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predictive active control of building structures using LQR and artificial intelligence

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Earthquake Engineering and Engineering Vibration 2024年第2期23卷 489-502页

作者： nirmal S.Mehta Vishisht Bhaiya K.A.patel Ehsan Noroozinejad Farsangi Department of Civil Engineering SVNIT SuratGujarat 395007India Urban Transformations Research Centre Western Sydney UniversityNSWAustralia

This study presents a neural network-based model for predicting linear quadratic regulator(LQR)weighting matrices for achieving a target response *** on the expected weighting matrices,the LQR algorithm is used to determine the various responses of the *** responses are determined by numerically analyzing the governing equation of motion using the state-space *** training a neural network,four input parameters are considered:the time history of the ground motion,the percentage reduction in lateral displacement,lateral velocity,and lateral acceleration,Output parameters are LQR weighting *** study the effectiveness of an LQR-based neural network(LQRNN),the actual percentage reduction in the responses obtained from using LQRNN is compared with the target percentage ***,to investigate the efficacy of an active control system using LQRNN,the controlled responses of a system are compared to the corresponding uncontrolled *** trained neural network effectively predicts weighting parameters that can provide a percentage reduction in displacement,velocity,and acceleration close to the target percentage *** on the simulation study,it can be concluded that significant response reductions are observed in the active-controlled system using ***,the LQRNN algorithm can replace conventional LQR control with the use of an active control system.

关键词： active control system linear quadratic regulator artificial neural networks state-space approach response effectiveness factor resilience

Microalgal bioinoculants for sustainable agriculture and their interactions with soil biotic and abiotic components:A review

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pedosphere 2024年第2期34卷 297-314页

作者： Shisy JOSE nirmal RENUKA Sachitra Kumar RATHA Sheena KUMARI Faizal BUX Institute for Water and Wastewater Technology Durban University of TechnologyP.O.Box 1334Durban 4000South Africa Algal Biotechnology Laboratory Department of BotanyCentral University of PunjabBathinda 151401India phycology Laboratory Council of Scientific and Industrial Research-National Botanical Research InstituteLucknowUttar Pradesh 226001India

Modern agricultural practices have posed a detrimental impact on the environment due to their intensive use to meet the food demands of an ever-increasing *** this context,microalgal bioinoculants,specifically cyanobacteria and green microalgae,have emerged as sustainable options for agricultural practices to improve soil organic carbon,nutrient availability,microbial quality,and plant *** overview of current and future perspectives on the use of microalgal bioinoculants in agriculture practices is presented in this review,along with a discussion of their interactions with soil biotic and abiotic factors that affect soil fertility,plant health,and crop *** benefits of microalgal bioinoculants include releasing agronomically important metabolites(exopolymers and phytohormones)as well as solubilizing soil ***,they function as biocontrol agents against soil-borne pathogens and facilitate the establishment of rhizosphere communities of agricultural *** far,very few studies have explored the basic mechanisms by which microalgal bioinoculants interact with soil biotic and abiotic *** recent years,advanced molecular techniques have contributed to a better understanding of these interactions.

关键词： biocontrol agent biofertilizer cyanobacteria microalgae microbial community molecular technique plant growth soil fertility

Recent advances in essential oils and their nanoformulations for poultry feed

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Journal of Animal Science and Biotechnology 2024年第5期15卷 1802-1819页

作者： Fatemeh Movahedi Nilesh nirmal pengyuan Wang Hongping Jin Lisbeth Grondahl Li Li Australian Institute for Bioengineering and Nanotechnology The University of QueenslandBrisbaneQLD 4072Australia Institute of Nutrition Mahidol University999 Phutthamonthon 4 RoadSalayaNakhon Pathom 73170Thailand Oujiang Laboratory Key Laboratory of Alzheimer’s Disease of Zhejiang ProvinceInstitute of AgingWenzhou Medical UniversityWenzhou 325000ZhejiangChina JECHO Biopharmaceuticals Co. Ltd.No.2633Zhongbin AvenueSino‑Singapore Tianjin Eco‑cityBinhai New AreaTianjinChina School of Chemistry and Molecular Biosciences The University of QueenslandBrisbaneQLD 4072Australia

