检索结果-南通市图书馆

Development of IoT-Based Condition Monitoring System for Bridges

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Sound & Vibration 2022年第3期56卷 209-220页

作者： Sheetal A.Singh suresh S.Balpande Department of Electronics Engineering Shri Ramdeobaba College of Engineering&ManagementNagpurIndia

As of April 2019,India has 1,42,126 kilometres of National Highways and 67,368 kilometres of railway tracks that reach even the most remote parts of the *** are critical for both passenger and freight movement in the *** bridges play such an important part in the transportation system,their safety and upkeep must be *** Condition Monitoring has the disadvantage of being sluggish,unreliable,and *** Internet of Things has given structural monitoring a *** decreases in the cost of electronics and connection,together with the expansion of cloud platforms,have made it possible to collect large amounts of data remotely,aggregate it,and perform essential analysis to generate actionable *** research focuses on a scalable system for monitoring the state of bridges,such as vibration and loading,employing multimodal inputs,controllers,and Wi-Fi *** accelerometer and load cells were installed on the prototype,tested for a sample load(56.21 grams_(avg),590 grams_(max),and 147.66 grams_(rms))with induced vibration(5.87 m/sec^(2)_(avg),18 m/sec^(2)_(max),and 7.04 m/sec^(2)_(rms))that are processed,displayed on-board,and uploaded to ThingSpeak cloud *** system will aid the maintenance personnel in remotely monitoring *** system can send out notifications if any of these parameters exceeds their threshold value,allowing you to take preventive measures ahead of time.

关键词： Accelerometer bridges IoT sensors structure health monitoring ThingSpeak

Half-a-century(1971–2020)of glacier shrinkage and climatic variability in the Bhaga basin,western Himalaya

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Mountain Science 2023年第3期20卷 299-324页

作者： DAS suresh SHARMA Milap Chand MURARI Madhav Krishna NÜSSER Marcus SCHMIDT Susanne Centre for the Study of Regional Development Jawaharlal Nehru UniversityNew Delhi 110067India National Geochronology Facility Inter-University Accelerator CentreNew Delhi 110067India Department of Geography South Asia Institute(SAI)Heidelberg UniversityHeidelberg 69115Germany Heidelberg Centre for the Environment(HCE) Heidelberg UniversityHeidelberg 69120Germany

Glacier shrinkage is a globally occurring ***-resolution change detection based on frequent mapping and monitoring of high-altitude glaciers is necessary to precisely evaluate future water availability and to understand glacier evolution under different climatic scenarios in the Hindukush-Karakoram-Himalayan(HKH)*** also holds true for the Bhaga basin of the western *** study investigates glacier and glacier lake changes in the Bhaga basin,over the last five decades based on satellite imagery including Corona KH4(1971),Landsat 7 Enhanced Thematic Mapper Plus(ETM+;2000),Linear Imaging Self-Scanning Sensor(LISS Ⅳ;2013),and Sentinel 2(2020).Regional temperature and precipitation trends were evaluated from gridded climatic datasets(1900–2020).In the Bhaga basin 306 glaciers(>0.2 km^(2))were mapped with a total area of 360.3±4.0 km^(2),of which 55.7±0.6 km^(2)was covered with debris in *** total glacier covered area decreased by∼8.2±1.5%(0.16±0.03%yr-1)during the entire observation period 1971–2020,with noticeable heterogeneity between tributary *** the past two decades(2000–2020),the deglaciation rate has increased significantly(0.25%yr-1)compared to the previous decades(1971–2000;0.12%yr-1).Glacier lake area increased by 0.6±0.1 km^(2)(0.012 km^(2)yr-1)between 1971 and *** NCEP/NCAR climatic data reveals an increase of 0.63℃in temperature and a decrease of 6.39 mm in precipitation for the period 1948–*** comparison,APHRODITE data shows an increasing trend in temperature of 1.14℃between 1961 and 2015 and decreasing trend in precipitation of 31 mm between 1951 and *** NCEP/NCAR and APHRODITE data reveal significant temperature increase and precipitation decrease since the 1990s,which have probably augmented ice loss in the Bhaga basin during the early 21st century.

