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Grid power quality enhancement using an ANFIS optimized PI controller for DG

Protection and Control of Modern Power Systems 2022年第1期7卷 26-39页

作者： Srishail K.Bilgundi r.sachin H.Pradeepa H.B.Nagesh M.V.Likith Kumar Department of Electrical and Electronics Engineering The National Institute of EngineeringMysuruKarnatakaIndia Department of Electrical and Electronics Engineering Bangalore Institute of TechnologyBangaloreKarnatakaIndia

Grid frequency variation causes phase angle deviation in current with respect to *** is sensed at the phase-locked loop in the *** past studies the effect of grid frequency variation is neglected while designing the controller for power quality *** modern grids are connected to large numbers of non-linear loads and various types of distributed generation(DG),it results in continuous variation in grid *** it is necessary to consider the grid frequency variation for effective power quality ***,tuning of conventional PI controller gains considering frequency variation is very *** it is necessary to develop an adaptive intelligent nonlinear controller to tackle the effects of frequency variation,voltage distortion and non-linear load *** paper presents the importance of considering the effects of the frequency variation,grid voltage distortion and non-linear load,while designing and deploying a controller for power quality *** proposed controller supplies power to local load as well as transferring surplus power to the grid from DG along with the additional ben-efit of improving grid power quality.A DG with an ANFIS optimized PI current controller for power quality enhance-ment is *** method is economical as it requires no additional *** are compared with PI,PI-rC and fuzzy current controllers to validate the effectiveness of the proposed controller.

关键词： Adaptive neuro fuzzy inference system(ANFIS) Fuzzy logic PI controller Distributed generation(DG) Proton exchange membrane fuel cells(PEMFC) Total harmonic distortion(THD)

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Non-static plane symmetric perfect fluid solutions and Killing symmetries in f(r,T)gravity

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Communications in Theoretical Physics 2024年第2期76卷 145-150页

作者： Preeti Dalal Karanjeet Singh sachin Kumar Department of Mathematics and Statistics Central University of PunjabBathinda151401PunjabIndia Department of Mathematics Jaypee University of Information TechnologySolan173234Himachal PradeshIndia

In this paper,the non-static solutions for perfect fluid distribution with plane symmetry in f(r,T)gravitational theory are ***,using the Lie symmetries,symmetry reductions are performed for considered vector fields to reduce the number of independent ***,corresponding to each reduction,exact solutions are *** vectors lead to different conserved ***,we figure out the Killing vector fields corresponding to all derived *** derived solutions are further studied and it is observed that all of the obtained spacetimes,at least admit to the minimal symmetry group which consists of δ_(y),δ_(z) and -zδ_(y)+yδ_(z).The obtained metrics,admit to 3,4,6,and 10,Killing vector *** of linear momentum in the direction of y and z,and angular momentum along the x axis is provided by all derived solutions.

关键词： Einstein field equations perfect fluid solutions f(r T)gravity killing symmetries

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Blockchain-based secure dining:Enhancing safety,transparency,and traceability in food consumption environment

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Blockchain(research and Applications) 2024年第2期5卷 86-98页

作者： sachin Yele ratnesh Litoriya Medi-Caps University Indore 453331India

This research paper seeks to examine the possibilities of blockchain *** use in the field of restaurant food tracking and *** health risks and economic costs are at stake when foodborne illness outbreaks occur,making food safety a top priority in the food *** can be difficult to quickly identify and address possible concerns about using traditional food traceability systems due to inefficiencies,data discrepancies,and a lack of *** this study,we introduce a novel blockchain-based system developed especially for the purpose of tracking restaurant *** decentralised consensus,immutability,and smart contracts are put to use in this system to provide trustworthy and transparent traceable ***-time monitoring and data collection along the food supply chain become possible when the blockchain architecture is combined with the Internet of Things(IoT)devices and rFID *** show that our proposed blockchain-based traceability solution is practical and efficient through a thorough assessment and validation *** outcomes show that the system not only improves data quality and reliability but also drastically decreases the time and resources needed for food *** addition,patrons are more likely to return to eateries that place a premium on food safety when they are given more information about the establishment’s ***,we discuss scalability,data privacy,and interoperability concerns that may arise in future implementations and provide some initial ideas for overcoming these issues.

