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Stochastic Distribution Control of Singular Systems: Output PDF Shaping

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自动化学报 2005年第1期31卷 151-160页

作者： h.YUE A.J.A.LEPRAND h.WANG InstituteofAutomation ChineseAcademyofSciencesBeijing100080P.R.China ControlSystemsCentre TheUniversityofManchesterManchesterM601QDUK instituteofAutomation ChineseAcademyofSciencesBeijing100080P.R.China／／ControlSystemsCentreTheUniversityofManchesterManchesterM601QDUK

This paper presents a new algorithm designed to control the shape of the output probability density function (PDF) of singular systems subjected to non-Gaussian input. The aim is to select a control input uk such that the output PDF is made as close as possible to a given *** on the B-spline neural network approximation of the output PDF, the control algorithm is formulated by extending the developed PDF control strategies of non-singular systems to singular systems. It has been shown that under certain conditions the stability of the closed-loop system can be guaranteed. Simulation examples are given to show the effectiveness of the proposed control algorithm.

关键词：随机分布控制单系统 PDF显示输出动态随机系统概率密度函数

Sliding Wear Behavior of a Grey Cast Iron Surface Remelted by TIG

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Journal of Materials Science & Technology 2009年第5期25卷 622-628页

作者： h.Mohamadzadeh h.Saghafian Sh.Kheirandish Department of Metallurgy and Materials Engineering Iran University of Science and TechnologyTehranIran

The sliding wear behavior of a grey cast iron surface remelted by tungsten inert gas （TIG） was studied and compared with the unremelted one in the current work. To evaluate the wear behavior a Pin-on-Disk wear test machine was used. Pins which were prepared from the samples with the remelted layers of different thicknesses of 1.2, 1.8, 2.5 and 3 turn were worn on an AISID3 steel counterface having a hardness of 63hRC under the applied loads of 54, 76 and gg N at a constant sliding velocity of 0.45 m/s. Scanning electron microscopy （SEM） equipped with energy dispersive X-ray analysis （EDS） and X-ray diffraction （XRD） techniques were used to characterize worn surface and subsurface and also wear debris obtained from the wear tests under different test conditions. Results showed that surface remelted grey cast iron have better wear properties for all applied normal loads in comparison with unremelted ones. Microscopic studies on the worn surfaces and subsurfaces of samples revealed that dominant wear mechanism for surface remelted samples was mild oxidative, while it was severe for unremelted samples. Increasing remelted layer thickness and then forming grosser microstructure lead to a decline of wear properties, whereas lower thickness of remelted layer with finer microstructure due to having higher cooling rate through remelting process can withstand better against wear.

关键词： Grey cast Iron Surface remelted Tungsten inert gas (TIG) Wear

A Phase II Study of Erlotinib in Patients with Previously Treated Non-Small Cell Lung Cancer

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Advances in Lung Cancer 2014年第1期3卷 10-20页

作者： Tetsuya Kubota Yoshio Okano mizu Sakai Takashi Yamane Naoki Shiota hiroshi Ohnishi hisanori Machida Nobuo hatakeyama Eiji Takeuchi Tomoyuki Urata Fumitaka Ogushi Akihito Yokoyama Department of hematology and Respiratory Medicine School of Medicine Kochi University Kochi Japan Division of Pulmonary Medicine Kochi Medical Center Kochi Japan Division of Pulmonary Medicine Kochi Red Cross Hospital Kochi Japan Division of Pulmonary Medicine NHO Kochi Hospital Kochi Japan

Background: Erlotinib has been reported to be effective for the treatment of non-small cell lung cancer (NSCLC). To evaluate the efficacy and safety of erlotinib under conditions similar to daily clinical practice, a phase II trial was conducted in Japanese patients with previously treated NSCLC. Methods: The eligibility criteria were stage IIIB/IV NSCLC, a performance status (PS) of 0 - 2, and previous treatment with 1 - 2 non-EGFR-TKI regimens. Patients received erlotinib (150 mg/day) orally until disease progression or intolerable toxicity occurred. The primary endpoint was the objective response rate (ORR). In addition, the disease control rate (DCR), progression-free survival (PFS), overall survival (OS), safety, and EGFR gene mutation status were evaluated. Results: Thirty-eight patients were enrolled, and 37 patients were evaluated. The median age was 69 years (range, 50 - 80 years). Patient characteristics were as follows: 26 were male and 11 were female;12 had a PS of 0, 20 had a PS of 1, and 5 had a PS of 2;and 26 had adenocarcinoma, and 11 had non-adenocarcinoma histology. The ORR and DCR were 21.6% (95% confidence interval [CI], 11.4% - 37.2%) and 54.1% (95% CI, 35.9% - 66.6%), respectively. Twenty-seven patients could be evaluated for EGFR gene status (12, mutated;15, wild-type). The ORR for EGFR-mutated patients was 41.7%, while that for patients with wild-type EGFR was 13.3%. The median PFS was evaluated as 4.4 months (95% CI, 2.2 - 10.7 months). The median OS was 14.9 months (95% CI, 9.2 months - not reached). Common adverse events were tolerable skin toxicities, diarrhea, and stomatitis. In addition, interstitial lung disease occurred in 8.1% of patients. Conclusion: As efficacy and safety were similar to previous studies, erlotinib was found to be effective for Japanese patients with previously treated NSCLC in clinical practice.

