Showing 1-25 of 204 resultsfor "Index Terms":Air Sacs
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Effects of the air sac thickness on ventilation by a 1D model of an avian respiratory system
2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
Year: 2013 | Conference Paper |
Airflow in an avian respiratory system was simulated to study why birds affected with airsacculitis have respiratory distress. The airflow in the avian lung was modeled with a 1D electrical circuit and simulated for investigating what effect an increase in wall thickness of air sacs caused by airsacculitis has on flow in lung. The results demonstrated that thickening of the air sac wall caused ant...Show More
Effect of Different Operating Conditions on the Thermal Performance of a Helical Flow Path Solar Air Collector
2024 IEEE International Multi-Conference on Smart Systems & Green Process (IMC-SSGP)
Year: 2024 | Conference Paper |
Solar air collectors are generally used in various applications such as space heating and product drying. In this work, both experimental and numerical analyses are conducted on a solar air collector with a helical flow path. The thermal performance of the solar collector is examined under different operating conditions. Simultaneously, a CFD model is developed to investigate the fluid flow and he...Show More
An alternating pressure sequence proposal for an air-cell cushion for preventing pressure ulcers
Sandra Arias;Eladio Cardiel;Pablo Rogeli;Taketoshi Mori;Gojiro Nakagami;Hiroshi Noguchi;Hiromi Sanada
2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Year: 2014 | Conference Paper |
Cited by: Papers (4)
The distribution and release of pressure on ischial regions are two important parameters for evaluating the effectiveness of a cushion; especially the release of pressure over time on ischial tuberosities, which is significant for preventing pressure ulcers. The aim of this work is to evaluate the effect on interface pressure through the application of a proposed alternating pressure sequence for ...Show More
Merging in Air Corridors Using Vehicle-to-Vehicle Communications
Batool Dalloul;Jaya Sravani Mandapaka;Logan McCorkendale;Shane Nicoll;Kamesh Namuduri
ICC 2024 - IEEE International Conference on Communications
Year: 2024 | Conference Paper |
Cited by: Papers (1)
With a projected increase in the traffic volume of Unmanned Aircraft Systems (UAS) by 2030, congestion of airspace and communication techniques between multiple UAS are the main challenges. The use of UAS in various applications, such as air taxis, air ambulances, disaster management, etc., requires a dedicated Air Traffic Management (ATM) system to avoid Near Mid-Air Collisions (NMAC). The Nation...Show More
Many robotic applications that physically interact with humans require the measurement of interaction forces to ensure accurate control as well as safety. Devices that are directly attached to the human body, such as wearable devices, must use soft and flexible materials to be comfortable and safe. Most soft sensors cannot measure large amounts of force because soft materials can easily deform and...Show More
Surface and curve skeleton from a structure tensor analysis applied on mastoid air cells in human temporal bones
2017 IEEE 14th International Symposium on Biomedical Imaging (ISBI 2017)
Year: 2017 | Conference Paper |
The mastoid of human temporal bone contains numerous air cells connected to each others. In order to gain further knowledge about these air cells, a more compact representation is needed to obtain an estimate of the size distribution of these cells. Already existing skeletonization methods often fail in producing a faithful skeleton mostly due to noise hampering the binary representation of the da...Show More
Tactile array sensor for manipulator based on the barometric chips
Chaoxiang Yang;Chun Zhang;Wenao Xie;Hanjun Jiang;Zhihua Wang
2017 IEEE 60th International Midwest Symposium on Circuits and Systems (MWSCAS)
Year: 2017 | Conference Paper |
This article presents a new method of using barometric chips to make tactile array sensor for manipulator. The barometric chip can detect and convert analog air pressure to digital signal and calculate the value of surface air pressure. First we design appropriate circuits with the PCB technology and mount the chips on the board, then we manufacture a silica gel air cell on each chip. In the way, ...Show More
Hybrid method for topology optimization based on a meta-heuristic method and pixel connectivity
The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)
Year: 2020 | Conference Paper |
One of the recent developments in engineering optimization is the topology optimization. This method is common in mechanical engineering and optimization of mechanical structures, but it can be used to design novel structures of the electromagnetic devices and electrical machines. In general, topology optimization results need a further development or post-processing to gain a device, which is mor...Show More
Comprehensive study of the two-step solution processes in ambient air for lead iodide perovskite solar cells
Hojjatollah Sarvari;Xiaohui Wang;Yafei Wang;Peng Zhang;Shibin Li;Hongmei Dang;Vijay P. Singh;Zhi Chen
2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC)