关键词： Blockchain Smart contracts Cryptography Food chain Traceability

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Germ cell development in teleost gonads

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Aquaculture and Fisheries 2024年第3期9卷 422-436页

作者： Partigya Sharma Shriya Purohit sachin Kothiyal Indrashis Bhattacharya Department of Zoology HNB Garhwal UniversitySrinagar CampusPauri Garhwal246174India

Among vertebrate species,fishes are considered to be the most developmentally diverse taxa exhibiting remarkable gonadal plasticity with capacity of sex *** determination in teleost fishes is governed via a complex regulatory network involving multiple genetic,environmental(temperature,population density,pH),social interaction/stress *** germ-line originates as Primordial germ cells(PGC)from cleavage blastomeres/endoderm and gets specified by maternal inheritance of Vasa,N anos,Tdrds,Dnd,Dazl etc and subsequently migrates to reach the embryonic gonadal ***-hatching,mitotically active germ cells(Gc)continue to proliferate via two distinct pathways-firstly,stem cell-like mode followed by meiosis-committed cystic *** Japanese rice fish medaka,Oryzias latipes sex gets determined on the chromosomal basis,where XY becomes a male because of testicular Dmy transcription and XX develops as female owing to Gc restricted Foxl 3 *** specific germ-line stem cell systems also have been found in adult *** in teleost fishes,the developmental fate of transplanted Gc do not depend on the sex of the donor rather solely relies upon the sex of the ***,sexually mature piscine gonads remain developmentally plastic showing extensive responsiveness towards sex *** critical regulation of gonadal differentiation is directed by female specific 17β-estradiol(E2)and bio-active male androgen 11-keto-testosretone(11-kT).Various transcription factors(TFs)e.g.-Dmrt1,DAX1,Ad4BP/SF-1,Foxl 2 regulate the bio-conversion rate of testosterone(T)to either E2 or ***,multiple endocrine factors(EFs)e.g.-LH,FSH,E2,11-kT and growth factors(GFs)e.g-AMH,GSDF,IGF-1/3,GDF-9/BMP-15 critically induce Gc differentiation to regulate the gametogenic *** this article we have precisely discussed the endocrine regulation of Gc development during gonadal maturation of teleosts.

关键词： Testis Spermatogenesis Sperm Ovary Oogenesis Egg Gonads

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Secure and resilient improved image steganography using hybrid fuzzy neural network with fuzzy logic

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Journal of Safety Science and resilience 2024年第1期5卷 91-101页

作者： sachin Dhawan Hemanta Kumar Bhuyan Subhendu Kumar Pani Vinayakumar ravi rashmi Gupta Arun rana Alanoud Al Mazroa Dorset College King George BlvdSurreyBritish ColumbiaCanada Department of Information Technology Vignan’s Foundation for ScienceTechnology and Research(Deemed to be University)Andhra PradeshIndia Krupajal Computer Academy Biju Patnaik University of Technology(BPUT)Rourkela 751002India Center for Artificial Intelligence Prince Mohammad Bin Fahd UniversityKhobarSaudi Arabia NSUT East Campus(Formerly AIACTRDelhi 110031India(Affiliated to Guru Gobind Singh Inderaprastha University))Dwarka 110078India Department of Computer Science and Engineering Galgotias College of Engineering and Technology Greater Noida 201310Uttar PradeshIndia Department of Information Systems College of Computer and Information SciencesPrincess Nourah bint Abdulrahman University(PNU)P.O.Box 84428Riyadh 11671Saudi Arabia

The exponential growth in communication networks,data technology,advanced libraries,and mainly World Wide Web services has played a pivotal role in facilitating the retrieval of various types of information as ***,this progress has also led to security concerns related to the transmission of confidential ***,safeguarding these data during communication through insecure channels is crucial for obvious *** emergence of steganography offers a robust approach to concealing confidential information,such as images,audio tracks,text files,and video files,in suitable media carriers.A novel technique is envisioned based on back-propagation *** to the proposed method,a hybrid fuzzy neural network(HFNN)is applied to the output obtained from the least significant bit substitution of secret data using pixel value dif-ferences and exploiting the modification *** simulation and test results,it has been observed that the proposed methodology achieves secure steganography and superior visual *** the experiments,we observed that for the secret image of the cameraman,the PSNr&MSE values of the proposed technique are 61.963895 and 0.041361,respectively.