关键词： Non-Small Cell Lung Cancer Phase II Study Erlotinib Previously Treated

Temperature and Thermal Stress Distribution for Metal Mold in Squeeze Casting Process

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Journal of Materials Science & Technology 2008年第3期24卷 347-350页

作者： C.h.Lee S.h.Lee Institute of Technology and Science Chung-Ang University

In the squeeze casting process, loaded high pressure （over approximately 200 MPa） and high temperature influence the thermo-mechanical behavior and performance of the used metal mold. Therefore, to safely maintain the metal molds, the thermo-mechanical characteristics （temperature and thermal stress） of metal mold in the squeeze casting must be investigated. In this paper, temperature and thermal stress distribution of steel mold in squeeze casting process were investigated by using a three-dimensional non-steady heat conduction analysis and a three-dimensional thermal elastic-plastic analysis considering temperature-dependent thermophysical and mechanical properties of the steel mold.

关键词： Squeeze casting Steel mold Thermal stress Thermo-Mechanical analysis

Adaptive Functional Projective Lag Synchronization of a hyperchaotic Rossler System

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Chinese Physics Letters 2009年第9期26卷 69-72页

作者： Tae h. Lee Ju h. Park Nonlinear Dynamics Group Department of Electrical Engineering Yeungnam University 214-1 Dae-Dong Kyongsan 712-749 Republic of Korea

We explain the functional projective lag synchronization of a hyperchaotic Rossler system with four unknown parameters, where the output of the master system lags behind the output of the slave system proportionally. Based on Lyapunov stability theory, an active control method and adaptive control law are employed to make the states of two hyperchaotic Rossler systems asymptotically synchronized. Finally, some numerical examples are provided to show the effectiveness of our results.

关键词： No English Keyword

Design of small-area multi-bit antifuse-type 1 kbit OTP memory

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Journal of Central South University 2009年第3期16卷 467-473页

作者：李龙镇 LEE J h KIM T h JIN K h PARK M h hA P B KIM Y h Department of Electronic Engineering Changwon National University Department of Computer Science and Technology Yanbian University

A multi-bit antifuse-type one-time programmable （OTP） memory is designed, which has a smaller area and a shorter programming time compared with the conventional single-bit antifuse-type OTP memory. While the conventional antifuse-type OTP memory can store a bit per cell, a proposed OTP memory can store two consecutive bits per cell through a data compression technique. The 1 kbit OTP memory designed with Magnachip 0.18 μm CMOS （complementary metal-oxide semiconductor） process is 34% smaller than the conventional single-bit antifuse-type OTP memory since the sizes of cell array and row decoder are reduced. And the programming time of the proposed OTP memory is nearly 50% smaller than that of the conventional counterpart since two consecutive bytes can be compressed and programmed into eight OTP cells at once. The layout area is 214 μm× 327 μ,, and the read current is simulated to be 30.4 μA.

关键词： multi-bit OTP programming time antifuse memory data compression

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用禽艾美尔球虫抗原检测牛球虫病血清抗体

国外兽医学（畜禽传染病） 1996年第4期16卷 38-39页

作者： uchi.,J 王贵平

Plasma density measurement and downstream etching of silicon and silicon oxide in Ar/NF3 mixture remote plasma source

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Plasma Science and Technology 2019年第6期21卷 52-57页

作者： h J YEOM D h ChOI Y S LEE J h KIM D J SEONG S J YOU h C LEE Korea Research Institute of Standards and Science(KRISS) Daejeon 34113 Republic of Korea Department of Physics Chungnam National University Daejeon 34134 Republic of Korea

In this study,plasma density measurements were performed near the plume region of the remote plasma source (RPS) in Ar/NF3 gas mixtures using a microwave cutoff *** measured plasma density is in the range of 1010-1011 cm-3 in the discharge conditions with RPS powers of 2-4 kW and gas pressures of 0.87-4 *** plasma density decreased with increasing gas pressures and RPS powers under various Ar/NF3 mixing *** decrease in the plasma density measured at the fixed measurement position (plume region) can be understood by the reduction of the electron energy relaxation length with increases in the gas pressures and mixing ratio of NF3/(Ar/NF3).We also performed downstream etching of silicon and silicon oxide films in this *** etch rate of the silicon films significantly increases while the silicon oxide is slightly etched with the gas pressures and *** was also found that the etch rate strongly depends on the wafer position on the processing chamber electrode,and that the etch selectivity reached 96-131 in the discharge conditions of RF powers (3730-4180 W) and gas pressures (3.6-4 Torr).

关键词： remote plasma source electron density cutoff probe downstream etch

New method for calibration of sun photometers

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Chinese Optics Letters 2009年第9期7卷 760-763页

作者： h.h.Asadov I.G.Chobanzadeh Azerbaijan National Aerospace Agency

A new method for calibration of sun photometers based on Bouguer-Beer law is proposed. The developed basic equation of calibration makes it possible to formulate the derivative methods of calibration on the basis of p... 详细信息

关键词： New method for calibration of sun photometers 双入