Year: 2016 | Conference Paper |
Organic-inorganic lead halide perovskite solar cells have attracted a great deal of interest because of potential low cost and high efficiency. However, in most publications, solar cells were fabricated in a highly controlled environment (glove boxes). Only a few papers reported fabrication of solar cells in air with the maximum efficiency of ~15%. We carried out comprehensive study of the two-ste...Show More
A Traffic Control Framework for Uncrewed Aircraft Systems
Ananay Vikram Gupta;Aaditya Prakash Kattekola;Ansh Vikram Gupta;Dacharla Venkata Abhiram;Kamesh Namuduri;Ravichandran Subramanian
ICC 2024 - IEEE International Conference on Communications
Year: 2024 | Conference Paper |
The exponential growth of Advanced Air Mobility (AAM) services demands assurances of safety in the airspace. This research presents a Traffic Control Framework (TCF) for developing digital flight rules for Uncrewed Aircraft System (UAS) flying in designated air corridors. The proposed TCF helps model, deploy, and test UAS control agents, regardless of their hardware configurations. This paper inve...Show More
Physiotherapeutic Movements by Advanced Robotic Beds: Perspectives in Triggering Nanodrugs
2016 Nanotechnology for Instrumentation and Measurement (NANOfIM)
Year: 2016 | Conference Paper |
Cited by: Papers (5)
There is a great interest in the use of nanodrugs to target specific pathologies that cannot be adequately treated by means of common drug. Nanomedicine can be combined with body/some members of body movements to trigger drug delivery. That is one of the most important objective of a new field of research and treatment methodology. This research traces out new approach of using a complete physioth...Show More
An Automatic Colon Cleansing Method for Virtual Colonoscopy
2009 First International Conference on Information Science and Engineering
Year: 2009 | Conference Paper |
Cited by: Papers (3)
Reliable segmentation of the colon is essential for automatic detection of polyps on virtual colonoscopy (VC). Large clinical trial suggests that providing patients with oral contrast agents may reduce the false positive rate of polyp detection even without bowel purgation, since residual fluid and remnants inside colon can be tagged out and become identifiable. Colon cleansing aims to remove the ...Show More
A phantom validation of the FastHARP pulse sequence
Proceedings IEEE International Symposium on Biomedical Imaging
Year: 2002 | Conference Paper |
Cited by: Papers (2)
The FastHARP magnetic resonance imaging pulse sequence, coupled with fast processing, has the potential to measure and display cardiac function in real-time during clinical dobutamine stress tests. In this paper, we present a preliminary validation of the tracking capability of material points using this imaging sequence. Points lying on a mesh embedded in a moving gel phantom are tracked manually...Show More
Detection of Pneumonia using Chest X-Ray Images and Convolutional Neural Network
2021 9th International Conference on Reliability, Infocom Technologies and Optimization (Trends and Future Directions) (ICRITO)
Year: 2021 | Conference Paper |
Cited by: Papers (2)
Pneumonia is an extremely severe contagion that causes inflammation in the air sacs of one or both lungs. The air pouches may be occupied with liquefied or pus which causes coughing with pus or phlegm, along with fever, chills, and exertion in breathing. Pneumonia may be because of a variety of reasons such as organisms ranging from bacteria to viruses to fungi. Pneumonia can affect us with varyin...Show More
Thermal insulation — A method to reduce heat load and electricity consumption — A case study of cold storages
2015 International Conference on Recent Developments in Control, Automation and Power Engineering (RDCAPE)
Year: 2015 | Conference Paper |
Cited by: Papers (1)
The aim of this research is to find out how the electricity consumption can be reduced by reduction in the heat load. In furtherance of our aim, a cold storage has been taken for study and with the help of insulation in the cold storage; heat load has been reduced as it lowers the temperature. Several methods and materials have been discussed in this research and also provide the method of selecti...Show More
Development of an air seat cushion orthosis
Jung Hwa Hong;Gyoo Suk Kim;Jun Uk Chu;Jei Cheong Ryu;Mu Seong Mun;In Huk Lee
In this study, a seat cushion orthosis was designed using the finite element human dummy and air cell models. The design of air cells in the orthosis was selected based on simulated strain distributions from four kinds of air cell based on different number of ribs. Also, the size of air cell was selected based on simulated interface pressure characteristics. Since the interface pressure characteri...Show More
Classification of Lobar Pneumonia by Two Different Classifiers in Lung CT Images
2018 International Conference on Communication and Signal Processing (ICCSP)
Year: 2018 | Conference Paper |
Cited by: Papers (8)
Pneumonia is a lung disorder caused due to microbial infections. The study is an attempt to identify and classify pneumonia into several stages as mild, moderate and severe using Gray Level occurrence Matrix (GLCM) texture features. The study involves 30 subjects (10 mild, 10 moderate and 10 severe) suffering from mild, moderate and severe lobar pneumonia. The CT examination of lung was performed ...Show More