关键词： Image enhancement Image processing Steganography Deep learning Fuzzy neural combination

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Trigonelline mitigates bleomycin-induced idiopathic pulmonary fibrosis in mice

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Asian Pacific Journal of Tropical Biomedicine 2024年第9期14卷 391-400,I0008-I0291页

作者： Swapnil Gavhane Chandrakant Gawli sachin Kumar Biswajit Das Gayatri Marathe Vishal S.Patil Harun M.Patel Basavaraj Bommanahalli Chanakya Nath Kundu Chandragouda r.Patil r.C.Patel Institute of Pharmaceutical Education and research Karwand NakaShirpurMaharashtra 425405India Department of Pharmacology Delhi Pharmaceutical Sciences and Research UniversityNew Delhi 110017India School of Biotechnology Kalinga Institute of Industrial TechnologyBhubaneshwar 751024India Gadag Institute of Medical Sciences GadagKarnataka 582103India

Objective:To evaluate the effect of trigonelline on bleomycin-induced idiopathic pulmonary fibrosis(IPF)and to explore its underlying mechanisms using network ***:IPF was induced in C57BL/6 mice by a single intratracheal instillation of bleomycin(5 mg/kg).Trigonelline was administered at doses of 25,50,and 100 mg/kg/day orally from the 2nd day post-bleomycin induction up to the 14th *** IPF-induced mice,lung coefficient,immune cell infiltration in bronchoalveolar lavage fluid,and oxidative stress were *** alterations in lung tissues were also ***,network pharmacology approach was conducted to reveal molecular interactions of bleomycin and trigonelline with targets of ***:Trigonelline treatment reduced bleomycin-induced oxidative stress and immune cell infiltration,and mitigated physiological changes in the lung tissues of ***,trigonelline alleviated bleomycin-induced histological alterations in lung *** pharmacology analysis showed that bleomycin and trigonelline interacted with IPF targets,such as NFKB1,HDAC2,HIF1A,and ***:The interaction of trigonelline with key IPF targets and its ameliorative effects on lung damage and oxidative stress highlight its potential in treating *** may be considered an antifibrotic agent for further clinical development.

关键词： Trigonelline Idiopathic pulmonary fibrosis Antifibrotic Bleomycin Network pharmacology

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Deep learning models for tuberculosis detection and infected region visualization in chest X-ray images

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Intelligent Medicine 2024年第2期4卷 104-113页

作者： Vinayak Sharma Nillmani sachin Kumar Gupta Kaushal Kumar Shukla School of Electronics and Communication Engineering Shri Mata Vaishno Devi University Jammu and KashmirIndia School of Biomedical Engineering Indian Institute of TechnologyBanaras Hindu UniversityVaranasiIndia Department of Computer Science and Engineering Indian Institute of TechnologyBanaras Hindu UniversityVaranasiIndia

Objective Tuberculosis(TB)is among the most frequent causes of infectious-disease-related *** being treatable by antibiotics,tuberculosis often goes misdiagnosed and untreated,especially in rural and low-resource *** X-rays are frequently used to aid diagnosis;however,this presents additional challenges because of the possibility of abnormal radiological appearance and a lack of radiologists in areas where the infection is most *** deep-learning-based imaging techniques for computer-aided diagnosis has the potential to enable accurate diagnoses and lessen the burden on medical *** the present work,we aimed to develop deep-learning-based segmentation and classification models for accurate and precise detection of tuberculosis in chest X-ray images,with visualization of infection using gradient-weighted class activation mapping(Grad-CAM)*** First,we trained the UNet segmentation model using 704 chest X-ray radiographs taken from the Montgomery County and Shenzhen Hospital ***,we implemented the trained UNet model on 1,400 tuberculosis and control chest X-ray scans to segment the lung *** images were taken from the National Institute of Allergy and Infectious Diseases(NIAID)TB portal program ***,we applied the deep learning Xception model to classify the segmented lung region into tuberculosis and normal *** further investigated the visualization capabilities of the model using Grad-CAM to view tuberculosis abnormalities in chest X-rays and discuss them from radiological *** For segmentation by the UNet model,we achieved accuracy,Jaccard index,Dice coefficient,and area under the curve(AUC)values of 96.35%,90.38%,94.88%,and 0.99,*** classification by the Xception model,we achieved classification accuracy,precision,recall,F1-score,and AUC values of 99.29%,99.30%,99.29%,99.29%,and 0.999,*** Grad-CAM heatmap images from the tuberculos