关键词： Glacier change Remote sensing APHRODITE NCEP/NCAR reanalysis Climate change Western Himalaya

Fuzzy Aggregator Based Energy Aware RPL Routing for IoT Enabled Forest Environment

在线全文

学校读者我要写书评

暂无评论

Computers, Materials & Continua 2022年第8期72卷 4039-4055页

作者： S.Srividhya suresh Sankaranarayanan Sergei A.Kozlov Joel J.P.C.Rodrigues Department of Data Science and Business Systems School of ComputingSRM Institute of Science and TechnologyChennai603203TamilnaduIndia Department of Networking and Communications School of ComputingSRM Institute of Science and TechnologyChennai603203TamilnaduIndia ITMO University St.PetersburgRussia Senac Faculty of Ceará FortalezaCEBrazil Instituto de Telecomunicações Covilhã6201-001Portugal

Forested areas are extremely vulnerable to disasters leading to environmental *** Fire is one among them which requires immediate *** are lot of works done by authors where Wireless Sensors and IoT have been used for forest fire ***,towards monitoring the forest fire and managing the energy efficiently in IoT,Energy Efficient Routing Protocol for Low power lossy networks(E-RPL)was *** were challenges about the scalability of the network resulting in a large end-to-end delay and less packet delivery which led to the development of Aggregator-based Energy Efficient RPL with Data Compression(CAAERPL).Though CAA-ERPL proved effective in terms of reduced packet delivery,less energy consumption,and increased packet delivery ratio for varying number of nodes,there is still challenge in the selection of aggregator which is based purely on probability percentage of *** has been research work where fuzzy logic been employed for Mobile Ad-hoc Routing,RPL routing and cluster head selection in Wireless *** has been no work where fuzzy logic is employed for aggregator selection in Energy Efficient *** accordingly,we here have proposed Fuzzy Based Aggregator selection in Energy-efficient RPL for region thereby forming DODAG for communicating to Fog/*** here have developed fuzzy inference rules for selecting the aggregator based on strength which takes residual power,Node degree,and Expected Transmission Count(ETX)as input *** Fuzzy Aggregator Energy Efficient RPL(FA-ERPL)based on fuzzy inference rules were analysed against E-RPL in terms of scalability(First and Half Node die),Energy Consumption,and aggregator node energy *** the analysis,it was found that FA-ERPL performed better than *** were simulated using MATLAB and results.

关键词： Fuzzy logic aggregator IoT RPL routing wireless sensor network

Impact assessment of the seasonal hydrological loading on geodetic movement and seismicity in Nepal Himalaya using GRACE and GNSS measurements

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Geodesy and Geodynamics 2022年第5期13卷 445-455页

作者： Devendra Shashikant Nagale suresh Kannaujiya Param K.Gautam Ajay K.Taloor Tandrila Sarkar Indian Institute of Remote Sensing ISRODehradunUttarakhand 248001India Wadia Institute of Himalayan Geology DehradunUttarakhand 248001India Department of Remote Sensing and GIS University of JammuJammu 180006India Indian Institute of Technology(Indian School of Mines) Dhanbad 826004India

The Himalayan terrain is an epitome of ongoing convergence and geodetic deformation where both tectonic and non-tectonic forces *** this study,the Gravity Recovery and Climate Experiment(GRACE)and Global Positioning System(GPS)datasets are used to assess the impact of seasonal loading on deformation with seismicity in *** recorded GPS data from 21 Global Navigation Satellite System(GNSS)stations during 2017-2020 are processed with respect to ITRF14 and the Indian reference frame,and the Center for Space Research(CSR)mascon RL06 during 2002-2020 is adopted to estimate the terrestrial water storage(TWS)change over the Ganga-Brahmaputra River *** results indicate that the hydrological loading effect or TWS change shows high negative,high positive,and moderately positive values in pre-monsoon,co-monsoon,and post-monsoon months,*** detrended GPS data of both horizontal and vertical components correlate with the seasonal TWS change using the Pearson correlation coefficient at each GNSS *** addition,the correlation coefficient has been interpolated using inverse distance weighting to investigate the regional TWS influence on geodetic *** the north component,the correlation coefficient ranges from-0.6 to *** the same time,the TWS is positively correlated with geodetic displacement(0.82)in the east component,and the correlation coefficient is negative(-0.69)in the vertical *** negative correlation signifies an inverse relationship between seasonal TWS variation and geodetic *** strain rate is estimated,which shows higher negative values in pre-monsoon than in ***,the effect of seismicity is 47.90%for pre-monsoon,15.97%for co-monsoon,and 17.56%for *** we can infer that the seismicity decreases with the increase of seasonal hydrological ***,the effect of strain is much higher in pre-monsoon than in post-monsoon since the impact of co-monsoon continues to

