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| 1 | Distributed cooperative control of autonomous multi-agent UAV systems using smooth control显示文摘This paper addresses the cooperative control problem of multiple unmanned aerial vehicles(multi-UAV)systems.First,a new distributed consensus algorithm for second-order nonlinear multi-agent systems(MAS)is formulated under the leader-following approach.The algorithm provides smooth input signals to the agents’control channels,which avoids the chattering effect generated by the conventional sliding mode-based control protocols.Second,a new formation control scheme is developed by integrating smooth distributed consensus control protocols into the geometric pattern model to achieve three-dimensional formation tracking.The Lyapunov theory is used to prove the stability and convergence of both distributed consensus and formation controllers.The effectiveness of the proposed algorithms is demonstrated through simulation results. | BELKACEM Kada MUNAWAR Khalid MUHAMMAD Shafique Shaikh | 2020 | Journal of Systems Engineering and Electronics2020,31,6: | 16 |
| 2 | Relationship between serum b2-microglobulin levels and virological breakthrough in HBeAg-negative chronic hepatitis B patients,under long-term treatment schedules including lamivudine显示文摘AIM: Predictive value of serum b2-microglobulin (b2m)levels for virological breakthrough (VB) in HBeAg-negative chronic hepatitis B (CHB) patients under long-term treatment schedules including lamivudine (LAM).METHODS: Serum b2m levels were calculated during treatment in 25 CHB patients under long-term LAM monotherapy (group A) and 12 patients under initial interferon plus LAM treatment followed by LAM monotherapy (group B), using the MEIA technology. We used Cox proportional hazard models in order to investigate the association between serum b2m levels and VB.RESULTS: Seven of 25 patients (28%), 9/25 (36%) and 14/25 (56%) from group A and 0/12, 2/12 (16.6%) and 3/12 (25%) from group B exhibited VB at months 12, 24 and 36 of treatment, respectively. All patients, from both groups, who did not show VB exhibited b2m elevation in mo 3. The duration of b2m elevation was significantly longer in the virological responder's subgroup from group A than the non-responder's one (7.3±2.6 vs 3.8±3.4 mo,P = 0.02). In comparison to group A patients whose b2m levels were increased at 3 mo, patients whose b2m levels were decreased had 4.6 times higher risk of experiencing VB (RR = 4.6, P = 0.024). When baseline variables were simultaneously included in the same Cox model, decreased b2m status was still associated with increased risk of VB (RR = 12.2, P = 0.03).CONCLUSION: In HBeAg-negative CHB patients under either long-term LAM monotherapy or initial combination treatment, serum b2m levels at 3 mo of treatment,compared to baseline ones, might be a predictor of risk for VB. | Ioannis S.Elefsiniotis Antonios Moulakakis Konstantinos D.Pantazis Irene Glynou Ioannis Ketikoglou Elena Vezali Helen Kada Epameinondas Tsianos | 2005 | World Journal of Gastroenterology2005,11,13: | 4 |
| 3 | HBeAg negative serological status and low viral replication levels characterize chronic hepatitis B virus-infected women at reproductive age in Greece: A one-year prospective single center study显示文摘AIM: To evaluate the seroprevalence of hepatitis B surface antigen (HBsAg) in 13 581 women at reproductive age and the hepatitis B e antigen (HBeAg)/anti-HBe status as well as serum hepatitis B virus (HBV)-DNA levels in a subgroup of HBsAg(+) pregnant women at labor in Greece.METHODS: Serological markers were detected using enzyme immunoassays. Serum HBV-DNA was determined by a sensitive quantitative PCR assay. Statistical analysis of data was based on parametric methodology.RESULTS: Overall, 1.156% of women were HBsAg(+)and the majority of them (71.3%) were Albanian. The prevalence of HBsAg was 5.1% in Albanian women, 4.2%in Asian women and 1.14% in women from Eastem European countries. The prevalence of HBsAg in African (0.36%) and Greek women (0.29%) was very low. Only 4.45% of HBsAg (+) women were also HBeAg(+) whereas the vast majority of them were HBeAg(-)/anti-HBe(+). Undetectable levels of viremia (<200 copies/mL) were observed in 32.26% of pregnant women at labor and 29.03% exhibited extremely low levels of viral replication (<400 copies/mL). Only two pregnant women exhibited extremely high serum HBVDNA levels (>10 000 000 copies/mL), whereas 32.26%exhibited HBV-DNA levels between 1 500 and 40 000copies/mL.CONCLUSION: The overall prevalence of HBsAg is relatively low among women at reproductive age in Greece but is higher enough among specific populations. The HBeAg(-)/anti-HBe(+) serological status and the extremely low or even undetectable viral replicative status in the majority of HBsAg(+) women of our study population, suggest that only a small proportion of HBsAg(+) women in Greece exhibit a high risk for vertical transmission of the infection. | Ioannis S. Elefsiniotis Irene Glynou Ioanna Magaziotou Konstantinos D. Pantazis Nikolaos V. Fotos Hero Brokalaki Helen Kada George Saroglou | 2005 | World Journal of Gastroenterology2005,11,31: | 3 |
| 4 | Serological and virological profile of chronic HBV infected women at reproductive age in Greece显示文摘 | Ioannis S. Elefsiniotis Irene Glynou Hero Brokalaki Ioanna Magaziotou Konstantinos D. Pantazis Aikaterini Fotiou George Liosis Helen Kada George Saroglou | 2006 | European Journal of Obstetrics and Gynecology2006,,2: | 2 |
