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| 1 | Robust adaptive fault-tolerant control of a tandem coaxial ducted fan aircraft with actuator saturation显示文摘This paper is concerned with the robust adaptive fault-tolerant control of a tandem coaxial ducted fan aircraft under system uncertainty, mismatched disturbance, and actuator saturation.For the proposed aircraft, comprehensive controllability analysis is performed to evaluate the controllability of each state as well as the margin to reject mismatched disturbance without any knowledge of the controller. Mismatched disturbance attenuation is ensured through a structured Hinfinity controller tuned by a non-smooth optimization algorithm. Embedded with the H-infinity controller, an adaptive control law is proposed in order to mitigate matched system uncertainty and actuator fault. Input saturation is also considered by the modified reference model. Numerical simulation of the novel ducted fan aircraft is provided to illustrate the effectiveness of the proposed method. The simulation results reveal that the proposed adaptive controller achieves better transient response and more robust performance than classic Model Reference Adaptive Control(MRAC) method, even with serious actuator saturation. | Xiaoliang WANG Changle XIANG Homayoun NAJJARAN Bin XU | 2018 | Chinese Journal of Aeronautics2018，31，6： | 14 |
| 2 | Incidence and risk factors of retinopathy of prematurity and utility of the national screening criteria in a tertiary center in Iran显示文摘AIM: To determine the incidence and risk factors of retinopathy of prematurity(ROP) and the sensitivity of current screening criteria in a tertiary eye center in Tehran, Iran. METHODS: In a cross-sectional observational study, neonates weighing ≤2000 grams at birth or born <34 wk gestational age(GA) and all other infants at risk of ROP admitted to the neonatal intensive care unit(NICU) or referred to our ROP clinic were investigated. The incidence of ROP and severe ROP(i.e. patients needing treatment) were determined. The associations between risk factors and the development and severity of ROP were assessed. We also examined the sensitivity of the current national screening guideline in Iran. RESULTS: Among 207 infants, the incidence of ROP and severe ROP was 33.3% and 11.1%, respectively. Mean GA and birth weight(BW) were significantly lower in ROP vs non-ROP infants(29±2 wk vs 33±3 wk, P<0.001;1274±489 g vs 1916±550 g, P<0.001, respectively). Univariate analysis displayed significant association between ROP incidence and GA, BW, NICU admission period, blood transfusion, surfactant usage, sepsis, intraventricular hemorrhage and patent ductus arteriosus(P<0.05 for all). BW [relative risk(RR): 0.857(0.711-0.873), P<0.001], GA [RR: 0.788(0.711-0.873), P<0.001] and blood transfusion [RR: 1.888(0.995-3.583), P=0.052] were independent ROP risk factors. The sensitivity of country-specific screening guidelines was 95.7% and 100% for overall and severe ROP detection, respectively. CONCLUSION: ROP incidence is relatively high in Iran. Identifying ROP risk factors results in more accurate screening and reduces the risk of irreversible vision loss. The ROP screening criteria utilized in Iran are efficient at the present time. | Milad Khorshidifar Homayoun Nikkhah Alireza Ramezani Morteza Entezari NarsisDaftarian Hamid Norouzi Mansoor Shahiari Mitra Radfar Ramin Norinia Saeed Karimi | 2019 | International Journal of Ophthalmology(English edition)2019，12，8： | 6 |