关键词： Non-tectonic Terrestrial water storage GRACE Strain rate Seismicity

Test re-test reliability of virtual acoustic space identification (VASI) test in young adults with normal hearing

在线全文

学校读者我要写书评

暂无评论

Journal of Otology 2023年第1期18卷 55-62页

作者： Kavassery Venkateswaran Nisha Prabuddha Bhatarai Kruthika suresh Shashish Ghimire Prashanth Prabhu Department of Audiology All India Institute of Speech and HearingManasagangothriMysuru570006India

Background:Recent developments in virtual acoustic technology has levered promising applications in the field of auditory sciences,especially in spatial *** conventional auditory spatial assessment using loudspeakers,interaural differences and/or questionnaires are limited by the availability and cost of instruments,the use of virtual acoustic space identification(VASI)test has widespread applications in spatial test battery as it overcomes these ***:The lack of test-retest reliability data of VASI test narrows its direct application in auditory spatial assessment,which is explored in the present ***:Data from 75 normal-hearing young adults(mean age:25.11 y±4.65 SD)was collected in three sessions:baseline,within 15 min of baseline(intra-session),and one week after baseline session(inter-session).Test-retest reliability was assessed using the intra-class correlation coefficient(ICC),coefficient of variation(CV),and cluster ***:The results showed excellent reliability for both accuracy and reaction time measures of VASI,with ICC values of 0.93 and 0.87,*** CV values for overall VASI accuracy and reaction time 9.66% and 11.88%,*** was also complemented by the cluster plot analyses,which showed 93.33% and 96.00% of temporal stability in the accuracy and reaction time measures,indicative of high test-retest reliability of VASI test in auditory spatial ***:The high temporal stability(test-retest reliability)of VASI test validates its application in spatial hearing test battery.

关键词： Test-retest reliability Psychoacoustics Virtual auditory spatial perception Intra-and inter-session Accuracy Reaction time

Intrusion Detection Using Ensemble Wrapper Filter Based Feature Selection with Stacking Model

在线全文

学校读者我要写书评

暂无评论

Intelligent Automation & Soft Computing 2023年第1期35卷 645-659页

作者： D.Karthikeyan V.Mohan Raj J.Senthilkumar Y.suresh Department of ECE KongunaduCollege of Engineering and TechnologyTrichy621215India Department of IT Sona College of TechnologySalem636005India

The number of attacks is growing tremendously in tandem with the growth of internet *** a result,protecting the private data from prying eyes has become a critical and tough *** intrusion detection solutions have been offered by researchers in order to decrease the effect of these *** attack detection,the prior system has created an SMSRPF(Stacking Model Significant Rule Power Factor)*** provide creative instance detection,the SMSRPF combines the detection of trained classifiers such as DT(Decision Tree)and RF(Random Forest).Nevertheless,it does not generate any accuratefindings that are *** suggested system has built an EWF(Ensemble Wrapper Filter)feature selection with SMSRPF classifier for attack detection so as to overcome this *** UNSW-NB15 dataset is used as an input in this proposed research ***,min–max normalization approach is used to pre-process the incoming *** feature selection is then carried out using *** on the selected features,SMSRPF classifiers are utilized to detect the *** SMSRPF is integrated with the trained classi-fiers such as DT and RF to create creative instance *** that,the testing data is classified using MCAR(Multi-Class Classification based on Association Rules).The SRPF judges the rules correctly even when the confidence and the lift measures *** accuracy,precision,recall,f-measure,computation time,and error,the experimental findings suggest that the new system outperforms the prior systems.