关键词： Tuberculosis Artificial intelligence Deep learning Segmentation Classification Chest X-ray

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Pyrolysis behaviour and kinetic analysis of waste polylactic acid composite reinforced with reed straw processing residue

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Carbon resources Conversion 2024年第3期7卷 74-83页

作者： Bo Chen Sen Ma sachin Kumar Zhitong Yao Wanqi Feng Jianbo Zhao Xu Zhang Di Cai Hui Cao Ian Watson Systems Power and Energy Research DivisionJames Watts School of EngineeringCollege of Science and EngineeringJames Watt SouthUniversity of GlasgowGlasgow G128QQUnited Kingdom College of Life Science and Technology Beijing University of Chemical TechnologyBeijing 100029PR China College of Energy State Key Laboratory of Physical Chemistry of Solid SurfacesXiamen UniversityXiamen 361102PR China Department of Energy Engineering Centre of Excellence-Green and Efficient Energy Technology(CoE-GEET)Central University of JharkhandRanchi 835205India College of Materials Science and Environmental Engineering Hangzhou Dianzi UniversityHangzhou 310018PR China College of Chemistry and Chemical Engineering Tarim UniversityAlarXinjiang 843300PR China National Energy r&D Center for Biorefinery Beijing University of Chemical TechnologyBeijing 100029PR China

The lignocellulose reinforced composites are commonly used sustainable materials with good mechanical and physical *** to properly dispose and recover the potential value of discarded lignocellulose reinforced composites,the pyrolysis behaviour and kinetics of reed straw processing residual/polylactic acid(rSPr/PLA)composites,a typical 3D printing material,was *** on the TG-FTIr results,the synergistic effects between rSPr and PLA during the pyrolysis process were *** with the FTIr spectra of PLA,the absorption peaks of CO and CO_(2)disappear in the FTIr spectra of rSPr/PLA composite,which indicates rSPr provides additional free radicals for the free radical reaction of PLA,and further promoting the *** apparent activation energy of the rSPr/PLA composite pyrolysis was calculated by two iso-conversional methods including Flynn-Wall-Ozawa(FWO)and Kissinger-Akahira-Sunose(KAS).The average Ea of the rSPr/PLA composite(122.6 kJ mol^(-1)(FWO)and 117.9 kJ mol^(-1)(KAS))was lower than that of solo pyrolysis of rSPr(138.5 kJ mol^(-1)(FWO)and 135.4 kJ mol^(-1)(KAS))and the pure PLA(197.0 kJ mol^(-1)(FWO)and 196.6 kJ mol^(-1)(KAS)).The master plot method results suggested the pyrolysis of rSPr/PLA composite followed the one-dimensional(D1)diffusion *** work provides an environmentally friendly strategy to effective thermo-chemical upgrading of the value of discarded lignocellulose reinforced composite material.

关键词： Biobased composite Pyrolysis conversion Synergy Bio-oil reaction kinetics

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Liver transplantation for hepatocellular carcinoma in India: Are we ready for 2040?

