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5th International Conference on Intelligent Robotics and applications, ICIRA 2012

作者： Zhang, Jinsong Zhang, Jianhua School of Mechatronics Engineering and Automation Shanghai University China Key Laboratory of Advanced Display and System Applications of Ministry of Education Shanghai University China

ISBN: (纸本)9783642335143

The fluid dispensing technology has been widely used to deliver all kinds of fluids in electronic industry. This paper first put forward an initial approach based on the direct driving principle to dispense the liquid with a high consistency and precision. According to the direct driving principle, the gasliquid slug flow should be formed as a stable pattern in the micro-channel while the flow rate ratio between the gas and liquid is in an appropriate range. The linkage control strategy had been done to realize the two-phase flow during the dispensing process. The two-phase flow dispensing system had seven subsystems for integration to achieve the multi-functions. The control sub-system is the most important unit applying the industry personal computer to connect and control other sub-systems. It undertakes three main tasks, communication, data processing and feed-back control. As a result, the stream of compressed air injected into the continuous liquid stream controlled by the peristaltic pump, the bubbles and droplets appeared in the micro-channel separately and uniformly. © Springer-Verlag Berlin Heidelberg 2012.

关键词： Two phase flow

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Improved Properties of A-Igzo Tft with Inorganic/Organic Stacked Passivation Layer

SSRN

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SSRN 2022年

作者： Chen, Longlong Peng, Cong Xu, Meng Yang, Shibo Li, Xifeng Key Laboratory of Advanced Display and System Application Ministry of Education Shanghai University Shanghai200072 China

High perfomance a-IGZO TFTs device is fabricated with inorganic / organic stacked layers as passivation layer (PL). The designed bilayer passivation layer structure exhibits extraordinary barrier characteristics to environment humidity. The off-state current of oxide TFTs is reduced for one order (at 10-13), and the negative bias illumination stress (NBIS) of device exhibits an excellent stability after one year of ambient storage which the ΔVth is lower than 0.1 V. The manufacture process of stacked layers is simple and low cost than traditional vacuum process which is promising substitute for SiO2-PL by PECVD. © 2022, The Authors. All rights reserved.

关键词： Passivation

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Synthesis of oriented ZnO nanofibers using electrospun method on si (100) substrate 4

Synthesis of oriented ZnO nanofibers using electrospun metho...

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4th International Conference on Chemical Engineering and advanced Materials, CEAM 2014

作者： Lu, Xiu Zhen Xu, Ming Tao Chang, Yan Yan Peng, Bo Key Laboratory of Advanced Display and System Applications Ministry of Education and SMIT Center School of Mechatronic Engineering and Automation Shanghai University Shanghai China

ISBN: (纸本)9783038352693

ZnO nanofibers on Si (100) were synthesized by electrospun and calcination process. The morphology, structure and optical performance were investigated by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Raman spectroscopy and photoluminescence (PL) spectrum. XRD results indicated ZnO nanofibers on Si (100) wafer calcined at 600 °C had a preferred growth orientation of (002) direction. ZnO nanofibers calcinated at 600 °C had an excellent crystalline structure with the diameters ranging from 70 to 150 nm. Defect states in the ZnO nanofibers were observed, which resulted in the green emission in PL spectrum. © (2014) Trans Tech Publications, Switzerland.

关键词： X ray diffraction

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Synchronization of fractional-order gene regulatory network with delay 36

Synchronization of fractional-order gene regulatory network ...

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第36届中国控制会议

作者： Feng Liu Zhe Zhang Ren Jie Sun Fenglan School of Automation China University of Geosciences Hubei key Laboratory of Advanced Control and Intelligent Automation for Complex Systems Research Center of System Theory & Application Chongqing University of Posts and Telecommunications

ISBN: (纸本)9781538629185

This paper investigates the problem of Synchronous Control of Fractional gene regulatory *** on the Lyapunov stability judgment method,we apply two kinds of control method,adaptive projection control and adaptive sliding mode control,for making system ***,a numerical simulation example is provided to verify the effectiveness and the benefit of the proposed synchronicity criterion.

关键词： Fractional-order synchronization adaptive projection control adaptive sliding mode control

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Self-Tuning Asynchronous Filter for Linear Gaussian system and applications

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IEEE/CAA Journal of Automatica Sinica 2018年第6期5卷 1054-1061页

作者： Wenjun Lv Yu Kang Yunbo Zhao Department of Automation University of Science and Technology of ChinaHefei 230027China State Key Laboratory of Fire Science Department of Automation and Institute of Advanced TechnologyUniversity of Science and Technology of ChinaHefei 230027China Key Laboratory of Technology in GeoSpatial Information Processing and Application System Chinese Academy of SciencesBeijing 100190China College of Information Engineering Zhejiang University of TechnologyHangzhou 310023China

In this paper, optimal filtering problem for a class of linear Gaussian systems is studied. The system states are updated at a fast uniform sampling rate and the measurements are sampled at a slow uniform sampling rate. The updating rate of system states is several times the sampling rate of measurements and the multiple is constant. To solve the problem,we will propose a self-tuning asynchronous filter whose contributions are twofold. First, the optimal filter at the sampling times when the measurements are available is derived in the linear minimum variance sense. Furthermore, considering the variation of noise statistics, a regulator is introduced to adjust the filtering coefficients adaptively. The case studies of wheeled robot navigation system and air quality evaluation system will show the effectiveness and practicability in engineering.