关键词： Intrusion detection system(IDS) ensemble wrapperfilter(EWF) stacking model with significant rule power factor(SMSRPF) classifier

Critical current parameterization of high temperature Superconducting Tapes:A novel approach based on fuzzy logic

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Superconductivity 2023年第1期5卷 17-25页

作者： Nitish Varma Ulchi suresh Alireza Sadeghi Mohammad Yazdani-Asrami Propulsion Electrification&Superconductivity GroupJames Watt School of EngineeringUniversity of GlasgowGlasgow G128QQUnited Kingdom

In this study a novel method was presented to parameterize the critical current of Yttrium Barium Copper Oxide(YBCO)tapes based on their width,thickness,magnetothermal operational conditions,and the applied *** this purpose,a fuzzy‐logic‐based model was developed that take tapes structures and their operational conditions as inputs to calculate their critical current,as *** results of critical current parame-terization by fuzzy‐logic‐based model showed that the relative error of the proposed model is less than 3%comparing to experimentally acquired ***,the results of presented model was compared to results of semi‐analytical fitting‐based models and fully‐analytical fitting based *** comparisons showed the better performance in terms of accuracy and error of fuzzy logic model over fitting‐based *** last,the results were also compared with the Artificial Neural Network(ANN)‐based parameterization model and Adaptive Nero‐Fuzzy Interference System(ANFIS)‐based parameterization *** proposed method had 6%to 8%higher accuracy and about 47%to 54%lower root mean squared error.

关键词： Artificial intelligence Critical current parameterization Relative error RMSE Tape width Tape thickness YBCO

Kinetic simulation of an electronegative plasma with a cut-off distribution and modified Bohm criterion

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Plasma Science and Technology 2020年第4期22卷 33-39页

作者： suresh BASNET Raju KHANAL Central Department of Physics Tribhuvan UniversityKirtipurKathmandu 44613Nepal

A kinetic simulation model has been employed to study the properties of an electronegative magnetized plasma sheath assuming the cut-off distribution of electrons and negative *** fundamental kinetic Bohm condition for the electronegative magnetized plasma has paramount importance for the formation of a stationary plasma sheath near the material *** presence of an oblique magnetic field in an electronegative plasma affects the ion distribution at the plasma injection side and at the *** temperature profile of negative charged particles has a non-uniform distribution,which determines the energy flow towards the wall.

关键词： Bohm condition kinetic simulation plasma–wall interaction electronegative plasma

The portrayal of hearing loss information in online Mandarin videos

在线全文

学校读者我要写书评

暂无评论

Journal of Otology 2023年第3期18卷 152-159页

作者： Chandan H.suresh Kiara Leng Nilesh J.Washnik Satyabrata Parida Department of Communication Disorders California State UniversityLos AngelesUSA Department of Communication Sciences and Disorders Ohio UniversityAthensOHUSA Department of Neurobiology University of PittsburghPittsburghPA15261USA

Background/purpose:With increasing accessibility to the Internet,patients frequently use the Internet for hearing healthcare *** study has examined the information about hearing loss available in the Mandarin language on online video-sharing *** study’s primary purpose is to investigate the content,source,understandability,and actionability of hearing loss information in the Mandarin language’s one hundred most popular online ***:In this project,publicly accessible online videos were *** hundred of the most popular Mandarin-language videos about hearing loss were identified(51 videos on YouTube and 49 on the Bilibili video-sharing platform).They were manually coded for different popularity metrics,sources,and *** video was also rated using the Patient Education Materials Assessment Tool for Audiovisual Materials(PEMAT-AV)to measure the understandability and actionability ***:The video sources were classified as either media(n=36),professional(n=39),or consumer(n=25).The videos covered various topics,including symptoms,consequences,and treatment of hearing ***,videos attained adequate understandability scores(mean=73.6%)but low(mean=43.4%)actionability ***:While existing online content related to hearing loss is quite diverse and largely understandable,those videos provide limited actionable *** healthcare professionals,media,and content creators can help patients better understand their conditions and make educated hearing healthcare decisions by focusing on the actionability information in their online videos.

关键词： Hearing loss YouTube BiliBili Internet health information Social media