Airflow effect on microwave ablation in lung model
C. Phairoh;A. Sanpanich;Y. Kajornpredanon;K. Petsarb;W. Sroykham;W. Angkhananuwat;P. Phasukkit;C. Pidthalek
2015 8th Biomedical Engineering International Conference (BMEiCON)
Year: 2015 | Conference Paper |
Cited by: Papers (4)
Pulmonary microwave ablation has been trailed and became dramatically recognized as an alternative surgical method for lung cancer treatment due to its minimal invasive technique and destroyable only a small part of malignant tissue. Even though, lung is realized as a porous tissue in which filled of humid air and a capillary network that rather difficult to control an ablation region, then a pred...Show More
Wavelet Transform Based Pneumonia Classification of Chest X- Ray Images
2019 International Conference on Computing, Power and Communication Technologies (GUCON)
Year: 2019 | Conference Paper |
Cited by: Papers (2)
Pneumonia is a contagious disease that inflames the sac of air in either of our lungs. It occurs mainly due to microbial infection. In proposed work, we have used normal and abnormal (infected with pneumonia) data set of chest x-ray for detection of pneumonia. With Wavelet Transform method and Gray level Co- Occurrence Matrix (GLCM) , total 6 time-frequency domain features are extracted for approx...Show More
Design of an Alternating Pressure Overlay for the Treatment of Pressure Ulcers
Malindu Ehelagastenna;Ishan Sumanasekara;Hishan Wickramasinghe;Indrajith D. Nissanka;Gayani K. Nandasiri
2021 Moratuwa Engineering Research Conference (MERCon)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
This paper discusses the development of an alternating pressure overlay designed with miniaturized air cells for the treatment of pressure ulcers. Pressure ulcers can be identified as a skin deformity due to application of prolonged pressure on the skin causing improper blood circulation. The alternating behaviour of the air cells aid in pressure relieving, thus provide better blood circulation to...Show More
Evaluation of a vortex model of buoyancy-driven recirculation in potential flow analysis of data center performance
Michael M. Toulouse;David J. Lettieri;Van P. Carey;Cullen E. Bash;Amip J. Shah
13th InterSociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems
Year: 2012 | Conference Paper |
Cited by: Papers (4)
The prediction of flow and temperature in data center operation is of particular importance in creating better capacity utilization and lower capital costs. However, it is often a time- and computing-intensive task, and would be well served by more expeditious modeling methods than full Computational Fluid Dynamic (CFD) thermofluidic models. A software package named COMPACT (Compact Model of Poten...Show More
Invited Paper: Ground-Based Communication Support for Air Corridors
Kasun Prabhath;Xiang Sun;Sudharman K. Jayaweera;Daniel Manu;Karthik Kakaraparty;Sah Pallav;Ifana Mahbub;Jaya Sravani Mandapaka;Sudesna Das Rochi;Mahdin Meraz;Kamesh Namuduri
2023 IEEE 34th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)
Year: 2023 | Conference Paper |
Cited by: Papers (1)
Advanced Air Mobility (AAM) is envisioned to bring a new mode of air transportation with promising benefits to the society, at large. AAM services such as air taxis and air ambulances are expected to bridge the digital divide between urban and rural/tribal regions. For AAM services to be deployed at large-scale, there are several technical challenges that need to be addressed. Reliable communicati...Show More
A Brief Overview of the Respiratory Sound Based Detection of Chronic Obstructive Pulmonary Disease(COPD)
2022 4th International Conference on Circuits, Control, Communication and Computing (I4C)
Year: 2022 | Conference Paper |
Lung sound reflects the lung morphology. Changes in behavior of respiratory sound could be the direct indicator of changes in the lung morphology due to pulmonary diseases. Computerized lung sound analysis is one of the cost effective as well as the non-invasive tool to analyze respiratory diseases. Chronic Obstructive Pulmonary Disease (COPD) is one of the chronic lung diseases whose correct diag...Show More
Flexible Multielectrode Arrays With 2-D and 3-D Contacts for $In~ Vivo$ Electromyography Recording
We present a system for recording in vivo electromyographic (EMG) signals from songbirds using hybrid polyimide-polydimethylsiloxane (PDMS) flexible multielectrode arrays (MEAs). 2-D electrodes with a diameter of 200, 125, and 50 μm and a center-to-center pitch of 300, 200, and 100 μm, respectively, were fabricated. 3-D MEAs were fabricated using a photoresist reflow process to obtain hemispherica...Show More
Preliminary tests for a sensor for measuring pressure as a function of location were performed. The sensor is a stripline with electrothermomechanical film as a substrate. The film consists of plastic with air cells. When pressure is applied on the film, the dimensions of the air cells change. When the film is used as substrate in a stripline the pressure changes the impedance of the stripline, wh...Show More
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