| 3 | Hybrid intelligent water drop bundled wavelet neural network to solve the islanding detection by inverter-based DG显示文摘在这份报纸,被动 neuro 小浪为连接格子的转换基于基于 islanding 察觉技术分布式的产生被开发。神经网络的重量参数被聪明的水落下(IWD ) 优化处于建议问题改进建议技术的能力。建议方法利用并且联合小浪分析和人工的神经网络(ANN ) 检测 islanding。到分发网络的连接分布式的生成器有象增加格子的电容并且提高功率质量那样的许多好处。然而,它产生许多问题。这主要由于在任何产生单位外面,分发网络在那水平被设计的事实。因此,把分布式的发电机集成到存在分发网络不是没有问题的。非故意的 islanding 是遇到的问题之一。分离小浪变换(DWT ) 能够把信号分解成不同频率乐队。它能在从获得的电压信号提取歧视的特征被利用。在有一个大非察觉地区(NDZ ) 的被动计划,担心由于它的降级的力量质量效果在活跃方法上被提起了。建议计划的主要强调是把 NDZ 归结为尽可能近并且到使产量力量质量未改变。从 Matlab/Simulink 的模拟结果证明建议方法有一个小非察觉地区,并且能够在最小的标准时间以内精确地检测 islanding。 | Mehrdad TARAFDAR HAGH Homayoun EBRAHIMIAN Noradin GHADIMI | 2015 | Frontiers in Energy2015，9，1： | 4 |
| 4 | 玻璃体腔组织纤溶酶原激活剂治疗玻璃体黄斑粘连(英文)显示文摘目的:评估仅玻璃体腔注射组织纤溶酶原激活剂(TPA)对玻璃体黄斑牵引以及玻璃体腔注射TPA和贝伐单抗对视网膜血管疾病的改善作用。方法:前瞻性研究。对24例24眼患者进行干预性系统研究。其中5眼玻璃体黄斑牵引综合征(VMT),19眼视网膜血管疾病包括:糖尿病黄斑水肿(DME)眼,糖尿病性玻璃体出血(VH)眼,视网膜中央静脉阻塞(CRVO)和新生血管年龄相关性黄斑变性眼(AMD)。在注射前及注射1mo后分别进行视力,B超和OCT检查。3眼VMT接受玻璃体腔单次注射TPA50μg,2眼接受100μg注射。19例视网膜血管疾病患者接受玻璃体腔组织纤溶酶原激活剂(50μg)和贝伐单抗(1.25 mg)联合治疗。结果:纳入病例中男性10眼视网膜血管疾病和VMT患者平均年龄分别为56.8y和60.4y。纳入病例中男性10眼(41.7%),女性14眼(58.3%)。22眼(91.7%)晶状体眼,2眼(8.3%)人工晶状体眼。VMT和视网膜血管疾病的玻璃体后部脱离(PVD)分别为0(0/5)和57.8%(11/19)(P=0.04)。在改善最佳矫正视力(BCVA)和降低黄斑中心凹厚度(CMT)方面,与无PVD眼相比,有PVD眼改善更多。结论:在VMT患者中,单独玻璃体腔内注射TPA不能成功诱导玻璃体后部完全脱离。玻璃体腔联合注射TPA和贝伐单抗可引起视网膜血管疾病患者玻璃体后部脱离,提高最佳矫正视力以及降低黄斑中心凹厚度。 | Saeed Karimi Masoud Soheilian Homayoun Nikkhah Azadeh Haseli Mofrad | 2018 | 国际眼科杂志2018，18，2： | 3 |
| 5 | Spectral-spatial Classification of Hyperspectral Images Using Signal Subspace Identification and Edge-preserving Filter显示文摘Hyperspectral images in remote sensing include hundreds of spectral bands that provide valuable information for accurately identify objects.In this paper,a new method of classifying hyperspectral images using spectral spatial information has been presented.Here,using the hyperspectral signal subspace identification(HYSIME)method which estimates the signal and noise correlation matrix and selects a subset of eigenvalues for the best representation of the signal subspace in order to minimize the mean square error,subsets from the main sample space have been extracted.After subspace extraction with the help of the HYSIME method,the edge-preserving filtering(EPF),and classification of the hyperspectral subspace using a support vector machine(SVM),results were then merged into the decision-making level using majority rule to create the spectral-spatial classifier.The simulation results showed that the spectral-spatial classifier presented leads to significant improvement in the accuracy and validity of the classification of Indiana,Pavia and Salinas hyperspectral images,such that it can classify these images with 98.79%,98.88% and 97.31% accuracy,respectively. | Negin Alborzi Fereshteh Poorahangaryan Homayoun Beheshti | 2020 | International Journal of Automation and computing2020，17，2： | 3 |
| 6 | A Randomized,Double Blinded,Placebo-Controlled Clinical Trial of Silymarin in Ulcerative Colitis显示文摘Objective:To evaluate the clinical efficacy of silymarin in ulcerative colitis(UC) patients.Methods:A randomized double blinded placebo-controlled clinical trial was conducted in 80 UC patients whose disease had been documented and were in remission state between September 2009 and October 2010.Patients were assigned to silymarin group(42 cases) and placebo group(38 cases) using a random number table.Either silymarin(140 mg) or placebo(lactose mono-hydrate,corn starch magnesium stearate) tablets were given once daily for 6 months along with their standard therapy.The efficacies were assessed by disease activity index(DAI),frequency difference of the disease flare-up,and paraclinical data.Results:Ten patients(4 in the silymarin group due to nausea and 6 in the placebo group due to disease flare-up and abdominal pain)discontinued the study.An improvement in hemoglobin level(11.811.6 