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Speech Separation Methodology.for Hearing Aid

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Computer Sy.tems Science & Engineering 2023年第2期44卷 1659-1678页

作者： Joseph Sathiadhas Esra y.sukhi Meenakshi Sundararajan Engineering College ChennaiTamil naduIndia R.M.K.Engineering College KavaraipettaiTamil naduIndia

In the design of hearing aids(HA),the real-time speech-enhancement is *** digital hearing aids should provide high signal-to-noise ratio,gain improvement and should eliminate *** generic hearing aids the perfor-mance towards different frequencies varies and non *** noise can-cellation and speech separation methods drops the voice magnitude under the noise *** performance of the HA for frequency.response is non *** noise suppression methods reduce the required signal strength ***,the performance of uniform sub band analy.is is poor when hearing aid is *** this paper,a speech separation method using Non-negative Matrix Fac-torization(NMF)algorithm is proposed for wavelet *** Proposed non-uniformﬁlter-bank was validated by.parameters like band power,Signal-to-noise ratio(SNR),Mean Square Error(MSE),Signal to Noise and Dis-tortion Ratio(SINAD),Spurious-free dy.amic range(SFDR),error and *** speech recordings before and after separation was evaluated for quality.using objective speech quality.measures International Telecommunication Union-Telecommunication standard ITU-T P.862.

关键词： Speech separation waveletﬁlter independent component analy.is(ICA) non-negative matrix factorization(NMF) fejer-korovkin(FK) signal-to-noise ratio(SNR)

Deep Learning-Based FOPID Controller for Cascaded DC-DC Converters

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Computer Sy.tems Science & Engineering 2023年第8期46卷 1503-1519页

作者： S.Hema y.sukhi Department of EEE Vel Tech Rangarajan Dr.Sagunthala R&D Institute of Science and TechnologyChennai600062India Department of EEE R.M.K.Engineering CollegeKavaraipettaiChennai601206India

Smart grids and their technologies transform the traditional electric grids to assure safe,secure,cost-effective,and reliable power ***-linear phenomena in power sy.tems,such as voltage collapse and oscillatory.phenomena,can be investigated by.chaos ***,renewable energy.resources,such as wind turbines,and solar photovoltaic(PV)array.,have been widely.used for electric power *** design of the controller for the direct Current(DC)converter in a PV sy.tem is performed based on the linearized model at an appropriate operating ***,these operating points are everchanging in a PV sy.tem,and the design of the controller is usually.accomplished based on a low irradiance *** study.designs a fractional-order proportional-integrated-derivative(FOPID)controller using deep learning(DL)with quasi-oppositional Archimedes Optimization algorithm(FOPID-QOAOA)for cascaded DC-DC converters in micro-grid *** presented FOPIDQOAOA model is designed to enhance the overall efficiency.of the cascaded DC-DC boost *** addition,the proposed model develops a FOPID controller using a stacked sparse autoencoder(SSAE)model to regulate the converter output *** tune the hy.er-parameters related to the SSAE model,the QOAOA is derived by.the including of the quasi-oppositional based learning(QOBL)with traditional ***,an objective function with the including of the integral of time multiplied by.squared error(ITSE)is considered in this *** validating the efficiency.of the FOPID-QOAOA method,a sequence of simulations was performed under distinct aspects.A comparative study.on cascaded buck and boost converters is carried out to authenticate the effectiveness and performance of the designed techniques.

关键词： Micro-grid deep learning archimedes optimization algorithm FOPID controller objective function

IC Pattern Based Power Factor Maximization Model for Improved Power Stabilization

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Intelligent Automation & Soft Computing 2023年第4期36卷 401-414页

作者： N.Hariharan y.sukhi N.Kalaiarasi R.M.K.College of Engineering and Technology Thiruvallur601206India R.M.K.Engineering College Thiruvallur601206India

The voltageﬂuctuation in electric circuits has been identiﬁed as key.issue in different electric *** the usage of electricity.growing in rapid way.there exist higherﬂuctuations in powerﬂ*** maintain theﬂow or stabi-lity.of power in any.electric circuit,there are many.circuit models are discussed in ***,they.suffer to maintain the output voltage and not capable of maintaining power *** improve the performance in power stabilization,an efﬁcient IC pattern based power factor maximization model(ICPFMM)in this *** model is focused on improving the power stability.with the use of IC(Inductor and Conductor)towards identify.ng most efﬁcient circuit for the current duty.cy.le according to the input voltage,voltage in capacitor and output voltage *** model with boost converter diverts the incoming voltage through number of conductors and *** triggering speciﬁc inductor,a speciﬁc capacitor gets charged and a particular circuit gets *** model maintains num-ber of IC(Inductor and Conductor)patterns through which the powerﬂow *** to that,the pattern available,the mofset controls the level of power to be regulated through any.*** the pattern,the model computes the Cir-cuits Switching Loss and Circuits Conduction Loss for various ***-ing to the input voltage,the model estimates Circuit Power Stabilization Support(CPSS)according to the voltage available in any.capacitor and input *** the value of CPSS,the model trigger optimal number of circuits to maintain voltage *** this approach,more than one circuit has been triggered to maintain output voltage and to get *** proposed model not only.main-tains power stability.but also reduces the wastage in voltage which is not *** proposed model improves the performance in voltage stability.with less switching loss.

关键词： Soft computing DC-DC converters boost rectiﬁers power stabilization conduction loss switching loss intelligent automation

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希望是一剂良药——请大胆去用吧

英国医学杂志中文版 2018年第10期21卷 553-554页

作者： Rodrigo A Bressan Eduardo Iacoponi Jorge Candido de Assis sukhi S Shergill 任倩(译) Institute of Psy.hiatry Psychology and Neuroscienee King' s College London Brazilian Association of Families Friends and People with Schizophrenia SaoPaulo Institute of Psy.hiatry Psychology and Neuroscience King' s College London 北京大学人民医院内分泌科

只要当过患者，或者当过陪患者看病的家属，每个人都会意识到医患关系的重要性。这种关系的核心是患者需要知道问题在哪里，要得到理解，要看到希望。尽管大家都知道希望是战胜任何疾病的基础，但是在给予希望的过程中，临床医生的作用... 详细信息

只要当过患者，或者当过陪患者看病的家属，每个人都会意识到医患关系的重要性。这种关系的核心是患者需要知道问题在哪里，要得到理解，要看到希望。尽管大家都知道希望是战胜任何疾病的基础，但是在给予希望的过程中，临床医生的作用却依赖于个人的经历和本能，并且被认为仅仅是一种独特的“医学技巧”。然而，实际上，希望是一个很实用的治疗手段，就像其他治疗手段一样，可以进行优化。

关键词：患者医疗卫生行业医疗训练医患关系