Antibiotics in poultry feed to boost growth performance are becoming increasingly contentious due to concerns over antimicrobial resistance *** oils(EOs),as natural,plant-derived compounds,have demonstrated antimicrobial and antioxidant *** may potentially improve poultry health and growth performance when included in poultry ***,the incorporation of EOs as nutritional additives is hindered by their high volatility,low water solubility,poor intestinal absorption,and sensitivity to environmental ***,nanoencapsulation strategies using nanoformulations have emerged as a potential solution to these challenges,improving the stability and bioavailability of EOs,and enabling targeted delivery in poultry *** review provides an overview of the antioxidant and antibacterial properties of EOs,the current limitations of their applications in poultry feed,and the recent advancements in nano-engineering to overcome these ***,we outline the potential future research direction on EO nanoformulations,emphasizing their promising role in advancing sustainable poultry nutrition.

关键词： Antibacterial activities Antioxidants Essential oils Nanoformulations poultry additives

Revolutionizing palliative care:Electrocautery-enhanced lumenapposing metal stents in endoscopic-ultrasound-guided biliary drainage for malignant obstructions

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World Journal of Gastrointestinal Surgery 2024年第7期16卷 2358-2361页

作者： nirmal Kumar Reddy Onteddu Naga Sai Rasagna Mareddy Sai Swarupa R Vulasala Jayabharath Onteddu Mayur Virarkar Department of Internal Medicine University of Florida College of MedicineJacksonvilleFL 32209United States Department of Diagnostic Radiology University of AlabamaBirminghamAL 35294United States Department of Diagnostic Radiology University of Florida College of MedicineJacksonvilleFL 32209United States Department of public Health Sciences University of FloridaGainesvilleFL 32611United States

patients with malignant biliary obstruction,following endoscopic retrograde cholangiopancreatography(ERCp)failure could be referred for endoscopicultrasound-guided biliary drainage through electrocautery-enhanced(ECE)lumen-apposing metal stent(LAMS)***,the efficacy and safety of ECE-LAMS in this scenario have remained debatable due to minimal scientific *** current confirmed 91.0%clinical success,96.7%technical success,7.3%reintervention rate,and 17.5%adverse events,following the treatment of malignant biliary obstruction with ECE-LAMS ***,ECE-LAMS proved to be a generalizable strategy for managing biliary obstruction for patients who were excluded from ERCp.

关键词： Endoscopic retrograde cholangiopancreatography Electrocautery-enhancedlumen-apposing metal stent Biliary drainage Biliary stent Endoscopic ultrasound

Endoscopic Management of pediatric Cholesteatoma

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Journal of Otology 2020年第1期15卷 17-26页

作者： peter J.Ryan nirmal p.p.tel Department of Otolaryngology and Head and Neck Surgery Royal North Shore HospitalSt LeonardsNSWAustralia Kolling Deafness Research Centre Macquarie University and University of SydneyNSWAustralia

pediatric cholesteatoma occurs in one of two forms:congenital cholesteatoma,developing from embryonic epidermal cell rests or acquired cholesteatoma,associated with a focal defect in the tympanic *** disease has been traditionally managed with the operating microscope,often requiring mastoidectomy for adequate visualization of and access to the middle ear and mastoid ***,advances in endoscopic equipment have enabled otologists to manage most cases of pediatric cholesteatoma via a minimally-invasive,transcanal endoscopic *** review discusses the current literature relating to the etiopathogenesis,assessment and endoscopic management of pediatric *** outcomes of endoscopic treatment,emerging trends and technologies are also reviewed.

关键词： Cholesteatoma pediatric Endoscopic Minimally-invasive Middle ear Mastoid

Recent progress and perspective on batteries made from nuclear waste

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Nuclear Science and Techniques 2023年第3期34卷 1-8页

作者： nirmal Kumar Katiyar Saurav Goel School of Engineering London South Bank UniversityLondonSE10 AAUK University of petroleum and Energy Studies Dehradun248007India

Sustainable energy sources are an immediate need to cope with the imminent issue of climate change the world is facing *** particular,the long-lasting miniatured power sources that can supply energy continually to power handheld gadgets,sensors,electronic devices,unmanned airborne vehicles in space and extreme mining are some of the examples where this is an acute *** is known from basic physics that radioactive materials decay over few years and some nuclear materials have their half-life until thousands of *** past five decades of research have been spent harnessing the decay energy of the radioactive materials to develop batteries that can last until the radioactive reaction ***,an emergent opportunity of industrial symbiosis to make use of nuclear waste by using radioactive waste as raw material to develop bat-teries with long shelf life presents a great opportunity for sustainable energy resource ***,the current canon of research on this topic is *** perspective draws fresh discussions on the topic while highlighting future directions in this wealthy arena of *** abstract A long-lasting miniaturised nuclear battery utilising 14C radioactive isotope as fuel.