| 5 | Tin dioxide gas sensor-a new approach to order sensing显示文摘 | Nakahar T kada H | 1991 | Chem Sens Technol1991,3,: | 1 |
| 6 | Quick measurement of protein sulfhydryls with Ellman's reagent and with 4,4'-dithiodipyridine显示文摘 | Riener C K Kada G Gruber H | 2002 | Analytical and Bioanalytical Chemistry2002,373,45: | 1 |
| 7 | Aggregation of 3D buildings using a hybrid data approach显示文摘 | Kada M | 2011 | Cartography and Geographic Information Science2011,38,2: | 1 |
| 8 | Anti-VEGF therapy (bevacizumab) for sulfurmustard-induced comeal neovascularization associated withdelayed limbal stem cell deficiency in rabbits显示文摘 | KADAE T AMIR A COHEN L COHEN M SAHAR R GUT-MAN H | 2014 | Curr Eye2014,39,5: | 1 |
| 9 | Magnetic property based characterization of rusl on weathering steels显示文摘 | Mizoguchi T Ishiia Y ()kada T cL al | 2005 | Corrosion Science2005,47,24: | 1 |
| 10 | Histone demethylation by a family of Jmj C domaincontaining proteins显示文摘 | Tsu Kada Y Fang J Erdjument-Bromage H | 2006 | Nature2006,439,7078: | 1 |
| 11 | Recognition force spectroscopy studies of the NTA-His6 bond 显示文摘 | KIENBERGER F KADA G GRUBER H J | 2000 | Single Molecules2000,1,1: | 1 |
| 12 | Hybrid Ensemble-Learning Approach for Renewable Energy Resources Evaluation in Algeria显示文摘In order to achieve a highly accurate estimation of solar energy resource potential,a novel hybrid ensemble-learning approach,hybridizing Advanced Squirrel-Search Optimization Algorithm(ASSOA)and support vector regression,is utilized to estimate the hourly tilted solar irradiation for selected arid regions in Algeria.Long-term measured meteorological data,including mean-air temperature,relative humidity,wind speed,alongside global horizontal irradiation and extra-terrestrial horizontal irradiance,were obtained for the two cities of Tamanrasset-and-Adrar for two years.Five computational algorithms were considered and analyzed for the suitability of estimation.Further two new algorithms,namely Average Ensemble and Ensemble using support vector regression were developed using the hybridization approach.The accuracy of the developed models was analyzed in terms of five statistical error metrics,as well as theWilcoxon rank-sum and ANOVA test.Among the previously selected algorithms,K Neighbors Regressor and support vector regression exhibited good performances.However,the newly proposed ensemble algorithms exhibited even better performance.The proposed model showed relative root mean square errors lower than 1.448%and correlation coefficients higher than 0.999.This was further verified by benchmarking the new ensemble against several popular swarm intelligence algorithms.It is concluded that the proposed algorithms are far superior to the commonly adopted ones. | El-Sayed M.El-Kenawy Abdelhameed Ibrahim Nadjem Bailek Kada Bouchouicha Muhammed A.Hassan Basharat Jamil Nadhir Al-Ansari | 2022 | Computers, Materials & Continua2022,,6: | 1 |
| 13 | Continuous venovenous haemodiafiltration versus intermittent haemodialysis for acute renal failure in patients with multiple-organ dysfunction syndrome: a multicentre randomised trial显示文摘 | Christophe Vinsonneau Christophe Camus Alain Combes Marie Alyette Costa de Beauregard Kada Klouche Thierry Boulain Jean-Louis Pallot Jean-Daniel Chiche Pierre Taupin Paul Landais Jean-Fran?ois Dhainaut | 2006 | The Lancet2006,,9533: | 1 |
| 14 | Phenylalanine ammonia-lyase gene structure, expression, and evolution in Nicotiana显示文摘 | Fukazaw a-A kada T | 1996 | Plant Molecule Biology1996,,30: | 1 |
| 15 | Evolutionary pathway of chromosomes of the capricornis显示文摘 | Soma H Kada H | | 0,,: | 1 |
| 16 | Simultaneous analysis of 21 elements in foodstuffs by ICP-MS after closed-vessel microwave digestion:method validation显示文摘 | Millour S Nol L Kada A | 2011 | J Food Compos Anal2011,24,1: | 1 |
| 17 | Effect of plastic deformation on microstructure and thermoelectric properties of Mg_(2)Sn alloys显示文摘In the present work,the effect of deformation on microstructure and thermoelectric properties of Mg 2 Sn alloys having excess magnesium concentrations is examined.The cast alloys were prepared using radio-frequency(RF)induction melting under an argon atmosphere.These alloys were thermo-mechanically processed via compression at different temperatures to various true strains.At room temperature,the alloys failed at a true strain of∼13%.However,at elevated temperatures,the alloys were observed to be highly plastic.For alloys compressed at 673 K to a true strain of 1,a prominent substructure formed.The subgrain size was∼3-5μm.It is believed that the substructure arose from the action of dynamic recovery.Following deformation,the thermoelectric performance of alloy prepared with 6.7 wt.%excess Mg was improved compared to the as cast condition.This can be ascribed to a reduction in the thermal conductivity due to phonon scattering at grain boundaries. | Rameshkumar Varma Sitarama Kada Matthew Barnett | 2021 | Journal of Magnesium and Alloys2021,9,1: | 1 |
| 18 | Cell-to-cell interaction prevents cell death in cultured neonatal rat ventricular myocytes显示文摘 | Kada K Hojo M | 2000 | Cardiovasc Res2000,48,1: | 1 |
| 19 | Contineous veno-venous hemo,filtration improves hemodynamics in septic shock with acute renal failure without modifying TNF-a and IL-6 plasma concentration显示文摘 | Kada Pierre C Pierre P et a1 | 2002 | J Nephrol2002,15,2: | 1 |
| 20 | CT of acquired abnormalities of the portal venous system显示文摘 | Ito K Higuchi M Kada T | 1997 | RadioGraphics1997,17,4: | 1 |