739.


Diagnostics ◽  
2019 ◽  
Vol 9 (3) ◽  
pp. 100 ◽  
Author(s):  
Fung ◽  
Tan ◽  
Duong ◽  
Schivo ◽  
Littlefield ◽  
...  

Portable and wearable medical instruments are poised to play an increasingly important role in health monitoring. Mobile spirometers are available commercially, and are used to monitor patients with advanced lung disease. However, these commercial monitors have a fixed product architecture determined by the manufacturer, and researchers cannot easily experiment with new configurations or add additional novel sensors over time. Spirometry combined with exhaled breath metabolite monitoring has the potential to transform healthcare and improve clinical management strategies. This research provides an updated design and benchmark testing for a flexible, portable, open access architecture to measure lung function, using common Arduino/Android microcontroller technologies. To demonstrate the feasibility and the proof-of-concept of this easily-adaptable platform technology, we had 43 subjects (healthy, and those with lung diseases) perform three spirometry maneuvers using our reconfigurable device and an office-based commercial spirometer. We found that our system compared favorably with the traditional spirometer, with high accuracy and agreement for forced expiratory volume in 1 s (FEV1) and forced vital capacity (FVC), and gas measurements were feasible. This provides an adaptable/reconfigurable open access “personalized medicine” platform for researchers and patients, and new chemical sensors and other modular instrumentation can extend the flexibility of the device in the future.


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