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World Journal of Transplantation 2024年第1期14卷 141-153页

作者： Hirak Pahari Amruth raj Ambreen Sawant Dipak S Ahire raosaheb rathod Chetan rathi Tushar Sankalecha sachin Palnitkar Vikram raut Department of Liver Transplant and HPB Surgery Medicover HospitalsNavi Mumbai 410210MaharashtraIndia Department of Liver Transplant Anaesthesia Medicover HospitalsNavi Mumbai 410210MaharashtraIndia Department of Gastroenterology and Hepatology Medicover HospitalsNavi Mumbai 410210India Department of Gastroenterology and Hepatology Medicover HospitalsNavi Mumbai 410210MaharashtraIndia Department of Gastroenterology and Hepatology Medicover HospitalsAurangabad 431003India Department of Gastroenterology and Hepatology Medicover HospitalsNashik 422009India Department of Gastroenterology and Hepatology Medicover HospitalsPune 411026India

BACKGrOUND Liver transplantation(LT)for hepatocellular carcinoma(HCC)has been widely researched and is well established *** cornerstone of this treatment lies in the various criteria formulated by expert consensus and *** variations among the criteria are staggering,and the short-and long-term outcomes are *** To study the differences in the current practices of LT for HCC at different centers in India and discuss their clinical implications in the *** We conducted a survey of major centers in India that performed LT in December 2022.A total of 23 responses were *** centers were classified as high-and low-volume,and the current trend of care for patients undergoing LT for HCC was *** Of the 23 centers,35%were high volume center(>500 Liver transplants)while 52%were high-volume centers that performed more than 50 transplants/*** 39%of centers had performed>50 LT for HCC while the percent distribution for HCC in LT patients was 5%–15%in approximately 73%of the *** a few,most centers were divided equally between University of California,San Francisco(UCSF)and center-specific criteria when choosing patients with HCC for LT,and most(65%)did not have separate transplant criteria for deceased donor LT and living donor LT(LDLT).Most centers(56%)preferred surgical resection over LT for a Child A cirrhosis patient with a resectable 4 cm HCC ***-emission tomography-computed tomography(CT)was the modality of choice for metastatic workup in the majority of centers(74%).Downstaging was the preferred option for over 90%of the centers and included transarterial chemoembolization,transarterial radioembolization,stereotactic body radiotherapy and atezolizumab/bevacizumab with varied *** alphafetoprotein(AFP)cut-off was used by 74%of centers to decide on transplantation as well as to downstage tumors,even if they met the *** criteria for successful downstaging v

关键词： Hepatocellular carcinoma Liver transplant India Downstaging Survey Milan University of California,San Francisco Portal vein tumor thrombus Expanded criteria

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Impact of vitamin D on COVID-19 and other viral diseases

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World Journal of Virology 2024年第4期13卷 1-6页

作者： Basavraj S Nagoba Ajay M Gavkare Abhijit S rayate Neeta Nanaware sachin Bhavthankar Department of Microbiology Maharashtra Institute of Medical Sciences and ResearchLatur 413531India Department of Physiology Maharashtra Institute of Medical Sciences and ResearchLatur 413531India Department of Surgery Maharashtra Institute of Medical Sciences and ResearchLatur 413531India Department of Physiology Vilasrao Deshmukh Government Medical CollegeLatur 413512MaharashtraIndia Department of Biochemistry MIMSR Medical CollegeLatur 413512India

This editorial aims to elucidate the intricate relationship between vitamin D and viral *** explores the anticipated role of vitamin D as a modulator in the immune response against severe acute respiratory syndrome coronavirus 2(SArS-CoV-2)and other viral *** editorial comments are based on the review article by Engin et *** potential role of vitamin D in modulating immune responses has been highlighted by several studies,suggesting that it may influence both the risk and severity of *** D receptors are present in immunocompetent cells,which indicates that vitamin D can potentially modulate innate and adaptive immune *** context is relevant in the pathophysiology of coronavirus disease 2019(COVID-19),where the immune response to the virus can significantly impact the disease progression and *** immunomodulatory effects of vitamin D can protect against SArSCoV-2 infection by enhancing innate and adaptive immune *** also maintains the integrity of the body's physical barriers and modulates inflammatory responses,thereby preventing entry and replication of the *** studies have suggested that adequate vitamin D levels help alleviate morbidity and mortality associated with ***,vitamin D supplementation has been linked with a lower risk of severe disease and mortality in COVID-19 patients,particularly in those with a deficiency during seasons with less sunlight exposure.

关键词： COVID-19 Immunomodulation Pandemic Severe acute respiratory syndrome coronavirus 2 Vitamin D

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