关键词： Air quality evaluation system linear Gaussian system wheeled robot navigation system

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A novel ray-space interpolation method based on hierarchical prediction

A novel ray-space interpolation method based on hierarchical...

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2010 International Conference on Audio, Language and Image Processing, ICALIP 2010

作者： Zhang, Qian Wu, Yanfei An, Ping Zhang, Zhaoyang School of Communication and Information Engineering Shanghai University Shanghai 200072 China Key Laboratory of Advanced Displays and System Application Ministry of Education Shanghai 200072 China

ISBN: (纸本)9781424458653

Ray-Space Interpolation is one of the key technologies in the free viewpoint television system. In this paper, a novel Ray-Space interpolation method based on hierarchical prediction is proposed. Firstly, disparity is estimated and optimized by our proposed bi-direction PDE method, then hierarchical prediction structure is proposed to interpolate the virtual views. Experimental results show that both the performance and the robustness of the proposed algorithm are much higher than the traditional block matching based interpolation (BMI) and the inter-slice correlation based method. ©2010 IEEE.

关键词： Forecasting

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Fast mode decision algorithm for quality scalable HEVC 13th

Fast mode decision algorithm for quality scalable HEVC

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13th International Forum of Digital TV and Wireless Multimedia Communication, IFTC 2016

作者： Kang, Mengmeng Ma, Ran Li, Zefu Hu, Xiangyu An, Ping School of Communication and Information Engineering Shanghai University Shanghai200072 China Key Laboratory of Advanced Displays and System Application Ministry of Education Shanghai200072 China

ISBN: (纸本)9789811042102

In order to adapt networks and various devices, the Joint Collaborative Team on Video Coding (JCTVC) develops scalable HEVC (SHVC), which is an extension of HEVC. It is important to reduce the complexity of SHVC because of its high computational time, which may not be suitable for real-time application scenarios. In this paper, we exploit the correlation between the current CU and nearby CUs to skip some unnecessary mode. Meanwhile, we also use the correlation between base layer and enhancement layer to reduce the coding complexity. Experimental results show that our proposed coding algorithm can reduce the coding complexity by 37.7%, with a slight decrease in PSNR of 0.01 dB in base layer and 0.004 dB in enhancement layer, respectively. In the meantime, the R-D performance of luma and chroma is degraded about 0.7% on average. © Springer Nature Singapore Pte Ltd. 2017.

关键词： Complex networks

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A rectification algorithm for un-calibrated multi-view images based on SIFT features

A rectification algorithm for un-calibrated multi-view image...

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International Conference on Audio, Language and Image Processing

作者： Zhang, Yang An, Ping Wang, He Zhang, Zhaoyang School of Communication and Information Engineering Shanghai University Shanghai China Key Laboratory of Advanced Displays and System Application Ministry of Education Shanghai University Shanghai China

ISBN: (纸本)9781424458653

In this paper, we present an efficient rectification algorithm for un-calibrated multi-view images based on SIFT (Scale-invariant feature transform) feature matching. Un-calibrated rectification is necessary for some specific occasions and we extend generic stereo pair rectification to multi-view camera array with projection shift method. We bring in SIFT algorithm to extract and match features (key points) automatically. Block-division features extraction method is proposed and RANSAC is used to improve precision of rectifying transformation. From the experiments, we find that our method is effective to rectify parallel cameras array. Rectified images have uniform horizontal disparities and the vertical mismatches between adjacent views are eliminated. ©2010 IEEE.

关键词： Cameras

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3D holoscopic images coding scheme based on viewpoint image rendering 13th

3D holoscopic images coding scheme based on viewpoint image ...

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13th International Forum of Digital TV and Wireless Multimedia Communication, IFTC 2016

作者： Yang, Ling An, Ping Liu, Deyang Ma, Ran School of Communication and Information Engineering Shanghai University Shanghai200072 China Key Laboratory of Advanced Displays and System Application Ministry of Education Shanghai200072 China

ISBN: (纸本)9789811042102

3D holoscopic imaging can provide immersive 3D viewing experiences, which is considered to be a promising 3D acquisition and display solution. However, in order to proper storage and delivery such particular type of image, efficient coding schemes are of great importance. Therefore, in this paper, we propose a new coding scheme based on viewpoint image rendering. All the viewpoint images are rendered firstly from the 3D holoscopic contents. The total rendered viewpoint images are then arranged into a video sequence. HEVC inter coding method is utilized to remove the redundancy among the rendered viewpoint images. Experimental results show that the proposed coding scheme can achieve average 2.70 dB quality improvements for holoscopic images compared to HEVC intra standard. © Springer Nature Singapore Pte Ltd. 2017.

关键词： Image coding

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A novel intermediate view synthesis method

A novel intermediate view synthesis method

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Institution of Engineering and Technology International Communication Conference on Wireless Mobile and Computing

作者： Zhang, Qian An, Ping Wang, He Zhang, Zhaoyang Ju, Qin School of Communication and Information Engineering Shanghai University Shanghai China Key Laboratory of Advanced Displays and System Application Ministry of Education Shanghai University Shanghai China

ISBN: (纸本)9781849191388

The intermediate view synthesis from arbitrary view plays an important role in three dimensional television system and multi-video compression. In this paper, we present a new view synthesis method based on a modified support-weights computation in disparity estimation, which utilize the centralized color vector and phase information, then we propose a view synthesis method. The experimental results show that our method improves the quality of the synthesized intermediate image compared with the well-known viewpoint synthesis method.

关键词： Television systems

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