关键词： Sustainable energy Nuclear waste battery Nano-diamond

Brazilin from Caesalpinia sappan heartwood and its pharmacological activities:A review

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Asian pacific Journal of Tropical Medicine 2015年第6期8卷 421-430页

作者： Nilesh p nirmal Mithun S Rajput Rangabhatla G.S.V.prasad Mehraj Ahmad Center for Nutrition and Food Sciences Queensland Alliance for Agriculture and Food InnovationUniversity of QueenslandHealth and Food Sciences PrecinctBlock 1039 Kessels RoadCoopers PlainsAcheifield Brisbane QLD 4108Australia Department of Medical Biochemistry.MGM Medical College Biomedical and pharmaceutical Technology Research Group Nano Research for Advanced Materials Institute of Nutrition.Mahidol University 999 Phutthamonthon 4 Rd.SalayaNakhon Pathom-73170Thailand

Caesalpinia sappan L.(CS) is a plant of Leguminosae family,commonly known as Brazil or Sappan *** is distributed in Southeast Asia and its dried heartwood has been used as traditional ingredient of food or beverages and has a wide variety of medicinal *** extraction yield of CS wood was achieved with 95% ethanol for 2 *** constituent's investigation of sappan wood resulled in the isolation of various structural types of phenolic components including one xanihone,one coumarin,three chalcones,two flavones three homoisoflavonoids and ***[(6a S-cis)-7,11b-dihydrobcnz[b]indeno[1.2-d]pyran-3.6a.9.10(6H)- tetroll.a major and active compound found in CS *** of the folkloric uses of brazilin were validated by the scientific studies such as antioxidant,antibacterial,anti-inflammatory,***,vasorelaxant,hepatoproteetive and anti-acne *** heartwood extract is safe and did not produce any acute or subacute toxicity in both male and female *** is the safe natural compound having potential to develop as a medicinal compound with application in food,beverage,cosmetics and pharmaceutical industries to screen its clinical use in modern *** information gained could provide the important and potential approach for pharmaceutical researcher to implicate the knowledge of brazilin in the formulation of new drug and to reveal therapeutic and gaps requiring future research *** studies are needed to evaluate the potential application of brazilin as preservative and coloring agent in food processing industries.

关键词： Brazilin Caesalpinia sappan Extraction Heartwood pharamcological activities

Infrared Spectra of pH3 and NF_(3): An Algebraic Approach

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Chinese physics Letters 2013年第7期30卷 9-12页

作者： Joydeep Choudhury nirmal Kumar Sarkar Ramendu Bhattacharjee Department of physics Assam UniversitySilchar-788011India Department of physics Karimganj CollegeKarimganj-788710India

Molecular spectroscopy is a branch of physics which deals with the interaction of electromagnetic radiation with *** the new theoretical approach,i.e.,Lie algebraic approach,we calculate the infrared spectra of phosphine in the range from 3000 cm^(-1) to 9500 cm^(-1) and nitrogen trifluoride in the range from 900 cm^(-1) to 4500 cm^(-1).The model Hamiltonian constructed seems to describe the p–H and N–F stretching modes accurately with only four numbers of *** present calculation not only predicts the higher overtones but also shows good agreement with the few observed data.

关键词： parameters. Infrared stretching

On Berezin Number Inequalities for Operator Matrices

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Acta Mathematica Sinica,English Series 2021年第6期37卷 873-892页

作者： Satyajit SAHOO Namita DAS nirmal Chandra ROUT p.G.Department of Mathematics Utkal UniversityVaniviharBhubaneswar-751004india Department of Mathematics National Institute of Techrology RaiperRaipur-492010India

In this article,we refine certain earlier existing bounds for Berezin number of operator *** also prove some new Berezin number inequalities for general n×n operator ***,we establish several upper bounds for Berezin number and generalized Euclidean Berezin number for off-diagonal operator ***,some interesting examples are discussed.

关键词： Numerical radius operator matrix Berezin number reproducing kernel