g/dL vs.13.4 ±1.2 g/dL,P<0.05)and erythrocyte sedimentation rate(23.7±11.5 mm/h vs.10.8±3.2 mm/h,P<0.05) was observed in the silymarin group but not in the placebo group.DAI significantly decreased in the silymarin group and reached from 11.3 ±3.5 to 10.7 ±2.8(P<0.05).Thirty-five out of 38 patients in the silymarin group were in complete remission with no flare-up after 6 months as compared to 21 out of 32 patients in the placebo group(P=0.5000).Conclusion:Silymarin as a natural supplement may be used in UC patients to maintain remission. | Mansoor Rastegarpanah Reza Malekzadeh Homayoun Vahedi Maryam Mohammadi Elham Elahi Meghedi Chaharmahali Tahereh Safarnavadeh Mohammad Abdollahi | 2015 | Chinese Journal of Integrative Medicine2015，21，12： | 2 |
| 7 | Penbactam for Helicobacter pylori eradication: A randomised comparison of quadruple and triple treatment schedules in an Iranian population显示文摘 | Seyedali Seyedmajidi Dariush Mirsattari Homayoun Zojaji Elahe Zanganeh Mohammadreza Seyyedmajidi Shohreh Almasi Mohammadreza Zali | 2012 | Arab Journal of Gastroenterology2012，，： | 2 |
| 8 | Theory and experiment in Sm- artNav rover navigation显示文摘 | Homayoun Sweaji Barry Werger | 2007 | Auton Robot2007，22，： | 1 |
| 9 | Cesarean Scar Ectopic Pregnancy: Case Series and Review of the Literature显示文摘 | Homayoun Sadeghi Thomas Rutherford Beth Rackow Katherine Campbell Christina Duzyj Marsha Guess Pinar Kodaman Errol Norwitz | 2010 | Amer J Perinatol2010，，02： | 1 |
| 10 | The effect of L-NAME and L-arginine on impairment of memory formation and state-dependent learning induced by morphine in mice显示文摘 | Homayoun H Zarrindast MR | 2003 | Psychopharmacology(Berl)2003，167，3： | 1 |
| 11 | NMDA receptor hypofunction produces opposite effects on prefrontal cortex interneurons and pyramidal neurons显示文摘 | Homayoun H Moghaddam B | 2007 | J Neurosci2007，27，11： | 1 |
| 12 | Tectonic and climatic control of Paleogene sedimentation in the Rhenodanubian Flysch basin ( Eastern Alps,Austria) 显示文摘 | Egger H Homayoun H Schnabel W | 2002 | Sedimentary Geology2002，152，34： | 1 |
| 13 | The effect of periodontal treatment on glycemic control in patients with type 2 diabetes mellitus显示文摘 | James E.Stewart Karen A.Wager Arthur H.Friedlander Homayoun H.Zadeh | 2002 | Journal of Clinical Periodontology2002，，4： | 1 |
| 14 | Real- time collision avoidance for position controlled manipulators 显示文摘 | Homayoun Seraji Fellow IEEE Bruce Bon | 1999 | IEEE Transactions on Robotics and Automation1999，15，4： | 1 |
| 15 | Solubility of gallic acid in methanol, ethanol, water, and ethyl acetate显示文摘 | Daneshfar A Ghaziaskar H S Homayoun N | 2008 | Journal of Chemical & Engineering Data2008，53，3： | 1 |
| 16 | Smoking-related respiratory symptoms in tehran:a cross-sectional study显示文摘 | YUNESIAN M HOMAYOUN VASH J ASGHARI F | 2008 | Arch Iran Med2008，11，5： | 1 |
| 17 | A novel approach for broken-rotor-bar detection in cage induction motors 显示文摘 | Jafar Milimonfared Homayoun Meshgin Kelk Subhasis Nandi | 1999 | IEEE Transactions on Industry Applications1999，35，5： | 1 |
| 18 | NMDAreceptor hypofunction producesopposite effects on prefrontal cortex interneurons and pyramidalneurons 显示文摘 | Homayoun H MoghaddamB | 2007 | J Neurosci2007，27，11： | 1 |
| 19 | NMDA receptor hypofunction pro- duces opposite effects on prefrontal cortex interneurons and pyra-midal neurons显示文摘 | Homayoun H Moghaddam B | 2007 | J Neurosci2007，27，11： | 1 |
| 20 | Fractal scaling and simulation of velocity components and turbulent shear stress in open channel flow显示文摘 | Ali Naghi Ziaei Ali Reza Keshavarzi Emdad Homayoun | 2005 | Chaos Solitons and fractals2005，24，： | 1 |
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